Required information When water at 20°C flows through an 20-cm-diameter pipe, the wall shear stress is 78 Pa. The properties of water at 20°C are p = 998 kg/m³ and p = 0.001 kg/m-s. What is the axial pressure gradient (à p/ox) if the pipe is vertical with the flow up?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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When water at 20°C flows through an 20-cm-diameter pipe, the wall shear stress is 78 Pa. The properties of water at 20°C
are p=998 kg/m3 and u= 0.001 kg/m-s.
What is the axial pressure gradient (à p/ox) if the pipe is vertical with the flow up?
The axial pressure gradient is
Pa/m
Transcribed Image Text:Required information When water at 20°C flows through an 20-cm-diameter pipe, the wall shear stress is 78 Pa. The properties of water at 20°C are p=998 kg/m3 and u= 0.001 kg/m-s. What is the axial pressure gradient (à p/ox) if the pipe is vertical with the flow up? The axial pressure gradient is Pa/m
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