experimental study on dynamic pipe fracture in consideration of hydropower plant model
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ID: 257187
2009
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Abstract
In the case of sudden valve closure, water hammer creates the most powerful pressure and damage to pipeline systems. The best way to protect the pipeline system is to eliminate water hammer. The main reasons for water hammer occurrence are valve closure, high initial velocity, and static pressure. However, it is difficult to eliminate water hammer. Water hammer tends to occur when the valve is being closed. In this study, the pipe fracture caused by static water pressure, gradually increasing pressure, and suddenly increasing pressure were compared experimentally in a breaking PVC test pipe. The quasi-static zone, the dynamic zone, and the transition zone are defined through the results of those experiments, with consideration of the fracture patterns of test pipes and impulses. The maximum pressure results were used to design the pipeline even though it is in the dynamic zone.
| Reference Key |
ishikawa2009waterexperimental
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|---|---|
| Authors | ;Kazumi Ishikawa;Yukio Kono;Akira Haga;Kazuo Kato;Kota Sugawara |
| Journal | The Journal of emergency medicine |
| Year | 2009 |
| DOI |
10.3882/j.issn.1674-2370.2009.04.006
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| URL | |
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