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A Nusselt Number Correlation Classification System
1999 Annual Conference ProceedingsComment: 13 ...
Todd Jammer +3 more
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Nusselt number for steady Poiseiulle flow through a pipe
Mechanics Research Communications, 1994Abstract The efficiency of the heat transfer mechanism for the fully developed steady Poiseiulle flow of a viscus incompressible fluid through a pipe of uniform but arbitrary cross section, when the wall of the pipe is maintained at a constant temperature, is measured by the average Nusselt number Nu .
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Prandtl number dependence of Nusselt number in direct numerical simulations
Journal of Fluid Mechanics, 2000The dependence of the Nusselt number Nu on the Rayleigh Ra and Prandtl Pr number is determined for 104 < Ra < 107 and 0.07 < Pr < 7 using DNS with no-slip upper and lower boundaries and free-slip sidewalls in a 8 × 8 × 2 box. Nusselt numbers, velocity scales and boundary layer thicknesses are calculated.
Kerr, Robert M., Herring, Jackson R.
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Nusselt Numbers in Rectangular Ducts With Laminar Viscous Dissipation
Journal of Heat Transfer, 1999In this paper, the steady temperature distribution and the Nusselt numbers are analytically determined for a Newtonian incompressible fluid in a rectangular duct, in fully developed laminar flow with viscous dissipation, for any combination of heated and adiabatic sides of the duct, in H1 boundary condition, and neglecting the axial heat conduction in ...
G. L. Morini, M. Spiga
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A New Correlation of Nusselt Number for Impinging Jets
Heat Transfer Engineering, 2009Jet impingement heat transfer has received a remarkable amount of attention by researchers throughout the world for many years due to widespread interest from both academic and industrial points of view. However, the fluid dynamics involved with arrays of jets are very complex and still not completely understood. Therefore, a functional relationship of
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Relationship between Nusselt number and the thermoviscous (Rott) functions
The Journal of the Acoustical Society of America, 2006The characterization of the thermal properties of regenerator materials has traditionally been studied by measurement of the heat transport of a gas passing through a regenerator flanked by two heat exchangers. The results for heat transfer between the gas and regenerator are typically expressed as a nondimensional Nusselt number.
Jin Liu, Steven L. Garrett
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Nusselt number for convection driven by tidal and radiogenic heating
Advances in Space Research, 2009Abstract The ‘traditional’ formulas giving the Nusselt number Nu as a function of Rayleigh number Ra cannot be used for low and moderate values of Ra. Moreover, the recent progress in 3D numerical modeling makes possible to determine the Nusselt number Nu as a function of Rayleigh number Ra for convection driven by radiogenic and tidal heating.
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Static and dynamic measurements of the Nusselt number in turbulent convection
Physica Scripta, 2013Measurements of the dimensionless heat transfer rate, or Nusselt number Nu, are typically made by static measurements of the heat flux and the average resulting temperature difference across a horizontal layer of fluid under steady state conditions. Here, we describe a dynamic method that uses the properties of a heat wave generated by sinusoidally ...
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Nußelt-Zahl Nu (Nusselt number Nu)
2000Es handelt sich um eine dimensionslose Kennzahl im Sinne der Dimensionsanalysis. Sie wird haufig zur dimensionslosen Darstellung des Warmeuberganges in der Form Nu = Nu(⋯) benutzt und stellt in diesem Sinne eine Zielkennzahl dar (dimensionslose Form einer gesuchten Grose, hier der Wandwarmestromdichte).
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NUSSELT NUMBER VARIATION IN MICROCHANNELS
Hybrid Methods in Engineering, 2001Gokturk Tunc, Yildiz Bayazitoglu
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