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液固两相流中固体颗粒对弯管冲蚀破坏的位置预测
  • ISSN号：0253-231X
  • 期刊名称：工程热物理学报
  • 时间：2014.4.15
  • 页码：691-694
  • 分类：TE83[石油与天然气工程—油气储运工程]
  • 作者机构：西安交通大学动力工程多相流国家重点实验室, 中国特种设备检测研究院
  • 相关基金：国家高技术研究发展计划(863计划)课题(No.2012AA040105-01);国家自然科学基金创新研究群体(No.51121092)
  • 相关项目：能源高效节约和可再生转化利用的多相流理论基础
作者： 王凯|李秀峰|王跃社*|陈彦霖|韩双|何仁洋|
关键词： 冲蚀破坏, 液固两相流, DPM模型, 冲蚀模型, 颗粒斯托克斯数
中文摘要：

在石油输送工业中,由于弯头内压力梯度、离心力、二次流等多种因素的作用,导致弯头内的冲蚀过程特别复杂,冲蚀破坏也十分严重。本文针对液固两相流条件下颗粒对弯管的冲蚀破坏,采用DPM模型,对离散相在拉格朗日框架下求解颗粒轨道方程,得出颗粒与壁面的碰撞信息,再将碰撞信息应用于冲蚀模型,从而预测出颗粒对弯管壁面的冲蚀破坏情况,并研究了颗粒斯托克斯数对冲蚀严重区域的影响。计算结果表明:冲蚀主要发生在弯管与出口直管连接处的外拱壁以及靠近弯头出口的直管段侧壁区域;当颗粒斯托克斯数较大时,由于二次流对颗粒的携带作用不充分,导致靠近弯头出口的直管段侧壁区域未出现严重冲蚀。

同期刊论文项目
能源高效节约和可再生转化利用的多相流理论基础
期刊论文 213 会议论文 205 专利 29 著作 7
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期刊信息
  • 《工程热物理学报》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国工程热物理学会 中国科学院工程热物理研究所
  • 主编：徐建中
  • 地址：北京2706信箱
  • 邮编：100080
  • 邮箱：xb@mail.etp.ac.cn
  • 电话：010-62584937
  • 国际标准刊号：ISSN：0253-231X
  • 国内统一刊号：ISSN：11-2091/O4
  • 邮发代号:2-185
  • 获奖情况:
  • 中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:21026