Synonyms were used for: Noise vibration,
Search without synonyms: title: Noise and Vibration; Noise and vibration, 2010

1–20 of 468 hits
|

    Surface Vibration Measurement and Analysis for UAM/UAS Electric Motor Noise

    Jordan D Cluts / Dennis L Huff / Brenda S Henderson et al. | NTRS
    noise profile and could generate cabin noise. Understanding and predicting the noise requires more knowledge of the rotor vibrations ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Electric Motor Noise , Aircraft Propulsion And Power

    Review of Noise and Vibration Control Technologies for Rotorcraft Transmissions

    J. J. Scheidler / V. M. Asnani | NTIS | 2016
    airframe and produces noise. The scope is thus limited to vibration control treatments and modifications of the gears, driveline, housing ...
    Publisher: National Aeronautics and Space Administration, Cleveland, OH. NASA John H. Glenn Research Center at Lewis Field.
    Keywords: Aerodynamic noise , Noise generators , Vibration damping , Aircraft noise , Noise reduction , Vibration

    A Review of Noise and Vibration Control Technologies for Rotorcraft Transmissions

    Scheidler, Justin J. / Asnani, Vivake M. | NTRS | 2016
    airframe and produces noise. The scope is thus limited to vibration control treatments and modifications of the gears, driveline, housing ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: gear vibration , cabin noise

    A Review of Noise and Vibration Control Technologies for Rotorcraft Transmissions

    Scheidler, Justin J. / Asnani, Vivake M. | NTRS | 2016
    airframe and produces noise. The scope is thus limited to vibration control treatments and modifications of the gears, driveline, housing ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: gear vibration , cabin noise

    Noise and noise-induced structural vibration of the ranger spacecraft

    NTRS | 1965
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Launch Vehicles And Space Vehicles

    Noise and Vibration on High-Speed Tractors

    E. I. Kandaurova | NTIS | 1974
    Keywords: Noise(Sound) , Vibration

    Random Noise and Vibration in Space Vehicles

    R. H. Lyon | NTIS | 1967
    Contents: Introduction (prediction of the environment, calculation of response, simulation of environmental loads); Flight vehicle noise ...
    Publisher: Bolt Beranek and Newman Inc Cambridge Mass
    Keywords: Vibration , Noise , Aerodynamic noise

    Current structural vibration problems associated with noise

    Mixson, J. S. | NTRS | 1974
    these high-performance vehicles are reviewed and an estimate made of selected noise-induced structural vibration problems. Considerations for ...
    Publisher: NASA National Aeronautics and Space Administration

    Acceptance and control of aircraft interior noise and vibration

    Stephens, D. G. / Leatherwood, J. D. | NTRS | 1980
    Ride quality criteria for noise, vibration, and their combination in the helicopter cabin environment are discussed. Results are presented ...
    Publisher: NASA National Aeronautics and Space Administration

    Combined effect of noise and vibration on passenger acceptance

    Leatherwood, J. D. | NTRS | 1984
    combined noise and vibration environments has been completed. This model was developed for use in the prediction and/or assessment of vehicle ride ...
    Publisher: NASA National Aeronautics and Space Administration

    Marine Technology Symposium (4th): Ship Vibration, Noise and Hydrodynamics

    NTIS | 1986
    Contents: Solution of ship vibration problems - current situation and future prospects; Substructure synthesis in the dynamic analysis of ...
    Keywords: Vibration , Noise(Sound)

    Combined Effect of Noise and Vibration on Passenger Acceptance

    J. D. Leatherwood | NTIS | 1983
    combined noise and vibration environments has been completed. This model was developed for use in the prediction and/or assessment of vehicle ride ...
    Publisher: National Aeronautics and Space Administration, Hampton, VA. Langley Research Center
    Keywords: Noise tolerance , Vibration

    Reduction of Noise and Vibration on Fork Lift Trucks

    P. Bartels / H. Dupuis / P. Jenik et al. | NTIS | 1983
    rotation speed) at the driver's ear of 10,0 dB (A) to 77.5 dB (A), and reduction of vibration of 50% to 65% measured at the driver's seat are ...
    Keywords: Noise Pollution & Control , Noise reduction , Vibration damping

    Lead-Lag Control for Helicopter Vibration and Noise Reduction

    F. Gandhi | NTIS | 1995
    vibratory hub loads. Some of these methods are aimed specifically at alleviating vibration at very high flight speeds and increasing the maximum ...
    Publisher: National Aeronautics and Space Administration, Hampton, VA. Langley Research Center
    Keywords: Aircraft noise , Vibration , Vibration damping , Noise reduction , Vibration isolators

    Noise and Vibration Characteristics of High Speed Transit Vehicles

    NTIS | 1971
    fixed route, high speed rapid transit systems and equipment. The community noise and ground vibration caused by such systems and vehicles is a ...
    Publisher: Wilson, Ihrig and Associates, Inc., Berkeley, Calif
    Keywords: Noise Pollution & Control , Vibration isolators , Noise reduction , Vibration damping , Noise pollution

    Physical and subjective studies of aircraft interior noise and vibration

    Stephens, D. G. / Leatherwood, J. D. | NTRS | 1979
    Measurements to define and quantify the interior noise and vibration stimuli of aircraft are reviewed as well as field and simulation ...
    Publisher: NASA National Aeronautics and Space Administration

    Novel Adaptive Structural Impedance Control Approach to Suppress Aircraft Vibration and Noise

    V. Wickramasinghe / D. Zimcik / Y. Chen | NTIS | 2004
    Significant levels of undesired vibration and noise are inherent in transport and combat vehicles, particularly in helicopters and ...
    Keywords: Vibration , Aircraft noise

    Wheel/Rail Noise and Vibration. Volume II: Applications to Control of Wheel/Rail Noise

    P. J. Remington / M. J. Rudd / I. L. Ver | NTIS | 1975
    -rail noise, and suggested testing procedures for improving control measures. ...
    Keywords: Noise Pollution & Control , Noise reduction , Vibration damping , Noise pollution , Wheel rail noise

    Human Response to Aircraft-Noise-Induced Building Vibration

    Cawthorn, J. M. / Dempsey, T. K. / DeLoach, R. | NTRS | 1978
    The effects of noise induced building structure vibration and the rattle of objects on human response to aircraft flyover noise were ...
    Publisher: NASA National Aeronautics and Space Administration

    An Evaluation of Helicopter Noise and Vibration Ride Qualities Criteria

    C. E. Hammond / D. D. Hollenbaugh / S. A. Clevenson et al. | NTIS | 1981
    Two methods of quantifying helicopter ride quality; absorbed power for vibration only and the NASA ride comfort model for both noise and ...
    Publisher: National Aeronautics and Space Administration, Hampton, VA. Langley Research Center
    Keywords: Aircraft noise , Vibration , Noise intensity , Noise measurement , Vibration measurement