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- W3029997654 abstract "A numerical simulation of the actuation system for the propulsion control valve (PCV) of the NASA Langley Aircraft Landing Dynamics Facility was developed during the preliminary design of the PCV and used throughout the entire project. The simulation is based on a predictive model of the PCV which is used to evaluate and design the actuation system. The PCV controls a 1.7 million-pound thrust water jet used in propelling a 108,000-pound test carriage. The PCV can open and close in 0.300 second and deliver over 9,000 gallons of water per sec at pressures up to 3150 psi. The numerical simulation results are used to predict transient performance and valve opening characteristics, specify the hydraulic control system, define transient loadings on components, and evaluate failure modes. The mathematical model used for numerically simulating the mechanical fluid power system is described, and numerical results are demonstrated for a typical opening and closing cycle of the PCV. A summary is then given on how the model is used in the design process." @default.
- W3029997654 created "2020-06-05" @default.
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- W3029997654 date "1990-01-08" @default.
- W3029997654 modified "2023-09-26" @default.
- W3029997654 title "Numerical simulation of the actuation system for the ALDF's propulsion control valve" @default.
- W3029997654 cites W2053644787 @default.
- W3029997654 doi "https://doi.org/10.2514/6.1990-79" @default.
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