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April 14, 2008, 15:31
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entrance length
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#1 |
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Guest
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Dear All,
For a fluid flow (with very high viscosity) in a pipe, how to estimate the entrance length? the Re number is less than 1. It seems that the entrance length is significantly long since the temperature increase I got from commercial software doesn't follow the fully developed region equation. Thanks in advance. snowshovel |
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April 15, 2008, 09:46
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Re: entrance length
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#2 |
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Guest
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You may find correlations for the entrance length in pipe flow in most textbooks (e.g., Ozisik, Heat Transfer - A Basic Aprrocah, 1985, Table 7-2).
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