Answered: Water at 20°C flows through a…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Water at 20°C flows through a 300-mm-diameter pipe that discharg sphere as shown in Figure 4.61, When a partially open val the top of the pipe, the flow rate in the pipe is 0.2 m*s and the (gauge) pressure just upstream of the valve is 600 kPa. Estimate the force partially open valve, es into the atmo- ve extends 200 mm from exerted by the water on the —Valve 0.2 mYs —» Atmosphere Figure

Water at 20°C flows through a 300-mm-diameter pipe that discharges into the atmo-
sphere as shown in Figure 4.61. When a partially open valve extends 200 mm from
the top of the pipe, the flow rate in the pipe is 0.2 m /s and the (gauge) pressure just
upstream of the valve is 600 kPa. Estimate the force exerted by the water on the
partially open valve,
Valve
600 kPa
0.2 m/s
300 mm
Atmosphere
100 mm
Figure 4.61: Flow past a partially open valve

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