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Baoqing Deng,김창녕,Daqiang Ge,Li Lu,Di Ge,Jiajia Li,Yuan Guo 한국화학공학회 2014 Korean Journal of Chemical Engineering Vol.31 No.6
Radiation distribution in a photoreactor with multiple mediums is solved by the P-1 model. The UV lampis included in the computational domain. An additional source term method is presented to describe the generation ofUV light, which can avoid the use of analytical lamp emission model at the lamp surface. The boundary condition forincident radiation at the semi-transparent wall between adjacent mediums has been derived to link the P-1 equationsin adjacent mediums, which enables the present model to adapt to the photoreactor with complicated structure. Thepredicted incident radiation agrees well with the experimental data in literature. The effects of absorption coefficient,scattering coefficient and phase function of lamp plasma on the radiation distribution are discussed in detail.