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Study on Improving the Efficiency of Supercharging Lean Burn LPG Engine by Optimizing Compression Ratio and Distribution Phase

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4 Author(s)
Dawei Qu ; State Key Lab. of Automobile Dynamic Simulation, Jilin Univ., Jilin, China ; Jun Li ; Ying Gao ; Changqing Song

In this paper, the engine optimal matching is done to improve the efficiency of supercharging lean burn LPG engines by optimizing the compression ratio and the distribution phase of camshaft. The gas consumption and emissions of LPG engine are reduced. A whole engine model is set up on one-dimensional simulation software. The optimal compression ratio is determined by comparing the simulation computed results and bench experimental results under different compression ratios. The exhaust advance angle and valve overlap angle are optimized on the basis of successive optimization method and demonstrated in experiments.

Published in:

Power and Energy Engineering Conference (APPEEC), 2010 Asia-Pacific

Date of Conference:

28-31 March 2010

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