Why are the cooling fins at the back of a refrigerator painted dull black?
Please use Eng asy and then Chinese explanation
有關Phy
2008-03-15 6:51 am
回答 (1)
2008-03-15 4:36 pm
✔ 最佳答案
the absorption rate and emission rate of heat is more in black object.so the cooling fins of the refrigerator is painted black to make
the emission of heat faster.
黑色物件有較強的吸熱和散熱能力, 所以雪柜的散熱氣是油黑的.
這樣能令熱氣較快散去.
收錄日期: 2021-04-29 20:24:47
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080314000051KK03162