車両用過給機タービンハウジングの熱応力予測技術の開発

書誌事項

タイトル別名
  • Development of Thermal Stress Analysis Technique for Turbine Housing of Turbocharger for Automobile
  • シャリョウヨウ カキュウキ タービンハウジング ノ ネツ オウリョク ヨソク ギジュツ ノ カイハツ

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抄録

Turbine housing of turbocharger for gasoline engine is required to reduce thermal stress to avoid low-cycle fatigue. On the other hand, it is also required to cut down its heat capacity to accelerate temperature rising of three-way catalyst. Thermal stress analysis technique by combining elastic-plastic analysis with conjugate heat transfer(CHT)analysis was developed to predict transient change of thermal stress by driving load and to design reliable light turbine housing. It is showed that this technique had sufficient accuracy compared to temperature measurement results. By using this technique, existence of excessive strain areas around waste gate port was predicted.

収録刊行物

  • ターボ機械

    ターボ機械 39 (12), 705-711, 2011

    一般社団法人 ターボ機械協会

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