热扩散率
Sign in to savephysical quantity that measures the rate of transfer of heat of a material from the hot side to the cold side
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Within Vinony's link graph, 热扩散率 is referenced by 93 other articles, and connects out to gold, copper and aluminium.
It sits within the topics Heat conduction, Heat transfer and Physical quantities.
Its subject is documented across 27 Wikipedia language editions.
Wikidata facts
- Subclass of
- thermodynamic material property
Show 3 more facts
- different from
- thermal conductivity
- studied by
- materials science
- maintained by WikiProject
- WikiProject Mathematics
via Wikidata · CC0
Article · 中文
在传热分析中，热扩散率（符号：，但注意、和都很常用）是热导率与容积热容之比。 其中： * ：热导率（单位：W/(m K)） * ：容积热容（单位：J/(m3K)） * ：密度（单位：kg/(m3)） * ：比热容（单位：J/(kg K)） 热扩散率的单位是m2/s。 对于普通的岩石来说， ~ 10-6 m2/s。在300K，空气的热扩散率是0.000024 m2/s。 对于空气的热扩散率与绝对温度之间的关系，参见[1]。
Abstract from DBpedia / Wikipedia · CC BY-SA
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