Techniques for measuring the thermal conductivity of nanofluids: a review

Paul, G. ; Chopkar, M. ; Manna, I. ; Das, P. K. (2010) Techniques for measuring the thermal conductivity of nanofluids: a review Renewable & Sustainable Energy Reviews, 14 (7). pp. 1913-1924. ISSN 1364-0321

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S13640...

Related URL: http://dx.doi.org/10.1016/j.rser.2010.03.017

Abstract

There has been a rapid progress in research activities concerning nanofluids since a large enhancement in their thermal conductivity has been reported a decade ago. While this extraordinary thermal conductivity of nanofluids deserves scientific investigation, the inconsistency and controversy of the results reported by different groups for identical nanofluids across the world raises fundamental doubts and poses a hindrance in the potential applications of nanofluids. This paper presents a critical review of the several techniques for the measurement of thermal conductivity of nanofluids employed by the researchers. Additionally, a detailed description of a unique thermal conductivity measurement device based on the thermal comparator principle, developed by the present authors has been described. Besides the principle of this measurement device, the constructional details have been elaborated. Finally, some suggestions have been made for improving the reliability of the measurement of thermal conductivity.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Nanofluid; Measurement Techniques; Thermal Conductivity; Thermal Comparator
ID Code:18866
Deposited On:17 Nov 2010 12:20
Last Modified:06 Jun 2011 04:29

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