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ISSN オンライン: 2688-7231

ISBN 印刷: 978-1-56700-497-7 (Flash Drive)

ISBN オンライン: 978-1-56700-496-0

Proceedings of the 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2019)
December, 28-31, 2019, IIT Roorkee, Roorkee, India

Experimental Investigation of Effect of Nano-Particle Size on Heat Transfer Performance in Heat Exchanger

Get access DOI: 10.1615/IHMTC-2019.580
pages 341-345

要約

New experimental data is reported for CuO, MgO, TiO2, ZrO2 and Al2O3 water based nanofluids to enhance thermal conductivity by altering particle size. The effect of particle size alteration on thermal conductivity of nanofluids is verified for five different nanofluids, which is determined experimentally by hot-wire method. In the present work, probe sonication process is used to alter particle size of nanomaterial dispersed in base fluid. The probe sonication process is restricted to 60 min as further increase in probe sonication time does not show any significant decrease in particle size. As observed, all nanofluids show enhanced thermal conductivity than the base fluid. Among all nanofluids, Al2O3-water nanofluid (60 min) shows best thermal conductivity over base fluid (by 1.90 times).
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