Titre :
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Experimental study on heat transfer of thermally developing and developed, turbulent, horizontal pipe flow of dilute air-solids suspensions
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Auteurs :
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T. Aihara ;
K. Yamamoto ;
AL Et
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Type de document :
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article/chapitre/communication
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Année de publication :
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1997
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Format :
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p.109-120
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Langues:
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= Anglais
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Catégories :
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THERMIQUE THERMODYNAMIQUE
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Mots-clés:
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TRANSFERT DE CHALEUR
;
EXPERIMENTATION
;
ECOULEMENT TURBULENT
;
SUSPENSION
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Résumé :
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Heat transfer characteristics of a turbulent, dilute air-solids suspension flow in thermally developing/developed regions were experimentally studied, using a uniformly heated, horizontal 54.5 mm-ID pipe and 43-mu m-diameter glass beads. The local heat transfer was measured at 27 locations from the inlet to 120-dia downstream of the heated section over a range of Reynolds numbers 3 x 10(4) -1.2 x 10(5) and solids loading ratio 0-3, and the fully developed profiles of air velocity/temperature and particle mass flux were measured at a location 140-dia downstream of the heated section using specially designed probes, inserted into the suspension flow. The effects of the Reynolds number, solids loading ratio, and azimuthal/longitudinal locations on the heat transfer characteristics and their interactions are discussed through comparison of the present results with the data obtained by other investigators.
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Source :
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Heat and mass transfer, vol 33
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