During the test phase of an - in this case two engined - combat aircraft extensive evaluation work has to be done especially if this aircraft is powered by a newly developed engine. As far as engine performance is concerned various approaches to determine thrust-in-flight and other appropriate parameters are discussed. The degree of specialization or simplification of some methods points to the applicability, i.e. the quick estimation of actual take off thrust with regard to safety aspects in case of single engine climb out requires only a simple option, which produces acceptable results even if the engine is of lower instrumentation standard. On the other hand, inflight thrust for engine performance assessment and aircraft drag analysis is calculated by an ambitious computer programme using test data of engines with higher instrumentation standard. Eventually the influence of ATF testing (Altitude Test Facility testing) on the accuracy is described. (Wassmann)


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    Title :

    Performance assessment of an advanced reheated turbo fan engine


    Additional title:

    Leistungsberechnung bei einem modernen Nachbrenner-Turboluftstrahltriebwerk


    Contributors:
    Zeidler, V. (author)


    Publication date :

    1981


    Size :

    22 Seiten, 24 Bilder, 4 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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    Reheated reciprocating marine steam engine

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    Reheated reciprocating marine steam engine

    Hunter, H. | Engineering Index Backfile | 1938