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Heat transport by turbulent Rayleigh-Bénard convection for $\Pra\ \simeq 0.8$ and $3\times 10^{12} \alt \Ra\ \alt 10^{15}$: Aspect ratio $Γ= 0.50$
turbulent Rayleigh-Bénard convection Heat transport Fluid Dynamics
2012/5/17
We report experimental results for heat-transport measurements, in the form of the Nusselt number \Nu, by turbulent Rayleigh-B\'enard convection in a cylindrical sample of aspect ratio $\Gamma \equiv ...
Heat transport and flow structure in rotating Rayleigh-Benard convection
Rotating Rayleigh-Benard convection direct numerical simulation experiments heat transfer different turbulent states flow structure
2012/4/24
Here we summarize the results from our direct numerical simulations (DNS) and experimental measurements on rotating Rayleigh-B\'enard (RB) convection. Our experiments and simulations are performed in ...
Heat flux modulation in domino dynamo model
Heat flux modulation domino dynamo model Fluid Dynamics
2012/4/24
Using domino dynamo model we show how variations of the heat flux at the core-mantle boundary change frequency of geomagnetic field reversals. In fact, we are able to demonstrate effect known from the...
Analytical modeling for the heat transfer in sheared flows of nanofluids
Analytical modeling heat transfer sheared flows of nanofluids Fluid Dynamics
2012/4/24
We developed a model for the enhancement of the heat flux by spherical and elongated nano- particles in sheared laminar flows of nano-fluids. Besides the heat flux carried by the nanoparticles the mod...
Diel heat transport within the hyporheic zone of a pool-riffle-pool sequence of a losing stream and evaluation of models for fluid flux estimation using heat
Diel heat transport hyporheic zone pool-riffle-pool sequence losing stream evaluation of models fluid flux estimation heat
2014/4/17
Hyporheic water is thought to infiltrate at the head of a riffle, which in turn is complemented by upwelling back to the stream at the tail of the riffle in a pool-riffle-pool (PRP) sequence. Heat tra...
RADIATIVE HEAT TRANSFER WITH HYDROMAGNETIC FLOW AND VISCOUS DISSIPATION OVER A STRETCHING SURFACE IN THE PRESENCE OF VARIABLE HEAT FLUX
heat transfer radiation magnetic field
2009/10/14
The boundary layer steady flow and heat transfer of a viscous incompressible fluid due to a stretching plate with viscous dissipation effect in the presence of a transverse magnetic field is studied. ...
THERMO-MICROPOLAR FLUID FLOW ALONG A VERTICAL PERMEABLE PLATE WITH UNIFORM SURFACE HEAT FLUX IN THE PRESENCE OF HEAT GENERATION
micropolar fluid convection heat flux
2009/10/14
A two-dimensional steady convective flow of thermo-micropolar fluid past a vertical permeable flat plate in the presence of heat generation with uniform surface heat flux has been analyzed numerically...
FLOW BOILING HEAT TRANSFER COEFFICIENT OF R-134A/R-290/R-600A MIXTURE IN A SMOOTH HORIZONTAL TUBE
heat transfer coefficient stratified flow acetone
2009/10/14
An investigation on in-tube flow boiling heat transfer of R-134a/R-290/R-600a (91%/4.068%/4.932% by mass) refrigerant mixture has been carried out in a varied heat flux condition using a tube-in-tube ...
EFFECT OF WALL PROXIMITY IN FLUID FLOW AND HEAT TRANSFER FROM A SQUARE PRISM PLACED INSIDE A WIND TUNNEL
flow separation square prism blockage ratio
2009/10/14
Experimental investigations in fluid flow and heat transfer have been carried out to study the effect of wall proximity due to flow separation around square prisms. Experiments have been carried out f...
LAMINAR AIR FLOW FREE CONVECTIVE HEAT TRANSFER INSIDE A VERTICAL CIRCULAR PIPE WITH DIFFERENT INLET CONFIGURATIONS
laminar flow free convective heat transfer vertical pipe
2009/10/14
Free convection heat transfer has been experimentally investigated for laminar air flow in a vertical circular pipe by using the boundary condition of constant wall heat flux in the ranges of RaL from...
Time Varying Hydromagnetic Couette Flow with Heat Transfer of a Dusty Fluid in the Presence of Uniform Suction and Injection Considering the Hall Effect
Two phase flow Dusty fluids Heat transfer Hydromagnetic flow
2009/10/9
The time varying Couette flow with heat transfer of a dusty viscous incompressible electrically conducting fluid under the influence of a constant pressure gradient is studied without neglecting the H...
Investigation of Non-Newtonian Micropolar Fluid Flow with Uniform Suction/Blowing and Heat Generation
Stagnation point flow Stretching sheet Heat generation Finite difference method
2009/10/9
The steady laminar flow with heat generation of an incompressible non-Newtonian micropolar fluid impinging on a porous flat plate is investigated. A uniform suction or blowing is applied normal to the...
A reciprocal theorem for steady-state heat conduction problems
heat conduction reciprocal theorem steady-state thermal energy
2010/3/12
This paper presents a reciprocal theorem for steady-state heat conduction problems. Some examples illustrate the applications of the reciprocal relation formulated. The method applied is based on the ...
Nonlinear hydromagnetic flow, heat and mass transfer over an accelerating vertical surface with internal heat generation and thermal stratification
heat and mass transfer hydromagneti flcow laminar boundary layer similarity transformation
2010/3/11
The study of heat and mass transfer on nonlinear hydromagnetic °ow is of great practical importance to engineers because of its almost universal occurrence in many branches of science and engineering ...
Effects of chemical reaction, heat and mass transfer on non linear laminar boundary - layer flow over a wedge with suction or injection
chemical reaction (consumption and generation reactant) suction or injection at the wall of the wedge Boussinesq’s approximation steady laminarw and mass diffusive boundary-layer flo
2010/3/12
An approximate numerical solution for the steady laminar boundary-layer flow over a wall of the wedge with suction or injection in the presence of species concentration and mass diffusion has been obt...