首页> 外文会议>Space Technology amp; Applications International Forum (STAIF-99) ptol January 31-February 4, 1999, Albuquerque Hyatt Hotel, NM >Enhanced thermal conductance of ORU radiant fin thermal interface using carbon brush materials
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Enhanced thermal conductance of ORU radiant fin thermal interface using carbon brush materials

机译:使用碳刷材料增强ORU散热片热界面的导热性

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ESLI has developed a highly compliant carbon brush thermal interface with good conductive heat transfer during a Phase 2 SBIR contract with NASA JSC. This lighweight brush can be retrofitted to the radiant fin thermal interface (RFTI), baselined as the interface for the International Space Statoion (ISS) Oribital Replaceable Units (ORU's), without changing the fin structure. Radiant heat transfer is thereby augmented by conductive heat transfer, drametically increasing total thermal conductance of the interface. ESLI is now addressing critical issues concerning its actual se on the ISS in a Phase 3 prgram. These issues includecarbon fiber debris, mechanical and thermal integrity, mechanical insertion and removal forces, and optimization for best thermal performance. Results thus far are encouraging. In this paper, thermal conductance and insertion/extraction force measurements on prototype specimens are presented.
机译:ESLI在与NASA JSC的第2阶段SBIR合同期间开发了一种高度兼容的碳刷热界面,具有良好的传导热传递。这种轻巧的刷子可以改装为散热鳍片热界面(RFTI),作为国际空间站(ISS)Oribital可更换部件(ORU)的界面基线,而无需更改鳍片结构。辐射热传递因此通过传导性热传递而增加,从而急剧增加界面的总热导率。 ESLI现在在第3阶段计划中解决有关其在ISS上的实际问题的关键问题。这些问题包括碳纤维碎屑,机械和热完整性,机械插入和移除力以及最佳热性能的优化。迄今为止的结果令人鼓舞。在本文中,介绍了对原型样品的热导和插入/拔出力的测量。

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