Abstract
Recent studies show significant differences in fuel consumption and exhaust emissions depending on the temperature of the intake air. We can say that the fuel consumption is improved with the decrease of air intake temperature regardless of engine speed. Because of the position in the engine compartment the intake is highly expose to thermal radiations from the cooling radiator, exhaust pipe and engine itself which is a disadvantage, the intake air it heated and the result is a lower density, thus containing less oxygen per volume unit than cold air. The purpose of the study is to obtain the data needed to thermally optimize the intake manifold. Based on the data about the shape and geometric dimensions of the intake manifold, the 3D model is generated. Temperature measurements are made at different points of the intake manifold and at various engine operating modes. Experimental data is used to generate the numerical model of airflow simulation through the intake manifold. The results obtained will highlight the air heater mode depending on the material and the position in the engine compartment of the intake manifold.
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Corneliu, BB., Sorin, R., Vasile, C., Adina, BB. (2019). Thermodynamic Study of Airflow Through the Spark Ignition Engine Intake Manifold. In: Burnete, N., Varga, B. (eds) Proceedings of the 4th International Congress of Automotive and Transport Engineering (AMMA 2018). AMMA2018 2018. Proceedings in Automotive Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-94409-8_76
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DOI: https://doi.org/10.1007/978-3-319-94409-8_76
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