Effect of air pockets on pipeline surge pressure
نویسندگان
چکیده
sures experienced by a pipeline can be either beneficial or detrimental from an operational performance perspective, depending on the amount, the two phase regime of the mixture (whether homogeneous or slug) and the nature and cause of the transient. It is generally held that when free (undissolved) air, or gas, is present in a hydraulic system, it can greatly reduce the surge pressure levels because free air in a homogeneous mixture greatly increases the elasticity of the fluid, so reducing the pressure wave speed and enhancing surge damping (Wylie and Streeter, 1978,3 Ewing, 19803.
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