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Titolo:
Flow of aqueous suspensions of fine particles in diffusers
Autore:
Watanabe, K; Che, F; James, DF;
Indirizzi:
Tokyo Metropolitan Univ, Dept Mech Engn, Hachioji, Tokyo 1920397, Japan Tokyo Metropolitan Univ Hachioji Tokyo Japan 1920397 Tokyo 1920397, Japan Univ Toronto, Dept Mech & Ind Engn, Toronto, ON M55 3G8, Canada Univ Toronto Toronto ON Canada M55 3G8 Engn, Toronto, ON M55 3G8, Canada
Titolo Testata:
INTERNATIONAL JOURNAL OF MULTIPHASE FLOW
fascicolo: 5, volume: 26, anno: 2000,
pagine: 729 - 739
SICI:
0301-9322(200005)26:5<729:FOASOF>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Keywords:
aqueous suspensions of fine particle; diffusers; pressure recovery; flow visualization; computed sonography;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
10
Recensione:
Indirizzi per estratti:
Indirizzo: Watanabe, K Tokyo Metropolitan Univ, Dept Mech Engn, Hachioji, Tokyo 1920397, Japan Tokyo Metropolitan Univ Hachioji Tokyo Japan 1920397 7, Japan
Citazione:
K. Watanabe et al., "Flow of aqueous suspensions of fine particles in diffusers", INT J MULT, 26(5), 2000, pp. 729-739

Abstract

The flow of dilute aqueous suspensions of micron-size carbon black particles in diffusers was studied by visualization and by measurements of pressure drop. For particle concentrations from 0.1 to 1.0% by weight and for conical diffusers with half angles of 5 and 11 degrees, the measurements show that pressure recovery was less than that for plain water. The reductions were of order 10% and increased with particle concentration. To understand this effect, the flow was visualized in a two-dimensional diffuser, using computed sonography because of liquid opacity. The sonographic images show that the flow separated earlier than it did with water, which explains the reduced pressure recovery. At the same time, it is not understood how such minute particles at such small concentrations affect flow separation. (C) 2000Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/04/20 alle ore 02:53:29