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Numerical simulation of double-diffusive mixed convection and entropy generation in a lid-driven trapezoidal enclosure with a heat source
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Ababaei, Ahmad, Abbaszadeh, Mahmoud, Arefmanesh, Ali and Chamkha, Ali J. (2018) Numerical simulation of double-diffusive mixed convection and entropy generation in a lid-driven trapezoidal enclosure with a heat source. Numerical Heat Transfer, Part A: Applications, 73 (10). pp. 702-720. doi:10.1080/10407782.2018.1459139 ISSN 1521-0634.
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Official URL: http://dx.doi.org/10.1080/10407782.2018.1459139
Abstract
In this study, entropy generation of double-diffusive mixed convection is investigated inside a right-angled trapezoidal cavity with a partially heated and salted bottom wall. Similar to the approach that assigns color to streamlines, a new coloring scheme is employed to visualize heatlines and masslines in a more meaningful manner. In addition, various consequential parameters, namely the Lewis and Richardson numbers, the buoyancy ratio, the direction of lid movement, and the heat source location, have been analyzed. According to the results, as the Lewis number increases, the average Nusselt number declines, while the total entropy generation augments. Furthermore, for Leβ=β0.1, the conduction mass transfer dominates the mass transfer field; hence, the masslines are virtually perpendicular to the isoconcentration lines.
Item Type: | Journal Article | ||||||||
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Subjects: | Q Science > QC Physics | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
SWORD Depositor: | Library Publications Router | ||||||||
Library of Congress Subject Headings (LCSH): | Mass transfer, Nusselt number, Condensed matter | ||||||||
Journal or Publication Title: | Numerical Heat Transfer, Part A: Applications | ||||||||
Publisher: | Taylor & Francis Inc. | ||||||||
ISSN: | 1521-0634 | ||||||||
Official Date: | 31 May 2018 | ||||||||
Dates: |
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Volume: | 73 | ||||||||
Number: | 10 | ||||||||
Page Range: | pp. 702-720 | ||||||||
DOI: | 10.1080/10407782.2018.1459139 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 28 June 2018 | ||||||||
Date of first compliant Open Access: | 31 May 2019 |
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