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Explore a non-intrusive method for calculating 3D loads in yaw conditions without force balances or pressure tabs. This study provides insights into rotor aerodynamics and offers means for comparing numerical models. The research emphasizes active load control methods and a stationary frame of reference using solely surface control volumes. Results show good agreement with panel code results and consistent pressure fields, even in non-potential flow regions. The methodology involves measuring wind loads through rotating blade and yaw unsteady formulation, enhancing understanding through absolute and relative velocity fields.
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Non Intrusive 3D Load Calculation In Yaw Conditions V. del Campo*, D. Ragni**, D. Micallef**, B. Akay**, J. Diez***, C. Simão Ferreira** *UPC, Polytechnic University of Catalonia **TUDelft, Delft University of Technology ***Rutgers, The State University of New Jersey
Why? HowtomeasureLoads??? PIV Load Calculation in Yaw1/14 vanessa.del.campo@upc.edu
INDEX 1. State of the Art 2. Experimental Set Up 3. Methodology 4. Results 5. Conclusions & FutureWork PIV Load Calculation in Yaw2/14 vanessa.del.campo@upc.edu
1. State of the Art 2. Experimental Set Up 3. Methodology 4. Results 5. Conclusions & FutureWork PIV Load Calculation in Yaw3/14 vanessa.del.campo@upc.edu
State of the Art Noca (1997) PIV - Cylinder Vorticity Eq. Del Campo (2012) SPIV – HAWT Unsteady Flow Unal (1997) PIV - Cylinder Ragni (2011) SPIV - Propeller RotatingBlade + CompressibleFlow Fujisawa (2005) μPIV –MicroChannel PressurePoisonEq. PIV+ME / Loads Wu (2005) PIV – Bluff Body Control SurfaceIntegrals Van Oudheusden (2008) SPIV – SupersonicAirfoil CompressibleFlow & Shock Waves Kurtulus (2006) TRPIV - Cylinder PIV Load Calculation in Yaw4/14 vanessa.del.campo@upc.edu
1. State of the Art 2. Experimental Set Up 3. Methodology 4. Results 5. Conclusions & FutureWork PIV Load Calculation in Yaw5/14 vanessa.del.campo@upc.edu
Experimental Set Up PIV Load Calculation in Yaw6/14 vanessa.del.campo@upc.edu
1. State of the Art 2. Experimental Set Up 3. Methodology 4. Results 5. Conclusions & FutureWork PIV Load Calculation in Yaw7/14 vanessa.del.campo@upc.edu
Methodology PIV Load Calculation in Yaw8/14 vanessa.del.campo@upc.edu
1. State of the Art 2. Experimental Set Up 3. Methodology 4. Results 5. Conclusions & FutureWork PIV Load Calculation in Yaw9/14 vanessa.del.campo@upc.edu
Results Absolutevelocityfield Calculatedpressure (Poissonsolver) Relativevelocityfield PressurecalculatedwithBernoulli PIV Load Calculation in Yaw10/14 vanessa.del.campo@upc.edu
Results PIV Load Calculation in Yaw 11/14 vanessa.del.campo@upc.edu
1. State of the Art 2. Experimental Set Up 3. Methodology 4. Results 5. Conclusions & FutureWork PIV Load Calculation in Yaw12/14 vanessa.del.campo@upc.edu
Conclusions & FutureWork • Feasibility of Measuring wind Loads without the need of Force Balances or Pressure Tabs. • RotatingBlade + Yaw Unsteady Formulation • StationaryFrame of Reference + SolelySurface Control Volumes • Goodagreementwith Panel CodeResults • Consistent Pressure Field, even in Non Potential Flow regions. • Better Insight into the Rotor Aerodynamics. • Means of Comparison for Numerical Models. • Active Load Control Methods. • LIDAR PIV Load Calculation in Yaw13/14 vanessa.del.campo@upc.edu
Thanks for your attention! Vanessa.del.Campo@upc.edu