Flow is driven along a long, straight, circular pipe by a pressure drop. On investigating a portion of this pipe, far from the inlet and outlet sections and with a steady state flow, we observe a pressure drop of Δp=10 Pa across a length of the pipe L=8.6 m. The radius of the pipe is R=0.2 m. The fluid properties are as follows: the dynamic viscosity is μ=0.05 m2 s-1 and density is ρ=1000 kg m-3. Find the Reynolds number based on the diameter of the pipe, evaluated at the middle of the pipe section. Give your answer to two decimal places.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Flow is driven along a long, straight, circular pipe by a pressure drop. On investigating a portion of this pipe, far from the inlet and outlet sections and with a steady state flow, we observe a pressure drop of Δp=10 Pa across a length of the pipe L=8.6 m. The radius of the pipe is R=0.2 m. The fluid properties are as follows: the dynamic viscosity is μ=0.05 m2 s-1 and density is ρ=1000 kg m-3. Find the Reynolds number based on the diameter of the pipe, evaluated at the middle of the pipe section. Give your answer to two decimal places. 

please stop copy from internet, there are a lot of wrong solutions. To give you a hint the final answer is 930 but i need a detailed solution.

thank you 

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