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- W1546910897 abstract "The evaluation of fluid forces on the stem is important for wear prediction of valve and actuator guidance parts. While estimating the axial load is straight forward, estimating and/or measuring the side load is more difficult, especially for globe valves. Therefore, measurements are carried out on an ad hoc, scale 1, model of a 2 globe valve. The body is replicated in Plexiglas to enable flow visualization and the original stem is heavily instrumented to allow force measurements in every direction. The flow loop facility used for this experiment is designed to allow fine-tuning of the cavitation intensity. The experiment is run for a set of cavitation conditions, flow rates and disc positions. The results show that the transverse force (perpendicular to the stem) can reach the order of the axial force; thus it should not be ignored. We also observed that it depends very weakly on the cavitation levels. Videos made with a high-speed camera allow an interesting understanding of the fluid flow and the cavitation creation. Moreover, CFD simulations of this experiment, limited to the single phase flow are compared to the experiments. Through the experimental testing, visual observations, and computational predictions, the role of the cavitation on the fluid forces is better understood." @default.
- W1546910897 created "2016-06-24" @default.
- W1546910897 creator A5018970649 @default.
- W1546910897 date "2008-11-01" @default.
- W1546910897 modified "2023-09-26" @default.
- W1546910897 title "Measurement Of The Fluid Flow Load On A Globe Valve Stem Under Various Cavitation Conditions" @default.
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