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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/1865
Title: Buoyancy-aided momentum and heat transfer in a vertical channel with a built-in square cylinder
Authors: Dhiman A.
Sharma N.
Kumar S.
Published in: International Journal of Sustainable Energy
Abstract: This study focuses on the confined upward flow and heat transfer around a square cylinder under the effect of aiding buoyancy (Richardson number, Ri=0-1) in the vertical channel for Reynolds number (Re)=1-40 and blockage ratio (BR)=25-50% for the air as working fluid. Flow is found to be steady and symmetric for the range of settings. For Re?2, no separation zone occurs for BR=25% and 30%. However, for BR=50%, no wakes are observed for Re?3. The onset of flow separation takes place between Re=2 and 3 for BR=25% and 30%; whereas, for BR=50%, it exists between Re=3 and 4, irrespective of the value of Ri. Heat transfer correlations have also been obtained at different values of Re, BR and Ri. © 2013 © 2013 Taylor & Francis.
Citation: International Journal of Sustainable Energy (2014), 33(5): 963-984
URI: https://doi.org/10.1080/14786451.2013.764878
http://repository.iitr.ac.in/handle/123456789/1865
Issue Date: 2014
Publisher: Taylor and Francis Ltd.
Keywords: aiding buoyancy
blockage ratio
drag
isotherm
Nusselt number
square cylinder
streamline
wake length
ISSN: 14786451
Author Scopus IDs: 8548369300
57192806754
55500513200
Author Affiliations: Dhiman, A., Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, India
Sharma, N., Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, India
Kumar, S., Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, India
Corresponding Author: Dhiman, A.; Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, India; email: dhimuamit@rediffmail.com
Appears in Collections:Journal Publications [CH]

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