Applicability of traditional turbulent single-phase forced convection correlations to non-circular microchannels

Applicability of traditional turbulent single-phase forced convection correlations to non-circular microchannels

Turbulent convection in microchannels has received much interest as an effective cooling mechanism for high power density applications. Study shows that the turbulent heat transfer coefficients for water flowing in circular microchannels with diameters ranging from 0.76 to 1.09 mm are significantly...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:International journal of heat and mass transfer 1999-12, Vol.42 (23), p.4411-4415
Hauptverfasser: Adams, T.M, Dowling, M.F, Abdel-Khalik, S.I, Jeter, S.M
Format: Artikel
Sprache:eng
Schlagworte:
Channel flow
Convective and constrained heat transfer
Cooling
Correlation methods
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Heat transfer
Heat transfer coefficients
Natural convection
Nusselt number
Physics
Prandtl number
Reynolds number
Turbulent flow
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:Turbulent convection in microchannels has received much interest as an effective cooling mechanism for high power density applications. Study shows that the turbulent heat transfer coefficients for water flowing in circular microchannels with diameters ranging from 0.76 to 1.09 mm are significantly higher than the values predicted by traditional Nusselt number correlations for the same Reynolds and Prandtl numbers. In some cases, the enhancement reached a value of nearly 100%.
ISSN:0017-9310
1879-2189
DOI:10.1016/S0017-9310(99)00102-7