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木虫 (小有名气)

[求助] 已知材料的密度,比热,热传导率 ,厚度,如何计算热传导系数? 已有1人参与

已知材料的密度,比热,热传导率 ,厚度,如何计算热传导系数
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hmudqzj: 金币+10, ★★★很有帮助 2018-11-01 20:04:16
φ=-λA*(dt/dx)计算
其中φ为热流量,λ为导热系数,A为传热面积,dt表示微元厚度两面的的温差,dx表示微元厚度。
2楼2018-09-14 11:16:37
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