Pressure drop and friction factor for different shapes of microchannels

Prem Gunnasegaran, H. Mohammed, N. H. Shuaib

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

A numerical investigation has been performed on the pressure drop and friction factor of water flow in three different shapes of microchannel heat sinks which are rectangular, trapezoidal, and triangular for Reynolds number range of 100-1000. The three-dimensional steady, laminar flow and heat transfer governing equations are solved using the finite volume method. It is found that the values of Poiseuille number and friction factor depend greatly on different geometrical parameters. It is also inferred that the heat sink having the smallest hydraulic diameter for each type of shapes under consideration has better performance among the other heat sinks studied. The values of Poiseuille number and friction factor increase with the increase of width-height ratio (Wc/Hc) for rectangular microchannels. For trapezoidal microchannels, the Poiseuille number and friction factor increase with the increase of bottom-to-top width ratio (b/a), increase with the decrease of height-to-top width ratio (h/a), increase with the decrease of length-tohydraulic diameter ratio (L/Dh). While for triangular microchannels, the Poiseuille number and friction factor increase with the increase of its tip angle (β). It is identified that the transition Reynolds number from laminar flow to turbulent flow is occurred at 1100.

Original languageEnglish
Title of host publicationICEE 2009 - Proceeding 2009 3rd International Conference on Energy and Environment
Subtitle of host publicationAdvancement Towards Global Sustainability
Pages418-426
Number of pages9
DOIs
Publication statusPublished - 01 Dec 2009
Event2009 3rd International Conference on Energy and Environment: Advancement Towards Global Sustainability, ICEE 2009 - Malacca, Malaysia
Duration: 07 Dec 200908 Dec 2009

Other

Other2009 3rd International Conference on Energy and Environment: Advancement Towards Global Sustainability, ICEE 2009
CountryMalaysia
CityMalacca
Period07/12/0908/12/09

Fingerprint

Microchannels
Pressure drop
Friction
Heat sinks
Laminar flow
Reynolds number
Flow of water
Finite volume method
Turbulent flow
Hydraulics
Heat transfer

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Environmental Engineering

Cite this

Gunnasegaran, P., Mohammed, H., & Shuaib, N. H. (2009). Pressure drop and friction factor for different shapes of microchannels. In ICEE 2009 - Proceeding 2009 3rd International Conference on Energy and Environment: Advancement Towards Global Sustainability (pp. 418-426). [5398611] https://doi.org/10.1109/ICEENVIRON.2009.5398611
Gunnasegaran, Prem ; Mohammed, H. ; Shuaib, N. H. / Pressure drop and friction factor for different shapes of microchannels. ICEE 2009 - Proceeding 2009 3rd International Conference on Energy and Environment: Advancement Towards Global Sustainability. 2009. pp. 418-426
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Gunnasegaran, P, Mohammed, H & Shuaib, NH 2009, Pressure drop and friction factor for different shapes of microchannels. in ICEE 2009 - Proceeding 2009 3rd International Conference on Energy and Environment: Advancement Towards Global Sustainability., 5398611, pp. 418-426, 2009 3rd International Conference on Energy and Environment: Advancement Towards Global Sustainability, ICEE 2009, Malacca, Malaysia, 07/12/09. https://doi.org/10.1109/ICEENVIRON.2009.5398611

Pressure drop and friction factor for different shapes of microchannels. / Gunnasegaran, Prem; Mohammed, H.; Shuaib, N. H.

ICEE 2009 - Proceeding 2009 3rd International Conference on Energy and Environment: Advancement Towards Global Sustainability. 2009. p. 418-426 5398611.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Gunnasegaran P, Mohammed H, Shuaib NH. Pressure drop and friction factor for different shapes of microchannels. In ICEE 2009 - Proceeding 2009 3rd International Conference on Energy and Environment: Advancement Towards Global Sustainability. 2009. p. 418-426. 5398611 https://doi.org/10.1109/ICEENVIRON.2009.5398611