Effects of in-line deflectors on the overall performance of a channel heat exchanger

dc.contributor.authorMenni, Younes
dc.contributor.authorAmeur, Houari
dc.contributor.authorSharifpur, Mohsen
dc.contributor.authorAhmadi, Mohammad Hossein
dc.contributor.emailmohsen.sharifpur@up.ac.zaen_US
dc.date.accessioned2022-08-29T10:17:35Z
dc.date.available2022-08-29T10:17:35Z
dc.date.issued2021
dc.description.abstractThe turbulent convective thermal transfer in channel heat exchangers (CHEs) is studied numerically via the CFD (Computational Fluid Dynamics) method. Deflectors are inserted on the hot bottom walls of the heat channel to enhance the hydrothermal characteristics. Various shapes of in-line deflectors are considered, namely: rectangular (a/b = 0.00), cascaded rectangular-triangular (a/b = 0.25, 0.50, and 0.75), and triangular (a/b = 1.00) shapes. From the obtained results, the inclusion of in-line deflectors with a/b = 0.75 has given the most significant thermal enhancement factor, which was higher than that for a/b = 0.00, 0.25, 0.50, and 1.00 by about 5.36, 5.06, 67.27, and 3.88%, respectively. Also, the in-line cascaded deflector’ case (a/b = 0.75) shows an increase in the enhancement factor (η) from 4 to 15.44% over the cases of one deflector (corrugated, rectangular, triangular, trapezoidal, arc, (+), S, 45° V, 45° W, T, Γ, and ε-shaped) or two deflectors (staggered corrugated). This highlights the effectiveness of in-line cascaded rectangular-triangular deflectors with a/b = 0.75 in improving the performance of the proposed exchanger for the conditions adopted.en_US
dc.description.departmentMechanical and Aeronautical Engineeringen_US
dc.description.librarianhj2022en_US
dc.description.urihttps://www.tandfonline.com/loi/tcfm20en_US
dc.identifier.citationYounes Menni, Houari Ameur, Mohsen Sharifpur & Mohammad Hossein Ahmadi (2021) Effects of in-line deflectors on the overall performance of a channel heat exchanger, Engineering Applications of Computational Fluid Mechanics, 15:1, 512-529, DOI: 10.1080/19942060.2021.1893820.en_US
dc.identifier.issn1994-2060 (print)
dc.identifier.issn1997-003X (online)
dc.identifier.other10.1080/19942060.2021.1893820
dc.identifier.urihttps://repository.up.ac.za/handle/2263/86978
dc.language.isoenen_US
dc.publisherTaylor and Francisen_US
dc.rights© 2021 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This is an Open Access article distributed under the terms of the Creative Commons Attribution License.en_US
dc.subjectThermal transferen_US
dc.subjectForced convectionen_US
dc.subjectComputational fluid dynamics (CFD)en_US
dc.subjectChannel heat exchangeren_US
dc.subjectDeflectorsen_US
dc.subject.otherEngineering, built environment and information technology articles SDG-04
dc.subject.otherSDG-04: Quality education
dc.subject.otherEngineering, built environment and information technology articles SDG-07
dc.subject.otherSDG-07: Affordable and clean energy
dc.subject.otherEngineering, built environment and information technology articles SDG-09
dc.subject.otherSDG-09: Industry, innovation and infrastructure
dc.subject.otherEngineering, built environment and information technology articles SDG-13
dc.subject.otherSDG-13: Climate action
dc.titleEffects of in-line deflectors on the overall performance of a channel heat exchangeren_US
dc.typePostprint Articleen_US

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