Theoretical and experimental investigation of effect of valve timing on volumetric efficiency in an IC engine Online publication date: Fri, 15-Aug-2003
by Ridvan Arslan, Irfan Karagoz, Ali Surmen,
International Journal of Vehicle Design (IJVD), Vol. 26, No. 2/3, 2001
Abstract: Volumetric efficiency is a typical parameter that is effected by almost all constructive, aerodynamic and thermal parameters through a simple or complicated relation. In this study, the effect of valve timing, which is a highly dynamic parameter, has been investigated. Beside the original one, thirteen new camshafts have been produced without changing the angles that valves are open. New camshafts are then produced by shifting the valve-open period. All camshafts are used to determine volumetric efficiency at various engine speeds.
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