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Titolo:
Evolution of liquid/solid contact area of a drop impinging on a solid surface
Autore:
Fujimoto, H; Shiraishi, H; Hatta, N;
Indirizzi:
Kyoto Univ, Grad Sch Energy Sci, Dept Energy Sci & Technol, Sakyo Ku, Kyoto 6068501, Japan Kyoto Univ Kyoto Japan 6068501 & Technol, Sakyo Ku, Kyoto 6068501, Japan
Titolo Testata:
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
fascicolo: 9, volume: 43, anno: 2000,
pagine: 1673 - 1677
SICI:
0017-9310(200005)43:9<1673:EOLCAO>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
IMPACT;
Keywords:
collision behavior of liquid drops with a surface; liquid/solid direct contact; air entrapment; bubble;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Fujimoto, H Kyoto Univ, Grad Sch Energy Sci, Dept Energy Sci & Technol, Sakyo Ku, Kyoto 6068501, Japan Kyoto Univ Kyoto Japan 6068501 akyo Ku, Kyoto 6068501, Japan
Citazione:
H. Fujimoto et al., "Evolution of liquid/solid contact area of a drop impinging on a solid surface", INT J HEAT, 43(9), 2000, pp. 1673-1677

Abstract

Time evolution of liquid/solid contact area of impacting drop on a solid surface has been investigated experimentally by means of a hash photographicmet:hod. The case has been treated where water drops with about 2.4 mm in diameter impinge vertically on a horizontal smooth surface. It has been found that a liquid drop contacts the surface with a ring-shape at the moment of collision. Inside this ring-shaped liquid/solid contact area, air is entrapped between the liquid and the solid surface. Liquid does not contact the surface there. The noncontact area decreases sharply with time, and then becomes constant. The physical phenomena occurring at the liquid/solid interface have been discussed from an experimental point of view. (C) 2000 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 18/01/20 alle ore 10:34:51