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A simulation study on the effect of inlet valve opening on performance of high speed engines
conference contribution
posted on 2014-08-20, 10:57 authored by Dimitar Nouhov, Rui ChenVariable camshaft phasing (VCP) system is a potential valvetrain technology for high speed engine applications since it does not
increase the effective valve dynamic mass, which is essential to high speed operation. In addition, it is a relatively simple and low cost
system. Inlet Valve Opening (IVO) is the start of valve overlap. It has significant effect on engine breathing. As part of a general
assessment on the VCP system, such an effect was calculated and analysed using a zero- and one- dimensional based commercial engine
simulation package, Lotus Engineering Simulation (LES) and reported in this paper. The simulation was based on a 0.6l, 4-cylinder,
4-stroke, high speed (up to 13500rpm), production spark ignition engine. It was found that IVO can either improve the utilisation of inlet
charging effect or reduce backflow during the valve overlap period caused by speed related wave effects from the exhaust manifold.
History
School
- Aeronautical, Automotive, Chemical and Materials Engineering
Department
- Aeronautical and Automotive Engineering
Published in
Proceedings of the 17th Internal Combustion Engine Symposium Proceedings of the 17th Internal Combustion Engine SymposiumPages
149 - 152Citation
NOUHOV, D. and CHEN, R., 2002. A simulation study on the effect of inlet valve opening on performance of high speed engines. In: Proceedings of 2002 17th JSAE Internal Combustion Engine Symposium, Tokyo, Japan, pp. 149-152.Publisher
© Society of Automotive Engineers of JapanVersion
- AM (Accepted Manuscript)
Publisher statement
This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/Publication date
2002Publisher version
Book series
JSAE Paper;20026076Language
- en