1–10 von 216 Ergebnissen
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    Research on the Support and Gravitational Deformation of Large Aperture Primary Mirror of Space Telescopes

    Peng, Yang-Lin / Dai, Yi-Fan / Chen, Shan-Yong | Tema Archiv | 2012
    telescopes are used in weightless environments, which is different from the ground environment for optical machining and testing. Therefore the ...

    A study of active thermography approaches for the non-destructive testing and evaluation of aerospace structures

    Avdelidis, N.P. / Ibarra-Castanedo, C. / Marioli-Riga, Z.P. et al. | Tema Archiv | 2008
    The prerequisite for more competent and cost effective aircraft has led to the evolution of innovative testing and evaluation procedures ...

    Fiber optic sensor-based SHM technologies for aerospace applications in Japan

    Takeda, N. | Tema Archiv | 2008
    Optical fiber sensors are promising as tools for damage and structural health monitoring (SHM) of aerospace composite structures. Hence ...

    Hybrid, contact, and no contact measurement system for industry

    Sitnik, R. / Sladek, J. / Kupiec, M. et al. | Tema Archiv | 2008
    the paper we present a concept that combines the accuracy of coordinate measurement machines (CMM) and the speed of full-field optical methods ...

    Damage quantification using attenuation based signal processing for health monitoring in carbon fiber composites

    Reynolds, W. / Chattopadhyay, A. | Tema Archiv | 2008
    conditions. In the current research, a structural health monitoring (SHM) and prognosis framework is being developed for heterogeneous material ...

    Detection of impact damage on thermal protection systems using thin-film piezoelectric sensors for integrated structural health monitoring

    Na, J.K. / Kuhr, S.J. / Jata, K.V. | Tema Archiv | 2008
    is developing a reliable and robust on-board sensing/monitoring capability for next generation thermal protection systems to detect and ...

    Damage detection and leakage alert of fiber composite wrapped tank for high pressure hydrogen storage

    Sun, Xiao-Yan / Huston, D.R. / Qin, Quan et al. | Tema Archiv | 2008
    Car manufactures are turning to high pressure hydrogen storage for on-broad power applications. Fiber-composite-wrapped high pressure ...

    Polarization measurements of automobile paints

    Goldstein, D.H. | Tema Archiv | 2008
    micrometer. Depolarization indices for all polarimetric measurements were calculated. ...

    Detection of disbonds in a honeycomb composite structure using guided waves

    Baid, H. / Banerjee, S. / Joshi, S. et al. | Tema Archiv | 2008

    Inspection of Lamb waves in carbon fiber composites using shearographic interferometry

    Focke, O. / Hildebrand, A. / Kopylow, C. von et al. | Tema Archiv | 2008
    . The optical implementation of both techniques within the interferometically setup and experimental results with the possibility to measure the ...