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首页> 美国政府科技报告 >Numerical Modeling of a Fast-Neutron Collimator for the Alcator A Fusion Device
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Numerical Modeling of a Fast-Neutron Collimator for the Alcator A Fusion Device

机译：alcator a融合装置快中子准直器的数值模拟

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A numerical procedure is developed to analyze neutron collimators used for spatial neutron measurements of plasma neutrons. The procedure is based upon Monte-Carlo methods and uses a standard Monte-Carlo code. The specific developments described herein involve a new approach to represent complex spatial details in a method that is conservative of computer time, retains accuracy and required only modest changes in already-developed Monte-Carlo procedures. The procedure was used to model the Alcator A collimator. The collimator consists of 448 cells and has a measured spatial point source response of 0.7 cm. The numerical procedure successfully predicts this response. (ERA citation 08:013474)

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