Advances in the development of radiation pyrometry for measuring the blade temperature in gas-turbine engines are reported. In this system, engine-mounted sensor heads collect thermal radiation from either a spot or a reasonably large area of the turbine blade. High-temperature fiber optics transmit the radiation to a remote detector housing where the photons are converted into an electrical signal by a silicon photovoltaic cell. A signal processor measures and displays on a real-time basis three temperature characteristics of the turbine blades with response better than 10 ms in most cases. Recent developments include smaller electronics, practical sensor heads, and 5000 h fiber optics. Importance of measuring the blade temperature, potential uses of the data, and actual engine tests are described.


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    Titel :

    Radiation Pyrometer for Gas Turbine Blades


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Rohy, David A. (Autor:in) / Duffy, T. E. (Autor:in) / Compton, W. A. (Autor:in)

    Kongress:

    1972 Automotive Engineering Congress and Exposition ; 1972



    Erscheinungsdatum :

    01.02.1972




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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