A zero-to onedimensional zone model for calculation of radiation heat transfer in furnaces and boilers is described. The mathematical procedure is similar to Hottel's zone method [1] but the exchange factors, which describe the heat transfer, are defined in a different and simpler manner. ...
Then this method used to calculate reduction heat transfer when radiation shields with temperature-dependent emissivity applied between these objects. Moreover, using this method the percentage reduction in heat transfer between two surfaces was calculated. The findings reveal that, one radiation shield ...
Stepwise calculation of the spectral intensity by the radiation transfer equation. 4.3. Schwarzschild Equation in a Thin Gas Equation (88) was derived under the assumption of a local thermodynamic equilibrium in the gas, which is generally the case at higher gas pressures and therefore higher collis...
Radiation Heat Exchange Between Isothermal Surfaces YanguoZhang, ...HuiZhou, inTheory and Calculation of Heat Transfer in Furnaces, 2016 Abstract This chapter will first describe theradiation heattransfer betweensolid surfaceswithout considering the effect of the medium among them, that is, the medium...
someofthefeaturesofradiantenergytransferprocess,and someofthefeaturesofradiantenergytransferprocess, thermalradiationofafewbasiclaw,simplecalculationof radiationheattransfer.Thislaw,thesimplecalculationof radiationheattransfer. Thecharacteristicsofthischapteraremorebasicconcepts. ...
Comparisons are also made with the experimental data to show the extent to which these calculation procedures are valid.doi:10.1016/B978-0-08-022695-8.50015-XF.M. El-MahallawyFlow, Mixing and Heat Transfer in Furnaces
This calculation method does not account for the variation in temperature between the base of the heat sink and tip of the fins which may be significant in forced convection, with long fins, heat sinks made from low conductivity material or a combination of these. Additionally the use of the...
Heat Transfer Calculation and Design for Radiant Type Heat Exchanger with Fins The equation of heat transter on radiant type heat exchanger with fins is established in the condition that thought of radiation heat transfer among fins, ... XL Han 被引量: 0发表: 2001年 HEAT RADIATION FIN FOR ...
Radiation heat flux calculation #1 chevalier_b New Member Join Date: Jan 2013 Posts: 4 Rep Power:13 Hi everybody ! I am currently trying to calculate a radiation heat flux with a 1D code to fit 3D Fluent results. The problem is that I can't find the emissivity of the material I'm ...
展开 关键词: engineering cavities radiant heat transfer calculation methods discrete ordinate method quadratures two-dimensional calculations energy transfer heat transfer 420400* -- engineering-- heat transfer & fluid flow DOI: 10.1115/1.3248182 被引量: 113 年份...