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Article: Constructal structure of nanofluids
Title | Constructal structure of nanofluids | ||||||
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Authors | |||||||
Issue Date | 2010 | ||||||
Publisher | American Institute of Physics. The Journal's web site is located at http://jap.aip.org/jap/staff.jsp | ||||||
Citation | Journal of Applied Physics, 2010, v. 108 n. 7, article no. 074317 How to Cite? | ||||||
Abstract | The present work considers the problem of further enhancing nanofluids performance inside practical systems through designing their inside structures. Constructal analysis is performed up to the two-branching level on the classical blade-configured disk-shaped domain with central heat sink, adiabatic periphery and uniform heat generation. Transition point from one-branching-level to two-branching-level blade configuration is found. The effects of thermal conductivity ratio and overall volume fraction of blade material on nondimensional constructal overall temperature difference are found to appear always in the form of their product. The number of tributaries does not affect the system performance. Constructal robustness is also observed. Compared with the dispersed configuration under same conditions, this orderly-arranged blade configuration generates much smaller constructal overall temperature difference and thus performs much better for the heat conduction domain considered. Therefore, searching for better and better heat-flow structure is significant to performance. © 2010 American Institute of Physics. | ||||||
Persistent Identifier | http://hdl.handle.net/10722/157085 | ||||||
ISSN | 2023 Impact Factor: 2.7 2023 SCImago Journal Rankings: 0.649 | ||||||
ISI Accession Number ID |
Funding Information: The financial support from the Research Grants Council of Hong Kong (Grant Nos. GRF718009 and GRF717508) and the CRCG of the University of Hong Kong (Project No. 10400920) is gratefully acknowledged. | ||||||
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Bai, C | en_US |
dc.contributor.author | Wang, L | en_US |
dc.date.accessioned | 2012-08-08T08:45:15Z | - |
dc.date.available | 2012-08-08T08:45:15Z | - |
dc.date.issued | 2010 | en_US |
dc.identifier.citation | Journal of Applied Physics, 2010, v. 108 n. 7, article no. 074317 | - |
dc.identifier.issn | 0021-8979 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/157085 | - |
dc.description.abstract | The present work considers the problem of further enhancing nanofluids performance inside practical systems through designing their inside structures. Constructal analysis is performed up to the two-branching level on the classical blade-configured disk-shaped domain with central heat sink, adiabatic periphery and uniform heat generation. Transition point from one-branching-level to two-branching-level blade configuration is found. The effects of thermal conductivity ratio and overall volume fraction of blade material on nondimensional constructal overall temperature difference are found to appear always in the form of their product. The number of tributaries does not affect the system performance. Constructal robustness is also observed. Compared with the dispersed configuration under same conditions, this orderly-arranged blade configuration generates much smaller constructal overall temperature difference and thus performs much better for the heat conduction domain considered. Therefore, searching for better and better heat-flow structure is significant to performance. © 2010 American Institute of Physics. | en_US |
dc.language | eng | en_US |
dc.publisher | American Institute of Physics. The Journal's web site is located at http://jap.aip.org/jap/staff.jsp | en_US |
dc.relation.ispartof | Journal of Applied Physics | en_US |
dc.title | Constructal structure of nanofluids | en_US |
dc.type | Article | en_US |
dc.identifier.email | Wang, L:lqwang@hkucc.hku.hk | en_US |
dc.identifier.authority | Wang, L=rp00184 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1063/1.3486501 | en_US |
dc.identifier.scopus | eid_2-s2.0-77958167481 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-77958167481&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 108 | en_US |
dc.identifier.issue | 7 | en_US |
dc.identifier.spage | article no. 074317 | - |
dc.identifier.epage | article no. 074317 | - |
dc.identifier.isi | WOS:000283222200133 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Bai, C=35232526200 | en_US |
dc.identifier.scopusauthorid | Wang, L=35235288500 | en_US |
dc.identifier.issnl | 0021-8979 | - |