CN209559501U - A kind of marine gas turbine gas handling system comprehensive simulation test system - Google Patents
A kind of marine gas turbine gas handling system comprehensive simulation test system Download PDFInfo
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Abstract
The utility model relates to a kind of marine gas turbine gas handling system comprehensive simulation test system, establish it is a set of ocean salt fog aerosol, big flow air inlet environment can be simulated, and real-time, stability, reproducible and with high accuracy comprehensive test platform.The system composition of the utility model specifically includes that basic wind tunnel experiment platform, artificial sea water generate system, salt fog aerosol occurs and control system, aerodynamic parameter measuring system, isokinetic sampling system, salt content analysis system.System is generated by basic wind tunnel experiment platform, artificial sea water, salt fog aerosol occurs and the ocean air inlet environment under Control system simulation difference salt fog aerosol extinction, gas turbine various inlet flow, pass through aerodynamic parameter measuring system, isokinetic sampling system, salt content analysis system, and corresponding test method is used, the aerodynamic drag of gas handling system, salt fog filtering efficiency are measured and analyzed.
Description
Technical field
The utility model belongs to technical field of ships, and in particular to a kind of marine gas turbine gas handling system comprehensive simulation examination
Check system.
Background technique
As the important component of gas turbine shipment application, gas turbine inlet air system equipment is numerous, and structure is complicated,
Including the multinomial equipment such as shutter, filter, silencer, charge flow rate is big, and flow field is complicated, is related to multiple subjects and function is wanted
It asks.In gas handling system exploitation, research process, need in laboratory internal simulating ocean environment, and to naval vessel gas handling system
Indices, performance carry out system, deep test and evaluation, provided a strong guarantee to research and develop novel Ship Equipment.
Most of experiment conditions are mainly for individual equipment or the experimental study of component both at home and abroad at present, for gas handling system
System level synthesis simulation experiment study it is less, first is that needing to comprehensively consider each due to larger for system-level experimental provision
The matching of equipment and Similarity Problem with full-scale investigation, experimental provision design difficulty are larger；Second is that naval gas turbine
Gas handling system application environment is special, need to accurately simulate ocean salt mist environment and specific air inlet concentration of saline fog, and induction air flow ratio is high, and two
Phase flow field is complicated, very high to the precision of sampling and test, repeatability requirement, is an especially fine experimental technique.With
The raising of Vessel personnel gas handling system performance requirement, gas handling system outlet salt content required to be reduced to ppb grades, it is comprehensive
It closes imitative experimental appliance and needs to configure expensive high-precision measuring ion equipment, and optimize integrated.Test method sheet
Body difficulty is with regard to larger.
To meet modern advanced gas handling system research and development and performance verification needs, need to develop a kind of novel gas inlet filtering synthesis
Simulation experiment system establishes a set of real-time, stability, reproducible and with high accuracy test macro.Through market survey and text
Inquiry is offered, such comprehensive simulation test system there is no to produce or be seen in document report at present.
Utility model content
The utility model provides a kind of marine gas turbine gas handling system comprehensive simulation test system, including, basic wind-tunnel
Experimental bench, artificial sea water generate system, salt fog aerosol occurs and control system, isokinetic sampling system, salt content analysis system
System；The basis wind tunnel experiment platform, by import diversion section, air inlet flow straightening grid section, salt spray and blending section, performance test section
One, gas handling system, performance test section two, structure both shrinks section, wind tunnel flow rate test section are sequentially connected in series；The artificial sea water is raw
The generation of salt fog aerosol and control system are input to for generating artificial sea water at system；The artificial sea water generates system packet
It includes, it is micro- logical by concentrated solution storage tank, ultrapure water storage tank, concentrated solution metering pump, ultrapure water metering pump, T-type that artificial sea water generates system
Road impingement mixer, online conductivity meter, programmable logic controller (PLC), display control screen；Concentrated solution metering pump respectively with it is dense molten
Liquid storage tank is connected with T-type microchannel impingement mixer, and ultrapure water metering pump is mixed with ultrapure water storage tank and the collision of T-type microchannel respectively
Clutch is connected；Online conductivity meter is connected with programmable logic controller (PLC), and the online conductivity meter 6 includes that 2 conductivity are visited
Head, 2 conductivity probes are respectively arranged in concentrated solution storage tank and the exit of T-type microchannel impingement mixer；It can compile
Journey logic controller is connect with concentrated solution metering pump and ultrapure water metering pump respectively, for controlling pump discharge；The salt fog is molten
Glue occurs to include: water supplying unit, air supply unit, pump compress cell, in-line meter unit, sprayer unit, fixation with control system
Frame, control system, the above unit are connected through valve pipe fitting, manipulate each unit movement by control system；The sprayer unit
It is arranged in the salt spray and blending section of basic wind tunnel experiment platform；The isokinetic sampling system include lossless sampling probe array,
Sample collection device, high-precision flow sensor, flow control valve, sampling pump and sample lines.The lossless sampling probe battle array
Column are arranged in the performance test section (one, two) of basic wind tunnel experiment platform；The sample collection device, high-precision flow sensing
Device, flow control valve and sampling pump are arranged in by basic wind tunnel experiment platform, are connected by sample lines；Salt content analysis system
System is ion chromatograph, the solution chloride ion content for test in the sample collection device before and after acquired gas handling system,
Convert salt content.
The utility model technical effect:
The present invention can complete the aerodynamic loss test, salt fog filtering test and multifunctional combined debugging of gas handling system.
Aerodynamic parameter measuring system, salt fog generating system, isokinetic sampling system, ion analysis system etc. are arranged in wind turbine apparatus or week
The simulation of air inlet salt fog and gas handling system performance test analysis are realized in side.
1, the present invention devises a kind of marine gas turbine gas handling system comprehensive simulation test system, can in real time, surely
Surely, accurately under simulating ocean environment different operating conditions air velocity distribution, salt fog aerosol environment, test and analyze air inlet system
The aerodynamic drag performance and salt fog filtration properties of system.
2, the present invention devises basic wind tunnel experiment platform, can satisfy various experiment conditions under big flow gas source condition and stablizes
The requirement of adjustment, wind-tunnel full admission amount is about 10kg/s, is always about 18 meters and carries out flow adjusting using Frequency Converter Control blower.
3, the accurate preparation that system realizes simulated seawater is generated using the artificial sea water of design, prepares rate in 1~40L/h
Adjustable in range, simulated seawater concentration is adjustable in 3%~4% range, and the simulated seawater fluctuation of concentration of preparation is in ± 0.1% model
In enclosing；Simulated seawater is prepared using the present invention, high degree of automation avoids the influence of human factor, and precision preparation is high, quality
Height, labor intensity is low, provides a strong guarantee to carry out naval vessel research and development test.4, occur accurately to control with control system using salt fog
System adjusts salt fog aerosol partial size and concentration.
5, using the lossless sampling probe array acquisition sample of isokinetic sampling system, stream field influences smaller, sampling precision
It is higher.
Detailed description of the invention
Fig. 1 is gas handling system integrated test system structural schematic diagram；
Wherein 1. import diversion section；2. inlet flow grid section；3. salt spray and blending section；4. performance test section one；
5. gas handling system；6. performance test section two；7. structure both shrinks section；8. steady flow segment；9. wind tunnel flow rate measuring section；10. blower；11.
Exhaust section；12. artificial sea water generates system；13. salt fog aerosol occurs and control system；14. isokinetic sampling system；15.
Ion chromatograph；
Fig. 2 is wind turbine apparatus Pitot tube probe measuring point value arrangement map；
Wherein, 1. Pitot tube probe；2. wind tunnel test section section；
Fig. 3 is flow velocity/flow rate test Pitot tube probe layout；
Fig. 4 artificial sea water generates systematic schematic diagram；
Wherein 1. concentrated solution storage tank；2. ultrapure water storage tank；3. concentrated solution metering pump；4. ultrapure water metering pump；5.T type is micro- logical
Road impingement mixer；6.. online conductivity meter；7. programmable logic controller (PLC)；8. display control screen；
Fig. 5 is pneumatic testing section distribution schematic diagram (1-1 to 7-7)
Specific embodiment
Detailed description of the preferred embodiments with reference to the accompanying drawing.
Embodiment one
A kind of marine gas turbine gas handling system comprehensive simulation test system, as shown in Figure 1, comprising: basic wind tunnel experiment
Platform, artificial sea water generate system, salt fog aerosol occurs and control system, isokinetic sampling system, salt content analysis system.Tool
Body includes:
(1) basic wind tunnel experiment platform
Basic wind tunnel experiment platform carries out flow Field Design according to wind-tunnel design specification, meets various realities under big flow gas source condition
The requirement for testing stable conditions adjustment is the basis of the installation of gas handling system model machine and functional experiment test.The basis wind tunnel experiment
Platform is surveyed by import diversion section, air inlet flow straightening grid section, salt spray and blending section, performance test section one, gas handling system, performance
Examination section two, structure both shrinks section, steady flow segment, wind tunnel flow rate test section blower, exhaust section are sequentially connected in series.
Basic wind tunnel experiment platform whole design is air suction type experimental wind tunnel, and wind-tunnel full admission amount is about 10kg/s, overall length
About 18 meters, specific design content is as follows:
1. import diversion section
Import diversion section uses lemniscate form, outside leading edge size 2300*2100mm, experimental wind tunnel inner wall size
1500*1300mm completes the collection and preliminary rectification of air inlet.
2. inlet flow grid section
Flow straightening grid is made of stainless steel plate cuttage form, and both ends are fixed using argon arc welding spot welding.Honeycomb screen gate hole is
Square, size 50*50mm, length 500mm, main function are gas flow homogenization rectification, shred incoming flow vortex, true equal to simulate
Even incoming flow creates conditions.
3. salt spray and blending section
To complete dehydration and the experiment of salt fog filtration properties, need to spray into uniform salt fog before gas handling system experimental piece.This
Salt spray and blending section is arranged in experimental wind tunnel after flow straightening grid, and autonomous Design salt mist spray system uniformly sprays salt fog
Enter, and by the blending of certain distance, uniform salt fog inlet flow conditions are created before gas handling system experimental piece.
4. performance test section one, two
When carrying out aeroperformance or strainability and testing, experimental piece is installed additional between performance test section one and two, and
Installation Pitot tube probe (arranging with reference to Fig. 2) before and after experimental piece obtains total, static pressure after total incoming flow, static pressure and experimental piece, calculates real
Part front and back flow velocity is tested, and obtains experimental piece pressure drop characteristics.When carrying out the experiment of salt fog filtering efficiency, by experimental piece
Forward and backward isokinetic sampling and coupled ion chromatography, measurement experiment part front and back concentration of saline fog, obtain the weight calculation salt fog of experimental piece
Filtering efficiency.
5. structure both shrinks section and steady flow segment
Both since experimental section size is larger, and blower incoming air area is smaller, so need to realize by structure both shrinks
Connection uses this pungent base curves of Vito as molded line is shunk, completes experiment to reduce the aerodynamic loss as caused by geometry
Structure both shrinks of the wind-tunnel to axial flow blower.Steady flow segment is designed for air-flow by carrying out current stabilization after structure both shrinks section.
6. wind tunnel flow rate measuring section
The main function of wind tunnel flow rate measuring section is wind tunnel test flow (flow velocity), it is contemplated that wind-tunnel area is larger, comes
Flow velocity degree is lower and is unevenly distributed in whole cross section, the considerations of for flow velocity, flow rate test precision, choose area contraction it
Position afterwards is as test position, to improve the measurement accuracy of flow velocity, flow.When test, it is evenly distributed four Pitot tubes
Probe, flow velocity obtained by radial distance carry out it is average after air-flow velocity as whole cross section, specific layout is with reference to Fig. 3.
7. blower
Air supply system is mainly made of axial id fan and frequency conversion speed-adjusting system, air-introduced machine range of flow 650-350m3/
Min, corresponding total pressure 610-6500Pa carry out flow adjusting using frequency converter, and frequency converter operation can be manual by live potentiometer
Adjustment passes through 485 serial ports by computer adjust automatically.
(2) artificial sea water generates system
Gas handling system comprehensive experiment table needs to simulate various concentration ocean salt mist environment, and carries out salt fog in experimental bench and adopt
Sample and salt content analysis, filter export salt content and require down to ppb grades, it is ensured that the salt of such low concentration can be accurate
Measurement, which analyzes, to be come, and high-precision ion analysis equipment is not only needed, it is also necessary to which the simulation of experimental bench marine environment, sampling are used with water
Ultrapure water without any ion carries out the preparation of artificial sea water on this basis, prevents that there are the interference of other ions.For this purpose,
The present invention specially devises artificial sea water and generates system for automatically generating the standard artificial's sea water solution used for spraying system.
Fig. 4 is that artificial sea water generates systematic schematic diagram, and the mass concentration of the system artificial sea water is adjustable in 3.0%-4.4% range, batch
Secondary maximum preparation amount is not less than 70L, prepares speed maximum up to 35L/h.
The artificial sea water generates system, for generating artificial sea water, is input to the generation of salt fog aerosol and control system；
The artificial sea water generates system, and artificial sea water generates system and measured by concentrated solution storage tank, ultrapure water storage tank, concentrated solution
Pump, ultrapure water metering pump, T-type microchannel impingement mixer, online conductivity meter, programmable logic controller (PLC), display control screen；
Concentrated solution metering pump is connected with concentrated solution storage tank and T-type microchannel impingement mixer respectively, ultrapure water metering pump respectively with it is ultrapure
Water storage tank is connected with T-type microchannel impingement mixer；Online conductivity meter is connected with programmable logic controller (PLC), the online electricity
Electrical conductivity instrument 6 includes 2 conductivity probes, and 2 conductivity probes are respectively arranged in concentrated solution storage tank and touch with T-type microchannel
Hit the exit of mixer；Programmable logic controller (PLC) is connect with concentrated solution metering pump and ultrapure water metering pump respectively, for controlling
Pump discharge processed.
Wherein ultrapure water refers to that resistivity is greater than the water of 18M Ω cm, is generated by ultrapure water machine, can be raw for artificial sea water
Free from admixture water source is provided at system, while sampling water can also be provided for isokinetic sampling system of the present invention.
The artificial sea water generates system automation degree height, avoids the influence of human factor, prepares artificial sea water precision
Height, quality is high, and labor intensity is low, to provide a strong guarantee for naval vessel research and development test.
(3) generation of salt fog aerosol and control system
Gas turbine inlet air system comprehensive experiment table will realize the accurate simulation to various inlet ocean salt mist environment, it is necessary to
A set of salt fog aerosol partial size and concentration accurately adjustable generation and control system are designed, to adapt to different ship types, various inlet
The different marine environment that mode may face, air inlet salt fog aerosol concentration 0.1~500ppm of area requirement, particle size range requirement
1~200 μm, most requirement of experiment can be met.
Salt fog aerosol occurs and control system, including, water supplying unit, air supply unit, pump compress cell, in-line meter list
Member, sprayer unit, fixed frame, control system, the above unit are connected through valve pipe fitting, are manipulated each unit by control system and are moved
Make.Salt fog aerosol occurs artificial sea water solution atomization with control system through the array spray head in sprayer unit and equably
It is blended with charge air flow, to simulate marine salt mist environment.Jet array can freely be set up, can be 3 × 3 arrays or
The array of other forms.Salt mist spray system is by the way that pneumatic nebulization is spraying and press atomization both of which control mist flow, dense
Degree and spray particle diameter size, are allowed to controllable.
(4) aerodynamic parameter measuring system
Aerodynamic parameter measuring system of the present invention is by Pitot tube stagnation pressure, static pressure measurement probe array, electric pressure scaner system
The composition such as system, probe array includes 22 velocity probes (its middle section 1-1~6-6 for being arranged in experimental bench section 1-1~7-7
Arrange 18 No. five probes, each section arranges 3；Section 7-7 arrange 4 No. three probes, 1 No. four probe), 56 road wall surfaces
Static probe and erection support etc., stagnation pressure that each probe measures, static pressure analog signal is system converting through electric pressure scaner is
Digital signal is analyzed for subsequent aerodynamic parameter.Pneumatic testing section 1-1~7-7 distribution situation such as Fig. 5 of experimental bench.
(5) isokinetic sampling system
Isokinetic sampling system samples air salt fog before and after inlet air filtration device experimental prototype.Sampling system is by nothing
Damage the groups such as sampling probe array, sample lines, sample collection device, high-precision flow sensor, flow control valve and sampling pump
At wherein lossless sampling probe array is mounted in experimental wind tunnel pipeline by fixed bracket, remaining equipment is arranged in pipeline
Side is connected between sampling probe and sample collection device by sample lines.Sample collection device is according to the difference of sampling request
It may be designed in the different forms such as single-stage sampling and double stage tandem sampling.
According to systematic sampling flow rates (3~10m/s), sampling channel (1~9 tunnel), sampling head caliber (8mm), sampling
Range of flow is 9~270L/min.
(6) salt content analysis system
Salt content analysis system uses high-precision ion chromatograph in the present invention, for analyzing in the air of gas handling system front and back
Salt content.Ion chromatograph is by mobile phase container, high pressure pump, sample injector, chromatographic column, detector and data processing system
Equal basic modules composition.The course of work is: mobile phase is delivered to analysis system, In with stable flow velocity (or pressure) by infusion pump
Passing through sample injector for Sample introduction before chromatographic column, mobile phase brings sample into chromatographic column, and each component is separated in the chromatography column,
And it successively is flow to detector with mobile phase, ion chromatograph is Suppressed ion chromatography, increases by one before electric conductivity detector
Regenerated liquid is transported to suppressor with another high pressure pump by inhibition system, in suppressor, the background conductance of mobile phase
It is lowered, effluent is then imported into conductance detecting pool, the signal detected send to data system record, processing or saves.
The common ion often detected has:
Anion: F-, Cl-, Br-, NO2 -, PO4 3-, NO3 -, SO4 2-, formic acid, acetic acid, oxalic acid etc.；
Cation: Li+, Na+, NH4 +, K+, Ca2+, Mg2+, Cu2+, Zn2+, Fe2+, Fe3+Deng.
The common anion of ion chromatograph separation determination is its speciality, and a sample needle is thrown into, about 20 minutes with
The measurement result of interior just available 7 common ions, therefore this experiment is mainly with ppb grades in ion chromatograph test inlet air
The chloride ion of content guarantees the high-precision of measurement.
Embodiment two
(1) blower in basic wind tunnel experiment platform is opened, air quantity is adjusted to 5kg/s；
(2) aerodynamic parameter measuring system is opened, probe array includes 22 speed for being arranged in experimental bench section 1-1~7-7
Spending probe, (its middle section 1-1~6-6 arranges 18 No. five probes, and each section arranges 3；Section 7-7 arranges that 4 three tunnels are visited
Needle, 1 No. four probe), pressure signal is converted to by electric signal by pressure scanning valve and is input on air inlet control and monitor console.
(3) read each section average static pressure, average total pressure: the section 1-1 static pressure is 0.3Pa, stagnation pressure 2.8Pa；The section 2-2
Static pressure is -5.3Pa, and stagnation pressure is -2.2Pa；The section 3-3 static pressure is -14.6Pa, and stagnation pressure is -11.5Pa；The section 4-4 static pressure be-
14.7Pa, stagnation pressure are -11.6Pa；The section 5-5 static pressure is -77.3Pa, and stagnation pressure is -73.1Pa；Wherein, the 2- of gas handling system is installed
2 sections to the section 3-3, the section 4-4 to the section 5-5 total pressure head be 6.3Pa and 61.5Pa, gas handling system can be obtained
The pitot loss of different piece.
Embodiment three
(1) it opens ultrapure water machine and prepares ultrapure water 40L；
(2) the artificial sea water concentration that setting is drawn up standby is 3.5%, and total preparation amount is 20L；
(3) 1L ultrapure water is separately added into the sample collection device in the isokinetic sampling system before and after gas handling system；
(4) artificial sea water is generated into the artificial sea water that system generates and the generation of salt fog aerosol and control system is added；
(5) blower in basic wind tunnel experiment platform is opened, air quantity is adjusted to 5kg/s；
(6) calculating test section wind speed according to test section cross-sectional area is 2.14m/s, adjusts isokinetic sampling system, so that
Sampling flow velocity is 2.14m/s；
(7) generation of salt fog aerosol and control system are opened, 3 × 3 nozzle arrays is used in this example, artificial sea water is set
Mist flow be 4L/h；
(8) gas handling system front and back is sampled respectively using 1 × 3 sampling probe array in this example, the power such as unlatching
Sampling system is sampled, sampling time 30min；
(9) after sampling, using clean dropper and graduated cylinder to the isokinetic sampling system sample before and after gas handling system
Solution example in collection device is sampled；And it is analyzed by ion chromatograph；
(10) it can be obtained by analysis, concentration of saline fog is 7.6ppm before gas handling system, and concentration of saline fog is after gas handling system
0.005ppm。
Example IV
(1) it opens ultrapure water machine and prepares ultrapure water 40L；
(2) the artificial sea water concentration that setting is drawn up standby is 3.5%, and total preparation amount is 20L；
(3) 1L ultrapure water is separately added into the sample collection device in the isokinetic sampling system before and after gas handling system；
(4) artificial sea water is generated into the artificial sea water that system generates and the generation of salt fog aerosol and control system is added；
(5) blower in basic wind tunnel experiment platform is opened, air quantity is adjusted to 10kg/s；
(6) calculating test section wind speed according to test section cross-sectional area is 2.14m/s, adjusts isokinetic sampling system, so that
Sampling flow velocity is 2.14m/s；
(7) generation of salt fog aerosol and control system are opened, 3 × 3 nozzle arrays is used in this example, artificial sea water is set
Mist flow be 4L/h；
(8) it opens isokinetic sampling system to sample gas handling system front and back simultaneously, sampling time 30min；
(9) after sampling, using clean dropper and graduated cylinder to the isokinetic sampling system sample before and after gas handling system
Solution example in collection device is sampled；And it is analyzed by ion chromatograph；
(10) it can be obtained by analysis, concentration of saline fog is 3.8ppm before gas handling system, and concentration of saline fog is after gas handling system
0.004ppm。
Claims (1)
1. a kind of marine gas turbine gas handling system comprehensive simulation test system characterized by comprising basic wind tunnel experiment
Platform, artificial sea water generate system, salt fog aerosol occurs and control system, isokinetic sampling system, salt content analysis system；
The basis wind tunnel experiment platform, by import diversion section, air inlet flow straightening grid section, salt spray and blending section, performance test
Duan Yi, gas handling system, performance test section two, structure both shrinks section, wind tunnel flow rate test section are sequentially connected in series；
The artificial sea water generates system, for generating artificial sea water, is input to the generation of salt fog aerosol and control system；It is described
Artificial sea water generates system, and artificial sea water generates system by concentrated solution storage tank, ultrapure water storage tank, concentrated solution metering pump, super
Pure water metering pump, T-type microchannel impingement mixer, online conductivity meter, programmable logic controller (PLC), display control screen；It is dense molten
Liquid metering pump is connected with concentrated solution storage tank and T-type microchannel impingement mixer respectively, and ultrapure water metering pump is stored up with ultrapure water respectively
Tank is connected with T-type microchannel impingement mixer；Online conductivity meter is connected with programmable logic controller (PLC), the online conductivity
Instrument 6 includes 2 conductivity probes, and 2 conductivity probes are respectively arranged in concentrated solution storage tank and the collision of T-type microchannel is mixed
The exit of clutch；Programmable logic controller (PLC) is connect with concentrated solution metering pump and ultrapure water metering pump respectively, for controlling pump
Flow；
The salt fog aerosol occurs to include: water supplying unit, air supply unit, pump compress cell, in-line meter list with control system
Member, sprayer unit, fixed frame, control system, the above unit are connected through valve pipe fitting, are manipulated each unit by control system and are moved
Make；The sprayer unit is arranged in the salt spray and blending section of basic wind tunnel experiment platform；
The isokinetic sampling system includes lossless sampling probe array, sample collection device, high-precision flow sensor, flow
Regulating valve, sampling pump and sample lines；The lossless sampling probe array is arranged in the performance test section of basic wind tunnel experiment platform
One and performance test Duan Erzhong；The sample collection device, high-precision flow sensor, flow control valve and sampling pump are arranged in
By basic wind tunnel experiment platform, connected by sample lines；
The salt content analysis system is ion chromatograph, for testing in the sample collection device before and after acquired gas handling system
Solution chloride ion content, to convert salt content.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987459A (en) * | 2019-12-19 | 2020-04-10 | 哈尔滨工程大学 | Observation test stand for icing process of inlet of marine gas turbine |
| CN111024403A (en) * | 2019-12-19 | 2020-04-17 | 哈尔滨工程大学 | Marine gas turbine inlet part icing test bed comprising inlet channel structure |
| CN113340604A (en) * | 2021-08-04 | 2021-09-03 | 中国飞机强度研究所 | High bypass ratio turbofan engine exhaust emission system |
-
2018
- 2018-12-20 CN CN201822144405.9U patent/CN209559501U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987459A (en) * | 2019-12-19 | 2020-04-10 | 哈尔滨工程大学 | Observation test stand for icing process of inlet of marine gas turbine |
| CN111024403A (en) * | 2019-12-19 | 2020-04-17 | 哈尔滨工程大学 | Marine gas turbine inlet part icing test bed comprising inlet channel structure |
| CN113340604A (en) * | 2021-08-04 | 2021-09-03 | 中国飞机强度研究所 | High bypass ratio turbofan engine exhaust emission system |
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