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Example 1.3 The pressure drop over a 30-m length of 1-cm-diameter horizontal pipe transporting water at 20°C is measured to be 2kPa. A laminar flow is assumed. Determine (a) the maximum velocity in the pipe, (b) the Reynolds number, (c) the wall shear stress, and (d) the friction factor.

Example 1.3 The pressure drop over a 30-m length of 1-cm-diameter horizontal pipe transporting water at 20°C is measured to be 2kPa. A laminar flow is assumed. Determine (a) the maximum velocity in the pipe, (b) the Reynolds number, (c) the wall shear stress, and (d) the friction factor.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Еxample 1.3 The pressure drop over a 30-m length of 1-cm-diameter horizontal pipe transporting water at 20°C is measured to be 2kPa. A laminar flow is assumed. Determine (a) the maximum velocity in the pipe, (b) the Reynolds number, (c) the wall shear stress, and (d) the friction factor. Solution to be worked in class Example 1.4 Consider a constant diameter pipe with oil flowing through it. SG of the oil =0.85, kinematic viscosity = 6X10“ m²/s, diameter = 15cm and discharge = 0.02 m/s. The center of the pipeline at the exit is 2m above that at the entry to the pipeline. Find the head loss in 100 m length of pipe and the pressure drop at the exit of the pipe.
Transcribed Image Text:Еxample 1.3 The pressure drop over a 30-m length of 1-cm-diameter horizontal pipe transporting water at 20°C is measured to be 2kPa. A laminar flow is assumed. Determine (a) the maximum velocity in the pipe, (b) the Reynolds number, (c) the wall shear stress, and (d) the friction factor. Solution to be worked in class Example 1.4 Consider a constant diameter pipe with oil flowing through it. SG of the oil =0.85, kinematic viscosity = 6X10“ m²/s, diameter = 15cm and discharge = 0.02 m/s. The center of the pipeline at the exit is 2m above that at the entry to the pipeline. Find the head loss in 100 m length of pipe and the pressure drop at the exit of the pipe.
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