...Chadwick D. Sevart; Theodore L. Bergman A solid growth method (SGM) and a dual solid method (DSM), both recently developed, are each used to predict solid shapes that provide minimal total (conduction + radiation) resistance to heat transfer in a system involving conduction in a solid whose shape...

...Arnab Mukherjee; Vikrant Chadrakar; Jnana Ranjan Senapati The current analysis examines the thermofluid properties of an infrared suppression (IRS) system with louvered conical diathermic funnel walls in the presence of surface radiation. An IRS device's flow and heat transfer characteristics...

...Y. Haseli; G. F. Naterer This article presents new semi-analytical solutions for transient heat conduction in a slab, which exchanges heat at the surface with its surroundings via convection, radiation, or simultaneous convection–radiation mechanisms. The concept of thermal penetration depth...

...Chadwick D. Sevart; Theodore L. Bergman The topological optimization of a conducting solid simultaneously cooled by (i) conduction to a stationary, radiatively nonparticipating fluid and (ii) surface-to-surface radiation exchange is performed to minimize the overall thermal resistance of the solid...

...Z. Annasabi; F. Erchiqui; M. Souli This paper concerns the joint application of the B-spline method and the Kirchhoff transformation to solve the nonlinear problem of thermal conduction with radiation type boundary conditions. The proposed method requires few iterations, sometimes none, for solids...

...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...

...Shashi Prabha Gogate S.; Bharathi M. C.; Ramesh B. Kudenatti This paper studies the local thermal nonequilibrium (LTNE) model for two-dimensional mixed convection boundary-layer flow over a wedge, which is embedded in a porous medium in the presence of radiation and viscous dissipation...

... and radiation effects. The error between linear and nonlinear methodologies is found to be within 60%. Furthermore, the maximum error between the closed-form solution based on the differential transformation method (DTM), and the numerical solution is observed as 0.5%. After necessary validations, optimization...

... numerically by finite volume computational fluid dynamics (CFD) coupled to a Monte Carlo radiation solver for a nongray absorbing, emitting, and scattering participating medium. Implemented are Langmuir–Hinshelwood kinetic rate expressions and size-dependent properties for charcoal particles undergoing...

... of a horizontal jet flame governed by buoyancy and momentum. We introduce the flame trajectory equation into the linear source equation of radiation to establish a new model. The flame length ratio is calculated by flame trajectory length, horizontal projected flame length, and vertical projected flame height...

... radial wire such as the hot-wire test. In thick insulation under steady state conditions, the radiation heat transfer through the cellular solid insulation may be more significant. In addition, radiation effects will differ if the mean free path of radiation is an order of magnitude smaller than...

.... The effects of induced magnetic field and thermal radiation have also been duly taken into account. The nonlinear partial differential equations arising out of the mathematical analysis of the problem are transformed into a system of nonlinear ordinary differential equations by using similarity transformation...

...-Solid Flows , Cambridge University Press , New York . [3] Ozkaynak , T. , Chen , J. C. , and Frankenfield , T. R. , 1983 , “ An Experimental Investigation of Radiation Heat Transfer in a High Temperature Fluidized Bed ,” Fluidization, K. Dunii and R. Toei , eds...

... reference temperature can be defined, the method results in errors. The multisource k-distribution method extends the k-distribution method to problems with piecewise constant temperature and optical properties. radiation transport heat transfer spectral For isotropic scattering and diffuse...

...-Ping Tan. 19 12 2012 02 05 2013 The radiation effect on a steady two-dimensional boundary layer flow of a dusty fluid over a stretching sheet is analyzed. The governing nonlinear partial differential equations have been transformed by a similarity transformation into a system...

... cycle consists of a high-temperature endothermic reduction step, in which concentrated solar radiation is used as the exclusive source of process heat, and a low-temperature exothermic oxidation step. The net result is the splitting of water or carbon dioxide. Solar step: (1) CeO 2 ( s...

...Maathangi Sankar; Sandip Mazumder References [1] Modest , M. F. , 2003 , Radiative Heat Transfer , 2nd ed. , Academic , New York . [2] Siegel , R. , and Howell , J. , 2001 , Thermal Radiation Heat Transfer , 4th ed. , Taylor and Francis-Hemisphere , London . [3...

.... The sides BC , CD , and DE are subjected to radiation heat transfer, while the sides JI , IH , HG , GF , and FE are considered to be adiabatic boundaries. The data of the problem are given by L = 100    cm , k = 40 ( W / ( m - ° C ) ) , q · = 10 ( W...

...S. Abishek; R. Narayanaswamy This paper delineates the results of an investigation on the combined effects of buoyancy and surface-radiation on heat transfer from an isothermal surface, subjected to a confined submerged impinging air-jet issuing from a slot-nozzle. The nondimensionalized governing...

...N. Ahmed An exact solution to the problem of MHD transient free convection and mass transfer flow of a viscous, incompressible, and electrically conducting fluid past a suddenly started infinite vertical plate taking into account the thermal diffusion as well as the thermal radiation is presented...