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A high temperature pure air test system for scramjet

A scramjet and test system technology, applied in the direction of ramjet engines, engine components, machines/engines, etc., can solve problems such as the inability to provide gas, reduce the risk of high-pressure over-limit equipment, reduce system complexity and cost, The effect of small pipe sizes

Active Publication Date: 2021-11-02
XIAN AEROSPACE PROPULSION INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The invention provides a scramjet high-temperature pure air test system, which solves the problem that the prior art cannot provide long-term safe and reliable operation of the three stages of gas preheating, pressurized heat exchange and direct connection test operation, thereby generating The problem of high temperature pure air simulating incoming flow

Method used

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  • A high temperature pure air test system for scramjet
  • A high temperature pure air test system for scramjet
  • A high temperature pure air test system for scramjet

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Embodiment Construction

[0050] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0051] In the description of the present invention, it should be noted that the terms "first" and "second" are used for description purposes only, and should not be understood as indicating or implying relative importance.

[0052] In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be interpreted in a broad sense, for example, it can be a fixed connection or a flexible connection. D...

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Abstract

The invention discloses a scramjet high-temperature pure air test system, which comprises a low-pressure air supply unit, an oxygen supply unit, a nitrogen supply unit, a high-pressure air supply unit, a natural gas supply unit, a gas generator, and a regenerative heater , circulating cooling water supply unit, gas discharge unit, direct connection test device and test exhaust discharge unit; through the combined use of the above units, the three stages of gas preheating, pressurized heat exchange and direct connection test operation have been realized for a long time. Safe and reliable run.

Description

technical field [0001] The invention relates to a high-temperature pure air test system and a safety control method, in particular to a regenerative high-temperature pure air test system and a safety control method that can be adjusted in a wide range of working conditions. High temperature and high pressure pure air required. Background technique [0002] Scramjet directly connected test benches mostly adopt pollution heating methods such as combustion heating or arc heating. However, there are many differences between the ground test performance of the gas generator or arc heating method using methane, hydrogen, alcohol, kerosene and other fuels and the performance of the actual pure air flow in the scramjet engine, mainly due to the simulation. The stream contains H 2 O.CO 2 And components such as NOx will produce "pollution effect". [0003] Based on the defects of the existing scramjet direct-connection test bench, it has become a development trend to use high-tempe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02K7/10F02C7/00F02C7/057F02C7/12
CPCF02C7/00F02C7/057F02C7/12F02K7/10
Inventor 王勇陈宏玉李龙飞洪流边东伟陈波李东育
Owner XIAN AEROSPACE PROPULSION INST
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