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

A high temperature and 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: 2015-07-08
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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

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Embodiment Construction

[0029] In order to make the above objectives, features and advantages of this application more obvious and understandable, the application will be further described in detail below with reference to the drawings and specific implementations. The "left side" and "right side" in the following content only represent the present Apply for the "left" and "right" of the position shown in the examples.

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

[0031] In an embodiment of the present application, the air supply device includes a high-pressure air cylin...

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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] This application relates to the field of combustion technology of internal combustion engines, and in particular to a high temperature and high pressure single droplet evaporation and combustion device. Background technique [0002] The combustion process of a diesel engine is an unsteady combustion process with uneven mixing of 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 a key factor restricting the combustion speed of diesel engines. Furthermore, the mixing rate of oil and gas is restricted 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 mutual dissolution and intermixing technologies to support mixed fuels to improve fuel atomization and oil an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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