NDLI: Effect of delay of the thermocapillary response of a transparent liquid layer during laser heating of the absorbing substrate

Content Provider	Springer Nature Link
Author	Bezuglyi, B. A. Chemodav, S. I.
Copyright Year	2005
Abstract	The effect of delay in the thermocapillary response of a transparent liquid layer on an absorbing substrate during its heating by a laser beam is discovered. The response is an interference pattern formed on a screen placed in the beam cross section by the beam reflected from a thermocapillary dip. It is found that the delay time of the response of a thin (h < 1.8 mm) layer of a liquid in a viscosity range of 3–6 mPa s to a 20.9-mW exciting beam from a He-Ne laser (λ = 633 nm) is proportional to the squared layer thickness with a proportionality factor depending on the viscosity and thermal diffusivity of the liquid.
Starting Page	1243
Ending Page	1245
Page Count	3
File Format	PDF
ISSN	10637842
Journal	Technical Physics
Volume Number	50
Issue Number	9
e-ISSN	10906525
Language	English
Publisher	Nauka/Interperiodica
Publisher Date	2005-01-01
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Mechanics, Fluids, Thermodynamics
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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Effect of delay of the thermocapillary response of a transparent liquid layer during laser heating of the absorbing substrate