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Showing 1 to 3 of 3 for “"turbulent decay"”.
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Comparison of RANS Modeling to Dual-Plane PIV Measurements of the Turbulent Tip Vortex Trailed from a Hovering Rotor
… were conducted to study the development and turbulent decay of the tip vortices in the wake produced by a hovering rotor. The computational results were compared to detailed, dual plane Particle Image Velocimetry (PIV) measurements of a turbulent tip vortex trailed from a single-bladed rotor. …
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A New Multifunctional MEMS-Based Piezoresistive Pressure Sensor for Monitoring Static, Acoustic, and Turbulent Events in Underwater Applications
… capabilities in monitoring static, acoustic, and turbulent events. Nanosonic sensors were evaluated though extensive water tunnel testing. Two sensors were surface mounted into a NACA 0018 hydrofoil and evaluated under a range of angles of attack (AoAs) and flow speeds. The results highlight the …
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Quantum turbulence generated by moving grids
… We investigated the frequency dependence of the turbulent drag on an oscillating grid. At high velocities, the turbulent drag is independent of frequency and similar to what was measured in liquid helium-4 in its normal phase. We also present measurements of the inertial drag coefficient for grid …