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Numerical study of conjugated heat transfer in metal foam filled double-pipe
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Du, Y. P., Qu, Z. G., Zhao, Changying and Tao, W. Q. (2010) Numerical study of conjugated heat transfer in metal foam filled double-pipe. International Journal of Heat and Mass Transfer, Vol.53 (No.21-22). pp. 4899-4907. doi:10.1016/j.ijheatmasstransfer.2010.06.002 ISSN 0017-9310.
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Official URL: http://dx.doi.org/10.1016/j.ijheatmasstransfer.201...
Abstract
The two equation numerical model has been applied for parallel flow double-pipe heat exchanger filled with open cell metal foams. The model fully considered solid-fluid conjugated heat transfer process coupling heat conduction and convection in open cell metal foam solid matrix, interface wall and fluid in both inner and annular space in heat exchanger. The non-Darcy effect and the wall thickness are also taken into account. The interface wall heat flux distribution along the axial direction is predicted. The numerical model is firstly verified and then the influences of solid heat conductivity, metal foam porosity, pore density, relative heat conductivity and inner tube radius of the heat exchanger on dimensionless temperature distribution and heat transfer performance of heat exchanger are numerically studied. It is revealed that the proposed numerical model can effectively display the real physical heat transfer process in the double pipe heat exchanger. It is expected to provide useful information for the design of metal foam filled heat exchanger. Crown Copyright (C) 2010 Published by Elsevier Ltd. All rights reserved.
| Item Type: | Journal Article | ||||
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| Subjects: | Q Science > QC Physics T Technology > TJ Mechanical engineering and machinery |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
| Journal or Publication Title: | International Journal of Heat and Mass Transfer | ||||
| Publisher: | Pergamon-Elsevier Science Ltd. | ||||
| ISSN: | 0017-9310 | ||||
| Official Date: | October 2010 | ||||
| Dates: |
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| Volume: | Vol.53 | ||||
| Number: | No.21-22 | ||||
| Number of Pages: | 9 | ||||
| Page Range: | pp. 4899-4907 | ||||
| DOI: | 10.1016/j.ijheatmasstransfer.2010.06.002 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | National Key Project for Research and Development of China, National Natural Science Foundation of China | ||||
| Grant number: | 200603601203, 50806057 |
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