Internal combustion power visualization test and evaluation system
A technology for evaluating systems and combustion power, applied in the direction of internal combustion engine testing, etc., can solve the problems of restricting new ventilation methods, oil-gas mixing methods, and the inability to flexibly organize turbulent flow movements, and achieve the effect of improving performance
Active Publication Date: 2022-01-18
ZHONGBEI UNIV
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The traditional power system visual test platform is limited by the limitation of the piston movement mode, and cannot flexibly organize various forms of turbulent flow movements such as eddy current, tumble flow, squeeze flow, etc. Research
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[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0021] It should be noted that, in this document, the terms "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or apparatus. without further restrictions. An element defined by the phrase...
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The invention provides an internal combustion power visualization test and evaluation system, belongs to the technical field of power system performance test, and is used for realizing test research of a ventilation process and an oil-gas mixing process of a piston type internal combustion power system in various motion forms. According to the internal combustion power visualization test and evaluation system, a high-speed photography method and a tracer particle body method are adopted, the ventilation process and the mixing process of internal combustion power systems of different motion types are studied, physical field changes such as flow field distribution and mixed flow of multi-component components in the ventilation process and the mixing process of the internal combustion power systems and basic macroscopic parameters such as temperature and pressure are obtained, the air exchange performance and the mixing effect of the internal combustion power system under different conditions can be comprehensively evaluated, and meanwhile, a test basis can be provided for design optimization of an air exchange system and a fuel injection system, so that the performance of the internal combustion power system is further improved.
Description
technical field [0001] The invention belongs to the technical field of power system performance testing, in particular to an internal combustion power visualization test and evaluation system, which is used to realize the visualization test of the ventilation performance of an opposed-piston engine in various piston operation forms. Background technique [0002] In the context of international carbon neutrality, the development of efficient, low-carbon, and environmentally friendly power systems has become the key to satisfying national production and social development. Existing power systems mainly use fluid (liquid and gas) as fuel, which benefits from the convenience of fuel supply and combustion organization of fluid fuel. The most direct way to apply fluid fuel is to mix it with air in the power system, so as to ignite and burn, and push the machine to do volume work through the expansion of high-temperature gas. The core of the power system using liquid and gas as fu...
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IPC IPC(8): G01M15/05
CPCG01M15/05
Inventor 杨伟李峰马富康张家宁赵阳阳冀雯晶
Owner ZHONGBEI UNIV