Turbulent Flow Example: Part 1 [Fluid Mechanics #43]

An example of turbulent flow and how to use the equation we established thus far for turbulent flow.
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[@MlsNeytro22]

Thank you so much! You helped me a lot!

[@rhariz21]

My book states if RE>4000 then it is turbulent flow

[@asifing24x7]

so does mine!...bitch...

[@DodgeViperAS]

between a Reynold's number of 2000 and 4000 the flow is classified as transitional which for the sake of calculations can also be called turbulent.

[@mechelearning341]

+Ramy Hariz
There is a range in between fully laminar and fully turbulent. Depending on what you're doing, and where you fall in the range, you might choose to treat it as one or the other, or a combination.
Usually in classes for fluids and heat transfer you're asked to solve some problems using different RE's, and other values, just to check how much these numbers actually matter. Typically it falls into the noise of the assumptions that were made in deriving this stuff.

[@esethunyamankulu415]

if Re less than 2100 then its laminar flow, and then if grater than 4100 its turbulent flow,

[@thomasrobert1135]

Less than 2000-2100 is laminar. between that and 4100 is transitional, but since you have to do both a laminar and a turbulent calculation for it, it can be considered mildly turbulent