AbstractNear critical fluids are very sensitive to gravity because of their great compressibility. Zero gravity conditions provide an environment which suppresses convective instability and enables other possible modes of transport to be evidenced. A numerical modeling suggests that even though the heat diffusivity goes to zero in such fluids, the transport of heat is strongly enhanced by a so-called “Piston Effect”. This effect is the adiabatic heating of the bulk phase by a strong acoustic field. It has been observed during a sounding rocket experiment (Texus 25, May 1990).
Anomalies of heat transport in near critical fluids under weightlessness
Advances in Space Research ; 11 , 7 ; 269-276
1991-01-01
8 pages
Article (Journal)
Electronic Resource
English
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