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Answer:
The reaction force is 2.776kN as the force is negative and on the left of the Control Volume this indicates that the coupling in in tension.
Explanation:
By applying the continuity equation as
By simplifying the equation
Here
V_2=43 m/2
D1=78 mm
D2=20 mm
So the velocity is given as
Now by applying the equation of momentum in x direction
Here
- P1g is given as 427 kPa
- A1 is given by
- ρ is the density of water given as 1000 kg/m3
- V1 is calculated above as 2.827 m/s
- V2 is given as 42 m/s
- A2 is given by
Substituting the values in the equation gives
So the reaction force is 2.776kN as the force is negative and on the left of the Control Volume this indicates that the coupling in in tension.
