2429 垂直管内気液対向二相流に対する圧力エネルギー消費率最小の原理の適用性評価

概要

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Counter-current flow (CCF) is one of the most important phenomena in loss of coolant accident of right water reactors, since the CCF phenomena affects the mass flow rate for core cooling by limiting the water flow from the upper plenum to the core. On the other hand, a concept of "Minimum pressure energy consumption rate" was proposed by authors to predict the flow characteristics of two-phase flow. It was successfully verified that the concept could be applicable to the low mass velocity two-phase flow in a vertical pipe.. In the present study, it is experimentally investigated whether the concept of the minimum pressure consumption rate is applicable for the CCFL as well as for the low mass velocity two-phase flow in a vertical pipe.
一般社団法人日本機械学会の論文
2000-07-31