Atomizing test constant-volume elastomer

A constant-volume projectile and projectile technology, which is applied in the direction of engine testing, machine/structural component testing, measuring devices, etc., can solve the problems of easy contact of oil-gas mixture with air, fuel temperature change of fuel injector, temperature rise of fuel injector, etc. Advanced problems, to achieve good image shooting effect, uniform airflow, and eliminate oil mist

Inactive Publication Date: 2011-01-12
BEIHANG UNIV
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Problems solved by technology

Most of the currently designed constant-volume projectiles are static systems, that is, nitrogen gas is filled into the constant-volume projectile before the experiment, and the projectile is airtight during the experiment. To prepare for the next experiment, there will be an interval between the two experiments. The experimental preparation work is repeated back and forth, and the experimental efficiency is low. After the single experiment is over, when the oil-gas mixture is processed, the oil-gas mixture is easily in contact with the air, which greatly improves the efficiency of the experiment. increased risk of experimentation
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  • Atomizing test constant-volume elastomer
  • Atomizing test constant-volume elastomer
  • Atomizing test constant-volume elastomer

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[0029] The present invention will be described in detail below in conjunction with the drawings.

[0030] The invention provides a spray test constant volume projectile, such as figure 1 As shown, it mainly includes: the main body of the projectile 1, the upper cover of the projectile body 2, the injector mounting seat 3, the fuel injector 4, the projectile body sealing plate 5, the quartz glass 6, the quartz glass flange 7 and the lower body cover 8 . The bullet body 1 is a hollow structure with a certain height, and has 2 to 4 openings in the circumferential direction. A piece of quartz glass 6 is fixed at each opening position through a quartz glass flange 7 to seal the openings. The upper shell cover 2 and the lower shell cover 8 are mechanically connected to the upper end and the bottom end of the shell body 1, respectively, the injector 4 is installed on the injector mounting seat 3, and the injector mounting seat 3 is installed at the center through hole of the upper cove...

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Abstract

The invention discloses an atomizing test constant-volume elastomer, which comprises an elastomer main body, an elastomer upper cover, an oil atomizer mounting seat, an oil atomizer, an elastomer sealing plate, quartz glass, a quartz glass flange and an elastomer lower cover. The atomizing test constant-volume elastomer can improve the experiment efficiency of an oil atomizer atomizing characteristic experiment considerably, increase the safety of the oil atomizer atomizing characteristic experiment and enhance the image photographing effect of the atomizing experiment, so that the accuracy of experiment analysis and the experiment quality are improved, the influences of the temperature of the atomizing test constant-volume elastomer on the oil atomizer temperature are reduced, the temperature of the oil atomizer is guaranteed to be equal to the atmosphere temperature, the atomizing characteristics of different oil atomizers can be tested and the applicability of the atomizing test constant-volume elastomer is improved.

Description

technical field [0001] The invention belongs to the technical field of internal combustion engines, and relates to a spray test constant volume projectile, in particular to a spray test constant volume projectile of an engine fuel injector. Background technique [0002] The spray characteristics of the engine injector is one of the important factors affecting the performance of the engine. For high-pressure direct injection engines, the spray characteristics of the injector have a great influence on the engine combustion and emission performance. Therefore, the engine injector The test of spray characteristics is of great significance to the design and development of engine combustion system. [0003] The constant volume projectile is a common device for testing the spray characteristics of engine injectors, and is used to quantitatively study the influence of various parameters on the spray characteristics of engine injectors. Most of the currently designed constant-volume...

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Application Information

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IPC IPC(8): F02M65/00
Inventor 杨世春郭斌李明徐斌崔海港曹耀光陈铁
Owner BEIHANG UNIV
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