
Schematic of the CFD/vortex particle coupling zone
Figures of the Article
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Schematic of the CFD/vortex particle coupling zone
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Thrust time history of the C-T rotor in the numerical simulation
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Typical instantaneous flow fields around the rotor in the deep vortex ring state(
μz=1.2 ) -
Four spanwise cross sections along the rotor blade
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Variation of lift coefficient at four blade sections under different vertical descent rates
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Schematic of the observation point locations
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Loading noise radiation under different flight states
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Loading noise characteristics under different flight conditions (peak noise location)
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Loading noise characteristics under different flight conditions (endpoint location)
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Time history of loading noise pressure at different observation points in the vortex ring state
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Spectral analysis result for the loading noise at different observation points in the vortex ring state
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Schematic of microphone installation on the helicopter
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