Visualized high temperature and high pressure combustion device

A combustion device, high temperature and high pressure technology, applied in the direction of gas turbine engine testing, jet engine testing, etc., can solve the problems of easy damage of optical glass, small visual window, unstable work, etc., to achieve convenient processing, reduce replacement frequency and maintenance cost low effect

Active Publication Date: 2017-08-22
SHANGHAI JIAO TONG UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

At the same time, it solves the problems that the traditional combustion device cannot work stably for a long time ...

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  • Visualized high temperature and high pressure combustion device
  • Visualized high temperature and high pressure combustion device
  • Visualized high temperature and high pressure combustion device

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Embodiment Construction

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments.

[0024] figure 1 It is a schematic diagram of the visualized high-temperature and high-pressure combustion device of the present invention, figure 2 It is a sectional view of the visualized high-temperature and high-pressure combustion device of the present invention; figure 1 and figure 2 , the visualized high-temperature and high-pressure combustion device of the present invention includes a combustion bomb main body 1, a glass assembly 2, a high-temperature transition section 3, a constant-pressure transition section 4, a cooling copper pipe 5...

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Abstract

The invention discloses a visualized high temperature and high pressure combustion device which comprises an incendiary bomb body, a glass assembly body, a high temperature switching section, a constant voltage switching section and a cooling copper pipe. The high temperature switching section and the constant voltage switching section are used together, and the pressure of a main combustion chamber is shared on two ways of glass. The use temperature of the glass is reduced. The maximum use pressure of the combustion device and the visualized window area are improved. According to the invention, the modular design of an optical window is used; the demolition frequency and the installation time of the optical glass are reduced; the service life of the optical glass is effectively improved; the replacement frequency of a sealing gasket is reduced; all sealing parts are non-cooled sealing; the construction is simple; the processing and installation are convenient; continuous testing under high temperature and high pressure conditions are realized; engine combustion and exhaust gas recirculation processes can be simulated, and visualized research is carried out; and a schlieren method, a laser absorption and scattering method, laser induced fluorescence and other test methods are carried out on air-fuel mixture, evaporation, combustion, soot generation and the like.

Description

technical field [0001] The invention relates to the field of high-pressure combustion research, in particular to a visualized high-temperature and high-pressure combustion device. Background technique [0002] Research on engines with wide fuel source, high efficiency, low pollution, low noise and easy maintenance is of great significance for energy saving, emission reduction and environmental protection. In order to fully explore the combustion potential of the engine and study its exhaust gas recirculation and other processes, a visual combustion device is essential. At present, the combustion spray experimental devices developed by laboratories and research institutes in various countries mainly include: fast compressors, constant pressure flow combustion devices, preheating type constant volume bombs, precombustion type constant volume bombs, and optical engines; however, although there are There are many documents and patents on constant volume bombs and optical engine...

Claims

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Application Information

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IPC IPC(8): G01M15/14
CPCG01M15/14
Inventor 李铁周昕毅张志飞黄帅
Owner SHANGHAI JIAO TONG UNIV
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