Model calculating annual mean atmospheric dispersion factor for coastal site of nuclear power plant

This paper describes an atmospheric dispersion field experiment performed on the coastal site of nuclear power plant in the east part of China during 1995 to 1996. The three-dimension joint frequency are obtained by hourly observation of wind and temperature on a 100m high tower; the frequency of the “event day of land and sea breezes” are given by observation of surface wind and land and sea breezes; the diffusion parameters are got from measurements of turbulent and wind tunnel simulation test.A new model calculating the annual mean atmospheric dispersion factor for coastal site of nuclear power plant is developed and established.This model considers not only the effect from mixing release and mixed layer but also the effect from the internal boundary layer and variation of diffusion parameters due to the distance from coast.The comparison between results obtained by the new model and current model shows that the ratio of annual mean atmospheric dispersion factor gained by the new model and the current one is about 2.0.

作 者： Hu Er-bang YAO Ren-tai ZHANG Mao-shuan Gao Zhan-rong WANG Shu-Xian CHEN Jia-Yi JIA Pei-rong LIAO Qi-lin   作者單位： Hu Er-bang,YAO Ren-tai,ZHANG Mao-shuan,Gao Zhan-rong,WANG Shu-Xian(China Institute for Radiation Protection,)

CHEN Jia-Yi(Beijing University,)

JIA Pei-rong(The Second Research and Design Institute of Nuclear Industry,)

LIAO Qi-lin(Fujina Nuclear Power Office,) 

刊 名： 環(huán)境科學(xué)學(xué)報(bào)(英文版)  ISTIC SCI 英文刊名： ENVIRONMENT AL SCIENCES  年，卷(期)： 2001 13(3)  分類號： Xl2  關(guān)鍵詞：  

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