Three special probes have been measurements of flow parameters, a combustion chamber of a gas turbine engine. The first arrangement has been designed for measurements of static pressure in a flow with high value of streamline curvature. The probe consists of two flat round plates (Saire plates) fixed parallel very near to each other to the stem of the probe. Pressures are measured in the centre of the inner side of each plate and averaged inside the stem. The design of the second probe (compound probe) has been governed by the purpose in doing simultaneous measurements of total pressure and total temperature, exactly at the same point of a flow. The probe is based on the direction non-sensitive Pitot probe, but with the sheathed thermocouple placed inside the pressure pipe. The same probe was used to collect samples for analysis of an exhaust gas composition. The design of the third probe has been based on the idea to measure air total pressure and static pressure in the inlet of combustion chamber vaporizer without disturbing its normal operation. The probe is based on a typical fuel injector for the annular vaporizing combustion chamber. The fuel injector has been equipped with two additional pressure pipes arranged to enable measurements of total pressure and static pressure on the outer side of the fuel outlet.


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    Titel :

    Special probes for measurements of flow parameters in a gas-turbine engine


    Beteiligte:
    Romicki, Z.M. (Autor:in) / Zurkowski, S. (Autor:in)


    Erscheinungsdatum :

    1999


    Format / Umfang :

    9 Seiten




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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