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6. Describe the differences between Grashof and Rayleigh numbers 7. For free-convection problems, describe how the momentum...

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Mechanical Engineering

6. Describe the differences between Grashof and Rayleighnumbers
7. For free-convection problems, describe how the momentum andenergy equations are coupled.
8. Describe the driving forces for free and forced-convectionproblems.
9. For the momentum dimensionless form equation, describe themodulating factor for the viscous terms.
10. For the energy dimensionless form equation, describe themodulating factor for the conduction terms.

Answer & Explanation Solved by verified expert
4.3 Ratings (865 Votes)
6 The Grashof number is used to characterize natural free convection It gives the ratio between buoyancy forces and viscous forces It is usually very large    See Answer
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