Measurements of velocities in the near field of a lobed forced mixer trailing edge

Aeronautical Journal

Volumn 101, Issue 1003, 1997, Pages 121-129

  Yu, S C M ^a   Yip, T H ^a  

^a NANYANG TECHNOLOGICAL UNIVERSITY   (Singapore)

Author keywords

[No Author keywords available]

Indexed keywords

AERODYNAMICS; ANEMOMETERS; BOUNDARY LAYERS; FLOW MEASUREMENT; LASER DOPPLER VELOCIMETERS; MIXING; STREAM FLOW; TURBULENT FLOW; VELOCITY MEASUREMENT; VORTEX FLOW;

LOBED FORCE; TURBULENT KINETIC ENERGY;

WINGS;

EID: 0031099998     PISSN: 00019240     EISSN: None     Source Type: Trade Journal    
DOI: None     Document Type: Article

References (28)

1. BELL J.H. and MEHTA, R.D. Measurements of the streamwise vortical structures in a plane mixing layer, J Fluid Mech, 1992, 239, pp 213-248.
2. BELL J.H. and MEHTA, R.D. Effects of imposed spanwise perturbations on plane mixing-layer structure, J Fluid Mech, 1993, 257, pp 33-63.
3. PRESZ, W.M., BLINN, R.F. and MORIN, B. Short efficient ejector systems, AIAA Paper 87-1837, January 1987.
4. PRESZ, W.M., GOUSY, R. and MORIN, B. Forced mixer lobes in ejector design, AIAA J of Prop Power, July 1988, 4, (4), p 350.
5. KOUTMOS, P. and MCGUIRK, J.J. Isothermal velocity and turbulence measurements downstream of a model multilobed turbofan mixer, Exp in Fluids, 1989, 9, pp 183-191.
6. MALECKI, R., MITYAS, S. and LORD, W. Navier-Stokes analysis of an ejector and mixer ejector operating at pressure ratio in the range 2-4, AIAA Paper 90-2730, July 1990.
7. PRESZ, W.M., REYNOLDS, G. and MCCORMICK, D. Thrust augmentation using mixer-ejector-diffuser systems, AIAA Paper 94-0020, January 1994.
8. KOZLOWSKI, H. and KRAFT, G. Experimental evaluation of exhaust mixers for an energy efficient engine, AIAA Paper 80-0188, June 1980.
9. PATERSON, R.W. Turbofan forced-mixer nozzle internal flowfield Vol 1: A benchmark experimental study, NASA CR-3492, 1982.
10. PATERSON, R.W. Turbofan mixer nozzle flowfield - a benchmark experimental study, ASME J Eng for Gas Turb Power, July 1984, 106, pp 692-698.
11. BARBER, T., PATERSON, R.W. and SKEBE, S.A. Turbofan forced mixer lobe flow modeling Vol 1: Experimental and analytical assessment, NASA CR-4147, 1988.
12. O'SULLIVAN, M.N., KRANSNODEBSKI, I.A., WAITZ, I.A., GREITZER, E.M. and TAN, C.S. Computational study of viscous effects on lobed mixer flow features and performance, AIAA J Prop Power, May 1996, 12, (3), pp 449-456.
13. WERLE, M.J., PATERSON, R.W. and PRESZ, W.M. Flow structure in a periodic axial vortex array, AIAA Paper 87-0610, January 1987.
14. MANNING, T.A. Experimental Studies of Mixing Flows with Streamwise Vorticity, MS thesis, MIT, September 1991.
15. ECKERLE, W.A., SHEIBANI, H. and AWAD, J. Experimental measurement of the vortex development downstream of a lobed forced mixer, ASME J Eng for Gas Turb Power, January 1992, 114, pp 63-71.
16. TSUI, Y.Y. and WU, P.W. Investigation of the mixing flow structure in multilobe mixers, AIAA J, July 1996, 34, (7), pp 1386-1391.
17. MCCORMICK, D.C. and BENNETT, J.C. Vortical and turbulent structure of a lobed forced mixer free-shear layer, AIAA J, 1994, 32, (9), pp 1852-1859.
18. YU, S.C.M., YEO, J.H. and TEH, J.K.L. Velocity measurements downstream of lobed forced mixers with different convoluted trailing edge configurations, AIAA J Prop Power, January 1995, 13, (1), pp 87-97.
19. UKEILEY, L., GLAUSER, M. and WICK, D. Downstream evolution of proper orthogonal decomposition eigenfunctions in a lobed mixer, AIAA J, 1993, 31, (8), pp 1392-1397.
20. UKEILEY, L., VARGHESE, M., GLAUSER, M. and VALENTINE, D. Multifracial analysis of a lobed mixer flowfield utilizing the proper orthogonal decompostion, AIAA J, 1992, 30, (5), pp 1260-1267.
21. DURST, F., MELLING, A. and WHITELAW, J.H. Principles and Practice of Laser-Doppler Anemometry, Academic Press, London, 1981.
22. YANTA, W.J. and SMITH, R.A. Measurements of turbulence transport properties with a laser-Doppler velocimeter, AIAA Paper 73-169, 1973.
23. BELL J.H., PLESNIAK, M.W. and MEHTA, R.D. Spanwise averaging of plane mixing layer properties, AIAA J, 1993, 30, (3), pp 835-837.
24. YU, S.C.M., XU, X.G. and YIP, T.H. Effects of initial boundary layer thicknesses to the lobed forced mixer trailing streamwise vorticity, AIAA J Prop Power, March 1996, 14, (2), pp 440-442.
25. WEYGANDT, J.H. and MEHTA, R.D. Effects of streamwise vorticity injection on a plane turbulent wake, AIAA J, 1995, 33, (1), pp 86-93.
26. BRADSHAW, P., CEBECI, T. and WHITELAW, J.H. Engineering Calculation Methods for Turbulent Flow, Academic Press, London, 1981, p 28.
27. TEW, D.E., WAITZ, I.A., HERMANSON, J.C., GREITZER, E.M. and TAN, C.S. Streamwise vorticity enhanced compressible mixing downstream mixing downstream of lobed mixers, AIAA Paper 95-2746, July 1995.
28. YU, S.C.M., YIP, T.H. and LIU, C.Y. The mixing characteristics of forced mixers with scalloped lobes, to appear in AIAA J Prop Power, March 1997, 15, (2).