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Keywords: water hammer
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Proceedings Papers

Proc. ASME. FEDSM2021, Volume 1: Aerospace Engineering Division Joint Track; Computational Fluid Dynamics, V001T02A021, August 10–12, 2021
Paper No: FEDSM2021-65920
...Abstract Abstract In this paper analytical formulas of water hammer known from the literature are simplified to the shortest possible mathematical form based on dimensionless parameters: dimensionless time, water hammer number, etc. Novel formulas are determined, for example for the flow...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A005, July 13–15, 2020
Paper No: FEDSM2020-20037
...The Influence of Connecting Pipe on Surge Water Level and Water Hammer Pressure in Surge Tank Gaohui LI 1 Lin ZHANG 2 Tianchi ZHOU 1 (1. Powerchina Huadong Engineering Corporation Limited, Hangzhou 310000, China; 2. Hohai University, Nanjing 210000, China) Abstract In the calculation...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A028, July 28–August 1, 2019
Paper No: AJKFluids2019-5180
...; Water hammer; Coupled simulation; Pump system. NOMENCLATURE A area of pipe a wave celerity (m/s) D pipe diameter (m) f Darcy-Weisbach friction factor F the external body force (N) g gravity acceleration: 9.82 m/s2 H total head (m) H0 the hydraulic loss through valve with fully 1 Contact author...
Proceedings Papers

Proc. ASME. FEDSM2008, Volume 2: Fora, 341-348, August 10–14, 2008
Paper No: FEDSM2008-55261
... regulating valve water conveyance system water hammer regulation guarantee calculation Proceedings of FEDSM2008 2008 ASME Fluids Engineering Conference n e 1 h law of turbine guide vane is difficult to control speed-rise and the pressure and the speed-rise of unit increased rapidly in the Proceedings...
Proceedings Papers

Proc. ASME. FEDSM2008, Volume 2: Fora, 361-367, August 10–14, 2008
Paper No: FEDSM2008-55286
... 10 07 2009 One-way surge tank is an important measure of water hammer protection in long water supply engineering. It can control the negative pressure efficiently and prevent pipeline from column separation. Setting one-way surge tank in proper place along pipeline is relative...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 57-61, July 30–August 2, 2007
Paper No: FEDSM2007-37428
... reject load at the moment. pumped storage plants reversible pump-turbine load successive rejection water hammer combined conditions Proceedings of FEDSM2007 5th Joint ASME/JSME Fluids Engineering Conference and results in the minimum pressure at draft tube does not occur while all sets...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 47-55, July 30–August 2, 2007
Paper No: FEDSM2007-37426
... 26 03 2009 Considering such factors as the original load of turbine, closure time of wicket gate, and water level of reservoir are changeable in the practical operation of waterpower station, they should be regarded as random variables in water hammer analysis. Accordingly, random...
Proceedings Papers

Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 3019-3026, July 6–10, 2003
Paper No: FEDSM2003-45282
... and could be as thin as possible, to avoid losing the neutron economy simultaneously. So the dynamic capsule experiments have been conducted for investigating pressure wave propagation, water hammer and deformation response using explosive as a source. And analytical approach was contrived to reproduce...
Proceedings Papers

Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 2805-2810, July 6–10, 2003
Paper No: FEDSM2003-45248
... the Cpu time to solve steady flows in large pipelines. Water hammer steady flows large pipelines method of characteristics graph theory through pseudo transients inspite of the non-linearity of the equation accelera With the characte useful. T [1], A.E quickly t is physic and mat The TM...
Proceedings Papers

Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 3049-3055, July 6–10, 2003
Paper No: FEDSM2003-45287
... that low pressure supplied by a pump may be increased to the necessary high pressure by an oil hammer. Pipeline Water Hammer Oil Hammer Intensifier Hydraulic Cylinder 1 g S ABSTRACT The a oil hammer an oil ham an applicat construction simulation. High pipeline is downstream valve when...
Proceedings Papers

Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 2821-2826, July 6–10, 2003
Paper No: FEDSM2003-45251
... 05 02 2009 In this attempt effect of pipeline equipment behavior was considered on water hammer numerically. The effect includes opening / closing of the shut off valves, loss of coefficient of the outlet bypass pipe for the air chamber, elasticity of the pipeline and loss coefficient...
Proceedings Papers

Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 3069-3075, July 6–10, 2003
Paper No: FEDSM2003-45679
... 05 02 2009 Fire Protection water systems are typically piping networks where water is pumped from a low elevation reservoir at atmospheric pressure to higher elevations in the buildings served by the system. Because of this nature of their design, they are prone to water hammers due...
Proceedings Papers

Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 2945-2951, July 6–10, 2003
Paper No: FEDSM2003-45272
... in the assessment of a steam explosion. Water hammer LWR Severe Accident Steam Explosion Bubble Growth water pool is one of the factors whose possibility still cannot be pressure wave should be paid attention in the assessment of a steam explosion. , Proceedings of ASME FEDSM 03 4th ASME_JSME Joint...
Proceedings Papers

Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 2953-2959, July 6–10, 2003
Paper No: FEDSM2003-45273
... 05 02 2009 Water hammer load induced by ex-vessel steam explosion, which is resulted from molten fuel in water pool, still includes many uncertain factors in safety research against severe accident for design criteria of next generation nuclear power plant. One of the factors is degree...
Proceedings Papers

Proc. ASME. FEDSM2006, Volume 2: Fora, 931-936, July 17–20, 2006
Paper No: FEDSM2006-98155
... calculation and field test indicate that water hammer in pumped storage plant water conveyance system caused by wicket gate closing together with rotation speed-rise, is effectively reduced by the closing laws presented above, especially to the latter, its turning point position can change following...