7.4 Consider a disk of radius R rotating in an incompressible fluid at a speed w. The equations that describe the boundary layer on the disk are: 8(rv,) = 0 az ar Ur + Vz: ar 8z Use the characteristic dimensions to normalize the differential equation and obtain the dimensionless that characterize the flow. groups Z. R

Elements Of Electromagnetics
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7.4 Consider a disk of radius R rotating in an incompressible fluid at a speed w. The equations that describe
the boundary layer on the disk are:
a(rv,)
Or
az
Pl Vr
Or
Uz
az
Use the characteristic dimensions to normalize the differential equation and obtain the dimensionless groups
that characterize the flow.
Z.
R
Transcribed Image Text:7.4 Consider a disk of radius R rotating in an incompressible fluid at a speed w. The equations that describe the boundary layer on the disk are: a(rv,) Or az Pl Vr Or Uz az Use the characteristic dimensions to normalize the differential equation and obtain the dimensionless groups that characterize the flow. Z. R
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