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Validity of performance factors used in recent studies on heat transfer enhancement of nanofluids

Many previous studies used the performance factors for the evaluation of heat transfer enhancement of nanofluids under the identical pumping power. The validity of the performance factors was not examined yet. The validity of the performance factors used in previous studies examined considered only...

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Main Authors: Muhammad, N. M., Japar, W. M. A. A., Yusof, S. N. A., Asako, Y., Faghri, M., Tan, L. K., Sidik, N. A. C.
Format: Article
Published: American Society of Mechanical Engineers (ASME) 2021
Subjects:
T Technology (General)
Online Access:http://eprints.utm.my/id/eprint/95155/
http://dx.doi.org/10.1115/1.4051277
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spelling my.utm.951552022-04-29T22:02:34Z http://eprints.utm.my/id/eprint/95155/ Validity of performance factors used in recent studies on heat transfer enhancement of nanofluids Muhammad, N. M. Japar, W. M. A. A. Yusof, S. N. A. Asako, Y. Faghri, M. Tan, L. K. Sidik, N. A. C. T Technology (General) Many previous studies used the performance factors for the evaluation of heat transfer enhancement of nanofluids under the identical pumping power. The validity of the performance factors was not examined yet. The validity of the performance factors used in previous studies examined considered only flows in a circular tube based on the empirical correlations and experimental data. It was found that the performance factors used in the previous studies are not valid for the evaluation of heat transfer enhancement of nanofluids. Furthermore, this paper shows that the direct comparison of heat transfer rates without the assumptions of equal surface area and the equal temperature difference is suitable for the evaluation of heat transfer enhancement of single-phase fluids. American Society of Mechanical Engineers (ASME) 2021 Article PeerReviewed Muhammad, N. M. and Japar, W. M. A. A. and Yusof, S. N. A. and Asako, Y. and Faghri, M. and Tan, L. K. and Sidik, N. A. C. (2021) Validity of performance factors used in recent studies on heat transfer enhancement of nanofluids. Journal of Heat Transfer, 143 (8). ISSN 0022-1481 http://dx.doi.org/10.1115/1.4051277 DOI: 10.1115/1.4051277
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic T Technology (General)
spellingShingle T Technology (General)
Muhammad, N. M.
Japar, W. M. A. A.
Yusof, S. N. A.
Asako, Y.
Faghri, M.
Tan, L. K.
Sidik, N. A. C.
Validity of performance factors used in recent studies on heat transfer enhancement of nanofluids
description Many previous studies used the performance factors for the evaluation of heat transfer enhancement of nanofluids under the identical pumping power. The validity of the performance factors was not examined yet. The validity of the performance factors used in previous studies examined considered only flows in a circular tube based on the empirical correlations and experimental data. It was found that the performance factors used in the previous studies are not valid for the evaluation of heat transfer enhancement of nanofluids. Furthermore, this paper shows that the direct comparison of heat transfer rates without the assumptions of equal surface area and the equal temperature difference is suitable for the evaluation of heat transfer enhancement of single-phase fluids.
format Article
author Muhammad, N. M.
Japar, W. M. A. A.
Yusof, S. N. A.
Asako, Y.
Faghri, M.
Tan, L. K.
Sidik, N. A. C.
author_facet Muhammad, N. M.
Japar, W. M. A. A.
Yusof, S. N. A.
Asako, Y.
Faghri, M.
Tan, L. K.
Sidik, N. A. C.
author_sort Muhammad, N. M.
title Validity of performance factors used in recent studies on heat transfer enhancement of nanofluids
title_short Validity of performance factors used in recent studies on heat transfer enhancement of nanofluids
title_full Validity of performance factors used in recent studies on heat transfer enhancement of nanofluids
title_fullStr Validity of performance factors used in recent studies on heat transfer enhancement of nanofluids
title_full_unstemmed Validity of performance factors used in recent studies on heat transfer enhancement of nanofluids
title_sort validity of performance factors used in recent studies on heat transfer enhancement of nanofluids
publisher American Society of Mechanical Engineers (ASME)
publishDate 2021
url http://eprints.utm.my/id/eprint/95155/
http://dx.doi.org/10.1115/1.4051277
_version_ 1732945438885019648
score 13.223943

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