Enhancement of Heat Transfer in Double Pipe Heat Exchanger
The point of this present work is to improve warm execution attributes in a warmth exchanger tube by contemplating: (i) curved tapes in various courses of action; (ii) Cu-nanoparticles with various fixations as the working liquid. The tube embedded the turned tapes indicated prevalent warm execution...
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Published in | Materials today : proceedings Vol. 16; pp. 706 - 713 |
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Main Authors | , |
Format | Journal Article |
Language | English |
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Elsevier Ltd
2019
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Abstract | The point of this present work is to improve warm execution attributes in a warmth exchanger tube by contemplating: (i) curved tapes in various courses of action; (ii) Cu-nanoparticles with various fixations as the working liquid. The tube embedded the turned tapes indicated prevalent warm execution consider when contrasted with plain tube due with persistent different whirling stream and multi-longitudinal vortices stream along the test tube. The higher number of curved tape embeds prompted an upgrade of warm execution that come about because of expanding contact surface territory, living arrangement time, whirl power and liquid blending with multi-longitudinal vortices stream. Additionally, game plan of contorted tapes in counter current was unrivaled vitality sparing gadgets for the commonsense utilize, especially at low Reynolds number. This was particularly the case for fourfold counter tapes in the cross bearings where warm exchange upgrade with generally low contact misfortune punishment was merited. . Utilizing water with Cu-nanoparticle as a working liquid yielded a higher warm execution than utilizing unadulterated water. It is watched that the most elevated general warmth exchange coefficient is accomplished by Cu nanofluids, which is 1705.686 W/m2K in 3% nanoparticle fixation at 5000 and 4000 Reynolds number for coolant and air individually contrasted with 992.649 W/m2K for the basefluid. |
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AbstractList | The point of this present work is to improve warm execution attributes in a warmth exchanger tube by contemplating: (i) curved tapes in various courses of action; (ii) Cu-nanoparticles with various fixations as the working liquid. The tube embedded the turned tapes indicated prevalent warm execution consider when contrasted with plain tube due with persistent different whirling stream and multi-longitudinal vortices stream along the test tube. The higher number of curved tape embeds prompted an upgrade of warm execution that come about because of expanding contact surface territory, living arrangement time, whirl power and liquid blending with multi-longitudinal vortices stream. Additionally, game plan of contorted tapes in counter current was unrivaled vitality sparing gadgets for the commonsense utilize, especially at low Reynolds number. This was particularly the case for fourfold counter tapes in the cross bearings where warm exchange upgrade with generally low contact misfortune punishment was merited. . Utilizing water with Cu-nanoparticle as a working liquid yielded a higher warm execution than utilizing unadulterated water. It is watched that the most elevated general warmth exchange coefficient is accomplished by Cu nanofluids, which is 1705.686 W/m2K in 3% nanoparticle fixation at 5000 and 4000 Reynolds number for coolant and air individually contrasted with 992.649 W/m2K for the basefluid. |
Author | Ponshanmugakumar, A. Rajavel, R. |
Author_xml | – sequence: 1 givenname: A. surname: Ponshanmugakumar fullname: Ponshanmugakumar, A. email: shnmgkmr8@gmail.com organization: Department of Mechanical Engineering, AMET University, Chennai, India – sequence: 2 givenname: R. surname: Rajavel fullname: Rajavel, R. organization: Department of Mechanical Engineering, AMET University, Chennai, India |
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CitedBy_id | crossref_primary_10_1016_j_matpr_2021_02_475 crossref_primary_10_1080_08916152_2020_1860159 |
Cites_doi | 10.1080/08916159808946559 10.1115/1.2825978 10.2514/2.6486 10.1115/1.1571080 10.1023/A:1024438603801 10.2514/1.9934 10.1016/j.cap.2005.07.021 10.1016/j.ijheatmasstransfer.2004.09.038 10.1115/1.2150834 10.1016/S0017-9310(99)00369-5 10.1016/j.icheatmasstransfer.2005.05.014 10.1016/j.matlet.2003.10.009 10.1016/S0142-727X(99)00067-3 10.1016/j.ijheatfluidflow.2006.05.001 10.1007/s10765-005-5569-3 10.1063/1.1454184 10.1016/S0375-9601(02)01728-0 |
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Keywords | base fluid thermal performance Cu-nanoparticles twisted tapes Reynolds number |
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Title | Enhancement of Heat Transfer in Double Pipe Heat Exchanger |
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