Chemical Engineering - Fluid Mechanics - Discussion

Discussion Forum : Fluid Mechanics - Section 8 (Q.No. 4)
4.
What is the co-efficient of contraction, if a fluid jet discharging from a 50 mm diameter orifice has a 40 mm diameter at its vena-contracta ?
0.64
1.65
0.32
0.94
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Yogi said:   8 years ago
The coefficient of contraction It is the ratio between the area of the jet at the vena contracta to the area of the orifice.

Cc = Area at vena contracta/ Area of orifice.

The typical value may be taken as 0.64 for a sharp orifice (concentric with the flow channel).

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