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Separation calculation method of heat transfer in furnace of large boilers

HONG Mei, DONG Peng, QIN Yu kun (College of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China)  
With the development of economy, there are higher demands for heat transfer in furnace of boiler. In this paper, the separation calculation method of heat transfer in furnace of large boilers is put forwarded, in which, the radiative superheater bottom is taken as interface and the whole furnace is divided into two parts. Zero dimension heat transfer model is used in down furnace. Three dimension heat transfer model is used in up furnace, which the Second Order Imaginary Plane Method is chosen as heat transfer model. It is showed that the accurate temperature and heat flux field in the radiative superheater zone can be obtained by comparing them with design data. This method deserves to be further studied and verified.
【CateGory Index】: TK224
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