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NONSTEADY THINAIRFOIL THEORY
CIRCULATIONINDUCED NONSTEADY EFFECTS
4 other sections not shown
aerodynamic quantities airfoils in nonsteady Appendix applied approximation assumed axial Bessel Functions blade rows bound vortex distribution camber cascade circulation-induced complex conjugate compressor convergence defined denotes drag coefficient energy per unit Eqso equation exponential factor flow fluid formula Fourier series fundamental harmonic Furthermore given induced velocities induction effect infinite integral Lift coefficient linear nonsteady circulation nonsteady effects nonsteady lift nonsteady thin-airfoil theory numerical calculations obtained perturbation velocity Poisson Summation Formula positive potential jump quasi-steady circulation ratio Reference relation relative motion rotor and stator rotor due rotor lift rotor row rotor wake second harmonic shown in Fig sinusoidal stator and rotor stator blade steady circulation distribution steady lift sums th stator th wake trailing edge typical upper half-plane velocity induced velocity potential velocity triangle viscous wakes shed vortex sheet vortex wakes vortices wake energy wake segments wakeo written zero-th rotor blade zero-th stator wake zero-th wake