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High-temperature and high-pressure single-drop evaporating and burning device

A high-temperature, high-pressure, combustion device technology, applied in fuel testing, material inspection, etc., can solve the problem of inability to study the evaporation and combustion characteristics of tiny droplets

Inactive Publication Date: 2013-09-18
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] This application provides a high temperature and high pressure single droplet evaporation and combustion device to solve the problem that the existing technology cannot study the evaporation and combustion characteristics of tiny droplets

Method used

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  • High-temperature and high-pressure single-drop evaporating and burning device
  • High-temperature and high-pressure single-drop evaporating and burning device

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Embodiment Construction

[0029] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. The "left side" and "right side" in the following content only represent the The "left side" and "right side" of the illustrated positions in the application examples.

[0030] figure 1 It is a structural schematic diagram of a high temperature and high pressure single droplet evaporation and combustion device described in the embodiment of this application. Such as figure 1 As shown, a high temperature and high pressure single droplet evaporation and combustion device includes: gas supply device, combustion evaporation projectile 15, single droplet generator 7, single droplet generator cooling device, control unit 13 and computer 14.

[0031] In an embodiment of the present application, t...

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Abstract

The invention provides a high-temperature and high-pressure single-drop evaporating and burning device. The high-temperature and high-pressure single-drop evaporating and burning device comprises a gas supplying device, a burning and evaporating projectile body (15), a single-drop generator (7), a single-drop generator cooling device and a control unit (13), wherein the burning and evaporating projectile body (15) is connected with the gas supplying device; the single-drop generator (7) and the single-drop generator cooling device are positioned at the upper part of the burning and evaporating projectile body (15); the control unit (13) is connected with the burning and evaporating projectile body (15) by a wire; the single-drop generator (7) comprises a piezoelectric piece type sprayer inside; the single-drop generator cooling device comprises a water pump (8) connected with the single-drop generator (7) and a thermocouple wire temperature sensor (9) positioned in the single-drop generator (7). The high-temperature and high-pressure single-drop evaporating and burning device provided by the invention has the advantage that the research for micro-drop evaporating and burning characteristics can be realized.

Description

technical field [0001] The present application relates to the technical field of internal combustion engine combustion, in particular to a high-temperature, high-pressure single-droplet evaporation and combustion device. Background technique [0002] The combustion process of a diesel engine is an unsteady state combustion process with heterogeneous two-phase flow, mainly diffusion combustion. The chemical reaction of the combustible mixture in the high-temperature and high-pressure combustion chamber is very fast, while the mixing speed of diesel and air is much slower, which is the key factor restricting the combustion speed of diesel engines. Furthermore, the mixing rate of oil and gas is limited by the evaporation rate of diesel droplets injected into the cylinder. In order to improve the characteristics of fuel atomization, scholars at home and abroad have adopted miscible and intermixing technologies to support mixed fuel, so as to improve the atomization of fuel and t...

Claims

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Application Information

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IPC IPC(8): G01N33/22
Inventor 韩恺马世博付耿史建伟
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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