... is a three-dimensional enclosure with three blocks which are assumed to have a fixed hot temperature T H . The bottom, front, and back sides are insulated, while the other surfaces are kept at a cold temperature. The study considers two cases for the movement of the upper lid: one where the lid moves...

... (S 12 ) 1.6 1.9 2.8 3.4 In this work, the ES-DRESOR method is developed to solve the radiative transfer problem in a three-dimensional participating medium. The formulae of the ES-DRESOR method in the three-dimensional system will be given in Sec. 2 . The solution accuracy...

... with 15 heat sources forms a wall of a duct. Three-dimensional governing equations of flow and heat transfer were solved in the flow domain along with the energy equation in the solid domain using FLUENT 6.3 . A database of temperatures of each of the heat sources for different heat distributions...

...Unnikrishnan Vadakkan; Suresh V. Garimella; Jayathi Y. Murthy A three-dimensional model has been developed to analyze the transient and steady-state performance of flat heat pipes subjected to heating with multiple discrete heat sources. Three-dimensional flow and energy equations are solved...

... was not heated. The exit water subcooling varied from 55 to 101 ° C , the exit pressure was maintained at 0.207 MPa, and the mass velocity was 0.59 Mg / m 2 s . The results consist of three-dimensional wall temperature distributions and a display of two-dimensional quasi-boiling curves. These results are among...

...J. H. Nie; B. F. Armaly Numerical simulations for incompressible three-dimensional laminar forced convection flow adjacent to backward-facing step in rectangular duct are performed to examine the reattachment region of the separated flow on the stepped wall. The feasibility of utilizing the two...

...Nejla Mahjoub Said; Hatem Mhiri; Salem El Golli; Georges Le Palec; Philippe Bournot The paper presents a three-dimensional numerical simulation of a circular turbulent jet issuing transversely into a uniform air stream. In the first part an air-helium jet is considered and the three-dimensional...

...L. B. Y. Aldabbagh; I. Sezai; A. A. Mohamad The flow and heat transfer characteristics of an impinging laminar square jet through cross-flow have been investigated numerically by using the three-dimensional Navier-Stokes and energy equations in steady state. The simulations have been carried out...

... Heat Transfer Modeling Three-Dimensional Turbulence Understanding turbulent heat and fluid flow through curved ducts is one of the primary factors for designing cooling passages in heat exchangers and turbine blades. It is well known that owing to the curvature, pressure induced secondary...

...L. M. Ruan; H. P. Tan In the present study, we use the Monte-Carlo (MC) method to simulate radiative heat transfer in three-dimensional inhomogeneous scattering unit cube with black or gray walls. The results show that the averaging method of non-uniform radiative properties in each medium element...

...A. Li and; B. F. Armaly Simulations of three-dimensional laminar buoyancy-assisting mixed convection adjacent to a backward-facing step in a vertical rectangular duct are presented to demonstrate the influence of Grashof number on the distributions of the Nusselt number, and the reverse flow...

...M. Greiner, Professor of Mechanical Engineering,; P. F. Fischer, Mathematician; H. M. Tufo, Assistant Computer Scientist; R. A. Wirtz, Professor of Mechanical Engineering, Spectral element simulations of three-dimensional flow and augmented convection in a flat passage downstream from a fully...

... Laminar Mixed Convection Three-Dimensional The heat transfer and fluid flow in porous-walled passages have received great attention in the past decades due to their wide applications. The porous-walled ducts are used in the transpiration cooling of high temperature thermal systems, gas-turbine...

...Yoshiyuki Yamaguchi; Yutaka Asako Three-dimensional natural convection heat transfer characteristics in a vertical air layer partitioned into cubical enclosures by partition walls of finite thermal conductivity and finite thickness were obtained numerically. The air layer is differentially heated...

...Shunichi Wakitani Numerical investigations are presented for three-dimensional natural convection at low Prandtl numbers (Pr) from 0 to 0.027 in rectangular enclosures with differentially heated vertical walls. Computations are carried out for the enclosures with aspect ratios (length/height) 2...

...I. Sezai; A. A. Mohamad The flow and heat transfer characteristics of impinging laminar jets issuing from rectangular slots of different aspect ratios have been investigated numerically through the solution of three-dimensional Navier-Stokes and energy equations in steady state. The three...

...Ben-Wen Li; Qiang Yao; Xin-Yu Cao; Ke-Fa Cen 12 September 1997 04 February 1998 05 12 2007 Computational Heat Transfer Numerical Methods Radiation Three-Dimensional Carlson, B. G., and Lathrop, K. D., 1968, “Transport Theory-The Method of Discrete Ordinates...