A thin flat plate ( 45 cm X 90 cm ) is immersed in a stream of glycerin (P = 1258 kg/m and u = 1.49 Pa.s ) with a velocity of ( 7 m/s ). Compute the skin frictional ( viscous ) drag exerted on the upper surface of the plate, if : a) The plate side parallel to the stream is the shortest side b) The plate side parallel to the stream is the longest side

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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10.
A thin flat plate ( 45 cm X 90 cm ) is immersed in a stream of glycerin
(p = 1258 kg/m* and u = 1.49 Pa.s ) with a velocity of ( 7 m/s ). Compute the
%3D
skin frictional ( viscous ) drag exerted on the upper surface of the plate, if :
a) The plate side parallel to the stream is the shortest side
b) The plate side parallel to the stream is the longest side
You may use the following relations:
1/2
Cplam = 1.328 / Re,
Cpturb = 0.072 /Re,
eering
Transcribed Image Text:10. A thin flat plate ( 45 cm X 90 cm ) is immersed in a stream of glycerin (p = 1258 kg/m* and u = 1.49 Pa.s ) with a velocity of ( 7 m/s ). Compute the %3D skin frictional ( viscous ) drag exerted on the upper surface of the plate, if : a) The plate side parallel to the stream is the shortest side b) The plate side parallel to the stream is the longest side You may use the following relations: 1/2 Cplam = 1.328 / Re, Cpturb = 0.072 /Re, eering
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