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Heat sink optimization with application to microchannels
Abstract
The equations governing the fluid dynamics and combined conduction/convection heat transfer in a heat sink are presented in dimensionless form for both laminar and turbulent flow. A scheme presented for solving these equations permits the determination of heat sink dimensions that display the lowest thermal resistance between the hottest portion of the heat sink and the incoming fluid. Results from the present method are applied to heat sinks reported by previous investigators to study effects of their restrictions regarding the nature of the flow (laminar or turbulent), the ratio of fin thickness to channel width, or the aspect ratio of the fluid channel. Results indicate that when the pressure drop through the channels is small, laminar solutions yield lower thermal resistance than turbulent solutions. Conversely, when the pressure drop is large, the optimal thermal resistance is found in the turbulent region. With the relaxation of these constraints, configurations and dimensions found using the present procedure produce significant improvement in thermal resistance over those presented by all three previous studies.>
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Cited by
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Sajid, M. U., & Ali, H. M. (2019) · Renewable and Sustainable Energy Reviews · doi:10.1016/j.rser.2018.12.057 · Cited by 544
Forced convective heat transfer across a pin fin micro heat sink
Peles, Y., Koşar, A., Mishra, C., Kuo, C.-J., & Schneider, B. (2005) · International Journal of Heat and Mass Transfer · doi:10.1016/j.ijheatmasstransfer.2005.03.017 · Cited by 473
Optimization of thermal design of heat sinks: A review
Ahmed, H. E., Salman, B. H., Kherbeet, A. S., & Ahmed, M. I. (2018) · International Journal of Heat and Mass Transfer · doi:10.1016/j.ijheatmasstransfer.2017.10.099 · Cited by 452
Forced air cooling by using manifold microchannel heat sinks
Kim, Y. H., Chun, W. C., Kim, J. T., Pak, B. C., & Baek, B. J. (1998) · KSME International Journal · doi:10.1007/bf02945732 · Cited by 58
Metadata
- Authors
- Knight, R. W., Hall, D. J., Goodling, J. S., & Jaeger, R. C.
- Venue
- IEEE Transactions on Components, Hybrids, and Manufacturing Technology
- Published
- 1992
- Volume
- 15
- Issue
- 5
- Pages
- 832-842
- ISSN
- 0148-6411 (ISSN-L)
- OpenAlex
- W2126249528
- Cited by
- 409
- References
- 0
- FWCI
- 4.36
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Heat sink optimization with application to microchannels. https://app.cochat.ai/papers/10.1109/33.180049
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- Knight, R. W., Hall, D. J., Goodling, J. S., & Jaeger, R. C. (1992). Heat sink optimization with application to microchannels. IEEE Transactions on Components, Hybrids, and Manufacturing Technology. https://doi.org/10.1109/33.180049
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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