1–14 von 14 Ergebnissen
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    Passive control of tire vibration with a dry polymer additive: Experiments and analysis

    Frank, J.E. / Koopmann, G.H. / Chen, W. | Tema Archiv | 2003

    Volume velocity control of sound transmission through composite panels

    Pierre, R.L.S. jun. / Koopmann, G.H. / Chen, W. | Tema Archiv | 1998

    Enhanced low frequency transmission loss of light weight trim panels using PZT inertial actuators

    Huang, Wenchao / Koopmann, G.H. / Sharp, S.J. et al. | Tema Archiv | 2000

    Design of adaptive panels with high transmission loss characteristics

    St. Pierre, R.L. jun. / Chen, W. / Koopmann, G.H. | Tema Archiv | 1995

    Geraeuschminderung bei Radialventilatoren durch Resonatoren an der Gehaeusezunge

    Neise,W. / Koopmann,G.H. / DFVLR,Inst.f.Exper.Stroem.-Mech.,Berlin et al. | Kraftfahrwesen | 1981

    A THEORETICAL INVESTIGATION OF OPTIMAL POWER ABSORPTION AS A NOISE CONTROL TECHNIQUE

    Sharp, S.J. | Online Contents | 2002
    Beteiligte: Koopmann, G.H.

    Volume velocity control of sound transmission through composite panels (sv971306)

    St Pierre Jr, R.L. | Online Contents | 1998
    Beteiligte: Koopmann, G.H.

    Design Approach for Minimizing Sound Power from Vibrating Shell Structures

    Constans, E.W. | Online Contents | 1998
    Beteiligte: Koopmann, G.H.

    Modelling and characterization of a piezoceramic inertial actuator

    Lesieutre, G.A. | Online Contents | 2003
    Beteiligte: Koopmann, G.H.