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1 化工裝置（上）
cc Ϟ Ԭ ʈ ɪ ٙ ਪ ᕚ ೌ ج ˸ ଣ ሞ א ᅰ ኪ ˙ ό ༆ Ӕd ̀ Դ ͜ Ϊ ϣ ʱ ؓ
dimensional analysis˙جdਗ਼ልᕏਪᕚԸᔊʷdԨਗ਼ϞᗫᜊᅰᓥॶdҖϓೌΪ
ϣ໊d˸༆Ӕʈɪʘᗭᕚf
cc੬ԈೌΪϣ໊νɨהࠑj
ρuD ࿕ɢ
cc1. ཤፕᅰReynolds numberdRe= μ p = ᓂɢ
c
ࠑݴί၍ʫٙݴאଢίݴʕٙਗܓdρ މݴܓdu މݴ
̻ѩݴאଢܓdD މ၍ࢰאଢࢰdμ މݴᓂܓf
p
C μ ݴਗඎஷඎ
cc2. ౷ᚆܓᅰPrandtl numberdPr= p =
c
k ෂኬᆠஷඎ
ࠑݴٙᆠሯdܼ̍ˢᆠၾᆠෂኬڷᅰdC މݴˢᆠdk ݊ݴᆠෂ
p
ኬڷᅰf
hD ݴ࿁ݴஷඎ
cc3. ॶ෦ᅰNusselt numberdNu= =
k ෂኬᆠஷඎ
c
ࠑݴ࿁ݴᆠෂڷᅰdh މ࿁ݴᆠෂڷᅰdNu ̙ڌϓ Re ၾ Pr ٙՌᅰd
Ըࠑݴޢࠦɪٙ੶Փᆠ࿁ݴତf
20
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