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An investigation of thermal performance improvement of a cylindrical heat pipe using Al2O3 nanofluid
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
2016 (English)In: Heat and Mass Transfer, ISSN 0947-7411, E-ISSN 1432-1181, 1-11 p.Article in journal (Refereed) Published
Abstract [en]

In this study, effect of Al2O3 nanofluid on thermal performance of cylindrical heat pipe is investigated. An analytical model is employed to study the thermal performance of the heat pipe utilizing nanofluid and the predicted results are compared with the experimental results. A substantial change in the heat pipe thermal resistance, effective thermal conductivity and entropy generation of the heat pipe is observed when using Al2O3 nanofluid as a working fluid. It is found that entropy generation in the heat pipe system decreases when using a nanofluid due to the lower thermal resistance of the heat pipe which results in an improved thermal performance. It is shown that the proposed model is in reasonably good agreement with the experimental results and can be used as a fast technique to explore various features of thermal characteristics of the nanofluid based heat pipe.

Place, publisher, year, edition, pages
Springer, 2016. 1-11 p.
Keyword [en]
Aluminum, Entropy, Heat resistance, Nanofluidics, Thermal conductivity, Effective thermal conductivity, Entropy generation, Fast techniques, Nanofluids, Pipe system, Thermal characteristics, Thermal Performance, Working fluid, Heat pipes
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-197123DOI: 10.1007/s00231-016-1871-9ScopusID: 2-s2.0-84979240852OAI: oai:DiVA.org:kth-197123DiVA: diva2:1056260
Note

QC 20161214

Available from: 2016-12-14 Created: 2016-11-30 Last updated: 2016-12-14Bibliographically approved

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Ghanbarpour, MortezaKhodabandeh, Rahmatollah
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