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Photo-iss035e006147
International Space Station Imagery
Tom Marshburn works on Marangoni Inside
high res (1.9 M) low res (98 K)
ISS035e006147 (19 March 2013) --- NASA astronaut Tom Marshburn, Expedition 35 flight engineer, works on the Marangoni Inside core cleaning in the Kibo Japanese Experiment Module onboard the Earth-orbiting International Space Station. Marangoni convection is the flow driven by the presence of a surface tension gradient which can be produced by temperature difference at a liquid/gas interface. The convection in liquid bridge of silicone oil is generated by heating the one disc higher than the other. Scientists are observing flow patterns of how fluids move to learn more about how heat is transferred in microgravity.

Curator: JSC PAO Web Team | Responsible NASA Official: Amiko Kauderer | Updated: 04/02/2013
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