In fluid mechanics (especially fluid thermodynamics), the Grashof number (Gr, after Franz Grashof ) is a dimensionless number which approximates the ratio of the buoyancy to viscous forces acting on a fluid. It frequently arises in the study of situations involving natural convection and is analogous to the Reynolds number (Re). WebThe Grashof number is a dimensionless number named after Franz Grashof. The Grashof number is defined as the ratio of the buoyant to a viscous force acting on a fluid in the velocity boundary layer. Its role in natural convection is much like that of the Reynolds number in forced convection. Natural convection is used if this motion and mixing ...
Franz Grashof - Wikipedia
WebFeb 15, 2024 · The Grashof condition is a constraint on the link lengths of a four-bar mechanism. Its purpose is to ensure the existence of a crank in the four-bar mechanism. In this work, a linkage repairing technique is proposed to transform all of the non-Grashof linkage solutions into reasonable solutions in the optimization process. The flow of the ... WebFeb 2, 2011 · 115122. Grashof number, Gr, is a nondimensional parameter used in the correlation of heat and mass transfer due to thermally induced natural convection at a solid surface immersed in a fluid. It is defined as. (1) where. g = acceleration due to gravity, m s −2. l = representative dimension, m. ξ = coefficient of expansion of the fluid, K −1. salary for a office manager
Grashof number - Wikipedia
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