Question

Match the following formula/description (1-12) to their concept/symbol (A-M). (Write the numbers in the order of the corresponding concept/symbol). 1 Ratio of inertial to viscous forces A Kinematic similarity 2 Responsible for the capillary rise and fall B Curve formed by particles moving in time 3 Pressures constant along a streamline C Couette flow 4 The model and prototype have the same time scale ratio. D Dynamic similarity 5 Flow driven by a pressure gradient E Separated flow 6 Distance that the boundary layer deflects streamlines to preserve mass flow F Static, dynamic, and hydrostatic 7 Heads constant along a streamline G Curve formed by a particle moving in time 8 Streak line Η σς 9 Path line I Wake J Re 10 The model and prototype have the same force scale. 11 A sufficiently strong adverse pressure gradient can cause this phenomenon K Pressure, velocity, and elevation L Poiseuille Flow 12 Downstream disturbance in the flow after a static or moving body M 8*(x)

Answer 1

1. J (reynolds number)
2. H (surface tension)
3. F
4. D (Dynamic similarity)
5. C (Couette flow)
6. M( Boundary layer thickness)
7. K
8. B ( curve formed by particles moving in time)
9. G ( curve formed by particle moving in time)
10. A ( Kinematic similarity)
11. E ( flow separation)
12. I (wake)

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