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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Quiet High Speed Fan (Qhsf) Flutter Calculations Using the Turbo Code

Quiet High Speed Fan (Qhsf) Flutter Calculations Using the Turbo Code

Bakhle, Milind a.
Nasa Technical Reports Server (Ntrs)
Et Al

Paperback

General Political Science

Publisher Price: $14.75

ISBN10: 1287224814
ISBN13: 9781287224815
Publisher: Bibliogov
Published: Jul 22 2013
Pages: 26
Weight: 0.15
Height: 0.05 Width: 7.44 Depth: 9.69
Language: English
A scale model of the NASA/Honeywell Engines Quiet High Speed Fan (QHSF) encountered flutter wind tunnel testing. This report documents aeroelastic calculations done for the QHSF scale model using the blade vibration capability of the TURBO code. Calculations at design speed were used to quantify the effect of numerical parameters on the aerodynamic damping predictions. This numerical study allowed the selection of appropriate values of these parameters, and also allowed an assessment of the variability in the calculated aerodynamic damping. Calculations were also done at 90 percent of design speed. The predicted trends in aerodynamic damping corresponded to those observed during testing.

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