Assume air at 20°C and atmospheric pressure on a smooth flat plate with a speed free current of 25 m/s (kinematic viscosity of 1.5x10-5 m2/s and density 1.2 kg/m3). The plate is 4 m long and 1.5 m wide. If the boundary layer is initially laminate and then become turbulent boundary layer with a transition Re of 5x10^5: a) What is the drag coefficient for the plate? b) What is the drag force on the entire plate? c) At what distance x from the plate the profile becomes turbulent. d) What is drag force on the turbulent part? e) What is the drag force on the laminar part
Assume air at 20°C and atmospheric pressure on a smooth flat plate with a speed free current of 25 m/s (kinematic viscosity of 1.5x10-5 m2/s and density 1.2 kg/m3). The plate is 4 m long and 1.5 m wide. If the boundary layer is initially laminate and then become turbulent boundary layer with a transition Re of 5x10^5: a) What is the drag coefficient for the plate? b) What is the drag force on the entire plate? c) At what distance x from the plate the profile becomes turbulent. d) What is drag force on the turbulent part? e) What is the drag force on the laminar part
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Assume air at 20°C and atmospheric pressure on a smooth flat plate with a speed free current of 25 m/s (kinematic viscosity of 1.5x10-5 m2/s and density 1.2 kg/m3). The plate is 4 m long and 1.5 m wide. If the boundary layer is initially laminate and then become turbulent boundary layer with a transition Re of 5x10^5:
a) What is the drag coefficient for the plate?
b) What is the drag force on the entire plate?
c) At what distance x from the plate the profile becomes turbulent.
d) What is drag force on the turbulent part?
e) What is the drag force on the laminar part?
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