Departmental Bulletin Paper 管内進行火炎の予混合気噴射による燃焼改善に関する研究

神, 義幸

57pp.1 - 8 , 2016-03-24 , 法政大学大学院 理工学・工学研究科
ISSN:2187-9923
Description
Recent years, the global warming and the global energy problems become more serious. In practical internal combustion engine, it is necessary to achieve low emissions and low fuel consumption with high load operation. It is well known that reducing the emissions and fuel consumption are very useful technique such as Ultra-lean ombustion near the lean flammability limit. Nevertheless, there are only few data for combustion improvement for Ultra-lean combustion. As the first step in this study, experiments have been carried out to determine the influence of the premixed mixture injection and injection timing on combustion behavior near lean limit for flame propagation in a tube. The main conclusions are as follow; 1) The flame speed by using injection of premixed mixture to flame front is higher than laminar flame propagation. 2) The most suitable conditions exist for combustion improvement near the flammability limit by using premixed mixture injection. Key Words : Turbulent Flow, Premixed Flame, Lean Burn
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http://repo.lib.hosei.ac.jp/bitstream/10114/12311/1/14R1121%e7%a5%9e%e7%be%a9%e5%b9%b8.pdf

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