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Experimental Methodology and Numerical Simulation of Intake Valves Discharge Coefficients for a Single Cylinder Research Engine
Technical Paper
2015-36-0267
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The design and development of highly efficient internal combustion engines require a thorough investigation of the fluid dynamic processes. This paper presents the experimentally determination and computational fluid dynamics simulations of the intake valves discharge coefficients of a four valve spark-ignition single cylinder research engine. The mass flow rate and air pressure were measured directly in the intake port for six different values of valve lift (4.68; 6.16; 7.48; 8.62; 9.46; and 10.49mm). The theoretical mass flow rates were obtained based on considerations of subsonic flow. Simulations were carried using the Star CCM+ commercial code. Mesh independence studies, using the velocity fields as monitors, have been made for reliability of the simulations. As a result, a methodology was successfully implemented to obtain the discharge coefficients experimentally and the simulations were validated with a maximum deviation of 6.62%.
Authors
- Roberto Berlini Rodrigues da Costa - Technology Center of Mobility - UFMG
- Rafael Lara Franco - Technology Center of Mobility - UFMG
- Carlos Alberto Gomes - Technology Center of Mobility - UFMG
- Raniro de Oliveira Alvarenga Coelho - Technology Center of Mobility - UFMG
- Ramón Molina Valle - Technology Center of Mobility - UFMG
Topic
Citation
da Costa, R., Franco, R., Gomes, C., Coelho, R. et al., "Experimental Methodology and Numerical Simulation of Intake Valves Discharge Coefficients for a Single Cylinder Research Engine," SAE Technical Paper 2015-36-0267, 2015, https://doi.org/10.4271/2015-36-0267.Also In
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