Thermoelectric couple was employed in traditional airplane engine nozzle temperature measurement system with the disadvantages of large size, heavy weight, big error, and slow response. This paper presents a new kind of real-time temperature measurement system using laser diode InGaAs/I as light source, and using pyroelectric detector LiTa03 as an optical receiving unit and using a microprocessor as signal processing center. This instrument consists of three parts: optical emitting and receiving system, signal amplifying and controlling system, and display system. The principle, structure, and anti-interference measurement of the system are introduced. Experimental results of airplane engine real-time temperature measurement show that temperature measurement accuracy and response time conform to our requirement in the range of 300-800 °C and agree with prediction of theory. All these prove that the design is correct.


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    Titel :

    Study of Airplane Engine Temperature Measurement System Through Lasers and Pyroelectric Detector


    Beteiligte:
    Xia, Yuan-Fei (Autor:in) / Li, Xue-Yuan (Autor:in) / Ren, Qiang (Autor:in)


    Erscheinungsdatum :

    2014


    Format / Umfang :

    10 Seiten





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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