...Bharat Kumar Vakacharla; Basanta Kumar Rana A computational work is performed on laminar free convection from an isothermally heated spherical shaped open cavity with negligible wall thickness suspended in the air. Fluid flow and heat transfer are analyzed in detail by solving governing...

...Basant K. Jha; Muhammad M. Altine; Ayyub M. Hussaini This research work investigates the effect of point/line heat source/sink on free convection flow between two vertical channels with suction/injection. The Heaviside step function is used to model the constant heat source/sink, which...

...Chadwick D. Sevart; Theodore L. Bergman An iterative design algorithm is used to adjust the shape of a conducting solid body that is subjected to a surface heat flux and cooled simultaneously by free convection and radiation in order to reduce the overall thermal resistance. Parametric simulations...

... forced convection free convection boundary layer porous media LTNE The assumption in which the temperature fields of both fluid and solid phases are locally identical is termed as local thermal equilibrium (LTE), while the opposite situation in which the solid phase has a different...

...F. O. Pătrulescu; T. Groşan; I. Pop This paper studies the steady, free convection boundary layer flow about a vertical, isothermal plate embedded in a non-Darcy bidisperse porous medium (BDPM). An appropriate mathematical model is proposed. The boundary layer analysis leads to a system of partial...

... mixtures under free convection. The investigation considered the effects of the noncondensable gas concentration, surface subcooling temperature, and pressure. The thicknesses of the liquid and gas films increase gradually along the wall from top to bottom, whereas the local heat transfer coefficient...

... the strip's edge. In addition to these novelties, a numerical model is developed to verify the analytical framework, and an excellent agreement is observed between the analytical and numerical models. free convection isothermal strip integral method plume heat transfer Convective heat...

..., and inclination angle on the heat transfer rate have been studied in detail. Empirical correlations defining the effect of these parameters on the heat transfer rate have been derived. heat transfer natural convection free convection narrow plates inclined plates separated plates isothermal plates...

...Matthew L. Roesle; David L. Lunde; Francis A. Kulacki For all of the tested emulsions, the single phase free convection heat transfer is hindered compared to water (Fig. 3 ). The effect is more pronounced at higher surface temperature, and for larger dispersed component volume fractions...

...: Ali Ebadian. 16 09 2011 17 08 2012 The effect of the chemical reaction and radiation absorption on the unsteady free convective flow of an incompressible viscous fluid through porous medium past a semi-infinite vertical permeable moving plate is studied. The system is stressed...

...J. Abolfazli Esfahani; B. Bagherian The transformation group theoretic approach is applied to perform an analysis of unsteady free convection flow over a vertical flat plate immersed in a power law fluid. The thermal boundary layer induced within a vertical semi-infinite layer of Boussinseq fluid...

...C. Y. Wang The natural or free convection in a polygonal duct with a heated core is solved by eigenfunction expansion and boundary collocation. The optimal sizes of the core for maximum flow or maximum energy transport are determined. References 1 Nield , D. A. , and Bejan...

... stratified flow vertical cylinder free convection thermal stratification Laplace transformation The problem of free convective flow about a moving vertical cylinder has wide range of applications in engineering and geophysics, such as nuclear reactor cooling system and underground energy...

...Massimo Corcione; Marta Cianfrini; Emanuele Habib; Alessandro Quintino Free convection heat transfer in nanofluids from vertical flat plates at uniform temperature is investigated theoretically. The main idea upon which the present work is based is that nanofluids behave more like single-phase...

...D. Srinivasacharya; Ch. RamReddy This paper analyzes the flow and heat and mass transfer characteristics of the free convection on a vertical plate with uniform and constant heat and mass fluxes in a doubly stratified micropolar fluid. The nonlinear governing equations and their associated boundary...

...Basant K. Jha; Clement A. Apere This paper considers the unsteady MHD free convective Couette flow of a viscous incompressible electrically conducting fluid between two parallel vertical porous plates. Both cases of the applied magnetic field being fixed either to the fluid or to the moving porous...

...W. A. Khan; I. Pop A similarity solution is presented for the steady free convection boundary layer flow past a horizontal flat plate embedded in a porous medium filled with nanofluids. The model used for the nanofluid is the one which incorporates the effects of Brownian motion and thermophoresis...

...S.V.S.S.N.V.G. Krishna Murthy; B.V. Rathish Kumar; Peeyush Chandra; Vivek Sangwan; Mohit Nigam This study examines the influence of Soret and Dufour effects on double diffusive free convection due to wavy vertical surface immersed in a fluid saturated semi-infinite porous medium under Darcian...

...Basant K. Jha; Abiodun O. Ajibade This article investigates the influence of diffusion-thermo effect on transient free convective heat and mass transfer flow in a channel bounded by two infinite vertical parallel plates. Fully developed laminar flow is considered when the boundaries are subjected...

...M. E. Poulad; D. Naylor; P. H. Oosthuizen Laser interferometry is combined with high-speed digital cinematography to measure time-averaged transient and turbulent convective heat transfer rates. The method is applied to study free convection in a tall vertical air-filled enclosure. Measurements...