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Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
Critical technologies related to SCAT development, including cavitator hydrodynamics, control surface hydrodynamics, static pressure sensing, flow noise calculations and hydrodynamics modeling of high-speed supercavitating flows. Focused on critical technologies related to SCAT development, including hydrodynamics of advanced cavitator concepts, control surface hydrodynamics, cavity geometry studies for comparisoin with CFD modeling, small-scale model design and fabrication, and flow noise testing and modeling.
Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
Critical technologies related to SCAT development, including cavitator hydrodynamics, control surface hydrodynamics, static pressure sensing, flow noise calculations and hydrodynamics modeling of high-speed supercavitating flows. Focused on critical technologies related to SCAT development, including hydrodynamics of advanced cavitator concepts, control surface hydrodynamics, cavity geometry studies for comparisoin with CFD modeling, small-scale model design and fabrication, and flow noise testing and modeling.
Author: Naval Undersea Warfare Center (U.S.). In-House Laboratory Independent Research Program Publisher: ISBN: Category : Hydrodynamics Languages : en Pages : 278
Author: I. N. Kirschner Publisher: ISBN: Category : Languages : en Pages : 14
Book Description
For much of the last decade, the Naval Undersea Warfare Center (NUWC) Division Newport Rhode Island bas conducted basic research and development involving supercavitating projectiles. Under this program, the theory of high-Mach-number underwater flows has been investigated and first-principles modeling of cavity development and projectile dynamics and stability have all been addressed. To support these analytical efforts a sophisticated experimental program has similarly matured. The NUWC Division Newport Supercavitating High-Speed Bodies (SHSB) Test Range has been designed to safely test underwater gun-launched projectiles traveling in excess of the speed of sound in water. This range was installed as an upgrade to a facility originally designed as a tow tank for testing tactical scale undersea vehicles. Currently the test range is 17 m long and approximately 4 m deep. Armor plates positioned ^ 1.5 m apart ensure flat even unstable projectile trajectories are confined to the range. This lecture describes the experimental facility and the tests performed there through the end of the author's tenure at NUWC circa December 1998. A description of the test range its instrumentation suite and the extensive photographic capabilities developed to capture these high-speed projectiles are discussed. A summary of the experimental milestones through December 1998 is also presented.
Author: Santosh Burnwal Publisher: LAP Lambert Academic Publishing ISBN: 9783848483853 Category : Languages : de Pages : 124
Book Description
Supercavitation is an emerging technology in which the most cursed 'Cavitation' is used as a beneficial to engineering application. Supercavitation is achieved when a body moves through water at sufficiently high speed, so that the fluid pressure drops to the water vapour pressure and a vapour bubble (called cavity) envelops the entire vehicle (except the cavitator and fins). Hence, the skin friction drag of the vehicle becomes almost zero. Hence, vehicle can move in the two phase medium.The development of supercavitating vehicle has been confronted with various challenging problems such as the potential instability of the vehicle, the unsteady nature of the cavity dynamics and the complex, non-linear and time delayed nature of the interaction between vehicle and cavity. Moreover depending upon some non dimensional parameter e.g. cavitation number ( ), the equilibrium of the vehicle may shift from a stable equilibrium to a limit cycle."
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Author: Naval Undersea Warfare Center (U.S.). In-House Laboratory Independent Research Program
Author: I. N. Kirschner
Author: United States. National Bureau of Standards
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Author: 
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Author: Santosh Burnwal
Author: United States. National Bureau of Standards
Author: United States. National Bureau of Standards