Информационная система "Конференции"



All-Russian Conference "New mathematical models of continuum mechanics: Construction and investigation" devoted to 90-years anniversary of academician L. V. Ovsyannikov

Novosibirsk, April 23-28, 2009

Abstracts


Not isothermal flow of a liquid film on a substrate with a rectangular heater

Aktershev S.P.

Institut of Thermophysics SB RAS (Novosibirsk)

The films of a viscous liquid are widely used in various technological devices, in particular, for cooling a surface of elements of the microelectronic equipment. It is known, that arising on a surface of a film thermocapillary pressure render essential influence on dynamics of a liquid flow and heat transfer. In the given work the film flow of a viscous liquid on adiabatic substrate with a heater of the rectangular form is investigated. The liquid moves under action of gravitation and a gas stream. On a liquid-gas surface the coefficient of heat exchange is set; on a surface of a heater the heat flux is set. The temperature field in a liquid and deformation of a surface of a film under action thermocapillary effect is studied. For distribution of temperature in a liquid the analytical solution in the form of converging series is received. At small values of number Marangoni the analytical solution for deformation of a surface of a film also is received.

Note. Abstracts are published in author's edition


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