Chapter 5 – Surge Protection
Surge Analysis and the Wave Plan Method
Supplementary Material: Example Problems and Solutions
Chapter 5 – Problem 5.8
5.8 A surge tank is positioned directly on top of a pipeline as shown in Figure 5.25. The connecting pipe characteristics are; length = 2.5m, internal diameter = 400 mm, the Darcy-Weisbach friction factor = 0.018. A 400 mm butterfly valve with a minor loss coefficient of 0.3 is used as an isolation valve. The isolation valve will be kept fully open during the normal operation of the pipeline and remains fully open during surge events. What is the resistance of the connecting pipe neglecting the minor losses at the entrance and exit of the connecting pipe?
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