Experimental Operating Range Extension of a Twin-Spool.pdfVIP

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Experimental Operating Range Extension of a Twin-Spool.pdf

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Experimental Operating Range Extension of a Twin-Spool.pdf

Experimental Operating Range Extension of a Twin-Spool Turbofan Engine by Active Stability Control Measures Modern engine operation is guided by the aim to broaden the operating range and to increase the stage loading allowing the stage count to be reduced. This is possible by active stability control measures to extend the available stable operating range. Different Stephan G. Scheidler strategies of an active control system, such as air injection and air recirculation have e-mail: stephan.scheidler@unibw-muenchende been applied. While in the past results have been published mainly regarding the stability enhancement of compressor rigs or single-spool engines, this experimental study focuses Leonhard Fottner on both the stability as well as the operating range extension of a twin-spool turbofan engine as an example of a real engine application on an aircraft. The objective of this Institut für Strahlantriebe, investigation is the analysis of the engine behavior with active stabilization compared to Universität der Bundeswehr München, unsupported operation. For this purpose, high-frequency pressure signals are used and D-85577 Neubiberg, Germany