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A New Loss Generation Body Force Model for Fan/Compressor Blade Rows: Application to Uniform and Non-Uniform Inflow in Rotor 67
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Despite advances in computational power, the cost of time-accurate flows in axial compressor and fan stages with spatially non-uniform inflow is still too high for design-stage use in industry. Body force modeling reduces ...
The Effect of Blade Count on Body Force Model Performance for Axial Fans
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Body force models enable inexpensive numerical simulations of turbomachinery. The approach replaces the blades with sources of momentum/energy. Such models capture a “smeared out” version of the blades’ effect on the flow, ...
Effects of Boundary Layer Ingestion on the Aero Acoustics of Transonic Fan Rotors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The use of boundarylayeringesting, embedded propulsion systems can result in inlet flow distortions where the interaction of the boundarylayer vorticity and the inlet lip causes horseshoe vortex formation and the ingestion ...
Shock Propagation and MPT Noise From a Transonic Rotor in Nonuniform Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: One of the major challenges in highspeed fan stages used in compact, embedded propulsion systems is inlet distortion noise. A bodyforcebased approach for the prediction of multiplepuretone (MPT) noise was previously ...
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