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A Multifunctional Constant Volume Bomb for Visual Measurement of Spray and Combustion

A constant-volume bomb and multi-functional technology, applied in the field of internal combustion engine research, can solve problems such as damaged sensor threads, different mounting threads, and unusable sensors, so as to improve the sealing effect, uniform force in all directions, and improve test efficiency.

Active Publication Date: 2018-10-26
HARBIN ENG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to different test requirements, different sensors need to be used, and their mounting threads are often different; frequent replacement of sensors on the projectile may easily cause damage to the sensor threads, making the entire sensor unusable

Method used

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  • A Multifunctional Constant Volume Bomb for Visual Measurement of Spray and Combustion
  • A Multifunctional Constant Volume Bomb for Visual Measurement of Spray and Combustion
  • A Multifunctional Constant Volume Bomb for Visual Measurement of Spray and Combustion

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Embodiment Construction

[0041] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0042] The present invention provides a multi-functional spray and combustion visual measurement constant volume bomb, the schematic diagram of its appearance is as follows figure 1 As shown, it mainly includes: constant-volume projectile body 1 , adapter cover plate 2 and gas-mixing and pressure-stabilizing chamber 3 . The fixed-volume projectile can realize different optical paths and functions by installing different functional adapter covers to fix fuel injectors, electric heaters, quartz glass and other equipment. There is one air inlet 3a, eight air outlets 3b and one pressure gauge installation port 3c on the mixed air pressure stabilizing chamber, which are used to ensure the stability of the inlet pressure, such as figure 2 shown.

[0043] The structure diagram of the constant volume projectile body is as follows image 3...

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Abstract

The invention provides a functional spraying and combustion visualization measuring constant volume bomb. The constant volume bomb includes a bomb body and 6 windows provided on the bomb body. The axes of all windows intersect at the center of the constant volume bomb so as to form a measurement region. The windows can be provided with adaptive covers having different functions. The constant volume bomb is designed to have multiple sealing, such that the constant volume bomb can withstand extreme pressure and temperature loads, and the large range of warm pressing can be adjusted. The constant volume bomb is designed to have adaptors which ensure the constant volume bomb can use various types of sensors. The bomb body is provided with a plurality of air inlet guide holes thereon, which can ensure stabilization of air inlet pressure and keep the measurement region unaffected, and also keep quartz windows from being polluted by oil mist and combustion products, thus achieving on-going measurement. According to the invention, the constant volume bomb can provide flexible light path arrangement for one or a group of multiple measurement technologies of shadow / schlieren, laser induced flourescense, particle imaging velocity measurement and spectrum temperature measurement, etc. The constant volume bomb has tight structure, can research spray atomization, evaporation, air blending, gas mixture distribution, combustion and process product characteristics, etc, has a wide range of measurement parameters, and has universality.

Description

technical field [0001] The invention relates to a constant-volume bomb for multifunctional spray and combustion visualization measurement, which belongs to the field of internal combustion engine research. Background technique [0002] The ever-increasing emission standards and increasingly severe energy crisis pose new challenges to engine technology, and the fuel injection, evaporation, mixing, and combustion processes in the engine cylinder have significant impact on the power, economy, and emission characteristics of the entire engine. crucial impact. Therefore, only by fully grasping the characteristics of fuel spray and combustion can we realize the precise control of the entire combustion process in the engine cylinder, solve the contradiction between the economy and emission of diesel engines, and provide support for the basic research of engine combustion theory and the development of new combustion systems to achieve energy saving. emission reduction goals. [00...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M15/04
CPCG01M15/04
Inventor 董全黄涛蔡志勇王德玉李越陶锋赵纬
Owner HARBIN ENG UNIV
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