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Abstrakty
The paper presents results of experimental research that enables estimation of the effect of surrounding parameters on the surface wetted by a liquid droplet. Surrounding is cpmposed of a system of a solid body surface and gas phase. In research, liquid droplets were introduced to the surrounding, as understood above. Dynamic spreading of droplets of water, aniline, and benzene, respectively, was considered in the paper. Analysis concerned the process of droplet spreading on three kinds of wall surfaces, that is, for surfaces made of: 1H18N9 stainless steel, CuCr1Zr copper alloy, and ordinary glass, respectively. The surfaces were characterized with various values of roughness.
Rocznik
Tom
Strony
25-49
Opis fizyczny
Bibliogr. 26 poz., rys., tab.
Twórcy
autor
autor
- Szczecin University of Technology, Faculty of Mechanical Engineering, Department of Heat Engineering, al. Piastów 19, 70-310 Szczecin, Poland, zbigniew.zapalowicz@ps.pl
Bibliografia
- [1] Das Gupta S., Schonberg J.A., Wayner Jr. P.C.: Investigation of an evaporating extended meniscus based on the augmented Young-Laplace equation, Trans. ASME, J. Heat Transfer, Vol. 115, No.3, 1993, 201-208.
- [2] Gajewski A., Trela M.: Dynamic wetting angle for gravitational liquid jets, Bull, of IFFM PAS, No. 518/1477/2000, Gdańsk 2000, (in Polish).
- [3] Mitrovic J.: The flow and heat transfer in the wedge-shaped liquid film formed during the growth of a vapour bubble, Int. J. Heat Mass Transfer, Vol.41, No. 12, 1998, pp. 1771-1785.
- [4] Orzechowski Z., Prywer J.: Liquid Spraying in Power Engineering Applications, WNT, Warszawa 1994, (in Polish).
- [5] Orzechowski Z., Prywer J.: Liquid Spraying, WNT, Warszawa 1991, (in Polish).
- [6] Peterson G.P., Ha J.M.: Capillary performance of evaporating flow in micro grooves: an approximate analytical approach and experimental investigation, Trans. ASME, J. Heat Transfer, Vol.120, 1998. 743-751.
- [7] Potash Jr. M., Wayner Jr. P.C.: Evaporation from, a two-dimensional extended meniscus, Int. J. Heat Mass Transfer. Vol.15, 1972, 1851-1863.
- [8] Schonberg J.A., Das Gupta S., Wayner Jr, P.C.: An augmented Young- Laplace model of an evaporating meniscus in a microchannel with high heat flux, Experimental Thermal and Fluid Science, Vol.10, 1995, 163-170.
- [9] Seki M., Kawamura H., Sanakawa K.: Transient temperature profile of a hot wall due to an impinging liquid droplet, Trans, of ASME, J. Heat Transfer, Vol.100, No.l, 1978, 167-169.
- [10] Stephan K.: Influence of dispersion forces on phase equilibria between thin liquid films and their vapour, Int. J. Heat Mass Transfer, Vol.45, 2002, 4715- 4725.
- [11] Trela M.: Thermal-hydraulic problems in liquid phase on the wall in two- phase flow, Bull, of IFFM PAS, No. 293/1214/1989, Gdańsk 1989, (in Polish).
- [12] Van Carey P.: Liquid-Vapor Phase-Change Phenomena: An Introduction to the Thermophysics of Vaporization and Condensation Processes in Heat Transfer Equipment, Hemisphere Publ. Corp., Taylor&Francis, Bristol 1992.
- [13] Wayner Jr. PC., Kao Y.K., La Croix L.V.: The interline heat-transfer coefficient of an evaporating wetting film, Int. J. Heat Mass Transfer, Vol.19, 1976, 487-492.
- [14] Wayner Jr. P.C.: A dimensionless number for the contact line evaporative heat sink, Trans. ASME, J. Heat Transfer, Vol.111, No.3, 1989, 813-815.
- [15] Wayner Jr. PC.: Intermolecular forces in phase-change heat transfer: 1998 Kern Award Review, Fluid Mechanics and Transport Phenomena, Amer. Inst. Chem. Engng. J., Vol.45, No. 10, 1999, 2055-2068.
- [16] Wayner Jr. P.C.: Thermal and mechanical effects in the spreading of a liquid film due to a change in the apparent finite contact angle, Trans. ASME, J. Heat Transfer, Vol.116, 1994, 938-945.
- [17] Zapałowicz Z.: Macroscopic model of droplet spreading over a horizontal surface, Archives of Thermodynamics, Vol.24, No.3, 2003, 55-68.
- [18] Zapałowicz Z: Effect of thermodynamic parameters of the surrounding air on the dynamic wetting of surface by droplets, Trans. Of IFFM, 115, 2004, 21-36.
- [19] Zapałowicz Z., Trela M.: Influence of environment parameters on the copper surface wetting by droplets, XIV Intern. Conf. on Appl. of Exper. and Numerical Methods in Liquid Mechanics, Rajecke Teplice, 28-30 April 2004 Slovensko, 121-126.
- [20] Zapałowicz Z., Trela M.: Effect of air parameters on the spreading process of water droplet on the flat surface, XII Sympozjum Wymiany Ciepła i Masy, Kraków 15-18 czerwca 2004, AGH-Kraków 2004, t. II, 905-919, (in Polish).
- [21] Zapałowicz Z., Trela M.: Effect of environment parameters on wetting of steel and glass surfaces by water droplet, Heat Transfer and Renewable Energy Sources (Eds. J.Mikielewicz J., W.Nowak), Wyd. Uczelniane PS, Szczecin 2004, 661-670.
- [22] Zapałowicz Z., Trela M.: Influence of environment parameters on the surface wetting by droplets, 3rd Intern. Symp. on Two-Phase Flow Modelling and Exper., Pisa 22-24 September 2004.
- [23] Zapałowicz Z., Trela M.: Effect of humid air parameters on wetting of solid body by water droplet, Konf. N. - Mechanika 2005, Gdańsk 2005, 245-251 (in Polish).
- [24] Zapałowicz Z.: Effect of surrounding parameters, kind and roughness of substrate, and kind of liquid on surface wetting by droplet, Proc. 4th Int. Conf. on Transport Phenomena in Multiphase Sys. (Eds. J.Mikielewicz, D.Butrymowicz, M.Trela, J.T.Cieśliński), June 26-30, 2005, Gdańsk, 579-584.
- [25] Zapałowicz Z.: Effect of humid air parameters and surface roughness on wetting of metal surface by liquid droplet, Materiały XIX Zjazdu Termodynamików, Gdańsk 2005, (in Polish).
- [26] Zapałowicz Z.: Effect of environment parameters on the wetting of surface by liquid droplets, Report 4 T10B 04422. Szczecin, August 2005, (in Polish).
Typ dokumentu
Bibliografia
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Identyfikator YADDA
bwmeta1.element.baztech-article-BWM2-0056-0020