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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Korakianitis, T., Meyer, L., Boruta, M., and McCormick, H. E., 2001 “Alternative Multi-Nutating-Disk Engine Configurations for Diverse Applications,” under review.
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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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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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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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(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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Illustration of p-V and T-s diagrams of thermodynamic models of the nutating engine (not to scale)
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Computed ηth and thrust
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The intake and expansion volume ratios, r12 and r71 can be designed equal or not equal
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Nutating-engine intake, compression, power, and exhaust processes
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Arrangements of four seal types
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Comparison of competing engines




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