The Marangoni effect: A fluid phenom (w/ Video)
What do a wine glass on Earth and an International Space Station experiment have in common? Well, observing the wine glass would be one of few ways to see and understand the experiment being performed in space.
Ever heard someone say their wine has "legs" or "tears of wine?"
Wine legs or tears of wine is a phenomenon manifested as a ring of clear liquid that forms near the top of a glass above the surface of wine. The drops continuously form and fall in rivulets back into the liquid. One factor in the way fluid moves is called Marangoni convection, or flow, and Japan Aerospace Exploration Agency researchers are very interested in studying it in a gravity-free environment.
Marangoni convection is the tendency for heat and mass to travel to areas of higher surface tension within a liquid. Surface tension is a property of a liquid that causes the surface portion of liquid to be attracted to another surface, such as a drop of mercury that forms a cohesive ball in a thermometer or droplets of water on a well-waxed car. This phenomenon is named after Italian physicist Carlo Marangoni who first studied the phenomenon in the 19th century.
Lees verder: http://www.physorg.c...enom-video.html
The marangoni effect: a fluid phenom (w/ video)
0 gebruiker(s) lezen dit onderwerp
0 leden, 0 bezoekers, 0 anonieme gebruikers
Ook adverteren op onze website? Lees hier meer!
- Hier ook uw vacature? 06-14
- Titerstellen melkzuur 21:27 1
- Poisson-proces 19:42 2
- Kansberekening 14:36 2
- Meanwell LDD driver board. 14:04
- Hulp met meetniveaus 13:35
- Basis wiskunde groep 7/8 kids 13:34 4
- Geschiedenis van polymeerchemie 10:47 1
- Condensatiekernen in een neve... 20-11 3
- Een onbekende schimmel 20-11 2
- Hoe integraal toepassen op vr... 20-11 1