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Improving Free-Piston Stirling Engine Specific PowerThis work uses analytical methods to demonstrate the potential benefits of optimizing piston and/or displacer motion in a Stirling engine. Isothermal analysis was used to show the potential benefits of ideal motion in ideal Stirling engines. Nodal analysis is used to show that ideal piston and displacer waveforms are not optimal in real Stirling engines. Constrained optimization was used to identify piston and displacer waveforms that increase Stirling engine specific power.
Document ID
20150011872
Acquisition Source
Glenn Research Center
Document Type
Technical Memorandum (TM)
Authors
Briggs, Maxwell H. (NASA Glenn Research Center Cleveland, OH, United States)
Date Acquired
June 30, 2015
Publication Date
June 1, 2015
Subject Category
Spacecraft Propulsion And Power
Mechanical Engineering
Report/Patent Number
E-19017
GRC-E-DAA-TN17262
NASA/TM-2015-218459
Meeting Information
Meeting: AIAA/ASME/SAE/ASEE Joint Propulsion Conference
Location: Cleveland, OH
Country: United States
Start Date: July 28, 2014
End Date: July 30, 2014
Sponsors: American Inst. of Aeronautics and Astronautics, American Society for Engineering Education, American Society of Mechanical Engineers
Funding Number(s)
WBS: WBS 887359.01.04
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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