Performance evaluation of simple radial fin design for single phase liquid flow in microchannel heat sink
This paper numerically investigates heat transfer performance and characteristics in single-phase liquid cooling in microchannels with radial arrangement of fins having inherent symmetry to mitigate the problem of flow maldistribution. The effects of number of fins, channel depth and flow rate on Nu...
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| Veröffentlicht in: | Proceedings of the Institution of Mechanical Engineers. Part E, Journal of process mechanical engineering Journal of process mechanical engineering, 2021-02, Vol.235 (1), p.80-92 |
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| container_title | Proceedings of the Institution of Mechanical Engineers. Part E, Journal of process mechanical engineering |
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| creator | Qidwai, Mohammad Owais Hasan, Mohammad Muzaffarul Khan, Noor Zaman Ariz, Mohd |
| description | This paper numerically investigates heat transfer performance and characteristics in single-phase liquid cooling in microchannels with radial arrangement of fins having inherent symmetry to mitigate the problem of flow maldistribution. The effects of number of fins, channel depth and flow rate on Nusselt number and substrate temperature are obtained. The relative thermal performance and overall efficiency are compared with respect to two different base cases having minimum number of channels and minimum channel depth. For increasing values of flow rate and channel depth, contradicting effects in terms of temperature uniformity are obtained. By varying only number of channels, has no significance until it is coupled with channel depth, which suggests that aspect ratio of inlet cross-sectional area should be considered as a significant factor which is capable of generating secondary flows in single phase liquid flows. The overall efficiency of case with 70 number of channels, 200 µm depth and 15 ml/min is found to be highest. |
| doi_str_mv | 10.1177/0954408920944269 |
| format | Article |
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The effects of number of fins, channel depth and flow rate on Nusselt number and substrate temperature are obtained. The relative thermal performance and overall efficiency are compared with respect to two different base cases having minimum number of channels and minimum channel depth. For increasing values of flow rate and channel depth, contradicting effects in terms of temperature uniformity are obtained. By varying only number of channels, has no significance until it is coupled with channel depth, which suggests that aspect ratio of inlet cross-sectional area should be considered as a significant factor which is capable of generating secondary flows in single phase liquid flows. 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The overall efficiency of case with 70 number of channels, 200 µm depth and 15 ml/min is found to be highest.</description><subject>Aspect ratio</subject><subject>Computational fluid dynamics</subject><subject>Fins</subject><subject>Flow velocity</subject><subject>Fluid flow</subject><subject>Heat sinks</subject><subject>Liquid cooling</subject><subject>Liquid flow</subject><subject>Microchannels</subject><subject>Performance evaluation</subject><subject>Secondary flow</subject><subject>Substrates</subject><issn>0954-4089</issn><issn>2041-3009</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp1kM1LxDAQxYMouK7ePQY8Vydt2jRHWfyCBT3ouaTNZDdrm3aTVvG_N2UFQXAuc3i_92Z4hFwyuGZMiBuQOedQyhQk52khj8giBc6SDEAek8UsJ7N-Ss5C2EEcDmJB7At60_tOuQYpfqh2UqPtHe0NDbYbWqReaataaqyjGoPdOBr5KLpNFIetCkhbu5-spqbtP2nEOtv4vtkq57ClW1TjTL-fkxOj2oAXP3tJ3u7vXlePyfr54Wl1u06aDOSYcDSSN6LWDGuGshQM6izTrIBaN1zWCk2Kkpe54bowGmqQdcZKroXKWV7m2ZJcHXIH3-8nDGO16yfv4skq5WUhQORSRgoOVHw1BI-mGrztlP-qGFRzodXfQqMlOViC2uBv6L_8N2Bfdlo</recordid><startdate>202102</startdate><enddate>202102</enddate><creator>Qidwai, Mohammad Owais</creator><creator>Hasan, Mohammad Muzaffarul</creator><creator>Khan, Noor Zaman</creator><creator>Ariz, Mohd</creator><general>SAGE Publications</general><general>SAGE PUBLICATIONS, INC</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><orcidid>https://orcid.org/0000-0002-5970-7647</orcidid></search><sort><creationdate>202102</creationdate><title>Performance evaluation of simple radial fin design for single phase liquid flow in microchannel heat sink</title><author>Qidwai, Mohammad Owais ; Hasan, Mohammad Muzaffarul ; Khan, Noor Zaman ; Ariz, Mohd</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c309t-4ef94c7bd1eb1e98710b33d160bdc49baef2e9485f4d6fd0b09b3184d7a515853</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Aspect ratio</topic><topic>Computational fluid dynamics</topic><topic>Fins</topic><topic>Flow velocity</topic><topic>Fluid flow</topic><topic>Heat sinks</topic><topic>Liquid cooling</topic><topic>Liquid flow</topic><topic>Microchannels</topic><topic>Performance evaluation</topic><topic>Secondary flow</topic><topic>Substrates</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Qidwai, Mohammad Owais</creatorcontrib><creatorcontrib>Hasan, Mohammad Muzaffarul</creatorcontrib><creatorcontrib>Khan, Noor Zaman</creatorcontrib><creatorcontrib>Ariz, Mohd</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>Proceedings of the Institution of Mechanical Engineers. 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| subjects | Aspect ratio Computational fluid dynamics Fins Flow velocity Fluid flow Heat sinks Liquid cooling Liquid flow Microchannels Performance evaluation Secondary flow Substrates |
| title | Performance evaluation of simple radial fin design for single phase liquid flow in microchannel heat sink |
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