%0 Journal Article
%T The space characteristics and the results of numerical computing of the radon field around a collapse column<br>煤田陷落柱氡气场的数值计算及空间形态分布特征
%A LIU Tai Feng AN Hai Zhong KANG Jun Jian ZHOU Rui Shijiazhuang University of Economics
%A Shijiazhuang
%A China
%A <br>刘泰峰
%A 安海忠
%A 亢俊健
%A 周瑞
%J 地球物理学报
%D 2004
%I 
%X According to the theory of flow diffusion and convection, three dimensional state equation of radon field is established for constant and variable diffusion coefficient and convection rate. The numerical solutions for different coefficient and different boundary conditions are obtained for two models of radon field which have respectively source in the side and inside of collapse column. The numerical computations have been made using difference method for difference characteristics and boundary conditions. The computation results show the state features of radon field in space. The results of the field survey and model test are coincide.
%K Collapse column
%K Radon field
%K Numerical computing
%K State characteristics<br>流体场
%K 陷落柱
%K 氡气场
%K 数值计算
%K 煤田
%K 空间形态分布特征
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=1E44AE713D8A6DE0&jid=14DC41C59CBF6770055A7D610D53AE46&aid=C6845E45C6D2CE56&yid=D0E58B75BFD8E51C&vid=F4B561950EE1D31A&iid=CA4FD0336C81A37A&sid=73579BC9CFB2D787&eid=6425DAE0271BB751&journal_id=0001-5733&journal_name=地球物理学报&referenced_num=6&reference_num=6