Gas-liquid component high chamber-pressure large-range variable working condition combustor
A large-scale, variable-working-condition technology, applied in the direction of combustors, jet propulsion devices, machines/engines, etc., can solve problems such as insufficient capacity for small-scale variable working conditions, low thrust, low chamber pressure, etc., to achieve good performance and ensure cooling , The effect of simplifying the structure and process
Active Publication Date: 2012-05-23
NO 11 INST OF NO 6 ACADEMY OF CHINA AEROSPACE SCI & TECH
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Problems solved by technology
[0003] The purpose of the present invention is to provide a new gas-liquid component burner with high chamber pressure and wide range of variable working conditions, which solves the technical problems of the existing gas-liquid component burner with low chamber pressure, low thrust, and insufficient ability to change working conditions in a small range
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[0028] figure 1 Shown is a half-sectional structure diagram of the gas-liquid component high-chamber pressure large-range variable-condition combustor of the present invention. The combustor is composed of an injector and a nozzle, and the injector and the nozzle are connected by a flange 6. The volume of the oxidant liquid collection chamber composed of the oxidant inlet pipe 1 and the gas-liquid dual-component nozzle 2 should be as small as possible. The baffle of the combustion chamber can increase the flow rate of the combustion agent, thereby cooling the injector panel.
[0029] Such as figure 2 with image 3 As shown, the oxidant inlet pipe 1, the combustion agent inlet pipe 3, the gas-liquid dual-component nozzle 2 and the combustion agent chamber 4 constitute an injector, which includes an oxidant direct-flow nozzle 5, three combustion agent self-driving direct-flow nozzles 21, Twelve combustion agent direct-flow nozzles 22, and the combustion agent direct-flow nozzles 2...
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The invention relates to a gas-liquid component high chamber-pressure large-range variable working condition combustor which comprises a spray injector, a spray pipe and an electric spark igniter, wherein the spray injector comprises an oxidizing agent inlet pipe, a combustion agent inlet pipe, a gas-liquid bi-component nozzle, a spray injector panel and a combustion agent cavity, the gas-liquid bi-component nozzle comprises a throttle hole, the spray injector panel, an oxidizing agent direct flow nozzle and three combustion agent self-striking direct flow nozzles, wherein the oxidizing agentdirect flow nozzle is arranged in the middle part of the gas-liquid bi-component nozzle and is provided with an opening in the center of the spray injector panel; the three combustion agent self-striking direct flow nozzles are arranged on the side wall of the oxidizing agent direct flow nozzle; the throttle hole is arranged between the oxidizing agent inlet pipe and the oxidizing agent direct flow nozzle; the combustion agent cavity is a liquid cavity surrounding the external circumference of the oxidizing agent direct flow nozzle; and a plurality of combustion agent direct flow nozzles are arranged on the spray injector panel. The invention solves the technical problems of low chamber pressure, low thrust and insufficient small-range variable working condition capability of the traditional gas-liquid component combustor, and relatively high residual oxygen coefficient in the center and relatively low residual oxygen coefficient in a circumferential direct flow nozzle region are realized.
Description
Technical field [0001] The invention relates to a burner. Background technique [0002] In the prior art, the combustor using the propellant as a gas-liquid component is supplied in a propellant extrusion mode, so the ability to change working conditions is also weak. The extrusion method is not suitable for high chamber pressure, so it is necessary to study the combustor with high chamber pressure and wide range of variable conditions. Summary of the invention [0003] The purpose of the present invention is to provide a new type of gas-liquid component combustor with high chamber pressure and large-range variable operating conditions, which solves the technical problems of low chamber pressure, low thrust, and insufficient ability of small-range variable operating conditions of the existing gas-liquid component combustor . [0004] The technical solution of the present invention is: [0005] A gas-liquid component high-chamber pressure wide-range variable working condition combus...
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IPC IPC(8): F02K9/52F23D17/00
Inventor 刘永兴段增斌张金容韩俊峰杨小利李宝荣王魁丰雪平孙永奇
Owner NO 11 INST OF NO 6 ACADEMY OF CHINA AEROSPACE SCI & TECH