base 11 presentation 2
TRANSCRIPT
Investigation of the Limitation of XFLR5 for Aerodynamic Predictions at Low Reynolds Numbers
PHILIP CHAN, FRANCISCO GOMEZ, AND HUGO VILLAFANA
Micro Air Vehicles (MAV)
Wind Tunnel Characterization
30 m/s Over-plot
5 m/s Over-plot
Force Balance Calibration and Alignment
XFLR5
Lift vs. α (100k Re #)
Selig Lift Over-plot (100k Re #)
Uncertainty Comparison & Separation Bubble Effect (40k, 180k Re #)
CP vs x & CL vs α (180k Re #)
Wake Experiential Correction (180k Re #)
Drag vs. α (100k Re #)
Selig Drag Over-plot (100k Re #)
Uncertainty Comparison (40k, 180k Re #)
Conclusion•Lift and drag trend •LSB from inflection angle•Stall angle
Does XFLR5 work?