Studies on Oil Hammer and Transient Response in Oil Pipeline : 1st Report, In the Case of a Straight Uniform Pipeline

概要

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In this report, the pressure surge resulting from a step change of an outlet flow is called the oil hammer and that of an inlet flow is called the transient response in a pipeline. The response waves of the pressure at an arbitrary position of the pipeline have been investigated by theoretical analyses and experiments under various line-conditions. The theoretical solutions involving the influence of a reflecting wave in the oil hammer and the transient response have been derived by using the equivalent viscous resistance. The equivalent viscous resistance has been derived by comparing between the viscous resistance of an unsteady flow and that of a steady one. It is shown that the theoretical solutions are in good agreement with the experimental results under various line-conditions.
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