CN103499427B - vacuum plume effect experiment system alcohol/kerosene system - Google Patents
vacuum plume effect experiment system alcohol/kerosene system Download PDFInfo
- Publication number
- CN103499427B CN103499427B CN201310451525.2A CN201310451525A CN103499427B CN 103499427 B CN103499427 B CN 103499427B CN 201310451525 A CN201310451525 A CN 201310451525A CN 103499427 B CN103499427 B CN 103499427B
- Authority
- CN
- China
- Prior art keywords
- alcohol
- valve
- kerosene
- hand valve
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention discloses a kind of Vacuum Plume effect experiment system alcohol/kerosene system, comprise elevated pressure nitrogen gas circuit, commander/displacement gas circuit, low pressure nitrogen gas circuit, alcohol road and kerosene road; When the present invention carries out the test that pressure is higher, flow is larger, directly use air-regulation type decompressor to carry out supercharging to working medium, pressure and the flow response speed of working medium supply are faster; When carrying out the test that pressure is less, flow is lower, use pressure accumulation surge tank to coordinate air-regulation type decompressor to carry out supercharging to working medium, pressure and the flow of working medium supply are more accurate, are particularly suitable for the test of low discharge, tiny flow quantity; Therefore, the pressure regulation spectrum of system is wide, and applicability is strong.Elevated pressure nitrogen gas circuit of the present invention is except providing source of the gas for air-regulation type decompressor, also for system provides metathesis, be nitrogen by the air displacement in pipeline before system filling working medium, avoid the air reaction in working medium and pipeline to cause security incident, simplification system, improves security.
Description
Technical field
The present invention relates to a kind of Vacuum Plume effect experiment system alcohol/kerosene system, belong to fluid pressure control technology field.
Background technology
The penniform high-speed and high-temperature jet flow produced when engine works under vacuum conditions is called plume.Plume can produce aerodynamic effect, Aerodynamic Heating effect, polluting effect, galvanomagnetic effect etc. to spacecraft, and be referred to as plume effect, plume effect can bring impact to the aerial mission of spacecraft.Space carrying test and ground simulation test are comprised to the experimental study of plume effect.Space carrying test figure is true and reliable, but experimentation cost is high, the cycle is long, number of times is few, obtains data volume limited.It is large that injection ground simulation test system builds one-time investment, and single test cost is low, can repeat the test of different operating mode and different conditions, obtains great number tested data.Therefore, ground simulation test becomes the first-selection of plume effect test research.
The Vacuum Plume effect experiment system that work office of national defence section in 2007 project verification, BJ University of Aeronautics & Astronautics invest to build is the ground simulation system that the domestic seat of honour is specifically designed to the research of plume effect test.By using actual engine or compression ratio engine to carry out fire trial in vacuum chamber, measuring Vacuum Plume parameters, carrying out plume effect study.Working medium storage and supply system is as one of important subsystem forming Vacuum Plume pilot system, and effect is for the normal work of engine provides incendiary agent and the oxygenant of required pressure and flow, and realizes the functions such as supercharging, blowing, displacement.Wherein, alcohol, kerosene system are one of critical systems of working medium storage and supply system, mainly for Vacuum Plume effect test provides, pressure is accurate, stability of flow, safe and reliable alcohol or kerosene working medium, pressure regulation spectrum is large, and can remote monitoring line pressure, by-pass valve control opening and closing, ensure security and applicability simultaneously.
Domesticly at present there is no the alcohol/kerosene system being specifically designed to Vacuum Plume effect test, existing engine test alcohol or kerosene system are mainly for the engine test of carrying out in atmospheric environment provides alcohol or kerosene working medium, general is all certain model or task particular design, the pressure that system provides is higher, flow is comparatively large, is not suitable for the low-pressure low flow engine of plume effect test rail control used or contracting ratio; And the feature of Vacuum Plume effect study is multitask, multi-state, the object of research comprises various rail control or compression ratio engine, although pressure absolute value is lower, but range of adjustment is larger, therefore, need design highly versatile, disparity items demand can be met, be applicable to the alcohol of Vacuum Plume effect test/kerosene system.
Summary of the invention
The object of the invention is to solve the problem, proposing a kind of Vacuum Plume effect experiment system alcohol/kerosene system, for Vacuum Plume effect experiment system provides, pressure is accurate, stability of flow, safe and reliable alcohol or kerosene working medium.
A kind of Vacuum Plume effect experiment system alcohol/kerosene system, comprises elevated pressure nitrogen gas circuit, commander/displacement gas circuit, low pressure nitrogen gas circuit, alcohol road and kerosene road;
Elevated pressure nitrogen gas circuit comprises high pressure admission hand valve, blowout-back pressure gauge and pressure transducer thereof and high pressure filter;
High pressure admission hand valve inlet connects high pressure nitrogen source of the gas, and outlet connects high pressure filter; Blowout-back pressure gauge and pressure transducer thereof are connected on the pipeline between high pressure admission hand valve and high pressure filter; High pressure filter outlet connects the entrance of decompressor and commander's air inlet hand valve;
Commander/displacement gas circuit comprises commander's air inlet hand valve, commander's venting hand valve, commander's throttling valve, commander surge tank, commanded pressure table;
Commander's air inlet hand valve outlet port connects the entrance of commander's throttling valve and commander's venting hand valve by threeway; The outlet of commander's throttling valve connects commander's gas air intake opening of commander's surge tank, commanded pressure table P2 and decompressor by four-way; Commander's venting hand valve outlet port connects nitrogen and to release outlet;
Low pressure nitrogen gas circuit comprises decompressor, pressure accumulation air inlet hand valve, pressure accumulation surge tank, low pressure gauge and pressure transducer thereof, low-pressure safety valve, low pressure venting hand valve, alcohol supercharging hand valve, alcohol pressure release hand valve, kerosene supercharging hand valve, kerosene pressure release hand valve;
Decompressor JY exports the entrance being connected pressure accumulation air inlet hand valve, low pressure gauge and pressure transducer thereof, low-pressure safety valve, low pressure venting hand valve, alcohol supercharging hand valve, kerosene supercharging hand valve by 5 threeways respectively; Pressure accumulation air inlet hand valve outlet port connects pressure accumulation surge tank; Alcohol supercharging hand valve outlet port connects the entrance of alcohol pressure release hand valve and alcohol storage tank respectively by threeway; Kerosene supercharging hand valve outlet port connects the entrance of kerosene pressure release hand valve and kerosene storage tank respectively by threeway; The outlet of low-pressure safety valve, low pressure venting hand valve, alcohol pressure release hand valve, kerosene pressure release hand valve connects nitrogen and to release outlet;
Alcohol road comprises alcohol pouring hand valve, alcohol storage tank, alcohol liquid level gauge hand valve, alcohol liquid level gauge, alcohol temperature sensor, the preposition hand valve of alcohol, alcohol pipe filter, alcohol pneumatic valve, alcohol operates solenoid valve, hand valve released by alcohol;
Alcohol pouring hand valve entrance connects alcohol filler, and outlet connects alcohol storage tank; Have a hole bottom alcohol tank sidewall, connect alcohol liquid level gauge hand valve inlet, liquid level gauge hand valve outlet port connects alcohol liquid level gauge; Alcohol storage tank exports the be linked in sequence preposition hand valve of alcohol, alcohol pipe filter, connects alcohol pneumatic valve; Pipeline between alcohol storage tank and the preposition hand valve of alcohol arranges alcohol temperature sensor; Alcohol operation electromagnetic valve entrance attended operation nitrogen inlet, is exported the operation gas entrance being connected alcohol pneumatic valve by two pipes, controls the opening and closing of pneumatic valve respectively; The outlet of alcohol pneumatic valve connects alcohol by threeway and to release hand valve and test bay alcohol road; Alcohol hand valve outlet port of releasing connects alcohol and to release outlet;
Kerosene road comprises kerosene pouring hand valve, hand valve released by kerosene storage tank, kerosene level meter hand valve, kerosene level meter, kerosene temperature sensor, the preposition hand valve of kerosene, kerosene pipe filter, kerosene pneumatic valve, operated with kerosene solenoid valve, kerosene;
Kerosene pouring hand valve entrance connects kerosene filler, and outlet connects kerosene storage tank; Have a hole bottom kerosene tank sidewall, connect kerosene level meter hand valve inlet, liquid level gauge hand valve outlet port connects kerosene level meter; Kerosene storage tank exports the be linked in sequence preposition hand valve of kerosene, kerosene pipe filter, connects kerosene pneumatic valve; Pipeline between kerosene storage tank and the preposition hand valve of kerosene arranges kerosene temperature sensor; Operated with kerosene electromagnetic valve entrance attended operation nitrogen inlet, is exported the operation gas entrance being connected kerosene pneumatic valve by two pipes, controls the opening and closing of pneumatic valve respectively; The pneumatic valve outlet port of kerosene connects kerosene by threeway and to release hand valve and test bay kerosene road; Kerosene hand valve outlet port of releasing connects kerosene and to release outlet.
The invention has the advantages that:
(1) when carrying out pressure is higher, flow is larger test, directly use air-regulation type decompressor to carry out supercharging to working medium, pressure and the flow response speed of working medium supply are faster; When carrying out the test that pressure is less, flow is lower, use pressure accumulation surge tank to coordinate air-regulation type decompressor to carry out supercharging to working medium, pressure and the flow of working medium supply are more accurate, are particularly suitable for the test of low discharge, tiny flow quantity; Therefore, the pressure regulation spectrum of system is wide, and applicability is strong.
(2) elevated pressure nitrogen gas circuit is except providing source of the gas for air-regulation type decompressor, also for system provides metathesis, be nitrogen by the air displacement in pipeline before system filling working medium, avoid the air reaction in working medium and pipeline to cause security incident, simplification system, improves security.
(3) generally can not use two kinds of incendiary agent working medium due to during test simultaneously, therefore a road pressurization air source and two-way working medium are integrated into same system, simplify system further; Except alcohol, kerosene, system also can be that other is nontoxic, non-corrosiveness liquid working substance carries out supercharging, versatility and extendability strong.
(4) use that pneumatic valve replaces solenoid control alcohol, kerosene enters test bay pipeline, avoid during solenoid valve power on/off, producing spark ignition or ignite alcohol, kerosene causes security incident.Use nitrogen to control source of the gas as pneumatic valve, by solenoid control nitrogen break-make, and then control pneumatic valve, system is more safe and reliable.
(5) Operation system setting is used for the pressure transducer of remote monitoring and the solenoid valve of Long-distance Control, realizes the remote monitoring to system, realizes the convenience in use procedure and security.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure, pipeline straight line represents, the oblique line on pipeline represents venting road, to show the difference with air inlet path; Tubing internal diameter capital D N represents, the concrete diameter of the numeral after DN (unit: millimeter).
The component type of the letter representation in figure is (numeral after letter is numbering, for distinguishing):
F-hand stop valve G-filtrator P-tensimeter JL-needle regulator HC-surge tank
JY-air-regulation type decompressor A-safety valve T-temperature sensor CX-propellant tank Y-liquid level gauge
QD-pneumatic stopping valve D-solenoid valve
In figure:
F1-high pressure admission hand valve F2-commands air inlet hand valve F3-low pressure venting hand valve
The preposition hand valve of F4-alcohol supercharging hand valve F5-alcohol pouring hand valve F6-alcohol
The F7-alcohol hand valve F8-pressure accumulation air inlet hand valve F9-that releases commands venting hand valve
F10-alcohol pressure release hand valve F11-alcohol liquid level gauge hand valve F12-kerosene supercharging hand valve
F13-kerosene pressure release hand valve F14-kerosene pouring hand valve F15-kerosene level meter hand valve
F16-kerosene preposition hand valve F17-kerosene is released hand valve A-low-pressure safety valve
G1-high pressure filter G2-alcohol pipe filter G3-kerosene pipe filter
P1-blowout-back pressure gauge P2-commanded pressure table P3-low pressure gauge
JY-decompressor JL-commands throttling valve
HC1-commands surge tank HC2-pressure accumulation surge tank
CX1-alcohol storage tank CX2-kerosene storage tank
Y1-alcohol liquid level gauge Y2-kerosene level meter
T1-alcohol temperature sensor T2-kerosene temperature sensor
D1-alcohol operation solenoid valve D2-operated with kerosene solenoid valve
QD1-alcohol pneumatic valve QD2-kerosene pneumatic valve
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Annexation:
The present invention is a kind of Vacuum Plume effect experiment system alcohol/kerosene system, as shown in Figure 1, comprises elevated pressure nitrogen gas circuit, commander/displacement gas circuit, low pressure nitrogen gas circuit, alcohol road and kerosene road.
Elevated pressure nitrogen gas circuit comprises high pressure admission hand valve F1, blowout-back pressure gauge P1 and pressure transducer thereof and high pressure filter G1.
High pressure admission hand valve F1 entrance connects high pressure nitrogen source of the gas, and outlet connects high pressure filter G1; Blowout-back pressure gauge P1 and pressure transducer thereof are connected on the pipeline between high pressure admission hand valve F1 and high pressure filter G1; High pressure filter G1 exports the entrance connecting decompressor JY and commander's air inlet hand valve F2.
Commander/displacement gas circuit comprises commander's air inlet hand valve F2, commander's venting hand valve F9, commander's throttling valve JL, commander's surge tank HC1, commanded pressure table P2.
Commander's air inlet hand valve F2 outlet connects the entrance of commander throttling valve JL and commander's venting hand valve F9 by threeway; Commander's throttling valve JL outlet connects commander's gas air intake opening of commander's surge tank HC1, commanded pressure table P2 and decompressor JY by four-way; Commander's venting hand valve F9 outlet connects nitrogen and to release outlet.
Low pressure nitrogen gas circuit comprises decompressor JY, pressure accumulation air inlet hand valve F8, pressure accumulation surge tank HC2, low pressure gauge P3 and pressure transducer thereof, low-pressure safety valve A, low pressure venting hand valve F3, alcohol supercharging hand valve F4, alcohol pressure release hand valve F10, kerosene supercharging hand valve F12, kerosene pressure release hand valve F13.
Decompressor JY exports the entrance being connected pressure accumulation air inlet hand valve F8, low pressure gauge P3 and pressure transducer thereof, low-pressure safety valve A, low pressure venting hand valve F3, alcohol supercharging hand valve F4, kerosene supercharging hand valve F12 by 5 threeways respectively; Pressure accumulation air inlet hand valve F8 exports and connects pressure accumulation surge tank HC2; Alcohol supercharging hand valve F4 exports the entrance being connected alcohol pressure release hand valve F10 and alcohol storage tank CX1 by threeway respectively; Kerosene supercharging hand valve F12 exports the entrance being connected kerosene pressure release hand valve F13 and kerosene storage tank CX2 by threeway respectively; The outlet of low-pressure safety valve A, low pressure venting hand valve F3, alcohol pressure release hand valve F10, kerosene pressure release hand valve F13 connects nitrogen and to release outlet.
Alcohol road comprises alcohol pouring hand valve F5, alcohol storage tank CX1, alcohol liquid level gauge hand valve F11, alcohol liquid level gauge Y1, alcohol temperature sensor T1, alcohol preposition hand valve F6, alcohol pipe filter G2, alcohol pneumatic valve QD1, alcohol operates solenoid valve D1, hand valve F7 released by alcohol.
Alcohol pouring hand valve F5 entrance connects alcohol filler, and outlet connects alcohol storage tank CX1; Alcohol storage tank CX1 sidewall bottom has a hole, and connect alcohol liquid level gauge hand valve F11 entrance, alcohol liquid level gauge hand valve F11 exports and connects alcohol liquid level gauge Y1; Alcohol storage tank CX1 exports be linked in sequence alcohol preposition hand valve F6, alcohol pipe filter G2, alcohol pneumatic valve QD1; Pipeline between alcohol storage tank CX1 and alcohol preposition hand valve F6 arranges alcohol temperature sensor T1; Alcohol operation solenoid valve D1 entrance attended operation nitrogen inlet, is exported the operation gas entrance being connected alcohol pneumatic valve QD1 by two pipes, controls the opening and closing of pneumatic valve respectively; Alcohol pneumatic valve QD1 exports and connects alcohol by threeway and to release hand valve F7 and test bay alcohol road; The alcohol hand valve F7 that releases exports and connects alcohol and to release outlet.
Kerosene road comprises kerosene pouring hand valve F14, kerosene storage tank CX2, hand valve F17 released by kerosene level meter hand valve F15, kerosene level meter Y2, kerosene temperature sensor T2, kerosene preposition hand valve F16, kerosene pipe filter G3, kerosene pneumatic valve QD2, operated with kerosene solenoid valve D2, kerosene.
Kerosene pouring hand valve F14 entrance connects kerosene filler, and outlet connects kerosene storage tank CX2; Kerosene storage tank CX2 sidewall bottom has a hole, and connect kerosene level meter hand valve F15 entrance, kerosene level meter hand valve F15 exports and connects kerosene level meter Y2; Kerosene storage tank CX2 exports be linked in sequence kerosene preposition hand valve F16, kerosene pipe filter G3, kerosene pneumatic valve QD2; Pipeline between kerosene storage tank CX2 and kerosene preposition hand valve F16 arranges kerosene temperature sensor T2; Operated with kerosene solenoid valve D2 entrance attended operation nitrogen inlet, is exported the operation gas entrance being connected kerosene pneumatic valve QD2 by two pipes, controls the opening and closing of pneumatic valve respectively; Kerosene pneumatic valve QD2 exports and connects kerosene by threeway and to release hand valve F17 and test bay kerosene road; The kerosene hand valve F17 that releases exports and connects kerosene and to release outlet.
Practical function:
Zhu Qing road, Fen Qing road by air-regulation type decompressor for test bay gas circuit provides the nitrogen of two-way below pressure 6MPa respectively, can backup each other, also can carry out the test needing two-way nitrogen simultaneously, as the test of engine two-shipper, with the use of different sonic nozzles, the nitrogen of different flow can be obtained, be mainly used in the nitrogen supply (NS) of intermediate pressure, intermediate flow.Air-regulation type decompressor, by needle-like throttle valve control gas turnover surge tank regulate the pressure in surge tank, reaches the effect regulating pressure after decompressor.Large volume low-pressure nitrogen storage tank is connected to nitrogen system by joint, can by Fen Qing road or other gas source feed, can store and the low-pressure nitrogen of below 1.2MPa is provided, being mainly used in the nitrogen supply (NS) of micro-satellite cluster of low-pressure, low discharge, ensureing more accurate pressure supply.Therefore, comprise Zhu Qing road, Fen Qing road, the system pressure modification stability on Large Copacity low-pressure nitrogen storage tank road, scope are wide, versatility is comparatively strong, can meet the work requirements of multitask.
Nitrogen system arranges remote pressure monitoring at nitrogen high pressure, main hydrogen low pressure, point hydrogen low pressure, large volume low-pressure nitrogen storage tank, in main hydrogen low pressure, divide hydrogen low pressure that the solenoid valve of Long-distance Control is set, realize the remote monitoring to system, ensure the convenience in use procedure and security.
Due to the character that nitrogen is inflammable and explosive, nitrogen system takes stricter safe precaution measure, the security of safeguards system.Specifically comprise: use high pressure nitrogen but not nitrogen as the adjustment source of the gas of air-regulation type decompressor, high pressure nitrogen has the effect of displacement pipeline nitrogen simultaneously; Use and control nitrogen break-make by the pneumatic valve of solenoid control, and isolation processing is carried out to solenoid valve, prevent from igniting during electromagnetic valve work or igniting nitrogen; The special nitrogen of system is released hand valve, pipeline and outlet, Zhu Qing road, Fen Qing road and large volume low-pressure nitrogen storage tank are designed with safety valve, safety valve outlet is connected to nitrogen and releases pipeline, threshold value setting is carried out according to the maximum pressure value that position allows, when pipeline inner pressure is higher than safety valve secure threshold, safety valve is automatically opened and is carried out pipeline pressure release, and safeguards system is safe and reliable; The low-pressure nitrogen having neither part nor lot in reaction in test bay pipeline is disposed to special outlet of releasing by nitrogen pipeline of releasing, and avoids nitrogen to be directly disposed to vacuum chamber and destroys vacuum tightness, or is disposed to test bay and causes security incident.
Operating process:
Pressure is accurate, the alcohol/kerosene system of stability of flow, safe and reliable alcohol and kerosene working medium for Vacuum Plume effect experiment system provides for the present invention's proposition.
(1) status checking:
Alcohol/kerosene system need ensure that all hand stop valves, needle regulator and solenoid valve are in closed condition before using.Connecting high pressure nitrogen to high pressure nitrogen inlet, connecting low-pressure nitrogen to operating nitrogen inlet.
(2) pipeline displacement:
Before system first time uses or before placement re-uses for a long time, maybe may there is air because existing in pipeline, if directly annotate alcohol or kerosene, may blast, therefore need first with the air in nitrogen displacement pipeline, then carry out the filling of working medium.
Concrete operations are: open high pressure admission hand valve F1, commander's air inlet hand valve F2, pressure accumulation air inlet hand valve F8, alcohol supercharging hand valve F4, alcohol preposition hand valve F6, kerosene supercharging hand valve F12, kerosene preposition hand valve F16 successively, slow circumvolve opens commander's throttling valve JL, observe the registration of low pressure gauge P3, when pressure reaches a low voltage value (general below 0.5MPa), close commander's throttling valve JL; Remote opening alcohol operation solenoid valve D1, operated with kerosene solenoid valve D2 between observing and controlling, to control opening wine essence pneumatic valve QD1 and kerosene pneumatic valve QD2, maintaining nitrogen purge more than 1 minute, is all replaced into nitrogen by air in pipeline; Close alcohol operation solenoid valve D1 and operated with kerosene solenoid valve D2, to control to close alcohol pneumatic valve QD1 and kerosene pneumatic valve QD2, close all hand valves successively according to the backward of hand valve opening sequence.
(3) working medium filling:
When using alcohol road supply alcohol working medium, advanced person serves a round of liquor to the guests the filling of Seiko matter: open alcohol pouring hand valve F5, pressure in wait alcohol storage tank CX1 is (due to pipeline displacement, in storage tank, nitrogen pressure is higher than atmospheric pressure) reduce to atmospheric pressure after, open alcohol liquid level gauge hand valve F11, by alcohol filler, alcohol is injected alcohol storage tank CX1 as early as possible, the liquid level indicated altitude of liquid level gauge Y1 is the liquid level in alcohol storage tank CX1; After filling, close alcohol pouring hand valve F5 and alcohol liquid level gauge hand valve F11.
The filling of kerosene working medium and alcohol annotate class of operation seemingly.
(4) pressure regulation feed flow:
After working medium filling, regulate pressurized nitrogen atmospheric pressure, supercharging is carried out to working medium: open high pressure admission hand valve F1, commander's air inlet hand valve F2, slow circumvolve opens commander's throttling valve JL, observe low pressure gauge P3, when low pressure gauge P3 registration reaches the pressure of demand, close commander's throttling valve JL; When the pressure of low pressure gauge P3 registration higher than demand, close commander's air inlet hand valve F2, open commander's venting hand valve F9, crack low pressure venting hand valve F3, slow circumvolve opens commander's throttling valve JL, when low pressure gauge P3 registration reaches the pressure of demand, close commander's throttling valve JL, low pressure venting hand valve F3, open commander's air inlet hand valve F2.
If carry out the test that pressure is higher, flow is larger, during nitrogen supercharging, do not open pressure accumulation air inlet hand valve F8, can ensure the pressure that working medium is supplied and flow response speed faster; If carry out the test that pressure is less, flow is lower, during nitrogen supercharging, open pressure accumulation air inlet hand valve F8, can ensure the pressure that working medium is supplied and flow more stable.
After pressurized nitrogen atmospheric pressure regulates, the supply operation of working medium is described: open alcohol supercharging hand valve F4, alcohol preposition hand valve F6 for alcohol road, between observing and controlling, Long-distance Control alcohol operation solenoid valve D1 is to open or to close alcohol pneumatic valve QD1, and monitor low pressure gauge P3, realize the break-make to the supply of alcohol working medium.
Supply operation and the alcohol working medium of kerosene working medium are similar.
(5) pressure release drainage
After test, need the pressure release first carrying out nitrogen, then carry out releasing of working medium.
Being operating as of nitrogen pressure release: close high pressure admission hand valve F1, commander's air inlet hand valve F2, open commander's venting hand valve F9, command throttling valve JL, low pressure venting hand valve F3, alcohol pressure release hand valve F10, kerosene pressure release hand valve F13, observe commanded pressure table P2 and low pressure gauge P3, when all Pressure Drops are to below 0.5MPa, close all hand valves and throttling valve; Open commander's air inlet hand valve F2, commander's venting hand valve F9, observe blowout-back pressure gauge P1, when it is down to below 0.5MPa, close all hand valves.
What working medium was released is operating as (for alcohol road): container is positioned over alcohol and releases outlet, open alcohol preposition hand valve F6, hand valve F7 released by alcohol, between observing and controlling, remote opening alcohol operation solenoid valve is with opening wine essence pneumatic valve QD1, after the alcohol waiting in alcohol storage tank CX1 and pipeline all flows out, control alcohol operation solenoid valve to close alcohol pneumatic valve QD1, closedown alcohol preposition hand valve F6 and alcohol are released hand valve F7.
The operation of releasing of kerosene working medium is similar with alcohol working medium.
Claims (2)
1. Vacuum Plume effect experiment system alcohol/kerosene system, comprises elevated pressure nitrogen gas circuit, commander/displacement gas circuit, low pressure nitrogen gas circuit, alcohol road and kerosene road;
Elevated pressure nitrogen gas circuit comprises high pressure admission hand valve (F1), blowout-back pressure gauge (P1) and pressure transducer thereof and high pressure filter (G1);
High pressure admission hand valve (F1) entrance connects high pressure nitrogen source of the gas, and outlet connects high pressure filter (G1); Blowout-back pressure gauge (P1) and pressure transducer thereof are connected on the pipeline between high pressure admission hand valve (F1) and high pressure filter (G1); High pressure filter (G1) outlet connects the entrance of decompressor (JY) and commander's air inlet hand valve (F2);
Commander/displacement gas circuit comprises commander's air inlet hand valve (F2), commander's venting hand valve (F9), commander's throttling valve (JL), commander's surge tank (HC1), commanded pressure table (P2);
Commander's air inlet hand valve (F2) outlet connects the entrance of commander's throttling valve (JL) and commander's venting hand valve (F9) by threeway; Commander's throttling valve (JL) outlet connects commander's gas air intake opening of commanding surge tank (HC1), commanded pressure table (P2) and decompressor (JY) by four-way; Commander's venting hand valve (F9) outlet connects nitrogen and to release outlet;
Low pressure nitrogen gas circuit comprises decompressor (JY), pressure accumulation air inlet hand valve (F8), pressure accumulation surge tank (HC2), low pressure gauge (P3) and pressure transducer thereof, low-pressure safety valve (A), low pressure venting hand valve (F3), alcohol supercharging hand valve (F4), alcohol pressure release hand valve (F10), kerosene supercharging hand valve (F12), kerosene pressure release hand valve (F13);
Decompressor (JY) outlet connects the entrance of pressure accumulation air inlet hand valve (F8), low pressure gauge (P3) and pressure transducer thereof, low-pressure safety valve (A), low pressure venting hand valve (F3), alcohol supercharging hand valve (F4), kerosene supercharging hand valve (F12) respectively by 5 threeways; Pressure accumulation air inlet hand valve (F8) outlet connects pressure accumulation surge tank (HC2); Alcohol supercharging hand valve (F4) outlet connects the entrance of alcohol pressure release hand valve (F10) and alcohol storage tank (CX1) respectively by threeway; Kerosene supercharging hand valve (F12) outlet connects the entrance of kerosene pressure release hand valve (F13) and kerosene storage tank (CX2) respectively by threeway; The outlet of low-pressure safety valve (A), low pressure venting hand valve (F3), alcohol pressure release hand valve (F10), kerosene pressure release hand valve (F13) connects nitrogen and to release outlet;
Alcohol road comprises alcohol pouring hand valve (F5), alcohol storage tank (CX1), alcohol liquid level gauge hand valve (F11), alcohol liquid level gauge (Y1), alcohol temperature sensor (T1), the preposition hand valve (F6) of alcohol, alcohol pipe filter (G2), alcohol pneumatic valve (QD1), alcohol operates solenoid valve (D1), hand valve (F7) released by alcohol;
Alcohol pouring hand valve (F5) entrance connects alcohol filler, and outlet connects alcohol storage tank (CX1); Alcohol storage tank (CX1) sidewall bottom has a hole, and connect alcohol liquid level gauge hand valve (F11) entrance, alcohol liquid level gauge hand valve (F11) outlet connects alcohol liquid level gauge (Y1); Alcohol storage tank (CX1) exports the be linked in sequence preposition hand valve (F6) of alcohol, alcohol pipe filter (G2), alcohol pneumatic valve (QD1); Pipeline between alcohol storage tank (CX1) and the preposition hand valve (F6) of alcohol arranges alcohol temperature sensor (T1); Alcohol operation solenoid valve (D1) entrance attended operation nitrogen inlet, is exported the operation gas entrance being connected alcohol pneumatic valve (QD1) by two pipes, controls the opening and closing of pneumatic valve respectively; Alcohol pneumatic valve (QD1) outlet connects alcohol by threeway and to release hand valve (F7) and test bay alcohol road; Alcohol hand valve (F7) outlet of releasing connects alcohol and to release outlet;
Kerosene road comprises kerosene pouring hand valve (F14), hand valve (F17) released by kerosene storage tank (CX2), kerosene level meter hand valve (F15), kerosene level meter (Y2), kerosene temperature sensor (T2), the preposition hand valve (F16) of kerosene, kerosene pipe filter (G3), kerosene pneumatic valve (QD2), operated with kerosene solenoid valve (D2), kerosene;
Kerosene pouring hand valve (F14) entrance connects kerosene filler, and outlet connects kerosene storage tank (CX2); Kerosene storage tank (CX2) sidewall bottom has a hole, and connect kerosene level meter hand valve (F15) entrance, kerosene level meter hand valve (F15) outlet connects kerosene level meter (Y2); Kerosene storage tank (CX2) exports the be linked in sequence preposition hand valve (F16) of kerosene, kerosene pipe filter (G3), kerosene pneumatic valve (QD2); Pipeline between kerosene storage tank (CX2) and the preposition hand valve (F16) of kerosene arranges kerosene temperature sensor (T2); Operated with kerosene solenoid valve (D2) entrance attended operation nitrogen inlet, is exported the operation gas entrance being connected kerosene pneumatic valve (QD2) by two pipes, controls the opening and closing of pneumatic valve respectively; Kerosene pneumatic valve (QD2) outlet connects kerosene by threeway and to release hand valve (F17) and test bay kerosene road; Kerosene hand valve (F17) outlet of releasing connects kerosene and to release outlet.
2. the method for operating of a kind of Vacuum Plume effect experiment system alcohol/kerosene system according to claim 1, comprises following step:
(1) status checking:
Alcohol/kerosene system need ensure that all hand stop valves, needle regulator and solenoid valve are in closed condition before using; Connecting high pressure nitrogen to high pressure nitrogen inlet, connecting low-pressure nitrogen to operating nitrogen inlet;
(2) pipeline displacement:
Before system first time uses or before placement re-uses for a long time, maybe may there is air because existing in pipeline, if directly annotate alcohol or kerosene, may blast, therefore need first with the air in nitrogen displacement pipeline, then carry out the filling of working medium;
Concrete operations are: open high pressure admission hand valve (F1), commander's air inlet hand valve (F2), pressure accumulation air inlet hand valve (F8), alcohol supercharging hand valve (F4), alcohol preposition hand valve (F6), kerosene supercharging hand valve (F12), the preposition hand valve (F16) of kerosene successively, slow circumvolve opens commander's throttling valve (JL), observe the registration of low pressure gauge (P3), pressure reaches below 0.5MPa, closes commander's throttling valve (JL); Remote opening alcohol operation solenoid valve (D1), operated with kerosene solenoid valve (D2) between observing and controlling, to control opening wine essence pneumatic valve (QD1) and kerosene pneumatic valve (QD2), maintaining nitrogen purge more than 1 minute, is all replaced into nitrogen by air in pipeline; Close alcohol operation solenoid valve (D1) and operated with kerosene solenoid valve (D2), to control to close alcohol pneumatic valve (QD1) and kerosene pneumatic valve (QD2), close all hand valves successively according to the backward of hand valve opening sequence;
(3) working medium filling:
When using alcohol road supply alcohol working medium, advanced person serves a round of liquor to the guests the filling of Seiko matter: open alcohol pouring hand valve (F5), after pressure in wait alcohol storage tank (CX1) reduces to atmospheric pressure, open alcohol liquid level gauge hand valve (F11), by alcohol filler, alcohol is injected alcohol storage tank (CX1), the liquid level indicated altitude of liquid level gauge (Y1) is the liquid level in alcohol storage tank (CX1); After filling, close alcohol pouring hand valve (F5) and alcohol liquid level gauge hand valve (F11);
The filling of kerosene working medium and alcohol are annotated and are operated in like manner;
(4) pressure regulation feed flow:
After working medium filling, regulate pressurized nitrogen atmospheric pressure, supercharging is carried out to working medium: open high pressure admission hand valve (F1), commander's air inlet hand valve (F2), slow circumvolve opens commander's throttling valve (JL), observe low pressure gauge (P3), when low pressure gauge (P3) registration reaches the pressure of demand, close commander's throttling valve (JL); When the pressure of low pressure gauge (P3) registration higher than demand, close commander's air inlet hand valve (F2), open commander's venting hand valve (F9), crack low pressure venting hand valve (F3), slow circumvolve opens commander's throttling valve (JL), when low pressure gauge (P3) registration reaches the pressure of demand, close commander's throttling valve (JL), low pressure venting hand valve (F3), open commander's air inlet hand valve (F2);
Determine whether to open pressure accumulation air inlet hand valve (F8) according to pressure, flow;
After pressurized nitrogen atmospheric pressure regulates, the supply operation of working medium is described: open alcohol supercharging hand valve (F4), the preposition hand valve (F6) of alcohol for alcohol road, between observing and controlling, Long-distance Control alcohol operation solenoid valve (D1) is to open or to close alcohol pneumatic valve (QD1), and monitor low pressure gauge (P3), realize the break-make to the supply of alcohol working medium;
The supply operation of kerosene working medium and alcohol working medium are in like manner;
(5) pressure release drainage
After test, need the pressure release first carrying out nitrogen, then carry out releasing of working medium;
Being operating as of nitrogen pressure release: close high pressure admission hand valve (F1), commander's air inlet hand valve (F2), open commander's venting hand valve (F9), command throttling valve (JL), low pressure venting hand valve (F3), alcohol pressure release hand valve (F10), kerosene pressure release hand valve (F13), observe commanded pressure table (P2) and low pressure gauge (P3), when all Pressure Drops are to below 0.5MPa, close all hand valves and throttling valve; Open commander's air inlet hand valve (F2), commander's venting hand valve (F9), observe blowout-back pressure gauge (P1), when it is down to below 0.5MPa, close all hand valves;
For alcohol road, what working medium was released is operating as: container is positioned over alcohol and releases outlet, open the preposition hand valve (F6) of alcohol, hand valve (F7) released by alcohol, between observing and controlling, remote opening alcohol operation solenoid valve is with opening wine essence pneumatic valve (QD1), wait for alcohol storage tank (CX1) and pipeline in alcohol all flow out after, control alcohol operation solenoid valve to close alcohol pneumatic valve (QD1), the closedown preposition hand valve (F6) of alcohol and alcohol are released hand valve (F7);
Kerosene working medium release operation with alcohol working medium in like manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310451525.2A CN103499427B (en) | 2013-09-27 | 2013-09-27 | vacuum plume effect experiment system alcohol/kerosene system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310451525.2A CN103499427B (en) | 2013-09-27 | 2013-09-27 | vacuum plume effect experiment system alcohol/kerosene system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103499427A CN103499427A (en) | 2014-01-08 |
| CN103499427B true CN103499427B (en) | 2016-04-06 |
Family
ID=49864658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310451525.2A Expired - Fee Related CN103499427B (en) | 2013-09-27 | 2013-09-27 | vacuum plume effect experiment system alcohol/kerosene system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103499427B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318011B (en) * | 2014-10-21 | 2017-08-08 | 北京航空航天大学 | A kind of Vacuum Plume effective matrix method being mutually coupled based on experiment with emulation |
| CN106500992B (en) * | 2016-09-21 | 2018-10-09 | 北京精密机电控制设备研究所 | A kind of drainage engine kerosene servo mechanism ground experiment method |
| CN113018950B (en) * | 2021-03-09 | 2023-01-31 | 沈阳紫微恒检测设备有限公司 | Anhydrous ethanol filtering system device and operation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07218381A (en) * | 1994-02-04 | 1995-08-18 | Ishikawajima Harima Heavy Ind Co Ltd | Apparatus and method for controlling waveform in shock wind-tunnel |
| JPH08226868A (en) * | 1995-02-20 | 1996-09-03 | Ishikawajima Harima Heavy Ind Co Ltd | Constant pressure air source for supersonic wind tunnel |
| CN101526419A (en) * | 2009-04-09 | 2009-09-09 | 杭州杭氧股份有限公司 | Flow characteristics test method and device of a plate-fin heat exchanger fin |
| CN203083802U (en) * | 2012-12-19 | 2013-07-24 | 中国航空工业集团公司沈阳空气动力研究所 | Flow measuring and controlling experiment device practical for aviation/aerospace |
-
2013
- 2013-09-27 CN CN201310451525.2A patent/CN103499427B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07218381A (en) * | 1994-02-04 | 1995-08-18 | Ishikawajima Harima Heavy Ind Co Ltd | Apparatus and method for controlling waveform in shock wind-tunnel |
| JP3224062B2 (en) * | 1994-02-04 | 2001-10-29 | 石川島播磨重工業株式会社 | Shock tunnel waveform control device and waveform control method |
| JPH08226868A (en) * | 1995-02-20 | 1996-09-03 | Ishikawajima Harima Heavy Ind Co Ltd | Constant pressure air source for supersonic wind tunnel |
| CN101526419A (en) * | 2009-04-09 | 2009-09-09 | 杭州杭氧股份有限公司 | Flow characteristics test method and device of a plate-fin heat exchanger fin |
| CN203083802U (en) * | 2012-12-19 | 2013-07-24 | 中国航空工业集团公司沈阳空气动力研究所 | Flow measuring and controlling experiment device practical for aviation/aerospace |
Non-Patent Citations (1)
| Title |
|---|
| 羽流效应地面模拟试验系统关键技术发展;王文龙等;《航空动力学报》;20120430;第27卷(第4期);900-906 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103499427A (en) | 2014-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103411775B (en) | A kind of fuel system for liquid propellant rocket engine test | |
| US8122699B2 (en) | Ecology valve fuel return system operable in fluid isolation during gas turbine engine shut-down | |
| CN104329187B (en) | A kind of rocket system of rocket based combined cycle engine variable working condition | |
| CN103499427B (en) | vacuum plume effect experiment system alcohol/kerosene system | |
| CN103486437B (en) | Oxygen supply system for engine reusing test | |
| CN103499020B (en) | Vacuum Plume effect experiment system hydrogen gas system | |
| US6807801B2 (en) | Rapid shutdown and ecology system | |
| CN109538379B (en) | Device and method for testing thrust chamber of high-thrust liquid rocket engine | |
| CN107850905A (en) | Terminal is controlled to use the high-pressure fluid control system and method for the pressure divergence in equipment | |
| CN103867885B (en) | A kind of liquid methane loading system | |
| CN111810320B (en) | Control and blowing system, liquid rocket engine and rocket | |
| CN203384646U (en) | Low-temperature tester of liquefied natural gas refilling equipment | |
| CN101782463A (en) | Full-flow test bed hydrogen system | |
| CN210422805U (en) | Large-scale solid rocket grain structural integrity test device | |
| US10054045B2 (en) | Multi-engine power plant having an emergency fluid injection system, and an aircraft | |
| CN101603754B (en) | Simple liquid helium external flow systemic transmission method for cryogenic system | |
| CN103499449B (en) | vacuum plume effect experiment system oxygen system | |
| CN102607796B (en) | Large-size dual-heat sink nitrogen blowing system with adjustable temperature and operation method thereof | |
| CN111271193A (en) | Low-temperature liquid rocket propellant pipeline control system and liquid rocket engine | |
| CN102606882A (en) | Double-heat-sink closed liquid nitrogen transporting system and working method thereof | |
| CN209145736U (en) | Blowing adapter for cryogenic liquid engine | |
| CN104843195A (en) | Verifying device and usage method thereof | |
| CN201902264U (en) | Fuel regulation system of heavy combustion engine | |
| CN207336004U (en) | A kind of low temperature valve cryogenic property tests system | |
| CN103807054B (en) | A kind of gas engine supply air line interlock valve mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20190927 |