THERMAL PROPERTIES OF DOUBLE-ALUMINIZED KAPTON AT LOW TEMPERATURES
THERMAL PROPERTIES OF DOUBLE-ALUMINIZED KAPTON AT LOW TEMPERATURES
复制标题
双镀铝KAPTON的低温热性能
DOI：
10.1063/1.2900367
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发表时间：
2008
期刊：
影响因子：
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通讯作者：
M. Sumption
中科院分区：
文献类型：
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作者：
J. Tuttle;M. DiPirro;E. Canavan;T. Hait;U. Balachandran;Kathleen Melanie Amm;David Evans;Eric Gregory;Peter Lee;Mike Osofsky;S. Pamidi;Chan Park;Judy Wu;M. Sumption
双镀铝Kapton（DAK）通常用于低温系统中的多层绝热层。NASA计划在携带仪器的卫星的轻型可展开屏蔽中使用单独的DAK板。一套这样的防护罩将反射掉来自太阳、地球和仪器暖侧的热辐射，并允许仪器冷侧将其自身的热量辐射到深空。为了优化设计这样的屏蔽系统，重要的是要了解低至低温的DAK的热特性。我们描述的实验测量的热导率和电阻率下降到4开尔文和发射率下降到10开尔文。
Double‐aluminized kapton (DAK) is commonly used in multi‐layer insulation blankets in cryogenic systems. NASA plans to use individual DAK sheets in lightweight deployable shields for satellites carrying instruments. A set of these shields will reflect away thermal radiation from the sun, the earth, and the instrument's warm side and allow the instrument's cold side to radiate its own heat to deep space. In order to optimally design such a shield system, it is important to understand the thermal characteristics of DAK down to low temperatures. We describe experiments which measured the thermal conductivity and electrical resistivity down to 4 Kelvin and the emissivity down to 10 Kelvin.