numerical study of flow and heat transfer in a molten fluxnumerical study of flow and heat transfer in a molten flux
Numerical Prediction of Fluid Flow and Heat Transfer in
Nov 15 2006 · A large amount of heat is deposited on the window and in the target during the course of nuclear reaction between the proton beam and the molten lead-bismuth eutectic (LBE) target. Simulations were carried out to predict the characteristics of the flow and temperature fields in the target module with a funnel-shaped flow guide and spherical
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Archival Journal Articles Heat and Mass Transfer
Chang Ailian HongGuang Sun K. Vafai and Erfan Kosari. "Numerical analysis of flow and forced convection heat transfer of non-Newtonian fluid in a pipe based on fractional constitutive model." International Journal of Numerical Methods for Heat Fluid Flow (2021). Hamzah Hudhaifa Ahmed Albojamal Besir Sahin and Kambiz Vafai. "Thermal management of transverse magnetic source
Get PriceFrontiers Study of Flow and Heat Transfer
An experimental study of the flow and heat transfer of LBE flowing in a circular tube under uniform heat-flux boundary conditions was carried out at the NCCL facility. A total of 19 cases with different conditions based on three pipes with different inner diameters were tested and a total of 152 heat-transfer data points covering a Péclet
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NUMERICAL ANALYSIS OF COMBINED NATURAL
The purpose if this paper is to study the combined effects of surface radiation and heat generation on the flow and heat transfer in the cavity. The surface emissivity . H. and the internal Rayleigh number . Ra. I. are parameters to be varied. 2. Mathematical formulation . Details of the geometry are shown in
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A Numerical Study of Flow and Heat Transfer Enhancement
Dec 06 2006 · The numerical study involves three-dimensional time-dependent modeling of unsteady laminar flow (330 ⩽ Re ⩽ 850) and conjugate heat transfer in the computational domain which is set up to model the entire fin length in the air flow direction. It was found that the impingement of winglet redirected flow on the downstream tube is an
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International Journal of Numerical Methods for Heat
Fei Wang Xiaobing Zhang. This study aims to present a numerical study on the flow and heat transfer performance of a water-cooled tube with protrusions in different geometrical parameters. pdf (3.3 ) Electro-magnetohydrodynamic flow and heat transfer of a third-grade fluid using a Darcy-Brinkman-Forchheimer model.
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Characteristics of Fully Developed Flow and Heat Transfer
Nov 07 2013 · Present study focuses on numerical investigation of fully developed flow and heat transfer through three channels having sine-shaped triangle-shaped and arc-shaped wall profiles. All computations are performed at Reynolds number of 600.
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Effect of process parameters on solidification of Al-33Cu
In twin roll strip casting process the solidification behavior in the molten pool affects the process efficiency and the product quality which is influenced by the process parameters. Numerical simulations have been carried out to analyze the fluid flow heat transfer and solidification in high speed twin roll strip caster at different pouring temperatures and roll gaps and the knowledge of
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Numerical Heat Transfer and Fluid Flow
Numerical Heat Transfer and Fluid Flow Here is a self-contained straigh tforward treatment of the practical details involved in computational activity for numerical heat transfer and fluid flow analysis. Intended as an introduction to the field the book emphasizes physical significance rather than mathematical manipulation.
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Heat Transfer and Pressure Drop of Liquids in Tubes
Convective heat transfer of molten salt-based nanofluid in a receiver tube with non-uniform heat flux. Numerical study on convective heat transfer and friction characteristics of molten salts in circular tubes. Experimental study of single-phase flow and heat transfer in rectangular channels under uniform and non-uniform heating.
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Mathematical modeling of transient flow and heat transfer
The Eulerian and Lagrangian approaches are used to perform a numerical study of the disperse phase dynamics turbulence and heat transfer in a turbulent gas-droplet flow in a tube with sudden
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Numerical and experimental study on heat transfer and
1 1 Numerical and experimental study on heat transfer and flow features of 2 representative molten salts for energy applications in turbulent tube flow 3 Yu Qiu Ming-Jia Li Meng-Jie Li Hong-Hu Zhang Bo Ning 4 Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education School of Energy and Power 5 Engineering Xi an Jiaotong University Xi an Shaanxi 710049 China
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EVALUATION OF PRESSURE EFFECT ON HEAT TRANSFER
Thus heat transfer coefficient at the metal- mold interface has a predominant effect on the rate of heat transfer. In some processes such as low pressure and die-casting the effect of pressure on molten metal will affect the rate of heat transfer at least at initial steps of solidification. In this study interfacial heat transfer
Get PriceInternational Journal of Numerical Methods for Heat and
A numerical study has been conducted for the characteristics of the periodically fully developed turbulent flow and heat transfer in a channel with transverse opposite-positioned fins. The
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Numerical study of flow and heat transfer in a molten flux
Numerical simulations are performed to study coupled fluid flow and heat transfer in a thin liquid slag or flux layer. The steady state Navier–Stokes equations are solved using the commercial
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Numerical investigation of flow and heat transfer in a
In the present contribution a numerical study of fluid flow and heat transfer performance in a pilot-scale multi-tubular fixed bed reactor for propylene to acrolein oxidation reaction is presented using computational fluid dynamics (CFD) method. Firstly a two-dimensional CFD model is developed to simulate flow behaviors catalytic oxidation reaction heat and mass transfer adopting porous
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Numerical Study of Flow and Heat Transfer in a Molten Flux
Numerical simulations are performed to study coupled fluid flow and heat transfer in a thin liquid slag or flux layer. The steady state Navier-Stokes equations are solved using the commercial finite volume code FLUENT. The combined effects of natural convection bottom shear velocity and strongly temperature dependent viscosity are investigated.
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(PDF) Numerical Study on the Corium Pool Heat Transfer
May 28 2020 · The stratified molten pool heat transfer experiment carried out by Royal Institute of Technology was analyzed in the paper and the solidified crust temperature and heat flux
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Numerical Study of Radiative Heat Flux Emitted by
Numerical model of the convective-radiative heat transfer of porous media was proposed. A stainless wire-net was used as porous media. The physical properties consisting of porosity (φ) and optical thickness (τ0) of porous media were independent variables. The air velocity was reported in the form of Reynolds number (Re). Two equations of the conservative energy with local thermal non
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(PDF) Numerical Study on the Corium Pool Heat Transfer
May 28 2020 · The stratified molten pool heat transfer experiment carried out by Royal Institute of Technology was analyzed in the paper and the solidified crust temperature and heat flux
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A Numerical Study of Flow and Heat Transfer Enhancement
Dec 06 2006 · The numerical study involves three-dimensional time-dependent modeling of unsteady laminar flow (330 ⩽ Re ⩽ 850) and conjugate heat transfer in the computational domain which is set up to model the entire fin length in the air flow direction. It was found that the impingement of winglet redirected flow on the downstream tube is an
Get PriceMathematical modeling of transient flow and heat transfer
The Eulerian and Lagrangian approaches are used to perform a numerical study of the disperse phase dynamics turbulence and heat transfer in a turbulent gas-droplet flow in a tube with sudden
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Numerical study of flow and heat transfer of water-Al2O3
Nov 15 2017 · Abstract. The present paper is a numerical study on heat transfer and pressure drop of a nanofluid including water as base fluid with Al 2 O 3 nanoparticles inside a square channel having an inner cylinder with and without fin under constant heat flux condition using two-phase Euler–Lagrange approach. Numerical investigation has been carried out for various combinations of base fluid
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(PDF) Numerical simulation of effects of flow
Gurau et al. 7 developed 2D fluid flow in the channels but the density variation because of mass transport was neglected.Yuan et al. 13 studied a 3D model with heat transfer and gas flow using Darcy model but study was limited to a single channel of a PEM fuel cell.
Get PriceNumerical Prediction of Fluid Flow and Heat Transfer in
Nov 15 2006 · A large amount of heat is deposited on the window and in the target during the course of nuclear reaction between the proton beam and the molten lead-bismuth eutectic (LBE) target. Simulations were carried out to predict the characteristics of the flow and temperature fields in the target module with a funnel-shaped flow guide and spherical
Get Price
Numerical and experimental study on heat transfer and flow
This article investigated the heat transfer performance and flow friction of molten salts in turbulent tube flow where four salts including Hitec Solar Salt NaF-NaBF 4 and FLiNaK were studied.A computational model was developed to analyze the flow and heat transfer features of the salts in the tube and experiments were conducted to test the heat transfer performance of a representative
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Numerical Study of Flow and Heat Transfer in a Curved
Vol. 5 No. 2 Celen et al. Numerical Study of Flow and Heat Transfer in a Curved 134 k thermal conductivity W∙m-1∙K-1 L duct length m Nu Nusselt number p pressure drop along the duct Pa q heat flux W∙m-2 P pressure Pa Pr Prandtl number -
Get PriceNUMERICAL ANALYSIS OF COMBINED NATURAL
The purpose if this paper is to study the combined effects of surface radiation and heat generation on the flow and heat transfer in the cavity. The surface emissivity . H. and the internal Rayleigh number . Ra. I. are parameters to be varied. 2. Mathematical formulation . Details of the geometry are shown in
Get Price
International Journal of Numerical Methods for Heat
Fei Wang Xiaobing Zhang. This study aims to present a numerical study on the flow and heat transfer performance of a water-cooled tube with protrusions in different geometrical parameters. pdf (3.3 ) Electro-magnetohydrodynamic flow and heat transfer of a third-grade fluid using a Darcy-Brinkman-Forchheimer model.
Get Price
