CBSE Class 11-science Answered
What is Reynold's number? What is its importance?
Asked by Topperlearning User | 01 Aug, 2014, 11:11: AM
Expert Answer
Reynold's number is a dimensionless parameter whose value decides the nature of flow of a liquid through a pipe. It is given by
Where,
Importance of Reynolds Number: If Re lies between 0 to 2000, the liquid flow is streamlined or laminar. If Re lies between 2000 and 3000 the flow of the liquid is unstable, i.e. it may change from laminar to turbulent and vice-versa. If Re > 3000, the liquid flow is turbulent.
Answered by | 01 Aug, 2014, 01:11: PM
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