Heat transfer of dilute viscoelastic solutions in helical exchangers |
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| Authors: | Z. Ismail R. Karim |
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| Affiliation: | 1. Civil Engineering Department, University of Malaya, 50603, Kuala Lumpur, Malaysia
2. Petmel Resources Pte Ltd, 53 Persiaran Zaaba, Kuala Lumpur, Federal Territory, 60000, Malaysia
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| Abstract: | The study examined heat transfer of two dilute viscoelastic solutions in helical exchangers of circular cross-section. Ten helical coil heat exchangers with diameter ratios ranging from 4 to 50 were constructed. Results showed doubling the concentrations of polymer increased heat transfer performance by 12 %. The results were expressed in forms of some existing equations and were found to be in fair agreement to previous results. |
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