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TECHNICAL PAPERS: Gas Turbines: Cycle Innovations

One-Disk Nutating-Engine Performance for Unmanned Aerial Vehicles

[+] Author and Article Information
T. Korakianitis

James Watt Professor of Mechanical Engineering, University of Glasgow, Glasgow G12 8QQ, UK

L. Meyer, M. Boruta

Kinetic R&D, Inc., South Elgin, IL 60177

H. E. McCormick

C-K Engineering, Inc., Ballwin, MO 63011

J. Eng. Gas Turbines Power 126(3), 475-481 (Aug 11, 2004) (7 pages) doi:10.1115/1.1496770 History: Received December 01, 2000; Revised March 01, 2001; Online August 11, 2004
Copyright © 2002 by ASME
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References

Meyer, L., 1993, “Nutating Internal Combustion Engine,” U.S. Patent No. 5,251,594.
Korakianitis, T., Meyer, L., Boruta, M., and McCormick, H. E., 1999, “Introduction and Performance Prediction of a Nutating-Disk Engine,” ASME, Journal of Engineering for Gas Turbines and Power, accepted for publication.
Korakianitis, T., Meyer, L., Boruta, M., and McCormick, H. E., 2001 “Alternative Multi-Nutating-Disk Engine Configurations for Diverse Applications,” under review.
Patten, J., 1882, “Rotary Engine,” U.S. Patent No. 263,573.
Roseland, T. C., 1905, “Rotary Engine,” U.S. Patent No. 790,264.
Wicha, A., 1935, “Gas and Vapor Compressor,” U.S. Patent No. 1,986,454.
Cohen, W. A. 1937, Rotary Engine, U.S. Patent No. 2,069,646.
Nasvytis, A. L., 1961, “Nutating Disk Motor,” U.S. Patent No. 2,992,635.
Day, D. B., and Koerner, W. J., 1963, Nutating Disk Internal Combustion Engine, U.S. Patent No. 3,102,517.
Kreimeyer, H., 1970, “Rotary Nutating Power Device,” U.S. Patent No. 3,492,974.
Van Meegen, H. A. B., 1974, “An Improved Motor, Pump or the Like,” Australian Patent No. 67,511.
Wahl, R. H., 1975, “Rotary Nutating Engine,” U.S. Patent No. 3,895,610.
Wahl, R. H., 1976, “Nutating Engine,” U.S. Patent No. 3,981,639.
Parker, 1982, “Swashplate Machines,” U.S. Patent No. 3,942,384.
Ziegler, M., 1982, “Die Erfindung betrifft einen Rotation-skolbenverbrennungsmotor insbesondere fur den Automobilbau,” German Patent No. 3,942,384.
Kim, J. D., 1992, “Rotary Wavy Motion Type Engine,” U.S. Patent No. 5,138,993.
Clarke,  J. M., Walker,  D. F., and Hamilton,  P. H., 1972, “A New Class of Rotary Piston Machine Suitable, for Compressors, pumps and Internal Combustion Engines,” Proceedings of Inst. Mech. Eng. , 186, 62/72.
Korakianitis,  T., and Wilson,  D. G., 1994, “Models for Predicting the Performance of Brayton Cycle Engines,” ASME J. Eng. Gas Turbines Power, 116, pp. 381–388.
Shepherd, D. G., 1972, Aerospace Propulsion, Elsevier, New York.
Wilson, D. G., and Korakianitis, T., 1998, The Design of High-Efficiency Turbomachinery and Gas Turbines, 2nd Ed., Prentice-Hall, Englewood Cliffs, NJ.

Figures

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Ignition delay to vaporize injected fuel in large two-stroke diesels extends into the power stroke in small engines
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Comparison of competing engines
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Arrangements of four seal types
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Nutating-engine intake, compression, power, and exhaust processes
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The intake and expansion volume ratios, r12 and r71 can be designed equal or not equal
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Computed ηth and thrust
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Illustration of p-V and T-s diagrams of thermodynamic models of the nutating engine (not to scale)
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(a) ηth; (b) power [kW]; (c) propeller thrust [kp] of a d=101.6 mm (4-in.) disk nutating engine; and (d) comparable sea level performance of a 4-in. diameter-impeller gas turbine
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Computed ηth, power and thrust for an engine with rc=15 and the other inputs of line 2 in Fig. 7 (expansion volume=compression volume), at several operating altitudes and Mach numbers.
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Computed ηth, power and thrust for an engine with rc=15 and the other inputs of line 12 in Fig. 7 (expansion volume>compression volume), at several operating altitudes and Mach numbers

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