Multifunction tests of a frequency domain based flutter suppression system [PDF]
The process is described of analysis, design, digital implementation, and subsonic testing of an active control flutter suppression system for a full span, free-to-roll wind tunnel model of an advanced fighter concept.
Adams, William M., Jr. +1 more
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Clinical outcomes of high-density mapping for atypical atrial flutter ablation [PDF]
, 2022 B G S Abeln +6 more
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Evaluation of four subcritical response methods for on-line prediction flutter onset in wind-tunnel tests [PDF]
The methods were evaluated for use in tests where the flutter model is excited solely by airstream turbulence. The methods were: randomdec, power-spectral-density, peak-hold, and cross-spectrum.
Doggett, R. V., Jr. +3 more
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Incidence and Implications of Atrial Fibrillation/Flutter in Hypertension [PDF]
, 2020 Vibhu Parcha +6 more
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A preliminary study of the effects of vortex diffusers (winglets) on wing flutter [PDF]
Some experimental flutter results are presented for a simple, flat-plate wing model and for the same wing model equipped with two different upper surface vortex diffusers over the Mach number range from about 0.70 to 0.95.
Doggett, R. V., Jr., Farmer, M. G.
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Passive control of wing/store flutter [PDF]
Results are presented for a passive flutter suppression approach known as the decoupler pylon. The decoupler pylon dynamically isolates the wing from store pitch inertia effects by means of soft spring/damper elements assisted by a low frequency feedback
Cazier, F. W., Jr. +2 more
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Direct hepatic vein puncture and transseptal access for atrial flutter and fibrillation ablation in a patient with prior ligation of the inferior vena cava [PDF]
, 2020 Prakash Suryanarayana +3 more
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Comparison of analytical and wind-tunnel results for flutter and gust response of a transport wing with active controls [PDF]
Two flutter suppression control laws wre designed and tested on a low speed aeroelastic model of a DC-10 derivative wing. Both control laws demontrated increases in flutter speed in excess of 25 percent above the passive wing flutter speed.
Abel, I., Newsom, J. R., Perry, B., III
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