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TECHNICAL PAPERS

Analysis of a Turbulent Propeller Inflow

[+] Author and Article Information
Stephen A. Huyer, Stephen R. Snarski

Naval Undersea Warfare Center, Hydrodynamics Branch, Code 8233, Building 1302, Newport, RI 02874

J. Fluids Eng 125(3), 533-542 (Jun 09, 2003) (10 pages) doi:10.1115/1.1570860 History: Received July 08, 2002; Revised December 16, 2002; Online June 09, 2003
Copyright © 2003 by ASME
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References

Satyanarayana,  B., 1977, “Unsteady Wake Measurements of Airfoils and Cascades,” AIAA J., 15(5), pp. 613–618.
Sears,  W. R., 1941, “Some Aspects of Non-stationary Airfoil Theory and Its Practical Application,” J. Aeronaut. Sci., 8(3), pp. 104–108.
Inoue,  M., and Kuroumaru,  M., 1984, “Three-Dimensional Structure and Decay of Vortices Behind an Axial Flow Rotating Blade Row,” ASME J. Eng. Gas Turbines Power, 106, pp. 561–568.
Lynch, D. A., III, 2001, “An Experimental Investigation of the Unsteady Response of a Stator Located Downstream of a Propeller Ingesting Broadband Turbulence,” Ph.D. thesis, Department of Aerospace and Mechanical Engineering, University of Notre Dame.
Scharpf,  D. F., Mueller,  T. J., 1995, “An Experimental Investigation of the Sources of Propeller Noise due to the Ingestion of Turbulence at Low Speeds,” Exp. Fluids, 18, pp. 277–287.
Wojno,  J. P., Mueller,  T. J., and Blake,  W. K., 2002, “Turbulence Ingestion Noise, Part I: Experimental Characterization of Grid-Generated Turbulence,” AIAA J., 40(1), pp. 16–26.
Subramanian,  S., and Mueller,  T. J., 1995, “An Experimental Study of Propeller Noise due to Cyclic Flow Distortion,” J. Sound Vib., 183(5), pp. 907–923.
Jessup, S. D., 1990, “Measurement of Multiple Blade Rate Unsteady Propeller Forces,” David Taylor Research Center Report DTRC-90/015.
Chiu,  W.-S., Lauchle,  G. C., and Thompson,  D. E., 1989, “Subsonic Axial Flow Fan Noise and Unsteady Rotor Force,” J. Acoust. Soc. Am., 85(2), pp. 641–647.
Aravamudan,  K. S., and Harris,  W. L., 1979, “Low-Frequency Broadband Noise Generated by a Model Rotor,” J. Acoust. Soc. Am., 6(2), pp. 522–533.
Chandrashekhara,  N., 1971, “Sound Radiation From Inflow Turbulence in Axial flow Fans,” J. Sound Vib., 19(2), pp. 133–146.
Manoha, E., 1998, “Broadband Noise From a Propeller in Turbulent Flow,” Proceedings of the ASME Noise Control and Acoustics Division, ASME, New York, NCA-Vol. 25, pp. 137–148.
Kerwin,  J. E., and Lee,  C. S., 1978, “Prediction of Steady and Unsteady Marine Propeller Performance by Numerical Lifting Surface Theory,” Trans Soc Nav. Arch. Marine Eng., 86, pp. 218–253.
Kerwin,  J. E., 1986, “Marine Propellers,” Annu. Rev. Fluid Mech., 18, pp. 367–403.
Mautner, T. S., Nelson, D. M., and Gillcrist, M. C., 1988, “Investigation of the SISUP (Swirl Inducing Stator Upstream of Propeller) Concept for Marine Propulsion,” Naval Ocean Systems Center, Proceedings: Propellers ’88.
Gedney, C. J., Abbot, P. A., and Corriveau, P. J., 1998, “Inferring Blade Rate Forces From Wind Tunnel Sound Power Measurements,” ASME Winter Annual Meeting, Symposium on Flow Noise Modeling, Measurement and Control.
Uhlman, J. S., 1995, “An Examination of the Frequencies of the Unsteady Harmonic Forces Generated by Propulsors,” NUWC-NPT Technical Report 10,470, Naval Undersea Warfare Center.
Muench, J. D., 2001, “Periodic Acoustic Radiation From a Low Aspect Ratio Propeller,” Ph.D. thesis, Department of Mechanical Engineering and Applied Mechanics, University of Rhode Island.
Hinze, J. O., 1975, Turbulence, 2nd Ed. McGraw-Hill, New York.
Pope, S. B., 2000, Turbulent Flows, Cambridge University Press, New York.

Figures

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Solid model of SISUP stator and propeller blade and actual experimental configuration with Hama boundary layer trips. The local and global coordinate system is displayed. From Muench 18.
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UUV afterbody and wind tunnel configuration. From Muench 18.
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SISUP geometrical configuration displaying the stator trailing edge, rotor leading edge and measurement locations (symbols mark the specific locations)
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Axial velocity component of the mean inflow scaled by the freestream velocity (a) and magnitude of the rms turbulence scaled by the freestream velocity (b). Inflow plane begins 1 cm upstream of propulsor root leading edge. U=29.3 m/sec. View is looking upstream.
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Total inflow r-θ plane velocity vectors with background colored by the turbulent magnitude. Scale is the same as in Fig. 4.
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Circumferential survey of the mean axial inflow velocity
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Circumferential survey of the mean circumferential velocity component
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Circumferential survey of the turbulent intensity
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Axial velocity profiles along the wake edge (+ and −), wake center, and between the stator wakes. Flat-plate turbulent boundary layer profile is provided as a reference.
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Radial velocity profiles along the wake edge (+ and −), wake center, and between the stator wakes
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Circumferential velocity profiles along the wake edge (+ and −), wake center, and between the stator wakes. Potential flow calculations for the stator only are provided as a reference.
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rms turbulence profiles between the stator wakes for ux,ur, and uθ. Experimental flat-plate data by Klebanoff (Hinze 19) are provided as a reference.
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Power spectra of the unsteady axial velocities taken at the wake edge, wake center and between stators for r/Rprop=0.39 and 0.98

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