A smooth square cylinder is put in 15 °C flowing water. The flow direction is perpendicular to the long axis of the cylinder (parallel to the square section). The edge length of the square is s=2.0m. The long axis length is L=5.0m. The flow velocity is v=0.046m/s. The density of water is ρ=1000kg/m3. T he dynamic viscosity is η=1.15×10-3kg/m·s. (1) Calculate the Reynold's number Re=_____
A smooth square cylinder is put in 15 °C flowing water. The flow direction is perpendicular to the long axis of the cylinder (parallel to the square section). The edge length of the square is s=2.0m. The long axis length is L=5.0m. The flow velocity is v=0.046m/s. The density of water is ρ=1000kg/m3. T he dynamic viscosity is η=1.15×10-3kg/m·s. (1) Calculate the Reynold's number Re=_____
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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A smooth square cylinder is put in 15 °C flowing water. The flow direction is perpendicular to the long axis of the cylinder (parallel to the square section). The edge length of the square is s=2.0m. The long axis length is L=5.0m. The flow velocity is v=0.046m/s. The density of water is ρ=1000kg/m3. T he dynamic viscosity is η=1.15×10-3kg/m·s.
(1) Calculate the Reynold's number Re=_________
Transcribed Image Text:A smooth square cylinder is put in 15 °C flowing water. The flow direction is perpendicular
to the long axis of the cylinder (parallel to the square section). The edge length of the square
is s=2.0m. The long axis length is 1=5.0m. The flow velocity is v=0.046m/s. The density of
water is p=1000kg/m³. The dynamic viscosity is n=1.15×10-³kg/m-s.
(1) Calculate the Reynold's number Re=__
Flow
Drag coefficient, CD
10
8
6
4
2
1
10-1
8
6
4
2
10²
col
Square cylinder
2 4 68
10³
2
4 68
104
eynolds number, N
(b) CD vs. No for higher values of Ng
Cylinder.
2
Sphere
4 68
105
2
4 68,
8
6
4
2
8
6
4
2
10
106
1
10-1
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