Grashoff number is given by

Related MCQs

• When the ratio of the Grashoff number and to the square of Reynolds number is one, the dominant mechanism of heat transfer is:
• Grashoff number, which is defined as g . β (Ts - T∞) ρ2. L3/μ2, is proportional to the ratio of buoyancy force to __________ force.
• Grashoff number has significant role in heat transfer by
• Nusselt number is a function of Prandtl number and __________ number of fluid in natural convection heat transfer.
• Peclet number (Pe) is given by
• Prandtl number is given by
• Graetz number is given by
• The Sieder-Tate correlation for heat transfer in turbulent flow in pipe gives Nu α Re0.8 , where, Nu is the Nusselt number and Re is the Reynolds number for the flow. Assuming that this relation is valid, the heat transfer co-efficient varies with the pipe diameter (D) as
• If Prandtl number is greater than the Schmidt number, then the
• Nusselt number (for forced convection heat transfer) is a function of the __________ number.