An experimental study of the thermal plume developed above a finite cylindrical heat source to validate the point source model

Bouzinaoui, Abdelhakim; Devienne, Rene; Fontaine, Jean Raymond

doi:10.1016/J.EXPTHERMFLUSCI.2006.06.010

Title: An experimental study of the thermal plume developed above a finite cylindrical heat source to validate the point source model

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Abstract

An experimental study of the thermal plume developed above a variable cylindrical source of finite dimensions was conducted with the aim of verifying the corresponding point source model. The heat source was a 1 m diameter, 1 m high cylinder featuring five zones (four 0.25 m high cylindrical surfaces and a top disk) of identical surface area. Two different configurations were tested: in the first, only the top surface of the cylinder was heated and, in the second, both the top disk and the related cylindrical zone were heated. Surface temperatures were chosen to maintain the same source convective power for both situations. A battery of nine anemometric probes recorded simultaneously plume velocity and temperature distributions. These measurements allowed the plume thermal and dynamic radii above the source to be deduced. These radii vary linearly with height and they enable the plume virtual origin to be situated. If the virtual origin of each source is taken as a starting point, we observe that, in both test cases, the plumes develop in the same way, effectively validating the point source model. Velocity measurements also allowed the plume flow rate to be evaluated. The values found agree closely with those calculated usingmore »« less

Authors:

Bouzinaoui, Abdelhakim; Devienne, Rene ^[1]; Fontaine, Jean Raymond ^[2]

LEMTA, Laboratoire de Modelisation pour la Prevention de la Pollution, Unite mixte INRS - LEMTA, CNRS UMR 7563, Avenue de la Foret de Haye, BP 160, 54504 Vandoeuvre-les-Nancy Cedex (France)
Departement Ingenierie des Procedes, Institut National de Recherche et de Securite, Avenue de Bourgogne, BP 27, 54501 Vandoeuvre-les-Nancy Cedex (France)

Publication Date:: Sun Jul 15 00:00:00 EDT 2007

OSTI Identifier:: 20885458

Resource Type:: Journal Article

Journal Name:: Experimental Thermal and Fluid Science

Additional Journal Information:: Journal Volume: 31; Journal Issue: 7; Other Information: Elsevier Ltd. All rights reserved; Journal ID: ISSN 0894-1777

Country of Publication:: United States

Language:: English

Subject:: 54 ENVIRONMENTAL SCIENCES; THERMAL EFFLUENTS; POINT SOURCES; PLUMES; ORIGIN; FLOW RATE; ENTHALPY; CYLINDERS; VELOCITY; TEMPERATURE DISTRIBUTION; SIZE

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                    Bouzinaoui, Abdelhakim, Devienne, Rene, and Fontaine, Jean Raymond. An experimental study of the thermal plume developed above a finite cylindrical heat source to validate the point source model.  United States: N. p., 2007. 
        Web.  doi:10.1016/J.EXPTHERMFLUSCI.2006.06.010.

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                    Bouzinaoui, Abdelhakim, Devienne, Rene, & Fontaine, Jean Raymond. An experimental study of the thermal plume developed above a finite cylindrical heat source to validate the point source model.  United States.  https://doi.org/10.1016/J.EXPTHERMFLUSCI.2006.06.010

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                    Bouzinaoui, Abdelhakim, Devienne, Rene, and Fontaine, Jean Raymond. 2007.  
        "An experimental study of the thermal plume developed above a finite cylindrical heat source to validate the point source model".  United States.  https://doi.org/10.1016/J.EXPTHERMFLUSCI.2006.06.010.

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@article{osti_20885458,

  title        = {An experimental study of the thermal plume developed above a finite cylindrical heat source to validate the point source model},

  author       = {Bouzinaoui, Abdelhakim and Devienne, Rene and Fontaine, Jean Raymond},

  abstractNote = {An experimental study of the thermal plume developed above a variable cylindrical source of finite dimensions was conducted with the aim of verifying the corresponding point source model. The heat source was a 1 m diameter, 1 m high cylinder featuring five zones (four 0.25 m high cylindrical surfaces and a top disk) of identical surface area. Two different configurations were tested: in the first, only the top surface of the cylinder was heated and, in the second, both the top disk and the related cylindrical zone were heated. Surface temperatures were chosen to maintain the same source convective power for both situations. A battery of nine anemometric probes recorded simultaneously plume velocity and temperature distributions. These measurements allowed the plume thermal and dynamic radii above the source to be deduced. These radii vary linearly with height and they enable the plume virtual origin to be situated. If the virtual origin of each source is taken as a starting point, we observe that, in both test cases, the plumes develop in the same way, effectively validating the point source model. Velocity measurements also allowed the plume flow rate to be evaluated. The values found agree closely with those calculated using the relation that gives plume flow rate as a function of source convective power and height above the virtual origin. (author)},

  doi          = {10.1016/J.EXPTHERMFLUSCI.2006.06.010},

  url          = {https://www.osti.gov/biblio/20885458},
  journal      = {Experimental Thermal and Fluid Science},

  issn         = {0894-1777},

  number       = 7,

  volume       = 31,

  place        = {United States},

  year         = {Sun Jul 15 00:00:00 EDT 2007},

  month        = {Sun Jul 15 00:00:00 EDT 2007}

}

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