Affiliation:
1. Mazda Motor Corporation Graduate School of Engineering, Toho
2. Mazda Motor Corporation
3. Institute of Fluid Science, Tohoku University
Abstract
<div class="section abstract"><div class="htmlview paragraph">To achieve higher thermal efficiency for spark- ignition (SI) engines, advanced rapid combustion technology under high compression ratio is needed. The results of single-cylinder preliminary engine tests using E.U. commercial fuel at 96 RON show that the higher the compression ratio, the faster the combustion speed. Additional engine test and computations using S5R five-component surrogate gasoline with reliable chemistry under various temperature and pressure conditions implied that the autoignition assisted flame played significant role under higher compression ratio conditions, i.e., high temperature and pressure conditions, where apparent increases in laminar flame speeds compared to conventional combustion.</div></div>
Publisher
Society of Automotive Engineers of Japan
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