Supplementary Material 1.6

Chapter 1 – Wave Plan Method

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Surge Analysis and the Wave Plan Method

Supplementary Material: Example Problems and Solutions

Chapter 1 – Problem 1.6

1.6 Consider the pressure wave propagation shown in Figure 1.15 of the book “Surge Analysis and the Wave Plan Methodresulting from an instantaneous opening of the valve at the end of a simple pipeline system. The depth of water in the reservoir is H and the change in pressure due to the instantaneous opening of the valve is ΔH. Neglect frictional losses. Plot the time vs. pressure variation for at least four wave periods at the following locations:

a. Immediately upstream of the valve.
b. The middle of the pipeline.
c. Immediately downstream of the reservoir.

Solution:

a. Immediately upstream of the valve

b.    The middle of the pipeline

c.    Immediately downstream of the reservoir


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