1–20 of 112 hits
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    A calculation method for natural frequencies and transverse vibration of a belt span in accessory drive systems

    Shangguan, Wen-Bin / Feng, Xiao / Lin, Haoting et al. | Tema Archive | 2013
    Keywords: Lärmminderung

    Accurate and efficient prediction of acoustical performance of noise barriers against transport noise pollution

    Peng, S.Z. / Sun, H.M. | Tema Archive | 2009
    An improved acoustical wave propagator (I_AWP) technique with high-order. absorbing boundary technique is introduced to evaluate the ...
    Keywords: Lärmschutz

    A comparison of actuation and sensing techniques for aircraft cabin noise control

    Rossetti, D.J. / Norris, M.A. | Tema Archive | 1996
    An experimental comparison of various configurations of actuators and sensors for active noise and vibration control in turboprop aircraft ...
    Keywords: Lärmminderung

    Acoustical diagnoses of porous drainage pavements

    Iwase, Teruo / Kazama, Kaoru / Ishikawa, Kenichi et al. | Tema Archive | 2009
    Road traffic noise reduction of drainage pavement with small air gaps among grains is well known. However, traffic flow over many years ...
    Keywords: Lärm , Lärmminderung

    Acoustic monitoring of low noise road pavements

    Anfosso-Ledee, F. / Brosseaud, Y. | Tema Archive | 2009
    Low noise road pavements can be considered as attractive means for road traffic noise reduction. An overview of the current low noise ...
    Keywords: Lärmminderung

    Active control of far-field noise from a ducted propeller

    Sutlif, D.L. / Nagel, R.T. | Tema Archive | 1995
    modes. This work has shown effective control of the (1, 0) mode and the plane wave (0, 0) mode. Noise reduction is realized with this technique ...
    Keywords: Geräuschemission

    Active control of interior noise in model aircraft fuselages using piezoceramic actuators

    Fuller, C.R. / Snyder, S.D. / Hansen, C.H. et al. | Tema Archive | 1992
    realitätsnahen Fußboden, so daß diese Regeltechnik auch in echten Flugzeugstrukturen erfolgreich anwendbar ist. Hierfür sind allerdings weitere Versuche ...
    Keywords: Lärmbekämpfung

    Active structural acoustic control of noise transmission through double panel systems

    Carneal, J.P. / Fuller, C.R. | Tema Archive | 1995
    This paper investigates the application of active structural acoustic control (ASAC) to the radiating panel of a double panel system ...

    A hierarchical approach to the assessment of the variability of interior noise levels measured in passenger cars

    Lionnet, Cecile / Lardeur, Pascal | Tema Archive | 2007
    A hierarchical approach is first presented to analyse the variability of structure-borne interior noise levels. A new terminology is ...

    Aircraft engine noise quantities, noise sources and alleviation

    Jacques, R. | Tema Archive | 1994
    This paper provides an overview of the aircraft noise. The classical noise units and these appropriate to quantify the annoyance related to ...
    Keywords: Lärmminderung

    Aircraft noise and airport capacity

    Shepherd, K.P. | Tema Archive | 1992

    Analysis of power train motions given a combination of active and passive isolators

    Park, Jae-Yeol / Singh, Rajendra | Tema Archive | 2009
    Keywords: Geräuschentwicklung

    A numerical study of the use of pilot or split rate injection to reduce diesel engine noise

    Ghaffarpour, M.R. / Noorpoor, A.R. | Tema Archive | 2007
    This paper investigates the effects of the various factors on combustion noise without increasing nitrogen oxides (NOx) in ...
    Keywords: Lärmbekämpfung

    A study of a negative impulse wave generator

    Setoguchi, T. / Matsuo, K. / Nakatomi, R. et al. | Tema Archive | 1996
    is the cancelling of noise by the addition of an inverse wave, seems to be a useful technique for reducing impulsive noise. It is the main ...
    Keywords: Lärmminderung

    A study of rotorcraft structure-borne noise isolation using empirical component coupling

    Unruh, J.F. / Fox, D.J. | Tema Archive | 1999
    Control of component excitation generated structure-borne noise transmission into a rotorcraft cabin, such as from rotor vibration ...
    Keywords: Gelenk (Technik)

    A subjective evaluation and analysis of automotive starter sounds

    Otto, N.C. / Wakefield, G.H. | Tema Archive | 1993

    A survey of wheel tyre cavity resonance noise

    Wang, Xu / Jazar, Reza | Tema Archive | 2013
    Noise, vibration, and harshness (NVH) are synonymous with quality factor in automotive engineering. This quality factor is influenced by ...
    Keywords: Lärmbekämpfung , Lärmminderung

    A two-step computational aeroacoustics method applied to high-speed flows

    Marzouk, Osama | Tema Archive | 2008
    This study numerically investigates the generated noise and perturbation fields from an excited high-speed jet flow (air), which is modeled ...

    Boundary element analysis of three-pass perforated duct mufflers

    Ji, Z.L. / Selamet, A. | Tema Archive | 2000