The Grashof number, Gr is defined as:(where g is gravitational acceleration, β is volumetric thermal expansion coefficient, ΔT is temperature difference, L is characteristic length, μ is the viscosity and v is kinematic viscosity.

Question

TuteeHUB · Accepted Answer

$\frac{{g\beta \delta TL}}{{{v^2}}}$

TuteeHUB · Answer

$\frac{{g\beta {\rm{\Delta }}T{L^3}}}{{{\mu ^2}}}$

TuteeHUB · Answer

$\frac{{{\rho ^2}g\beta \delta T{L^3}}}{{{\mu ^2}}}$

TuteeHUB · Answer

$\frac{{g\beta {\rm{\Delta }}T{L^3}}}{{{v^2}}}$

1.	The Grashof number, Gr is defined as:(where g is gravitational acceleration, β is volumetric thermal expansion coefficient, ΔT is temperature difference, L is characteristic length, μ is the viscosity and v is kinematic viscosity.
A.	\(\frac{{g\beta {\rm{\Delta }}T{L^3}}}{{{\mu ^2}}}\)
B.	\(\frac{{{\rho ^2}g\beta \delta T{L^3}}}{{{\mu ^2}}}\)
C.	\(\frac{{g\beta {\rm{\Delta }}T{L^3}}}{{{v^2}}}\)
D.	\(\frac{{g\beta \delta TL}}{{{v^2}}}\)
Answer» D. \(\frac{{g\beta \delta TL}}{{{v^2}}}\)

The Grashof number, Gr is defined as:(where g is gravitational acceleration, β is volumetric thermal expansion coefficient, ΔT is temperature difference, L is characteristic length, μ is the viscosity and v is kinematic viscosity.

Discussion

No Comment Found

Related MCQs

Reply to Comment