| RADIATION FIELD FROM A RECTANGULAR PLAQUE SOURCE FOR RADIATION PROCESSING |
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| 作者姓名： | 冯永样 李志良 李盘林 许梦杰 |
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| 作者单位： | Shanghai University of Science and Technology Shanghai 201800 China.，Shanghai University of Science and Technology Shanghai 201800 China.，Institute of Nuclear Research Academia Sinica Shanghai 201800 China，Shanghai University of Science and Technology Shanghai 201800 China. |
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| 摘 要： | Evaluation of the Hubbell integral for an omnidirectional detector response to a rectangular plaque gamma emitting radiation source using a different numerical computation method on a personal computer was made. For a plaque consisting of several strip gamma emitters, exposure rates at different positions above the source were calculated using 'exact' evaluation and an approximate method. Optimization method is used to find source activity of each strip, so as to acquire desirable dose uniformity of the irradiated products. In uses of the Hubbell integral, by introducing appropriate programming, computation time can be saved.
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RADIATION FIELD FROM A RECTANGULAR PLAQUE SOURCE FOR RADIATION PROCESSING |
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| Feng Yongxiang Li Zhiliang,Li Panlin and Xu Mengjie.RADIATION FIELD FROM A RECTANGULAR PLAQUE SOURCE FOR RADIATION PROCESSING[J].Nuclear Science and Techniques,1993(3). |
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| Authors: | Feng Yongxiang Li Zhiliang Li Panlin and Xu Mengjie |
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| Abstract: | Evaluation of the Hubbell integral for an omnidirectional detector response to a rectangular plaque gamma emitting radiation source using a different numerical computation method on a personal computer was made. For a plaque consisting of several strip gamma emitters, exposure rates at different positions above the source were calculated using 'exact' evaluation and an approximate method. Optimization method is used to find source activity of each strip, so as to acquire desirable dose uniformity of the irradiated products. In uses of the Hubbell integral, by introducing appropriate programming, computation time can be saved. |
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| Keywords: | Numerical solution ~(60)Co source Radioactivity Hubbell integral |
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