Investigation of the Thermal Stress that Influences the Fatigue Life of VH3 Compressed-Hydrogen Tank

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  • 自動車用圧縮水素容器（VH3）の疲労寿命に影響を及ぼす熱応力の調査
  • ジドウシャヨウ アッシュク スイソ ヨウキ VH3 ノ ヒロウ ジュミョウ ニ エイキョウ オ オヨボス ネツ オウリョク ノ チョウサ

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Abstract

In the case of a hydrogen gas cycle, the gas temperature rises by filling, and temperature falls by discharge. On the other hand, a hydraulic pressure cycle is conducted at a constant temperature. We investigated the stress state of VH3 compressed-hydrogen tank when environmental temperature and filling pressure are changed. As a result, it is revealed that the stress range of the hydraulic pressure cycle is larger than the gas cycle by heat stress.

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