When crude oil (r.d = 0.855, µ = 71.8*104 Pa. s) flows in a 50 mm horizontal pipeline at 4.5 m/s, a pressure drops of 6500 kPa occurs in 60 m of pipe. Calculate the pressure drop in the corresponding length of a pipe model 25 mmd when gasoline (r.d = 0.68, µ = 2.9*104 Pa. s) flows in the model for complete similarity between model and prototype. %3D

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
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Author:Kreith, Frank; Manglik, Raj M.
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Chapter6: Forced Convection Over Exterior Surfaces
Section: Chapter Questions
Problem 6.34P
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When crude oil (r.d = 0.855, µ = 71.8*104 Pa. s) flows in a 50 mm horizontal
pipeline at 4.5 m/s, a pressure drops of 6500 kPa occurs in 60 m of pipe.
Calculate the pressure drop in the corresponding length of a pipe model 25
mmd when gasoline (r.d = 0.68, µ = 2.9*104 Pa. s) flows in the model for
complete similarity between model and prototype.
Transcribed Image Text:When crude oil (r.d = 0.855, µ = 71.8*104 Pa. s) flows in a 50 mm horizontal pipeline at 4.5 m/s, a pressure drops of 6500 kPa occurs in 60 m of pipe. Calculate the pressure drop in the corresponding length of a pipe model 25 mmd when gasoline (r.d = 0.68, µ = 2.9*104 Pa. s) flows in the model for complete similarity between model and prototype.
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