APPENDIX E – Air-Water Interface
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Surge Analysis and the Wave Plan Method
Supplementary Material: Example Problems and Solutions
Appendix E – Problem 1
E.1 What is the velocity required in a 300 mm diameter pipeline with a downward slope of 20° to prevent any small air bubbles from moving in the direction opposite the flow direction?
Use Eq. E.2 to compute the minimum velocity V m required for hydraulic transport of non-dissolved air with a = 0.2148, b = 0.3716, D = 0.3, and θ = 20°.
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