Assessment of Propulsor On Design and Off Design Impacts on BLI Effects

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Assessment_of_Propulsor_On_Design_and_Off_Design_Impacts_on_BLI_Effects.pdf (2.46 MB)
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Ahuja, Jai
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Daniel Guggenheim School of Aerospace Engineering
The Daniel Guggenheim School of Aeronautics was established in 1931, with a name change in 1962 to the School of Aerospace Engineering
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http://hdl.handle.net/1853/63990
Abstract
As part of an effort to develop a parametric and coupled aero-propulsive conceptual design methodology for boundary layer ingesting (BLI) aircraft, there is a need to investigate propulsor sizing and off-design impacts on the ingested boundary layer. This study uses 3D CFD analysis to quantify the BLI effects trends as a function of fan annulus area and mass flow rate required, for engine locations similar to those on the the D8, NOVA-BLI and the STARC-ABL concepts. This study extends previous work that relied on CFD analysis of an axisymmetric model for the STARC-ABL concept. The results from this study highlight the propulsor’s contribution to the aero-propulsive coupling inherent in BLI concepts.
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2021-01
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