計算による燃料種ごとの火花点火機関性能の比較

概要

論文の詳細を見る
The performance of a spark ignition engine operated with various fuels was calculatedly estimated by the computer model. The difference of thermal efficiency and NO emissions among fuels was derived mainly from the difference of flame temperatures. The cycles operated on alcohols or paraffines yeild high thermal efficiency and low emissions of NO owing to their comparatively low flame temperatures. On the contrary, when acetylene, hydrogen or benzene is used as a fuel, the flame temperatures rise high enough to cause the deterioration of the efficiency because of thermal dissociation, resulting in fairly high emissions of NO, especially with lean mixtures. Provided that hydrogen is used under its stoichiometric mixture, the NO emissions are relatively low.
一般社団法人日本機械学会の論文
1990-03-25