This is prepared for SASTRA University students by Dr. T. R. Neelakantan, Prof. , School of Civil Engineering, SASTRA University, Thanjavur, Tamilnadu, India.
A-2 B-4 C-5 D-3
A-4 B-2 C-3 D-1
A-2 B-3 C-1 D-4
A-5 B-1 C-4 D-2
A-3 B-5 C-4 D-1
A-3 B-4 C-2 D-1
A-5 B-2 C-4 D-3
A-5 B-4 C-2 D-3
Motion of a submarine at large depths
Motion of ship in rough seas
Cruising of a missile in air
Flow over spillways
Geometrical similarity exists between the two flows
Velocities at corresponding points are the same
The flow fields have geometrical similarity and force field similarity
The forces acting on the bodies are equal.
Lr^1.5
Lr
Lr^0.5
1
A-2 B-3 C-4 D-1
A-1 B-4 C-2 D-3
A-3 B-4 C-2 D-1
A-3 B-2 C-4 D-1
1,000
10,000
100,000
1000,000
A-1 B-3 C-5 D-2
A-2 B-3 C-5 D-4
A-3 B-2 C-4 D-1
A-2 B-1 C-3 D-4
160 m3/s
640 m3/s
10 m3/s
20 m3/s
10 cumec
4 cumec
1.6 cumec
0.64 cumec
2
3
4
5
0.12 hour
1.2 hours
12 hours
120 hours
Viscous force
Gravity force
Compressive force
Surface tension force
250 minutes
50 minutes
6250 minutes
2 minutes