Electronic Resource
New York, NY
:
American Institute of Physics (AIP)
Physics of Fluids
2 (1990), S. 1592-1596
ISSN:
1089-7666
Source:
AIP Digital Archive
Topics:
Physics
Notes:
An experimental study was performed to investigate the influence of molecular diffusion on turbulent entrainment during penetrative convection. The entrainment coefficient E was determined as a function of the Richardson number Ri and Peclet number Pe. It appears that, in parameter ranges 65〈Ri〈150 and 103〈Pe〈104, E is a function of Ri, independent of Pe, which indicates inertial-buoyancy dominated mixing and the unimportance of molecular diffusive effects. At high interfacial stabilities, 30〈Ri〈300, the entrainment law was found to be given by E∼Ri−1.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.857566
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