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songsh0915: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2012-04-24 11:07:37
RohsenowµÄ´«ÈÈѧÊÖ²áÖÐÓкܶàÀÛËÀµÄ¹«Ê½¡£È磺
FOR  (1/Gr)<=0.00005, Nux=1.302Gr^(1/3)-1;
For 0.00005<= (1/Gr)<=0.0015,Nux=1.302Gr^(1/3)-0.5;
For (1/Gr)>=0.0015,  Nux=4.364+8.68(1000/Gr)^(-0.506)exp(-14/Gr);
ʽÖУ¬Gr=RePr/(x/D)
3Â¥2012-04-23 08:03:33
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songsh0915

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3Â¥: Originally posted by Æ®Ãì¹ÂºèÓ° at 2012-04-23 08:03:33:
RohsenowµÄ´«ÈÈѧÊÖ²áÖÐÓкܶàÀÛËÀµÄ¹«Ê½¡£È磺
FOR  (1/Gr)<=0.00005, Nux=1.302Gr^(1/3)-1;
For 0.00005<= (1/Gr)<=0.0015,Nux=1.302Gr^(1/3)-0.5;
For (1/Gr)>=0.0015,  Nux=4.364+8.68(1000/G ...

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