Induced free surface oscillations in a freely floating visco-elastic liquid sphere imposed to an oscillatory temperature gradient

1986 ◽  
Vol 52 (3) ◽  
pp. 81-88 ◽  
Author(s):  
Helmut F. Bauer
Keyword(s):  
Free Surface ◽  
Temperature Gradient ◽  
Elastic Liquid ◽  
Liquid Sphere ◽  
Free Surface Oscillations ◽  
Oscillatory Temperature

Analysis of free surface oscillations of a droplet due to ultrasonic wave impingement

2020 ◽  
Vol 32 (9) ◽  
pp. 092111
Author(s):  
Ehsan Mahravan ◽  
Hamid Naderan ◽  
Ebrahim Damangir
Keyword(s):  
Free Surface ◽  
Ultrasonic Wave ◽  
Free Surface Oscillations

Free-surface oscillations control of high speed manipulated liquids

2019 ◽  
Vol 1 (4) ◽  
pp. 347
Author(s):  
Frédéric Roumanet ◽  
Sami Othman ◽  
Marouane Idelhoucine ◽  
Hassan Hammouri
Keyword(s):  
Free Surface ◽  
High Speed ◽  
Free Surface Oscillations

TRAVEL INSTABILITIES IN LATERAL HEATING

2001 ◽  
Vol 11 (11) ◽  
pp. 2881-2886 ◽  
Author(s):  
M. A. PELACHO ◽  
A. GARCIMARTÍN ◽  
J. BURGUETE
Keyword(s):  
Free Surface ◽  
Temperature Gradient ◽  
Liquid Layer ◽  
Temperature Difference ◽  
Convective Motion ◽  
Lateral Heating ◽  
Rectangular Container ◽  
The Waves

We study the convective motion forced by lateral heating on a liquid layer. The movement is caused by two forces: buoyancy and thermocapillarity on the free surface, which is open to the air. As soon as a temperature gradient is imposed along the liquid layer, the fluid begins to move. When a certain threshold of the temperature difference is attained, this flow destabilizes and oscillations appear. We have performed an experiment to characterize the thermocapillary waves in a rectangular container whose dimensions can be continuously changed. This way, we are able to investigate how boundaries affect the threshold for the instability, as well as their consequences on other features of the waves.

Free-surface oscillations of fluid in closed basins

1987 ◽  
Vol 21 (2) ◽  
pp. 139-148 ◽  
Author(s):  
P. McIver ◽  
S. R. Smith
Keyword(s):  
Free Surface ◽  
Closed Basins ◽  
Free Surface Oscillations
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