Heat Insulation by Temperature Swing in Combustion Chamber　Walls (Fifth Report)

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  • 壁温スイング遮熱法によるエンジンの熱損失低減（第５報）
  • 壁温スイング遮熱法によるエンジンの熱損失低減(第5報)運転条件の影響解析
  • ヘキオン スイングシャネツホウ ニ ヨル エンジン ノ ネツ ソンシツ テイゲン(ダイ5ホウ)ウンテン ジョウケン ノ エイキョウ カイセキ
  • ― 運転条件の影響解析―
  • - Influence of Engine Operating Condition -

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The purpose of this research is to improve engine thermal efficiency, by reducing cooling loss through combustion chamber walls, with a new concept heat insulation methodology called "TSWIN (Thermo-Swing Wall Insulation Technology)". In the former report (3rd report), "SiRPA (Silica Reinforced Porous Anodized Aluminum)" was developed and applied on the top surface of the Diesel piston. A series of cycle simulation revealed the mechanism of thermal efficiency improvement by SiRPA. Then the influence of engine operating condition for fuel efficiency improvement was confirmed by 1-dimensional heat transfer simulation and surface temperature measurement.

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