Difference between revisions of "Boussinesq Approximation"
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Boussinesq Approximation
The assumption (frequently used in the theory of convection)
that the fluid is incompressible except insofar as the thermal expansion
produces a buoyancy, represented by a term gaT (a is equivalent to
alpha), where g is the acceleration
of gravity; a is the coefficient of thermal expansion; and T is the
perturbationtemperature.
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
