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Numerical Simulation of Multiphase Pipe Flow

Abstract

随着社会工业化的发展,对能源的需要日益增加,而一次能源的不断消耗,使得环境受到严重危害,能源结构急需调整。新能源逐渐显现出其优势和重要性,而核能又是新能源中最环保、清洁、能量密度最高的能源。因此,核能在能源需求加剧的今天显得尤为重要。核能需要有效长远发展,安全运行是首要条件。 核电系统循环回路管道中,常伴随着颗粒状腐蚀产物的产生,随着流体向前运动或沉积到设备发热部位,形成一定高度的床层,引发二次流的产生,对核电回路材料安全带来严重威胁。本文对带有三种不同床层(Bh=0,0.25,0.5)的圆管进行单相流和多相流数值模拟计算分析。对非圆截面的管流研究目前非常少见,本文的工作具有较高的创新性和应...With the rapid industrialization, the demand for energy is much greater than ever before. However, the environment has been seriously damaged owing to the increasing consumption of the primary energy. New energy is gradually showing its advantages and importance, of which nuclear energy is the most environmental-friendly clean energy with the highest energy density. For the long-term development o...学位:理学硕士院系专业:能源研究院_核科学与工程学号:3242011115213

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