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書誌事項

タイトル別名
  • Recent Problems on Exhaust Valves Trends of Fuel Diversification
  • サイキン ノ ハイキベン ノ ショ モンダイ ネンリョウ ノ タヨウカ ト コ
  • High Output and Low Fuel Consumption
  • ―燃料の多様化と高出力・低燃費化に対して―

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説明

Following to the recent trends of low fuel consumption, high output and fuel diversification such as heavy fuel use, diesel engine components are exposed under increased load and temperature.<BR>The components in the combustion chamber which are subjected to both thermal and mechanical load simultaneously are required higher reliability.<BR>In particular, exhaust valve which is one of the highest temperature components is subjected to more severe condition than others.<BR>The authors have studied to improve reliability of the exhaust valve used under above mentioned condition.<BR>In order to reduce mechanical stress, especially on valve head, FEM calculations as well as stress measurements have been conducted and an optimum shape of valve head was proposed.<BR>As for the corrosion resistance of exhaust valve used with heavy fuel, experiments have been made both in laboratory and on test engine.<BR>A Nimonic valve is one of the best solution, today, for both stresa resistance under high temperature and corrosion resistance.

収録刊行物

  • 日本舶用機関学会誌

    日本舶用機関学会誌 24 (8), 317-328, 1989

    公益社団法人 日本マリンエンジニアリング学会

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