Results 11 to 20 of about 50,883 (231)

Nusselt number scaling in horizontal convection

open access: yes, 2023
32 pages, 12 figures, submitted to the Journal of Fluid ...
Constantinou, Navid C.   +3 more
openaire   +2 more sources

A study of flow interference and heat transfer between two-cylinders at different orientations

open access: yesJournal of Ocean Engineering and Science, 2021
A numerical investigation is carried out for the different orientations of a circular cylinder where the upstream cylinder moves with varying angles α = 0˚, 30˚, 45˚, 60˚, 90˚ with respect to the downstream cylinder in a fixed position at a gap ratio (L ...
Shardul Vikram Singh   +2 more
doaj   +1 more source

Nusselt number scaling in tokamak plasma turbulence [PDF]

open access: yesPhysics of Plasmas, 2005
Anomalous heat transport caused by ion temperature gradient (ITG) driven turbulence in tokamak plasmas is evaluated from numerical simulations of the two-dimensional (2D) partial-differential equations of the ITG model and of a reduced 1D version derived from a quasilinear approximation.
Takeda, K.   +3 more
openaire   +2 more sources

Heat Transfer under Double Turbulent Pulsating Jets Impinging on a Flat Surface [PDF]

open access: yesJournal of Heat and Mass Transfer Research, 2017
In this study, the numerical analysis of turbulent flow and heat transfer of double pulsating impinging jets on a flat surface has been investigated. The unsteady two-dimensional numerical solution for two similar and dissimilar jets was performed using ...
Morteza Ataei   +3 more
doaj   +1 more source

Viscous dissipation in the heat transfer between a rotating cylinder and viscous media under forced convection

open access: yesEnergy Reports, 2021
The effects of viscous energy dissipation on the forced convection heat transfer between an unconfined rotating isothermal circular cylinder and surrounding viscous fluids are numerically investigated.
A.A. Soares, A. Rouboa
doaj   +1 more source

On the effects of internal heat sources upon forced convection in porous channels with asymmetric thick walls [PDF]

open access: yes, 2016
Thermal behaviour of a porous channel with thick, solid walls featuring uneven wall thicknesses and asymmetric external thermal boundary conditions is analysed theoretically.
Cunningham, Samia   +3 more
core   +1 more source

An improved method of Nusselt number calculation [PDF]

open access: yesGeophysical Journal International, 1987
A novel method for calculating the Nusselt number, Nu, in a steady-state Rayleigh-Benard convection problem is presented, in which calculations are done for a square box with constant temperature, free-slip boundary conditions at the top and bottom, and a reflection symmetry along the side walls.
P. Ho-Liu, B. H. Hager, A. Raefsky
openaire   +1 more source

Convectively driven shear and decreased heat flux [PDF]

open access: yes, 2014
We report on direct numerical simulations of two-dimensional, horizontally periodic Rayleigh-B\'enard convection, focusing on its ability to drive large-scale horizontal flow that is vertically sheared.
Flierl, Glenn R.   +3 more
core   +1 more source

Numerical investigation on heat transfer behavior of thermally developing flow inside rectangular microchannels

open access: yesCase Studies in Thermal Engineering, 2021
A numerical investigation is conducted to study the heat transfer characteristics of laminar flow in three-dimensional rectangular microchannels with aspect ratios of 0.1–1 and Reynolds numbers of 5–400.
Hao Ma   +3 more
doaj   +1 more source

Large-Biot-number non-isothermal flow of a thin film on a stationary or rotating cylinder [PDF]

open access: yes, 2009
Using the lubrication approximation we investigate two-dimensional steady flow of a thin film of fluid with temperature-dependent viscosity on a uniformly heated or cooled horizontal cylinder, which may be stationary or rotating about its axis, in the ...
Duffy, B.R., Wilson, S.K.
core   +1 more source

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