CN207540930U - Liquid-propellant rocket engine gel viscosity field calibration measuring system - Google Patents
Liquid-propellant rocket engine gel viscosity field calibration measuring system Download PDFInfo
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- CN207540930U CN207540930U CN201721493509.XU CN201721493509U CN207540930U CN 207540930 U CN207540930 U CN 207540930U CN 201721493509 U CN201721493509 U CN 201721493509U CN 207540930 U CN207540930 U CN 207540930U
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- tank body
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Abstract
The utility model is related to liquid-propellant rocket engine gel viscosity field calibration measuring systems, the system is used as the field calibration of liquid propellant rocket engine test vibration viscometer, test measurement, and system is made of the part such as gel media loading device, simulated solution supply container, simulated solution returnable, constant temperature cabin, vibration viscometer and associated pipe attachment.Gel media loading device includes tank body, and tank body is disposed vertically, and the upper end of tank body is equipped with NPT adapters, and NPT adapters are used to install tested vibration viscometer；The lower end of tank body sets tapered reducer, and the big end of taper reducer is connect with tank body, and the small end of taper reducer is provided with entrance welding straight coupling；The side wall of tank body is provided with outlet welding straight coupling close to upper-end part of driving.The utility model can realize in-site measurement and the calibration of liquid-propellant rocket engine, eliminate media physical characteristics, temperature, viscosity and the difference at scene of laboratory measurement, improve the accuracy of liquid-propellant rocket engine gel propellant viscosity measurement.
Description
Technical field
The utility model is related to airspace engine experiments, relate in particular to gel in liquid propellant rocket engine test and promote
Agent viscosity calibration measurement system.
Background technology
Liquid-propellant rocket engine mostly carries out viscosity measurement using viscosimeter.Medium that metrological service's calibration viscosimeter uses with
The media physical characteristics that are used during the test run of testing ground, temperature, viscosity are different, and the use environment of the viscosimeter of verification is especially
Temperature has differences, these factors can influence the accuracy of viscosity measurement, and liquid-propellant rocket engine gel propellant is caused to glue
Spend the technical barrier measured.
Existing engine test gel propellant supply system is often the closed supply system at testing stand scene, root
The adjusting to gel propellant progress supply pressure is needed, while testing ground is with gas according to the difference of gel engine ignition operating mode
The variation of temperature influences the temperature of propellant also larger.
At present, for the calibration of viscosimeter usually by laboratory investment, the viscometer calibration dress that existing laboratory uses
The structure put such as attached drawing 1, the laboratory investment of viscosimeter are primarily present problems with：
1st, the viscometer calibration device that laboratory uses is at ambient temperature and pressure to vibration directly using standard viscosity liquid
Viscosimeter is directly calibrated, and the viscometer calibration for caused by the variation of temperature and pressure causes the viscosity change of viscosity liquid is not known
Degree can not provide accurate data.
2nd, entire calibrating installation does not take good vibration isolation and security measure, vibrating type viscometer itself is micro- shake caused by
Uncertainty of measurement can not also be eliminated well.
Invention content
The technical issues of in order to overcome existing laboratory vibration viscosity meter device precision low, the utility model provide one
Kind liquid-propellant rocket engine gel viscosity field calibration measuring system.
The technical solution of the present invention is as follows：
Liquid-propellant rocket engine gel viscosity field calibration measuring system, is characterized in that：Including gel media plus
It carries and puts 1, simulated solution supply container 2, simulated solution returnable 3, mass flowmenter 6, observation pipeline 5, main recovery pipe 7, returns
Receive runner 8 and constant temperature cabin 4；
Tested vibration viscometer 21 is installed on the gel media loading device 1；
The outlet of the simulated solution supply container 2 is connect with the entrance of gel media loading device 1, and the gel media adds
It carries and puts 1 and be sequentially connected in series with mass flowmenter 6, observation pipeline 5, recycling runner 8, outlet and the simulated solution for recycling runner 8 recycle
The entrance connection of container 3；
The exit of the simulated solution supply container 2 is additionally provided with the first valve 26；
The second valve 30 is additionally provided between the mass flowmenter 6 and observation pipeline 5；
Third valve 28 is additionally provided between the observation pipeline 5 and recycling runner 8；
The inlet of simulated solution returnable 3 is additionally provided with the 4th valve 27；
The outlet of the mass flowmenter 6 by main recovery pipe 7 with recycling runner 8 connect, the main recovery pipe 7 with
The 5th valve 29 is additionally provided between recycling runner 8；
The gel media loading device 1, simulated solution supply container 2, mass flowmenter 6, observation pipeline 5, main recovery tube
Road 7, recycling runner 8, the first valve 26, the second valve 30, third valve 28, the 4th valve 27 and the 5th valve 29 are placed in perseverance
In warm cabin 4.
Further, the measurement of vibrating type viscometer is had an impact to eliminate loading device structure in itself and installation,
The gel media loading device 1 of the utility model includes tank body, and the tank body is disposed vertically, and the upper end of the tank body is equipped with
NPT adapters 22, the NPT adapters 22 are used to install tested vibration viscometer；
The lower end of the tank body sets tapered reducer 19, and the big end of the taper reducer 19 is connect with tank body, institute
The small end for stating taper reducer 19 is provided with inlet attack；
The side wall of the tank body is provided with outlet connection close to upper-end part of driving；
Firm banking 15 is additionally provided on the side wall of the tank body, the firm banking 15 is used to connect with motionless basis.
Further, to avoid influence of the bubble to viscosity, the utility model tank body is provided with row close to the position of upper end
Gas port 17.
Further, the constant situation of environmental condition for simulated solution during real-time testing calibration always, and then be conducive to
Viscosity stability is improved, pressure sensor interface and temperature sensor interface are also set up on the tank body.
Further, since welding feed-through seal is good, pressure-resistant performance is excellent compared with thread connecting joint, for pressure is avoided to become
Change the influence to viscosity, the inlet attack of the utility model welds straight coupling 20 for entrance, and outlet connection is straight for outlet welding
Pass joint 14.
Calibration measurement is carried out using the liquid-propellant rocket engine gel viscosity field calibration measuring system of the utility model
Method is characterized in that：Include the following steps：
1) gel media loading device 1 is installed, before use, being cleaned the inner cylinder of calibration loading device using organic solvent, is made
With nitrogen/air blow drying；
2) it before vibrating type viscometer calibration, is impregnated using organic solvent and cleaning is calibrated viscosimeter, from viscosimeter probe
Root starts to wipe probe upwards, and the probe of vibration viscometer is inserted perpendicularly into calibrating installation, gel media is at and adds
Carry put 1 center；
3) vibrating type viscometer probe is powered in calibration site environment and preheats, and carries out zero-bit adjustment, viscosimeter in air
The electric current of measurement is I0；
4) mode of positive-pressure filling is taken to inject gel simulants in gel media loading device 1, vibrating type viscometer
It is all submerged by gel simulants and carries out high point exhaust；
5) after by free from admixture in transparent glass tube range estimation gel simulants and bubble, gel simulants and probe are measuring
At a temperature of constant temperature；
6) within ± 1 DEG C, the simulated solution in system superintendent road is situated between the gel simulants temperature difference in constant temperature cabin 4 with gel
Simulated solution temperature difference is within ± 1 DEG C in matter loading device 1；
7) when pressure in simulated solution supply container 2 reaches debugging pressure, 2 check valve of simulated solution supply container is opened, is coagulated
Glue simulated solution enters gel media loading device 1 by simulated solution supply container 2, starts the test of viscosity calibration data；
8) after the indicating value of viscosimeter gauge outfit stabilization, calibration measurement data are read；
9) it is standard value η, the electric current I of viscosimeter in-site measurement to take the gel simulants viscosity that laboratory givesc, according to public affairs
Calibration factor A, B of formula conversion viscosimeter:A=- η/(Ic-I0), B=η/(Ic-I0)；
10) in liquid-propellant rocket engine gel viscosity measurement process, the electric current I of viscosity meter is according to calibration test coefficient
A, B, which is obtained, measures viscosity number η:η=A+B*I.
Further, to improve measurement data accuracy, after step 8) the viscosimeter indicating value is stablized, at a constant temperature
Repetition is recorded twice data, takes calibration value of the arithmetic mean of instantaneous value of record data twice as simulated solution, the repetition of test data
Property index should meet ± 2.5%；
The utility model compared with prior art, possessed advantage：
1st, the liquid-propellant rocket engine gel viscosity field calibration measuring system and method for the utility model, can realize liquid
The in-site measurement of body rocket engine and calibration eliminate media physical characteristics, temperature, viscosity and the scene of laboratory measurement
Difference improves the accuracy of liquid-propellant rocket engine gel propellant viscosity measurement.
2nd, the gel media loading device of the utility model changes the structure of existing laboratory investment device, in viscosity
In the raising of measurement accuracy there is significant progress, be embodied in：
2.1st, the NPT taper thread joints of the utility model installation vibration viscometer are fixedly connected with tank body, compared to
The NPT taper thread joints in existing laboratory are supported on by stent above tank body, have good stability；
2.2nd, the tank body of the utility model is fixedly connected with motionless basis, and firm banking can reduce viscosimeter itself water
Square to generate resonance, significantly improve viscosity measurement precision；
2.3rd, the utility model uses NPT taper thread joints, not only acts as the effect of connection installation, and can effectively really
Protect vibrating type viscometer has good leakproofness with tank body screw connection point in higher supply pressure, avoids pressure
Influence for viscosity；
2.4th, the utility model uses taper reducing entrance dosing method, can effectively avoid simulated solution loading procedure in device
Influence of the bubble to viscosity is eliminated in the generation of middle bubble；
2.5th, the straight-through eminence for being arranged on entire tank body of drain outlet welding of the utility model device, is conducive to simulated solution
Fill entire loading device tank body so that the measuring probe of vibrating type viscometer can be completely immersed in simulated solution, and have enough
Depth, it is ensured that the accuracy of measurement.
3rd, the viscosity field calibration measuring system of the utility model is used for simulated solution supply container, supply pipe using constant temperature cabin
The temperature of road inner gel simulated solution is adjusted, and by the exhaust outlet on tank body, to eliminate influence of the bubble to viscosity, is conducive to improve
Viscosity accuracy；
4th, the utility model apparatus structure is simple, easy to operate, and mobility is good.
Description of the drawings
Fig. 1 is use for laboratory viscometer calibration structure drawing of device；
Fig. 2 show liquid propellant rocket engine test gel viscosity field calibration measuring system provided by the utility model
Vertical view；
Fig. 3 show liquid propellant rocket engine test gel viscosity field calibration measuring system provided by the utility model
Front view；
Fig. 4 is the structure chart of the coated by dielectric device of the utility model；
Fig. 5 is gel viscosity field calibration measuring system and engine test system connection diagram.
Wherein reference numeral is：1- gel media loading devices；2- simulated solution supply containers；3- simulated solution returnable；
4- constant temperature cabin；5- observes pipeline；6- mass flowmenters；The main recovery pipes of 7-；8- recycles runner；The supply of 10- gel propellants is held
Device；11- viscosity calibration measurement systems；12- installs gasket；13-NPT group sections；14- outlets welding straight coupling；15- fixes bottom
Seat；16- fixes angle bar frame；17- exhaust outlets；18- temperature sensors；19- taper reducers；20- entrances weld straight coupling；
21- vibrating type viscometers；22-NPT adapters；23- flange seats；24- stents；25- normal viscosities liquid storage tank, the first valves of 26-,
The 4th valves of 27-, 28- thirds valve, the 5th valves of 29-, the second valves of 30-.
Specific embodiment
The technical issues of calibrating installation measurement accuracy is low is measured for current lab viscosity, the utility model proposes right
Vibrating type viscometer 21 carries out measuring system and the method for gel simulants viscosity field calibration to improve measurement accuracy.The system
Calibration system when can be as Vibration Viscosity meter calibrating, after vibration viscometer field calibration, but also as gel propellant
Field measurement apparatus.
As Figure 2-3, the liquid-propellant rocket engine gel viscosity field calibration measuring system of the utility model includes solidifying
Glue medium loading device 1, simulated solution supply container 2, simulated solution returnable 3, mass flowmenter 6, observation pipeline 5, recycling stream
Road 8 and constant temperature cabin 4；Tested vibration viscometer 21 is installed on gel media loading device 1；Simulated solution supply container 2 goes out
Mouth is connect with the entrance of gel media loading device 1, gel media loading device 1 and mass flowmenter 6, observation pipeline 5, recycling
Runner 8 is sequentially connected in series, and the outlet of recycling runner 8 is connect with the entrance of simulated solution returnable；The outlet of simulated solution supply container
Place is additionally provided with the first valve 26；The second valve 30 is additionally provided between mass flowmenter 6 and observation pipeline 5；Observe pipeline 5 with
Third valve 28 is additionally provided between recycling runner 8；The inlet of simulated solution returnable is additionally provided with the 4th valve 27；Quality
The outlet of flowmeter 6 is also connect by main recovery pipe 7 with recycling runner 8, is also set between main recovery pipe 7 and recycling runner 8
It is equipped with the 5th valve 29；Gel media loading device 1, simulated solution supply container 2, mass flowmenter 6, observation pipeline 5, main recycling
Pipeline 7, recycling runner 8, the first valve 26, the second valve 30, third valve 28, the 4th valve 27 and the 5th valve 29 are placed in
In constant temperature cabin 4.
At calibration initial stage, the first valve 26, the second valve 30, third valve 28, the 5th valve 29 are opened, the 4th valve
27 close, and simulated solution passes sequentially through mass flowmenter 6, observation pipeline 5, recycling runner 8 and flow to simulated solution returnable, passes through sight
Carry out in visual analog liquid to have the gentle bubble of free from admixture in test tube road 5.
In viscosity measurement, the first valve 26, the second valve 30, the 4th valve 27 are opened, third valve 28, the 5th valve
Door closes 30, and simulated solution passes sequentially through mass flowmenter 6, main recovery pipe 7, recycling runner 8 and flow to simulated solution returnable.
Temperature of the constant temperature cabin 4 for simulated solution supply container, supply line inner gel simulated solution is adjusted, and keeps calibration process
Constant and temperature the switching of middle simulated solution supply container and associated pipe accessory temperature；Constant temperature cabin 4 uses water cooled compressor
Group is exported as low-temperature receiver, is exported using electric heating tube as heat source, reaches constant temperature by the way that single unit system is placed on setting warm area.
Simulated solution supply container is used in vibration viscometer calibration process in the loading of simulated solution, constant temperature and calibration process
Pressure adjust, the supply of the main gel simulants including in a period of time after pressure stability process；Simulated solution supply container
Outlet and its pressure regulation tube road be both provided with valve, to reduce the influence during gas boosting to calibration measurement.
Simulated solution returnable 3 is used in Vibration Viscosity calibration process the gel propellant of system pipeline in certain time
Recycling.
Pipeline 5 is observed using transparent glass tube, transparent glass tube is for the bubble in mainly monitoring gel simulants fluid
And local void fraction, using the flowing of image reversible-light shooting technology observation transparent pipeline biphase gas and liquid flow, along mounting bracket structure
Bottom, which is laid and passes through clip, to be fixed on mounting bracket.
Mass flowmenter 6, observation pipeline 5, all system valves and related system pipeline are integrated directly or by stent
It is fixed in mobile device plane, mobile installation of the instant gelatine propellant loading device 1 when different station is calibrated.Different works
Position includes the first thrust chamber ground experiment station of single, double resistance and the high mould experiment station of the first thrust chamber of single, double resistance.
In 21 calibration process of vibrating type viscometer, need whithin a period of time accurately to survey gel simulants viscosity
Amount, and the technological difficulties of calibration measurement process are temperature, pressure, viscosimeter mounting process and the subsidiary pipeline of gel simulants
The influence of the factors to viscosity measurement precision such as exhaust.The calibration measurement system of the utility model takes into account problem above,
To be illustrated below in conjunction with the accompanying drawings to the utility model.
As shown in figure 4, the liquid-propellant rocket engine gel viscosity field calibration loading device 1 of the utility model is viscous by vibrating
Degree meter 21, installation gasket 12, NPT group sections 13, entrance welding straight coupling 20, outlet welding straight coupling 14, taper reducing
The compositions such as section 19, firm banking 15, sensor connector, tank body；Viscosimeter installing port uses 1.5 〞 NPT taper thread joints, dress
The distance between internal face and viscosimeter probe are put not less than 20mm, the setting row in place of coagulant liquid coated by dielectric device 1
Gas port 17, loading device lateral surface setting installation technique for fixing stent.
NPT group sections 13 are connected, are fixed for vibration viscometer and tank body, using 1.5 〞 NPT taper thread joints, are used
7805 stop-leak compounds/F4 bands sealing；13 outside of NPT group sections is the hex nut surveyed under hex nut, with viscosimeter gauge outfit
It is corresponding；Entrance welding straight coupling 20 connect for the utility model with simulated solution supply container, and gel simulants are welded from entrance
It connects straight coupling 20 and enters gel media loading device 1, material selection 1Cr18Ni9Ti, welded using 10FY5785-89 straight-through
Connector, entrance are arranged on the bottom of tank body, and outlet is arranged on the eminence of tank body and direction is horizontal；Outlet welding straight coupling 14
It connect with mass flowmenter 6 for the utility model, material selection 1Cr18Ni9Ti, is connect using 10FY5785-89 welding is straight-through
Head；The installation tank body section DN104mm of viscosimeter is transformed to the DN10mm of system pipeline, material selection by taper reducer 19
1Cr18Ni9Ti；Firm banking 15 passes through the bolt of 4 M8 on tank base welding support and the motionless basis of pilot system
Connection, the resonance that the vibration during reducing due to viscosity meter generates.
Tank body provides the dischargeable capacity between viscosimeter and calibrating installation, and main part uses and is processed and formed at one time tubing,
Material selection 1Cr18Ni9Ti；Tank body size：φ 94mm (D) × 104mm (L) are mainly used for installation, fixation measuring viscosimeter,
Boosting capability is not less than 6.5MPa (gauge pressure), and the distance between inner tank wall face and viscosimeter probe are not less than 20mm.
Sensor connector is used for the peace of temperature sensor 18, pressure sensor on 1 tank body of coagulant liquid coated by dielectric device
Dress monitors temperature, the pressure data of simulated solution.
Vibration viscometer selects reverse microemulsion oscillation damping formula principle, viscosity meter range：0~25,000cP.g/cm3,
Size：φ 32mm (D) × 127mm (L), for measuring the gel/simulation fluid viscosity for flowing into gel media loading device 1.
Install gasket 12 for vibration viscometer and fixation, sealing, using material selection 1Cr18Ni9Ti.
Gel media loading device 1 can effectively reduce the constant temperature of gel simulants, viscosimeter mounting process and subsidiary pipeline
The influence to viscosity measurement such as exhaust, improve oscillatory type viscosity measurement precision.
Preparation before the progress viscosity test of gel media loading device 1 includes the following steps：
1) degreasing purified treatment is carried out before gel media loading device 1 is processed before weldering, weld bond is thoroughly cleaned before welding,
Surfaces externally and internally removes all dirts, grease at weld bond 30mm；
2) it is cleaned for being difficult to be entered with infusion method the use scouring method of slot purified treatment；
3) all exposed interfaces effectively block during after 1 pickling of gel media loading device, sealing up for safekeeping；
The side of viscosity calibration measurement is carried out using the measuring system of the gel simulants viscosity field calibration of the utility model
Method includes the following steps：
1) gel media loading device 1 is installed, cleans calibration gel media loading device 1 using organic solvent using preceding
Inner cylinder using nitrogen/air blow drying, prevents the fifth wheel in loading device from being had an impact to viscosity measurement；
2) it is impregnated before vibrating type viscometer 21 is calibrated using organic solvent and cleaning is calibrated viscosimeter, from viscosimeter probe
Root starts to wipe probe upwards, prevents detecting head surface attachment from being had an impact to viscosity measurement；Never to probe case, needle body
Mechanical damage is caused, the probe of vibration viscometer is inserted perpendicularly into calibrating installation, is at gel media loading device 1
Otherwise center can not ensure the stabilization of viscosimeter vibration frequency；
3) 21 probe of vibrating type viscometer is powered in calibration site environment and preheats, and carries out zero-bit adjustment, viscosity in air
Count the electric current I measured0；
4) mode of positive-pressure filling is taken to inject gel simulants in gel media loading device 1, vibrating type viscometer
21 are all submerged by gel simulants and carry out high point exhaust；
5) after by free from admixture in transparent glass tube range estimation sample simulated solution and bubble, gel simulants and probe are measuring
At a temperature of constant temperature；
6) within ± 1 DEG C, the simulated solution in system superintendent road adds the gel simulants temperature difference in constant temperature cabin 4 with constant temperature
The simulated solution temperature difference of load is within ± 1 DEG C；
7) when pressure in simulated solution supply container reaches debugging pressure, 2 check valve of simulated solution supply container, gel are opened
Simulated solution enters gel media loading device 1 by simulated solution supply container, starts the test of viscosity calibration data；
8) after the indicating value of viscosimeter gauge outfit stabilization, calibration test data are read；
9) it after viscosimeter indicating value is stablized, repeats to be recorded twice data at a constant temperature, takes the arithmetic for recording data twice
Calibration value of the average value as simulated solution, the repeatability index of test data should meet ± 2.5%；
10) it is standard value η, the electric current I of viscosimeter on-the-spot test to take the gel simulants viscosity that laboratory givesc, according to
Calibration factor A, B of formula scales viscosimeter:A=- η/(Ic-I0), B=η/(Ic-I0)；
11) in liquid-propellant rocket engine gel propellant viscosity measuring process, the electric current I of viscosity meter is surveyed according to calibration
It tries coefficient A, B and obtains measurement viscosity number η:η=A+B*I.
As shown in figure 5, after the completion of vibrating type viscometer calibration, it can be by the gel media loading device 1 of the utility model
Entrance connect with engine gel propellant supply container 10, by observe pipeline 5 outlet connect with engine.Gel promotes
Agent is sent into engine, vibrating type viscometer on-line measurement through gel media loading device, mass flowmenter 6, observation pipeline 5 successively
The viscosity of engine gel propellant.Device for measuring viscosity 11 realizes accurate data acquisition using LXI buses, main to measure simultaneously
The viscosity data of vibrating type viscometer 21 during record calibration test, while record the multiple pressures being distributed in measuring system
Power, temperature, flow, density data；Viscosity measuring system records the data of acquisition, these initial data are carried out physics
Amount conversion, linear calculating etc., and store in a binary format.
Claims (5)
1. liquid-propellant rocket engine gel viscosity field calibration measuring system, it is characterised in that：Including gel media loading device
(1), simulated solution supply container (2), simulated solution returnable (3), mass flowmenter (6), observation pipeline (5), main recovery pipe
(7), recycling runner (8) and constant temperature cabin (4)；
Tested vibration viscometer (21) is installed on the gel media loading device (1)；
The outlet of the simulated solution supply container (2) is connect with the entrance of gel media loading device (1), and the gel media adds
Carry and put (1) and mass flowmenter (6), observation pipeline (5), recycling runner (8) are sequentially connected in series, the outlet of recycling runner (8) with
The entrance connection of simulated solution returnable (3)；
The exit of the simulated solution supply container (2) is additionally provided with the first valve (26)；
The second valve (30) observation pipeline (5) is additionally provided between the mass flowmenter (6) and observation pipeline (5) with returning
Third valve (28) is additionally provided between receipts runner (8)；
The inlet of the simulated solution returnable (3) is provided with the 4th valve (27)；
The outlet of the mass flowmenter (6) is connect by main recovery pipe (7) with recycling runner (8), the main recovery pipe
(7) it is additionally provided with the 5th valve (29) between recycling runner (8)；
The gel media loading device (1), mass flowmenter (6), observation pipeline (5), is led back simulated solution supply container (2)
Closed tube road (7), recycling runner (8), the first valve (26), the second valve (27), third valve (28), the 4th valve (29) and the
Five valves (30) are placed in constant temperature cabin (4).
2. liquid-propellant rocket engine gel viscosity field calibration measuring system according to claim 1, it is characterised in that：
The gel media loading device (1) includes tank body, and the tank body is disposed vertically, and the upper end of the tank body is equipped with NPT
Adapter (22), the NPT adapters (22) are for installing tested vibration viscometer (21)；
The lower end of the tank body sets tapered reducer (19), and the big end of the taper reducer (19) is connect with tank body, institute
The small end for stating taper reducer (19) is provided with inlet attack；
The side wall of the tank body is provided with outlet connection close to upper-end part of driving；
Be additionally provided with firm banking (15) on the lateral wall of the tank body, the firm banking (15) for motionless basis even
It connects.
3. liquid-propellant rocket engine gel viscosity field calibration measuring system according to claim 2, it is characterised in that：
The tank body is provided with exhaust outlet (17) close to the position of upper end.
4. liquid-propellant rocket engine gel viscosity field calibration measuring system according to claim 2, it is characterised in that：
Pressure sensor interface and temperature sensor interface are also set up on the tank body.
5. liquid-propellant rocket engine gel viscosity field calibration measuring system according to claim 2, it is characterised in that：
The inlet attack welds straight coupling (20) for entrance, and outlet connection is outlet welding straight coupling (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721493509.XU CN207540930U (en) | 2017-11-10 | 2017-11-10 | Liquid-propellant rocket engine gel viscosity field calibration measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721493509.XU CN207540930U (en) | 2017-11-10 | 2017-11-10 | Liquid-propellant rocket engine gel viscosity field calibration measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207540930U true CN207540930U (en) | 2018-06-26 |
Family
ID=62612881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721493509.XU Withdrawn - After Issue CN207540930U (en) | 2017-11-10 | 2017-11-10 | Liquid-propellant rocket engine gel viscosity field calibration measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207540930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741385A (en) * | 2017-11-10 | 2018-02-27 | 西安航天动力试验技术研究所 | Liquid-propellant rocket engine gel viscosity field calibration measuring system and method |
-
2017
- 2017-11-10 CN CN201721493509.XU patent/CN207540930U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741385A (en) * | 2017-11-10 | 2018-02-27 | 西安航天动力试验技术研究所 | Liquid-propellant rocket engine gel viscosity field calibration measuring system and method |
| CN107741385B (en) * | 2017-11-10 | 2023-09-12 | 西安航天动力试验技术研究所 | System and method for on-site calibration and measurement of gel viscosity of liquid rocket engine |
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