アルゴンクローズドサイクル水素エンジンの研究

（第5報：予混合燃焼時のサイクル間変動による冷却損失解析）

抄録

Near the future, environmental regulations for automobiles are being tightened toward zero CO₂. This engine has no exhaust, it is expected to be useful power sources in the future. The working gas can be freely selected due to the characteristics of the non-exhaust engine. In this study, argon was used because of its high efficiency. In the previous report, it was found that the cooling loss due to the characteristics of hydrogen combustion and the high temperature by the application of argon are issued for improving efficiency. In this report, to further improve the efficiency, a more detailed combustion analysis was conducted for the period that is dominant in cooling loss, the useful index of cooling loss was confirmed, and the cooling loss was evaluated.