ライブラリ登録: Guest
Begell Digital Portal Begellデジタルライブラリー 電子書籍 ジャーナル 参考文献と会報 リサーチ集
Journal of Flow Visualization and Image Processing
SJR: 0.11 SNIP: 0.312 CiteScore™: 0.1

ISSN 印刷: 1065-3090
ISSN オンライン: 1940-4336

Journal of Flow Visualization and Image Processing

DOI: 10.1615/JFlowVisImageProc.v11.i2.20
12 pages

THERMOCAPILLARY CONVECTION AROUND A HORIZONTAL HEAT SOURCE IN A LIQUID CAVITY

Wen-Jei Yang
Department of Mechanical Engineering and Applied Mechanics University of Michigan, Ann Arbor, Michigan 48109-2125, U.S.A.

要約

Numerical and experimental studies are performed on thermal fluid-flow transport phenomena around a heating wire set on the free surface of a liquid cavity. Emphasis is placed on the effects of the Marangoni number, Ma, the aspect ratio, H/L, and the Rayleigh number, Ra, on the flow and isothermal fields. The mechanism is theoretically investigated by numerically solving the two-dimensional governing equations through discretization by means of a finite-difference technique. Experimentally, flow patterns are disclosed by means of a tracer method. It is found that (i) the thermal fluid flow is affected by the aspect ratio, that is the thermal fluid flow in the lower region of the cavity with H/L = 2 is almost stable, and (ii) natural convection around the wire is induced by the Marangoni force, i.e., the surface tension, while the effect of Ra on the velocity field is minor.


Articles with similar content:

NUMERICAL THERMAL AND FLUID FLOW TRANSPORT PHENOMENON OF RAYLEIGH-BENARD CONVECTION IN A THIN LIQUID LAYER
Journal of Flow Visualization and Image Processing, Vol.6, 1999, issue 1
Wen-Jei Yang
Combined Buoyancy and Marangoni Convection in Pure Water
International Journal of Fluid Mechanics Research, Vol.26, 1999, issue 5-6
Prem Kumar Kandaswamy, K. Sundaravadivelu
FREE CONVECTION IN A CUBICAL ENCLOSURE WITH FOUR HEATED SECTIONS ON THE LOWER SURFACE AND ISOTHERMAL SIDE SURFACES
ICHMT DIGITAL LIBRARY ONLINE, Vol.13, 2008, issue
Patrick H. Oosthuizen, Jane T. Paul
MIXED CONVECTION JET IMPINGEMENT COOLING OF A RECTANGULAR SOLID HEAT SOURCE IMMERSED IN A POROUS LAYER
Journal of Porous Media, Vol.18, 2015, issue 4
Nawaf H. Saeid
A Numerical study of oscillatory thermo-solutal Marangoni convection in a floating half zone
ICHMT DIGITAL LIBRARY ONLINE, Vol.0, 2012, issue
H. Minakuchi, Sadik Dost, S. Gima, Yasunori Okano, Youhei Takagi