... Abstract A topology-optimized structure for thermal management is developed. The topology optimization is performed based on the minimization of objective functions under natural convection in two-dimensional space. The Boussinesq approximation is included in the momentum equation to simulate...

...HTD-Vol. 364-1, Proceedings of the ASME Heat Transfer Division 1999 Volume 1 ASME 1999 NATURAL CONVECTION TO POWER-LAW FLUIDS FROM A HEATED VERTICAL PLATE UNDER MIXED THERMAL BOUNDARY CONDITIONS Elif Buyiik Department of Mechanical Engineering Trakya University 22030 Edirne, Turkey Mehmet C. Ece...

... Abstract Air natural convection on a vertical isoflux plate with a downstream unheated extension and a facing parallel shroud has been experimentally investigated, for different values of the wall heat flux and of the geometrical parameters. In most configurations the adiabatic extension...

... solution. The nutrient is then brought to the upper part of the autoclave by natural convection of the solution due to a temperature difference and deposited onto the seed crystals at a lower temperature. A good understanding of such a bulk flow is therefore essential for the control of the rate of crystal...

... Abstract This experimental paper analyzes the effects of auxiliary plate position along the centerline of a vertical channel on combined air natural convective and radiative heat transfer. These configurations can be found in the telecommunication systems and electronic cabinets with vertical...

... Abstract In the present work, an important basic flow phenomena, the natural convection induced flow, is studied numerically. Three-dimensional Navier-Stokes equations along with the temperature equation are solved on the basis of finite difference method. Generalized coordinate system is used...

... Abstract With a simple, inexpensive apparatus natural convective heat transfer is determined experimentally and compared to theoretical values as part of an undergraduate laboratory. A cylindrical heating cartridge is placed horizontally through the wall of a clear plastic tank. The tank...

... Abstract Fins are commonly employed for cooling of electronic equipment, compressors, Internal Combustion engines and for heat exchange in various heat exchangers. In short fin (length to height ratio, L/H = 5) arrays used for natural convection cooling, a stagnation zone forms at the central...

... Abstract A numerical study on natural convection heat transfer in a right triangular solar collector filled with CNT-water and Cuwater nanofluids has been conducted. The inclined wall and the bottom wall of the cavity are maintained at a relatively lower temperature (T c ), and higher...

... Abstract In this work, a numerical investigation on two-dimensional steady state natural convection in a horizontal channel partially filled with a porous medium and heated at uniform heat flux from above is carried out. The lower plate is adiabatic. The porous medium is modeled using...

... convection horizontal plate yield stress fluid NATURAL CONVECTION IN YIELD STRESS FLUIDS FROM A CONFINED HORIZONTAL PLATE S.A. Patel1*, A.H. Raja2, R.P. Chhabra1 1 Department of Chemical Engineering, IIT Ropar, Rupnagar, Punjab 140001 India 2 Indian Oil Corporation Ltd., Bijapur, Karnataka 586104 India...

... Abstract Simultaneous natural convective heat transfer from the top, bottom and side surfaces of two-sided inclined square plates having various thicknesses has been numerically investigated. The aim of this work is to determine whether the plate thickness has a significant influence...

... management and could provide more rounds for users. In addition, titanium barrels would have a weight drop of 41% while the overall barrel’s temperature increases by 49%. thermal stability thermal analysis transient heat transfer natural convection non-circular cylinders variable thermal...

... is then used to analyze mainly the natural convective heat transfer, velocity and temperature distributions for the single span greenhouse, as well as multi-span greenhouses (containing two and three spans). The greenhouse CFD model floor is heated, and the walls are adiabatic, corresponding to Rayleigh-Bénard...

... 1 Copyright © 2013 by ASME NATURAL CONVECTION THROUGH AN OPEN CAVITY HEATED FROM THE SIDE AND FILLED WITH FLUID AND DISCRETE SOLID BLOCKS A.T. FRANCO Thermal Sciences Laboratory Federal University of Technology Paraná Curitiba-PR, 80230-901, Brazil [email protected] S.L.M. JUNQUEIRA Thermal...

... Natural convective heat transfer from a vertical isothermal cylinder mounted on a flat adiabatic base has been numerically studied. The cylinder has an exposed top surface. The cylinder is relatively very short, i.e., has a height that is equal to or less than the cylinder diameter. Both...

... A numerical solution of heat transfer by combined natural convection and surface radiation in a square enclosure with thick adiabatic top and bottom walls and isothermal vertical walls is presented. The present model was used to obtain new results with the addition of thermal conduction...

... author. Phone: 813-9745625, Fax: 813-9743539, e-mail: [email protected] (M M. Rahman) Keywords: Thermal energy storage, natural convection, phase change material, solidification within a sphere NOMENCLATURE case cp specific heat at constant pressure (J/kg K) Fourier number (kt/Ri2) Grashof number (g...

... Notched Fins Natural Convection Notched Plate Fin Pin Fin Heat Sinks Heat Sinks In electronic components, it is essential to provide for adequate cooling to ensure that overheating does not affect the performance. It has been observed that for short fins, (L/H ≤ 5) due to formation...

... We studied the reduction of natural convection heat loss from a solar thermal collector by placing a high-porosity porous medium above the collector plate in a solar thermal collector system. It is known that natural convection can be diminished in a porous medium. In order to use a porous...