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The mass transfer coefficients from the outer surface of tubes or cylinders held in parallel turbulent steams have been calculated using integral momentum and mass transfer equations. The solution uses a hydrodynamics independent constant, λc which depends only upon Schmidt number. The results exhibit significant effect of curvature. For Schmidt number less than 108, Sherwood number can be predicted by ShdSc- 1/3 = 0.039Sc0.208 ×( \fracLd )a \operatornameRe d0.8 , where α = −0.169Sc−0.0103. The effect of the curvature is insignificant where \fracLd\operatornameRe L- 0.2- 0.033 ×ln(Sc) \leqslant 0.214 .
| Authors: | S. U. Rahman | |
| Journal: | Theoretical Foundations of Chemical Engineering | |
| Year: | 2012 | |
| DOI: | 10.1134/S0040579512020091 | |
| Publication date: | 17-04-2012 |
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