The Gas Turbine Laboratory of the National Research Council of Canada (NRC) has been involved in icing certification testing of gas turbine engines for over 60 years. It has become evident from flight incident reports in recent years, that ice crystals can have serious effects on the performance of the core of a gas turbine. This has led to the proposal of a new certification requirement for turbofan engines.This paper describes the test facilities and procedures, as well as the analysis and verification methods, which have been used recently to develop a new ice crystal generating system. The paper describes the ice crystal production and delivery systems, as well as the design and development version for business jet sized engines. In addition, a description of some component testing using ice crystals on a heated flat plate is included to demonstrate that the facility can replicate rapid ice crystal build-up on surfaces which are significantly above the melting point. Such phenomena have been detected in compressor cores, which have been subjected to high rates of ice crystal ingestion.Finally a discussion of some of the future plans for the use of ice crystal generators integrated into a new cascade rig and an altitude chamber sufficient to accommodate testing located at the Gas Turbine Laboratory is included.


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    Titel :

    Development of Ice Crystal Facilities for Engine Testing


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    MacLeod, J.D. (Autor:in)

    Kongress:

    2007 SAE Aircraft and Engine Icing International Conference ; 2007



    Erscheinungsdatum :

    24.09.2007




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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