Forced Response Testing of an Axi-Centrifugal Turboshaft Engine PDF Download
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Author: A. Karl Owen Publisher: ISBN: Category : Languages : en Pages : 22
Book Description
Dynamic data from tests of a T55-L-712 engine are presented. Engine stall/surge data were analyzed using digital signal processing techniques. In addition, forced response testing (system identification studies) was done at various engine speeds. Forced response testing was done using eight jet ejectors approximately equally circumferentially spaced about the compressor front face. This paper presents some preliminary results for the ground idle (approximately 60% of design speed) point. Brief descriptions of the jet injection system, the test matrix, and analysis techniques used are presented. Results of these analyses indicate a substantial transfer of energy across the compressor first stage at some frequencies and that the ejectors are effective in modifying the local flow conditions in front of the first compressor stage.
Author: A. Karl Owen Publisher: ISBN: Category : Languages : en Pages : 22
Book Description
Dynamic data from tests of a T55-L-712 engine are presented. Engine stall/surge data were analyzed using digital signal processing techniques. In addition, forced response testing (system identification studies) was done at various engine speeds. Forced response testing was done using eight jet ejectors approximately equally circumferentially spaced about the compressor front face. This paper presents some preliminary results for the ground idle (approximately 60% of design speed) point. Brief descriptions of the jet injection system, the test matrix, and analysis techniques used are presented. Results of these analyses indicate a substantial transfer of energy across the compressor first stage at some frequencies and that the ejectors are effective in modifying the local flow conditions in front of the first compressor stage.
Author: American Institute of Aeronautics and Astronautics. Technical Information Service Publisher: ISBN: Category : AIAA paper Languages : en Pages : 184
Author: A. Karl Owen
Author: A. Karl Owen
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Author: A. Karl Owen
Author: American Institute of Aeronautics and Astronautics. Technical Information Service
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