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堆芯中央
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  core center
     The results show that the core flow distribution is not uniform, with the flow in the core center assemblies being rather high while the flow in the edge assemblies is much less.
     数值计算结果表明 :堆芯流量分配比较均匀 ,位于堆芯中央组件的流量较大 ,而位于堆芯边缘组件的流量较小。
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     Central Station
     中央车站
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     Central Conservatory Of Music
     中央音乐学院
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     PLASMA BURNING AND CONTROL IN REACTOR CORE
     堆芯等离子体燃烧和控制
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     Core Design for AC-600
     AC—600堆芯设计
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  core center
Characteristics of Neutron Fields at the Core Center of the БР-1 Reactor and at Various Distances from It
      
The results of measurements of the characteristics of neutron fields at the core center and at various distances from it along the longitudinal axis of the experimental hall of the fast БР-1 reactor are presented.
      
Characteristics of the neutron field at the core center in the ИBB-2M water-moderated water-cooled reactor
      
Thus, the recovery of Cyt b-559 HP form was the primary reaction in the photoreactivation, which was stimulated by the light-induced redox reaction of the PS-II core center.
      
The results of investigations of the representation of the fission neutron spectra of235U,239Pu, and252Cf and neutron spectra at the core center of fast reactors as a superposition of five Weisskopf functions are presented.
      
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The computational fluid dynamics program CFX5 was used to analyze the flow processes in a pool type nuclear reactor with planar fuel assemblies, to provide reference data for reactor design optimization and safe operation. The results show that the core flow distribution is not uniform, with the flow in the core center assemblies being rather high while the flow in the edge assemblies is much less. The differential pressure between the reactor inlet and outlet with an enclosure is almost the same as the differential...

The computational fluid dynamics program CFX5 was used to analyze the flow processes in a pool type nuclear reactor with planar fuel assemblies, to provide reference data for reactor design optimization and safe operation. The results show that the core flow distribution is not uniform, with the flow in the core center assemblies being rather high while the flow in the edge assemblies is much less. The differential pressure between the reactor inlet and outlet with an enclosure is almost the same as the differential pressure without an enclosure for the same flow rate. The maximum and minimum differences of the flow rates in each fuel assembly from the average flow rate varies little with changes in the averge flow rate. The flow distribution in the reactor with an enclosure is also similar to that without an enclosure. Therefore, an enclosure would not help improve the flow distribution within the core.

为优化板型燃料组件池式反应堆设计 ,采用商用流体力学计算程序 CFX5对堆内流场进行了数值模拟。数值计算结果表明 :堆芯流量分配比较均匀 ,位于堆芯中央组件的流量较大 ,而位于堆芯边缘组件的流量较小。安装围桶的堆进出口差压与没有围桶的堆进出口差压很接近 ,随着堆入口流量增大 ,堆芯各组件流量与组件平均流量的最大误差和最小误差变化很小。安装围桶的堆芯流量分配情况与没有围桶的堆芯流量分配情况近似 ,安装围桶不能有效改善堆芯各组件的流量分配

 
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