Electrode used for aeroengine and aeroengine composed of same
A technology of aero-engines and engines, applied in the directions of engine components, machines/engines, air transportation, etc., can solve the problems of lack of others, and achieve the effect of preventing ablation or corrosion
Active Publication Date: 2022-05-31
AERO ENGINE ACAD OF CHINA
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Problems solved by technology
However, in terms of the control of the main combustion chamber, at present, the flow and pressure of the fuel supply can only be adjusted by adjusting the fuel pump, fuel valve, etc. The combustion in the main combustion chamber mainly includes high-pressure and high-speed air in a confined space Physical processes such as complex flow, atomization of fuel, liquid-mist two-phase mixing, evaporation and flame heat transfer, and chemical processes such as ignition, combustion and flame propagation lack other more effective and finer methods for combustion control in the main combustion chamber. Control methods and means
Method used
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Embodiment 1
Embodiment 2
[0041] The head region B1 has a head end wall 39 on which the head planar electrode 35 is mounted.
[0042] The mesh electrode 12 in the mixing area is installed on the mixing area electrode made of alumina, zirconia or other insulating and heat-resistant materials.
[0045] The ring electrodes on the same combustion zone mesh electrode 8 or the mixing zone mesh electrode 12 can be configured to be connected to each other.
[0046] Analyze with the combustion zone mesh electrode 8 below;
[0053]
[0054] In the formula, the angle markers a and b can be replaced according to different electrodes. For concentric square ring electrodes or concentric triangular ring electrodes, the denominator:
[0059]
Embodiment 3
[0065]
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The invention discloses an electrode for an aeroengine and an aeroengine composed thereof. The electrode includes a temperature-resistant and conductive electrode inner core and a temperature-resistant and anti-corrosion electrode outer wall, and the electrode outer wall is wrapped around the exposed surface of the electrode inner core. A plurality of electrodes are installed in the combustion chamber of the engine, and the plurality of electrodes are capable of generating an electric field in the combustion chamber. The electrodes of the present disclosure can be installed in the combustion chamber, and the electrodes can be controlled to output different voltages through an external electric field control device, so that electric fields can be generated between different electrodes. The electrodes are arranged at different positions in the engine combustion chamber to generate axial , Radial or oblique electric field, the output voltage of the external electric field control device and the control voltage change can realize the controllable electric field between the electrodes.
Description
Electrode for aero-engine and aero-engine composed thereof technical field The present disclosure belongs to aero-engine technical field, be specifically related to a kind of electrode for aero-engine and composition thereof aircraft engine. Background technique In terms of aero-engine control technology, the state control capability and continuous adjustment capability of the engine under different operating conditions [0002] It has an important impact on engine performance, life and reliability. With the development of engine control technology, the control components are reliable With the improvement of performance and the reduction of weight and volume, various advanced control technologies will be more and more widely used in different parts of the engine. pieces. However, in the control of the main combustion chamber, at present, only by adjusting the fuel pump, fuel valve, etc., the flow of fuel supply, The pressure is adjusted by the throttle, and the com...
Claims
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IPC IPC(8): F02C9/26F02C9/00F02C7/00
CPCF02C9/26F02C9/00F02C7/00Y02T50/60
Inventor 吴云柯王慧汝杨谦张良薛然然李瑞明柳伟杰黄夏苗辉
Owner AERO ENGINE ACAD OF CHINA
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