任茜,黄忠,盛锋.ACP1000冷却水管道采用超疏水表面湍流流动数值模拟[J].装备环境工程,2022,19(8):143-147. REN Qian,HUANG Zhong,SHENG Feng.Numerical Simulation of Turbulent Flow of ACP1000 Cooling Water Pipeline with Superhydrophobic Surfaces[J].Equipment Environmental Engineering,2022,19(8):143-147.
ACP1000冷却水管道采用超疏水表面湍流流动数值模拟
Numerical Simulation of Turbulent Flow of ACP1000 Cooling Water Pipeline with Superhydrophobic Surfaces
  
DOI:10.7643/issn.1672-9242.2022.08.017
中文关键词:  超疏水表面  圆管  湍流  数值模拟  ACP1000  冷却水管道  气液比中图分类号:TL364+.2 文献标识码:A 文章编号:1672-9242(2022)08-0143-05
英文关键词:superhydrophobic surface  circular pipe  turbulent flow  numerical simulation  ACP1000  cooling water pipeline  gas fraction
基金项目:
作者单位
任茜 中国核电工程有限公司,北京 100840 
黄忠 中国核电工程有限公司,北京 100840 
盛锋 中国核电工程有限公司,北京 100840 
AuthorInstitution
REN Qian China Nuclear Power Engineering Co., Ltd., Beijing 100840, China 
HUANG Zhong China Nuclear Power Engineering Co., Ltd., Beijing 100840, China 
SHENG Feng China Nuclear Power Engineering Co., Ltd., Beijing 100840, China 
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中文摘要:
      目的 探索超疏水表面对ACP1000冷却水管道内流体流动的减阻性能和潜在工程应用,对冷却水管道内的湍流流动进行数值模拟计算,研究具有超疏水表面内壁的冷却水圆管管道内湍流的流动特性。方法 对超疏水表面采用交替的气–液、液–固表面进行模拟,湍流流动采用二维轴对称方法进行数值模拟计算。结果 随着超疏水表面气液比的增大,冷却水圆管内湍流流动的摩擦阻力系数随之减小;随着超疏水表面气液比的增大,冷却水圆管内湍流流动的能量损失随之降低。结论 超疏水表面的应用能够优化ACP1000冷却系统冷却水管道的流动性能。此结果对于未来进一步优化核电站冷却水系统设计提供了理论基础。
英文摘要:
      The paper aims to explore the drag reduction performance and potential engineering applications of the superhydrophobic surface on the fluid flow in the ACP1000 cooling water pipe, numerically simulate the turbulent flow in the cooling water pipe , and study the flow characteristics of the turbulent flow in the cooling water pipe with a superhydrophobic surface inner wall. The superhydrophobic surface is simulated by alternating gas-liquid and liquid-solid surfaces, and the turbulent flow is simulated by a two-dimensional axisymmetric method. Numerical calculation result showes that with the increase of the gas fraction of the superhydrophobic surface, the skin-friction coefficient of the turbulent flow in the cooling water tube decreases; with the increase of the gas fraction of the superhydrophobic surface, the energy loss of the turbulent flow in the cooling water tube is reduced accordingly. Therefore, the application of superhydrophobic surface can optimize the flow performance of the cooling water pipes of the ACP1000 cooling system. This result provides a theoretical basis for further optimization of the cooling water system design of nuclear power plants in the future.
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