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11. Nov. 2019 · Abstract The vaporization of the fuel film after spray/wall impingement dramatically affects the combustion and emission behaviors in engines. In this study, the formation and vaporization characteristics of the fuel film were investigated by injecting diesel fuel from a single-hole injector onto a high-temperature, rough wall. The film thickness was measured using the refractive index ...
AA fuel film model has been developed and achieve desirable air-fuel mixing and combustion, the implemented into the KIVA-II code to help account for fuels are sprayed in either the carburetor, port, pre- fuel distribution during combustion in diesel engines. chamber, or directly in cylinder. In all these designs, the.
5. Dez. 2023 · The fuel-film measurements show that both the amount of fuel deposited on the piston and the shape of the fuel-film patterns are strongly influenced by the injection timing, duration, intake pressure, and coolant temperature. For combinations of high in-cylinder gas density and long injection duration, merging of the individual spray plumes, commonly referred to as spray collapse, can cause a ...
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22. Nov. 2017 · Tracer LIF has also been used to investigate liquid fuel films in internal combustion engines . Beside the fuel film on the piston crown [1, 2, 16], the fuel wall wetting on the cylinder liner was visualized with LIF [17, 18]. In addition to the imaging of liquid fuel films, the imaging of oil in optical engines with LIF is also well-known. For ...
19. Sept. 2021 · A film of liquid fuel may be formed by using a pot, a centrifugal spinner or a rotating cup and a wick. With this definition, a wick burner may also be classified under the category of a vaporizing burner. Typically asbestos or ceramic wicking agents are used in vaporizing burners to produce a fuel film. Sufficient amount of oxidizer is provided into the combustion chamber by using natural or ...
24. Okt. 2023 · ISSN: 0148-7191. e-ISSN: 2688-3627. Liquid fuel attached to the wall surface of the intake port, the piston and the combustion chamber is one of the main causes of the unburned hydrocarbon emissions from a port fueled SI engine, especially during transient operations. To investigate the liquid fuel film formation process and fuel film.
