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Thermal imaging study of scalar transport in shallow wakes
  • ISSN号:1001-6058
  • 期刊名称:Journal of Hydrodynamics
  • 时间:2011.7.15
  • 页码:17-24
  • 分类:TN21[电子电信—物理电子学] O4[理学—物理]
  • 作者机构:[1]Department of Engineering,University of Cambridge,Cambridge, [2]KW Ltd,Fetcham,Surrey,UK, [3]College of Water Conservancy and I tydropowcr Engineering,, Hohai University, Nanjing 210098, China
  • 相关基金:supported by the Non-profit Public Research Project of Ministry of Water Resources(Grant No.200901005); the National Natural Science Foundation of China(Grant No.50879019); the Research Fund for Doctoral Program of Higher Education(Grant No.200802940001)
  • 相关项目:水沙运动过程及模拟
中文摘要:

The thermal imaging technique relies on the usage of infrared signal to detect the temperature field.Using temperature as a flow tracer,thermography is used to investigate the scalar transport in the shallow-water wake generated by an emergent circular cylinder.Thermal imaging is demonstrated to be a good quantitative flow visualization technique for studying turbulent mixing phenomena in shallow waters.A key advantage of the thermal imaging method over other scalar measurement techniques,such as the Laser Induced Fluorescence(LIF)and Planar Concentration Analysis(PCA)methods,is that it involves a very simple experimental setup.The dispersion characteristics captured with this technique are found to be similar to past studies with traditional measurement techniques.

英文摘要:

The thermal imaging technique relies on the usage of infrared signal to detect the temperature field.Using temperature as a flow tracer,thermography is used to investigate the scalar transport in the shallow-water wake generated by an emergent circular cylinder.Thermal imaging is demonstrated to be a good quantitative flow visualization technique for studying turbulent mixing phenomena in shallow waters.A key advantage of the thermal imaging method over other scalar measurement techniques,such as the Laser Induced Fluorescence(LIF)and Planar Concentration Analysis(PCA)methods,is that it involves a very simple experimental setup.The dispersion characteristics captured with this technique are found to be similar to past studies with traditional measurement techniques.

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期刊信息
  • 《水动力学研究与进展:英文版》
  • 中国科技核心期刊
  • 主管单位:中国船舶重工集团公司
  • 主办单位:中国船舶科学研究中心
  • 主编:矣有生
  • 地址:上海高雄路185号
  • 邮编:200011
  • 邮箱:jhdzhou@aliyun.com
  • 电话:021-63150072
  • 国际标准刊号:ISSN:1001-6058
  • 国内统一刊号:ISSN:31-1563/T
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:427