Enhanced Mass Transfer Rates in Nanofluids: Experiments and Modeling-Reference-Cited by-同舟云学术

Enhanced Mass Transfer Rates in Nanofluids: Experiments and Modeling

Published:2015-09-01 Issue:9 Volume:137 Page:
ISSN:0022-1481
Container-title:Journal of Heat Transfer
language:en
Short-container-title:

Author:

Khanolkar Ratnesh U.¹,Suresh A. K.²

Affiliation:

1. Department of Chemical Engineering, Indian Institute of Technology Bombay, Mumbai, Maharashtra 400076, India e-mail:

2. Professor Department of Chemical Engineering, Indian Institute of Technology Bombay, Mumbai, Maharashtra 400076, India e-mail:

Abstract

Enhancement in carbon dioxide absorption in water has been studied using SiO2 and TiO2 nanoparticles using the capillary tube apparatus for which previous results on Fe3O4 nanoparticles were reported earlier. Enhancements of up to 165% in the mass transfer coefficients were observed at fairly low volume fractions of the particles. A model which accounts for the effect of particles in terms of a superimposed convection has been proposed to explain the observed effects of particle size, hold-up, and material density. The model provides a good fit to the data from wetted wall column and capillary tube experiment for Fe3O4 from the previous literature, as well as for the data from this work.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/heattransfer/article-pdf/doi/10.1115/1.4030219/6211120/ht_137_09_091008.pdf

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