2020
DOI: 10.1016/j.ijheatmasstransfer.2020.120155
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A numerical predictive model for conjugate heat transfer with radiation

Abstract: Taking into account radiation effects is a crucial part of the design and optimization of applications involving high temperatures. This paper outlines the development of a predictive coupling model for steady state conjugate heat transfer problems including radiative boundary conditions that models radiative exchanges between gray walls in a transparent medium. This canonical model is based on the Godunov-Ryabenkii normal mode analysis theory. The general expression of the amplification factor, the stability … Show more

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Cited by 14 publications
(3 citation statements)
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“…In fact, the radiative effects of heating coils and the substrate were usually overlooked, which make a prominent contribution to the fluxes of heat transfer, especially for the high temperature cases. [16][17][18] Besides, considering the contact area of a substrate and the reactor wall is very small (only the edges are contacted), the conductive heat transfer can be ignored. Hence, a steady-state heat balance model of the substrate involving the fluxes of absorption, emission, and convection was established (Figure 1a).…”
Section: Inherent Thermal Effect Of Substratesmentioning
confidence: 99%
“…In fact, the radiative effects of heating coils and the substrate were usually overlooked, which make a prominent contribution to the fluxes of heat transfer, especially for the high temperature cases. [16][17][18] Besides, considering the contact area of a substrate and the reactor wall is very small (only the edges are contacted), the conductive heat transfer can be ignored. Hence, a steady-state heat balance model of the substrate involving the fluxes of absorption, emission, and convection was established (Figure 1a).…”
Section: Inherent Thermal Effect Of Substratesmentioning
confidence: 99%
“…Solving conjugate heat transfer problems involves a set of partial differential equations, namely, Navier-Stokes equations, mass conservation equation and energy conservation equation for fluids, heat conduction equation for solids [1] and radiative transfer equations if radiation is also present [2]. Numerical methods approximate solutions for these equations as a general solution is unknown.…”
Section: Introductionmentioning
confidence: 99%
“…Koushik, and Arul Prakash (2020) analyzed the characteristics of heat transfer in 180 0 bend domain with a bypass in the divider section using Garlerkin Finite Element Method. Paul Errera et al (2020) developed a model of predictive coupling base on the Godunov-Ryabenkil regular mode study theory for stead state heat transfer problems with radiative boundary conditions. Dipak Sarma and Silpisikha Goswami (2020) studied analytically an unsteady heat and mass transfer flow over a vertical plate with porous medium.…”
Section: Introductionmentioning
confidence: 99%