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  • Summary & Details

Energy-saving technology for contact thermal resistance that can improve power performance by 20%

動力性能20%向上可能な接触熱抵抗の省エネ技術

Detailed Information

Category(J)PPT資料

Translation

Category(E)PPT slides
Author(J)1) 篠田 卓也
Author(E)1) SHINODA Takuya
Affiliation(J)1) 株式会社デンソー
Affiliation(E)1) DENSO CORPORATION
Abstract(J)筐体接触部に熱抵抗が存在することで、金属同士の伝熱の妨げになっている。特に、二つのねじ穴で挟まれた中間領域では筐体同士が変形し隙間ができるため、接触面積が小さくなり、接触熱抵抗が増加する現象が見られる。現物の接触伝熱を検討するには、うねりを考慮した接触熱抵抗を定量的に評価する必要がある。

Translation

Abstract(E)The presence of thermal resistance in the housing contact portion hinders heat transfer between the metals. In particular, in the intermediate region sandwiched between the two screw holes, the housings are deformed to form a gap, so that the contact area becomes smaller and the contact thermal resistance increases. In order to study the actual contact heat transfer, it is necessary to quantitatively evaluate the contact thermal resistance considering the swell.

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