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Titolo:
Fluid flow in a rotating curved rectangular duct
Autore:
Zhang, JS; Zhang, BZ; Ju, JW;
Indirizzi:
Zhejiang Univ, Dept Mech, Hangzhou 310027, Peoples R China Zhejiang Univ Hangzhou Peoples R China 310027 ou 310027, Peoples R China
Titolo Testata:
INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW
fascicolo: 6, volume: 22, anno: 2001,
pagine: 583 - 592
SICI:
0142-727X(200112)22:6<583:FFIARC>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
CONVECTIVE HEAT-TRANSFER; SQUARE CROSS-SECTION; FORCED-CONVECTION; BIFURCATION; CHANNELS;
Keywords:
secondary flow; rotating ducts; curved ducts;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Zhang, JS Zhejiang Univ, Dept Mech, Hangzhou 310027, Peoples R China Zhejiang Univ Hangzhou Peoples R China 310027 Peoples R China
Citazione:
J.S. Zhang et al., "Fluid flow in a rotating curved rectangular duct", INT J HEA F, 22(6), 2001, pp. 583-592

Abstract

The fluid flowing in a rotating curved duct is subjected to both the Coriolis force due to a rotation and the centrifugal force due to a curvature. In this paper, the combined effects of the two forces on the flows in rotating curved rectangular ducts are examined numerically. According to the aspect ratio of the cross-section, the rectangular ducts are divided into threetypes: eta > 1, eta = 1, eta < 1, where eta is the aspect ratio. The variations of the flow structures with the force ratio F(the ratio of the Corislis force to the centrifugal force) are studied in detail and many hitherto unknown flow patterns are found. The effects of the force ratio and the aspect ratio of the cross-section on the friction factor are also examined. Present results show both the characteristics of the secondary flow, axial flow and the natures of the friction factor. (C) 2001 Elsevier Science Inc. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 11/07/20 alle ore 17:45:52