Fuel supercritical combustion test equipment

A combustion test and supercritical technology, which is applied in gas turbine engine testing, jet engine testing, etc., can solve the problems of constant compression ratio and short test time, and achieve the effects of improving safety, convenient and quick operation, and ingenious structural design

Inactive Publication Date: 2020-07-24
NORTH CHINA INST OF AEROSPACE ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a kind of fuel supercritical combustion test equipment. The structure design of the present invention is ingenious, and it is provided with a heavy piston stop device and an adjustment block for changing the compression ratio, so as to solve the problem of short test time and const

Method used

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  • Fuel supercritical combustion test equipment
  • Fuel supercritical combustion test equipment
  • Fuel supercritical combustion test equipment

Examples

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Embodiment Construction

[0051] Such as Figure 1-18 As shown, a fuel supercritical combustion test equipment includes a hydraulic propulsion device 1, a nylon plug 2, a heavy piston installation section 3, a compression tube 4, a compression tube support device 5, a compression tube thrust device 6, and a heavy piston backstop device 7. Experimental cabin 8, experimental cabin support device 9, steel rail 10, high pressure source 11, ball valve 12 and heavy piston 13, the hydraulic propulsion device 1, nylon plug 2, heavy piston installation section 3, heavy piston 13, compression tube 4 , the heavy piston stop device 7 and the experimental cabin 8 are arranged in sequence to form a test line, the heavy piston installation section 3 is provided with the nylon plug 2 near the side of the hydraulic propulsion device 1, and the heavy piston installation section The bottom of 3 communicates with the high pressure source 11 through a ball valve 12, the compression tube 4 is supported by two compression tu...

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Abstract

The invention discloses fuel supercritical combustion test equipment. The fuel supercritical combustion test equipment comprises a hydraulic pushing device, a nylon plug, a heavy piston mounting section, a heavy piston, a compression pipe, a compression pipe supporting device, a compression pipe thrust device, a heavy piston retaining device, an experiment cabin, an experiment cabin supporting device, a steel rail and a high-pressure source, wherein the nylon plug and the heavy piston are correspondingly arranged on the left side of the heavy piston mounting section and in a middle pipe; and the lower edge of the heavy piston mounting section is communicated with the high-pressure source below through a ball valve, the right side of the heavy piston mounting section is connected with the compression pipe, the compression pipe is supported by the compression pipe supporting device, the compression pipe thrust device is installed at the one-third position of the compression pipe and located through a thrust ring, and the heavy piston retaining device is connected with an experiment cabin. According to the fuel supercritical combustion test equipment, the retaining efficiency of the heavy piston and the safety in the retaining process are improved, the high stress strain at the moment of contact between the heavy piston and a retaining block is reduced, the service life of the heavy piston and the retaining block is prolonged, and the stability of the temperature and the pressure intensity of the experiment cabin in the test process is improved.

Description

technical field [0001] The invention relates to the technical field of test equipment, in particular to fuel supercritical combustion test equipment. Background technique [0002] Evaporation and combustion are fundamental problems in the working of rocket engines. Combustion characteristics affect the performance of rocket engines. Compared with subcritical conditions, fuel evaporation and combustion rates are greatly improved under supercritical conditions, and liquid fuels exhibit similar characteristics to gaseous fuels. Therefore, there are essential differences between subcritical and supercritical combustion. Generally, there are pressure and temperature conditions in the rocket engine combustion chamber for fuel to undergo supercritical combustion, so supercritical combustion is a typical combustion problem of rocket engines. [0003] Both the shock tube and the heavy piston driver are experimental devices that can generate uniform, high-temperature and high-pressur...

Claims

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Application Information

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IPC IPC(8): G01M15/14
CPCG01M15/14
Inventor 康会峰宣佳林刘志宾徐胜利边振君曹睿智杨宏宇王纯龙
Owner NORTH CHINA INST OF AEROSPACE ENG
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