Wake decay: Effect of freestream swirl

Journal of Propulsion and Power

Volumn 14, Issue 2, 1998, Pages 215-224

  Brookfield, J M ^a   Waitz, I A ^b,c   Sell, J ^a  

^a MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

^b USA   (United States)

^c AIAA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CASCADES (FLUID MECHANICS); FLOW MEASUREMENT; FLUID STRUCTURE INTERACTION; MATHEMATICAL MODELS; NAVIER STOKES EQUATIONS; REYNOLDS NUMBER; ROTATING MACHINERY; ROTORS; WAKES;

FREESTREAM SWIRL; WAKE DECAY;

TURBOMACHINE BLADES;

EID: 0032025967     PISSN: 07484658     EISSN: 15333876     Source Type: Journal    
DOI: 10.2514/2.5270     Document Type: Article

References (19)

1. Epstein, A. H., Gertz, J. B., Owen, P. R., and Giles, M. B., "Vortex Shedding in High-Speed Compressor Blade Wakes," Journal of Propulsion and Power, Vol. 4, No. 3, 1988, pp. 236-244.
2. Ng, W. G., and Epstein, A. H., "Unsteady Losses in Transonic Compressors," Journal of Engineering for Power, Vol. 107, April 1985, pp. 345-353.
3. Lakshminarayana, B., Govindan, T. R., and Reynolds, B., "Effects of Rotation and Blade Incidence on the Properties of the Turbomachinery Rotor Wake," AIAA Paper 81-0054, Jan. 1981.
4. Prato, J., and Lakshminarayana, B., "Investigation of Compressor Rotor Wake Structure at Peak Pressure Rise Coefficient and Effects of Loading," Journal of Turbomachinery, Vol. 115, July 1993, pp. 487-500.
5. Suryavamshi, N., and Lakshminarayana, B., "Numerical Prediction of Wakes in Cascades and Compressor Rotors Including the Effects of Mixing, Part II," American Society of Mechanical Engineers, Paper 91-GT-222, June 1991.
6. Hanson, D. B., "Coupled Two-Dimensional Cascade Theory for Noise and Unsteady Aerodynamics of Blade Row Interaction in Turbofans," NACA CR-4506, Jan. 1994.
7. Philbrick, D. A., and Topol, D. A., "Development of a Fan Noise Design System. Part I: System Design and Source Modeling," AIAA Paper 93-4415, Oct. 1993.
8. Kerrebrock, J. L., Aircraft Engines and Gas Turbines, 2nd ed., MIT Press, Cambridge, MA, 1992.
9. Papamoschou, D., and Roshko, A., "The Compressible Turbulent Shear Layer: An Experimental Study," Journal of Fluid Mechanics, Vol. 197, Dec. 1988, pp. 453-477.
10. Waitz, I. A., Elliot, J. K., Fung, A. K. S., Kenvin, J. M., Krasnodebski, J. K., O'Sullivan, M. N., Qui, Y. J., Tew, D. E., Greitzer, E. M., Marble, F. E., Tan, C. S., and Tillman, T. G., "Streamwise-Vorticity-Enhanced Mixing," Progress in Aerospace Sciences, Vol. 33, No. 5, 6, 1997, pp. 323-352.
11. Hill, P. G., Schaub, U. W., and Senoo, Y., "Turbulent Wakes in Pressure Gradients," Journal of Applied Mechanics, Dec. 1963, pp. 518-524.
12. Cumpsty, N. A., Compressor Aerodynamics, Wiley, New York, 1989.
13. Waitz, I. A., Brookfield, J. M., Sell, J., and Hayden, B. J., "Preliminary Assessment of Wake Management Strategies for Reduction of Turbomachinery Fan Noise," Journal of Propulsion and Power, Vol. 12, No. 5, 1996, pp. 958-966.
14. Sell, J., "Cascade Testing to Assess the Effectiveness of Mass Addition/Removal Wake Management Strategies for Reduction of Rotor-Stator Interaction Noise," M.S. Thesis, Dept. of Aeronautics and Astronautics, Massachusetts Inst. of Technology, Cambridge, MA, 1997.
15. Kerrebrock, J. L., "The MIT Blowdown Compressor Facility," MIT Gas Turbine Lab Rept. 108, Cambridge, MA, 1972.
16. Reijnen, D., "An Experimental Study of Boundary Layer Suction in a Transonic Compressor," Ph.D. Dissertation, Dept. of Aeronautics and Astronautics, Massachusetts Inst. of Technology, Cambridge, MA, 1997.
17. Dawes, W. N., "The Practical Application of Solution-Adaption to the Numerical Simulation of Complex Turbomachinery Problems," Progress in Aerospace Sciences, Vol. 29, No. 3, 1992, pp. 221-269.
18. Schlichting, H., Boundary Layer Theory, McGraw-Hill, New York, 1979.
19. Miranda, J. A., and Devenport, W. J., "Two-Point Measurements in Trailing Vortices," AIAA Paper 96-0804, Jan. 1996.