Aerodynamic performance of the adaptive nacelle inlet
2015 (English)In: 33rd AIAA Applied Aerodynamics Conference, 2015Conference paper (Other academic)
The numerical aerodynamic investigations of an adaptive turbofan-engine inlet is per-formed. The adaptation is made on the front inner part of the inlet by changing positionsof two contour knots, which mimic the possible inlet structure morphing. The numericalcalculations are performed using Reynolds Averaged Navier-Stokes (RANS) simulations forthe climb condition. The evaluation of the aerodynamic performance is based on the inlettotal pressure recovery, DC60 parameter and standard deviation of the normal velocity atthe fan plane. The results exhibit common trend which is a shift of the evaluated parame-ters towards benecial level by increasing the radial position of the rst knot at the inletshape region which is close to the leading edge. Alteration of second knot, which is moredistant from leading edge, results in benecial performance for several inlet shapes. For allparameters, the same group of inlet shapes was isolated as a group of best performance.
Place, publisher, year, edition, pages
Fluid Mechanics and Acoustics
IdentifiersURN: urn:nbn:se:kth:diva-175824DOI: 10.2514/6.2015-3163OAI: oai:DiVA.org:kth-175824DiVA: diva2:862573
33rd AIAA Applied Aerodynamics Conference, Dallas, Texas, USA
QC 201510232015-10-222015-10-222015-10-23Bibliographically approved