New method for calculation of integral characteristics of thermal plumes

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Abstract

A method for calculation of integral characteristics of thermal plumes is proposed. The method allows for determination of the integral parameters of plumes based on speed measurements performed with omnidirectional low velocity thermoanemometers. The method includes a procedure for calculation of the directional velocity (upward component of the mean velocity). The method is applied for determination of the characteristics of an asymmetric thermal plume generated by a sitting person. The method was validated in full-scale experiments in a climatic chamber with a thermal manikin as a simulator of a sitting occupant. The improvement in calculation of the characteristics of the thermal plume achieved with the developed method, in comparison with methods used and reported in the literature, is demonstrated.
Original languageEnglish
Title of host publicationIndoor Air 2008: Proceedings of the 11th International Conference on Indoor Air Quality and Climate
EditorsPeter Strøm-Tejsen, Bjarne W. Olesen, Pawel Wargocki, Daria Zukowska, Jørn Toftum
Number of pages725
Place of PublicationCopenhagen, Denmark
PublisherTechnical University of Denmark
Publication date2008
ISBN (Print)9788778772701
Publication statusPublished - 2008
Event11th International Conference on Indoor Air Quality and Climate - Copenhagen, Denmark
Duration: 17 Aug 200822 Aug 2008
Conference number: 11
http://www.indoorair2008.org/

Conference

Conference11th International Conference on Indoor Air Quality and Climate
Number11
CountryDenmark
CityCopenhagen
Period17/08/200822/08/2008
Internet address

Keywords

  • Thermal plume
  • Speed
  • Integral characteristics
  • Thermal manikin
  • Low velocity thermaoanemometer

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