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本工作对目前我们掌握的三个快堆子通道分析程序进行了比较和研究,这三个程序是THAS—PC 2(修正过的COBRA-Ⅳ微机版本),THI3D和SUPERENERGY。THAS-PC 2程序中无论内子通道还是边角子通道都把绕丝引起的流动扫掠(强迫交混)和横向压差引起的转向横流合并成一种定向对流,作为绕丝直径和螺距的函数来
This work compares and studies the three fast reactor subchannel analysis programs we currently have. These three programs are THAS-PC 2 (modified COBRA-IV computer version), THI3D and SUPERENERGY. In the THAS-PC 2 program, both the inner and side subchannels combine flow sweeping (forcing) and cross-flow cross-flow induced by lateral pressure differentials into a directional convection as a function of wire diameter and pitch