CN202066694U - Testing device for development research of gas wave rotor - Google Patents
Testing device for development research of gas wave rotor Download PDFInfo
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- CN202066694U CN202066694U CN2011200694601U CN201120069460U CN202066694U CN 202066694 U CN202066694 U CN 202066694U CN 2011200694601 U CN2011200694601 U CN 2011200694601U CN 201120069460 U CN201120069460 U CN 201120069460U CN 202066694 U CN202066694 U CN 202066694U
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- wave rotor
- mixer
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- rotor
- burner
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Abstract
A testing device for the development research of a gas wave rotor belongs to the field of supercharging research. The device comprises a gas wave rotor (12); and the gas wave rotor (12) is driven by an electric motor (13); the device is characterized by further comprising a combustion system, the combustion system comprises a combustor (7), a mixer (14), a fuel bottle (1) and an air compressor (2); the fuel bottle (1) and the air compressor (2) are respectively connected to the mixer (14) through pipelines, the mixer (14) is connected with the combustor (7), and the combustor (7) is connected with the gas wave rotor (12); the mixer (14) is provided with a fuel inlet (17) and a compressed air inlet (16); an igniter (6) is arranged in the combustor (7); and control valves (15) are respectively arranged at a fresh air inlet (10) and a supercharging air outlet (9) of the gas wave rotor (12). The device can test the performance of the gas wave rotor under various working conditions, and also can perform the test research of combustion characteristics of different gas fuels.
Description
Technical field
The utility model relates to the proving installation of wave rotor development research, this test unit can be simulated wave rotor actual working environment at the work characteristics of wave rotor, is mainly used in the performance test after the design of wave rotor is manufactured experimently, belong to field of fluid machinery, be specially the supercharging research field.
Background technology
The wave rotor is a kind of fluid mechanical device that transmits energy by wave (wave of compression and rarefaction wave).By the appropriate design of structure, the wave principle that it is ingenious to utilize the direct contact between the fluid of two kinds of different-energies to produce realizes that energy transmits between two kinds of fluids.In practical engineering application, the wave rotor is mainly used in supercharging, and the high enthalpy of the fluid (normally Ran Shao waste gas) that available energy is higher improves the enthalpy of the lower fluid (normally fresh air) of energy.With respect to other sensator, wave rotor simple in structure need not these mechanical component of piston or blade; Its most significant advantage is owing to directly contact and transmit energy at rotor conduit hollow gas with exhaust, and the energy exchange between two kinds of gas can be finished rapidly, and transient response is fast.Just because of its outstanding advantage, be successfully applied to the supercharging of internal combustion engine and gas turbine.The structural shape of wave rotor generally has four openings, three opening wave rotors, uses wider four-hole wave rotor, and is successfully applied to vehicular engine, and the wave rotor that is used for Vehicle Turbocharged is commonly referred to as wave pressure supercharger.
In early days, Beijing University of Technology has researched and developed a kind of Performance Test System that is used for wave pressure supercharger, can carry out performance test at wave pressure supercharger; Adopted the electric heater simulated combustion in this test macro, there is the not high enough defective of temperature and pressure of required gas in this.For the structure of studying the wave rotor better to its Effect on Performance, simulate its actual working condition better, this development platform has been proposed.In order to solve the problem of gas High Temperature High Pressure, there is a certain distance with the practice operating mode.
This development platform mainly is at its performance under the different tests operating mode of many openings wave rotor test, problem at the high temperature and high pressure gas generation, the utility model proposes the scheme that adopts burner, promptly adopt a premix burner, the burning of the inner fuel by premix burner, produce high temperature and high pressure gas, this and wave rotor are very approaching in practice.In addition, this test platform has better flexibility, can be used for the performance test after the design trial-production of many openings wave rotor, not only is convenient to study the performance of the wave rotor of different structure type (different openings); Simultaneously, also can test and study the combustion characteristics of gas with various fuel.
The utility model content
The purpose of the utility model device is many openings of simulation wave rotor practice operating mode at utmost, further realizes the performance test of the wave rotor of different structure, furthers investigate the performance of many openings wave rotor.
The proving installation of wave rotor development research comprises wave rotor 12, and wave rotor 12 is driven by motor 13, and wave rotor 12 is provided with fresh air import 10, pressurized air outlet 9;
It is characterized in that: comprise that also combustion system, combustion system comprise burner 7, mixer 14 and fuel cylinder 1, air compressor 2; Fuel cylinder 1, air compressor 2 are connected to mixer 14 by pipeline respectively, and mixer 14 connects burner 7, and burner 7 connects wave rotor 12; Mixer 14 is provided with fuel inlet 17 and compressed air inlet 16; Mounting points firearm 6 in the burner 7; Export 9 places at fresh air import 10, the pressurized air of wave rotor 12 operation valve 15 all has been installed.
The wave rotor is a kind of pressure conversion device, mainly comprises rotor and stator, as shown in Figure 1.Wave rotor 12 is driven by motor 13, and 12 of motor 13 and rotors come transmission by belt, and motor can be regulated wave rotor speed.The stator transfixion is distributed in the wave two ends of rotor, and the passage of hollow is arranged in the stator, and by these stator passages, gas can flow into or flow out rotor and carry out NE BY ENERGY TRANSFER.Stator has four gateways, wherein two high-pressure sides, i.e. fuel gas inlet 8, pressurized air outlet 9; Two low pressure ends, i.e. gas outlet 11 and fresh air inlet 10.When the wave rotor rotation, directly contact in wave rotor 12 inside with new charge from the combustion gas after the burning of cylinder; Because the rotor rotation, rotor cycle ground and stator openings UNICOM, disconnection produce a series of waves (wave of compression and rarefaction wave) like this, just realize NE BY ENERGY TRANSFER by these a series of waves from the energy of combustion gas, finally make admission pressure raise.
In order to simulate the applicable cases of wave rotor in engine, adopted combustion system in the utility model.Combustion system mainly comprises burner 7, mixer 14 and fuel cylinder 1, air compressor 2.Fuel cylinder 1 and air compressor 2 provide fuel and air, fuel, air mix the formation combustion mixture in mixer, combustion mixture enters to be lighted by lighter 6 in the burner 7 and burns, and produces high-temperature high-pressure fuel gas, enters at last in the wave rotor and finishes NE BY ENERGY TRANSFER.
Enter the state of engine in order to simulate pressurized air, export 9 places at fresh air import 10, pressurized air operation valve 15 all has been installed.The amplitude that adjusting control valve is opened, the back pressure after can adjusting control valve.
In each pipeline of wave rotor, burner, pressure transducer, temperature sensor and flowmeter are installed all, to measure the thermal parameter of each inlet, outlet.
In whole test system, the architecture advances of each later vital part is convenient in wave rotor, burner, the equal independent design of mixer, assembling; All simultaneously parts, sensor are installed on the support, and this support is equipped with castor, are convenient to moving, transport and carrying of whole test platform like this.
The course of work of this test platform mainly is: at first start air compressor 2, starter motor 13 drives wave rotor 12 and rotates, treat temperature, pressure reach the experiment predetermined value and keep stable after, open fuel cylinder air valve 3, regulate required fuel-air mixture, air, fuel mix in mixer 14, enter burner 7, lighted by lighter 6, combustion gas enters wave rotor 12, each parameter under different operating modes is measured in the normal operation of wave rotor this moment.
The advantage of this test macro has:
● can carry out performance test to the wave rotor independently;
Thereby ● the parameter that the mixing ratio of the air fuel by regulating burner is regulated wave rotor inlet end, investigate the influence of the variation of inlet end parameter to the wave rotor performance;
● the rotating speed of wave rotor is adjustable;
● test platform has movability, dirigibility;
● test platform is easy to transform.
Description of drawings
Fig. 1 wave rotor test platform sketch
Fig. 2 mixer connects synoptic diagram with burner
Among the figure:
The 1-fuel cylinder, 2-air compressor, 3-air valve, the 4-flowmeter, 5-retaining valve, 6-lighter, the 7-burner, 8-fuel gas inlet, the outlet of 9-pressurized air, the 10-fresh air inlet, 11-gas outlet, 12-wave rotor, the 13-motor, 14-mixer, 15-operation valve, the 16-compressed air inlet, 17-fuel inlet, 18-joint flange
Embodiment
Describe the utility model in detail below in conjunction with Fig. 1～2.
Present embodiment mainly is made up of wave rotor 12, motor 13, burner 7, mixer 14, air compressor 2, fuel cylinder 1.The wave rotor is that the bent axle by engine drives during practical application on engine.On this test platform, adopt a variable-frequency motor 13 to drive wave rotor 12, come transmission by belt between motor and rotor.Regulate the rotating speed that the variable-frequency motor frequency can change the wave rotor.
In order to realize at utmost simulation wave rotor practice operating mode, this test platform has adopted the design of burner 7.Combustion system mainly comprises burner 7, mixer 14, fuel cylinder 1, air compressor 2.Fuel cylinder 1 can be burner fuel is provided, and adopts gaseous fuel in the utility model, can combustion of methane, gaseous fuel such as rock gas, hydrogen.Air compressor 2 provides required air for burning, and air compressor is compressed atmosphere in advance, and the pressure of air can be regulated, and compressed-air actuated pressure range of adjustment is 0.1～0.6MPa.Like this, enter the pressurized air of mixer 14 and the pressure of gaseous fuel, the mixing ratio that can regulate different air and fuel by air valve 3 scalable.
The structural representation of mixer 14 mainly contains fuel inlet 17 and compressed air inlet 16 as shown in Figure 2.The design of the incident angle by fuel inlet 17 can guarantee to have certain speed and flow when fuel enters mixer, can guarantee that like this fuel and air have the time and the space of mixing before entering burner, to form combustion mixture comparatively uniformly.Mixer 14 links up by joint flange 18 with burner 7.Lighter 6 is installed near mixer and the burner junction, and lighter 6 can send electric spark with rapid fire fuel air Mixture.
For the sake of security, in combustion system, fuel conduit and air pipe line are equipped with retaining valve 5, can prevent the gas refluence of burner combustion like this and cause unnecessary blast.
Export at fresh air import 10, pressurized air operation valve 15 all has been installed in 9 pipelines, operation valve is a butterfly valve, the amplitude of the unlatching by regulating butterfly valve can change the back pressure of operation valve 15 back pipelines, thus the different back pressure operating modes of installation environment during the practical application of simulation wave rotor.
This test is different can carry out the test of different tests operating mode, as:
● different fuel, air mixed ratio
● different wave rotor speeds
● different initial pressures
● different temperature of combustion
● different back pressures
● different structure wave rotor
The utility model mainly is at the test platform of wave rotor design, can carry out the performance test under the wave rotor various working, also can be used for the performance test of wave rotor structure design and research.Simultaneously, owing to adopted the scheme of burner, also can carry out the experimental study of the combustion characteristics of gas with various fuel.
Claims (1)
1. the proving installation of wave rotor development research comprises wave rotor (12), and wave rotor (12) is driven by motor (13), and wave rotor (12) is provided with fresh air import (10), pressurized air outlet (9);
It is characterized in that: comprise that also combustion system, combustion system comprise burner (7), mixer (14) and fuel cylinder (1), air compressor (2); Fuel cylinder (1), air compressor (2) are connected to mixer (14) by pipeline respectively, and mixer (14) connects burner (7), and burner (7) connects wave rotor (12); Mixer (14) is provided with fuel inlet (17) and compressed air inlet (16); Mounting points firearm (6) in the burner (7); Fresh air import (10), pressurized air outlet (9) at wave rotor (12) locate all to have installed operation valve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200694601U CN202066694U (en) | 2011-03-16 | 2011-03-16 | Testing device for development research of gas wave rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200694601U CN202066694U (en) | 2011-03-16 | 2011-03-16 | Testing device for development research of gas wave rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202066694U true CN202066694U (en) | 2011-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200694601U Expired - Fee Related CN202066694U (en) | 2011-03-16 | 2011-03-16 | Testing device for development research of gas wave rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202066694U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156049A (en) * | 2011-03-16 | 2011-08-17 | 北京工业大学 | Testing device for development and research of air wave rotor |
| CN106124217A (en) * | 2016-03-22 | 2016-11-16 | 南京航空航天大学 | A kind of single channel internal combustion wave rotor experimental provision |
| CN106482954A (en) * | 2016-10-26 | 2017-03-08 | 南京航空航天大学 | A kind of internal combustion wave rotor experimental system that simplifies mixes gas filling device and its method of work |
-
2011
- 2011-03-16 CN CN2011200694601U patent/CN202066694U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156049A (en) * | 2011-03-16 | 2011-08-17 | 北京工业大学 | Testing device for development and research of air wave rotor |
| CN106124217A (en) * | 2016-03-22 | 2016-11-16 | 南京航空航天大学 | A kind of single channel internal combustion wave rotor experimental provision |
| CN106124217B (en) * | 2016-03-22 | 2018-07-17 | 南京航空航天大学 | A kind of single channel internal combustion wave rotor experimental provision |
| CN106482954A (en) * | 2016-10-26 | 2017-03-08 | 南京航空航天大学 | A kind of internal combustion wave rotor experimental system that simplifies mixes gas filling device and its method of work |
| CN106482954B (en) * | 2016-10-26 | 2019-02-22 | 南京航空航天大学 | A kind of simplified internal combustion wave rotor experimental system mixes gas filling device and its working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20130316 |