In reciprocating IC engines, very precise predictions of the mass of air inducted are required in order to improve engine design. To achieve this goal, a deeper knowledge of the boundary conditions on intake and exhaust manifolds must be obtained. A set of very accurate experimental data is also needed to perform model validation.In this paper an experimental activity was performed on a pipe test-rig which guarantees high reproducibility of the fluid-dynamic transients. Based on the obtained data, the authors introduced two parameters, which are able to improve the precision of the dynamic models of the flow past valves and through sudden enlargements.
Transient Phenomena in One-Dimensional Ducts
Sae Technical Papers
SAE 2001 World Congress ; 2001
2001-03-05
Conference paper
English
Transient phenomena in one-dimensional ducts
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