61–70 von 157 Ergebnissen
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    Piezoelectric ceramic assembly tubes for torsional actuators (and application to helicopter rotor blade control)

    Kim, C. / Glazounov, A.E. / Flippen, F.D. et al. | Tema Archiv | 1999
    The efforts described here are intended to provide a basis for the utilization of novel piezoelectric actuators in smart materials and ...

    Smart fastener for KC-135 structural integrity monitoring

    Schoess, J.N. / Seifert, G. | Tema Archiv | 1997
    Hidden and inaccessible corrosion in aircraft structures is the number-one logistics problem for the U.S. Air Force, with an estimated ...

    Frontiers in Infrared Windows and Dome Materials

    Harris, D.C. | Tema Archiv | 1995
    discussed. Engineering alternatives must be considered for extending the range of operating conditions for infrared windows and dome materials. ...

    Thermal investigation of real aircraft components

    Dal Toe, S. / Bison, P.G. / Marinetti, S. et al. | Tema Archiv | 2001
    Composite materials are prone to various damages, particularly if used for aeronautic fuselage components. These parts are increasingly ...

    Thruster-plume-induced contamination measurements from the PIC and SPIFEX flight experiments

    Soares, C.E. / Barsamian, H. / Rauer, S. | Tema Archiv | 2002
    developed for the International Space Station (ISS). ...

    Investigating the use of ultrasonic guided waves for aging wire insulation assessment

    Anastasi, R.F. / Madaras, E.I. | Tema Archiv | 2002
    becomes brittle and cracks. This exposes the underlying conductive wire to the potential for short circuits and fire. The difficulty is that ...

    Model reduction and substructuring for computing responses of structures containing frequency-dependent viscoelastic materials

    Germes, S. / Van Herpe, F. | Tema Archiv | 2002
    systems, there is still a need for finite element models capable of predicting the frequency response of structures containing VEM. We address in ...

    Feasibility study of embedded fiber-optic strain sensing for composite propeller blades

    Zetterlind, V.E. / Watkins, S.E. / Spoltman, M.W. | Tema Archiv | 2001
    feasibility of embedded fiber-optic smart instrumentation was examined for use in the commercial manufacture and testing processes used by Hartzell ...

    Multifunctional system for active noise control and damage detection on a typical aeronautical structure

    Lecce, L. / Viscardi, M. / Zumpano, G. | Tema Archiv | 2001
    piezo's was decided to be used also for health monitoring application. As a preliminary activity, an extensive monitoring was performed on the ...

    Thin film coatings with variable emittance

    Larsson, A.L. / Niklasson, G. / Stenmark, L. | Tema Archiv | 1999