Chemical Engineering - Fluid Mechanics - Discussion

Discussion Forum : Fluid Mechanics - Section 4 (Q.No. 17)
17.
Transition length for a turbulent fluid entering into a pipe is around __________ times the pipe diameter.
5
50
500
1000
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Hariom said:   2 years ago
It is 50D for turbulent flow for Newtonian fluid.

And 0.05DNre for laminar flow for Newtonian fluid.

GURJAR said:   5 years ago
Transition length for turbulent flow is between 18-95.
And for laminar flow, its value is 138.
(1)

GURJAR said:   5 years ago
It is 50D for turbulent flow.

And for laminar flow, it is equal to 0.5D Nre.
(2)

Pika said:   7 years ago
According to me, it is 100 times.

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