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Proceedings of CONV-14: International Symposium on Convective Heat and Mass Transfer.
June, 8-13, 2014, Kusadasi, Turkey

DOI: 10.1615/ICHMT.2014.IntSympConvHeatMassTransf


ISBN Print: 978-1-56700-356-7

ISSN Online: 2642-3499

ISSN Flash Drive: 2642-3502

EXPERIMENTAL INVESTIGATION OF THE CONVECTIVE MASS TRANSFER COEFFICIENTS FOR CO2 ABSORPTION IN Fe3O4/H2O NANOFLUIDS

pages 1097-1104
DOI: 10.1615/ICHMT.2014.IntSympConvHeatMassTransf.820
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摘要

Liquid mass transfer coefficient in the presence of 8-nm Fe3O4 nanoparticles in rising bubbles in a vertical tube was investigated experimentally. Variation of mass transfer coefficient with Reynolds number and volume fraction of nanoparticles was studied. Mass transfer coefficient of nanofluid with 0.001% and 0.005% volume fraction was measured lower than that of water for all Reynolds numbers. For nanofluids with 0.01-0.05% volume fraction of nanoparticles, enhancement in the mass transfer coefficient was observed relative to the base liquid. Nanofluid with 0.05% volume fraction of nanoparticles, at Reynolds 2100, enhanced mass transfer coefficient about 76%.

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