19-10-2010, 12:34 PM
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Free-Piston Engine
Peter Van Blarigan
Sandia National Laboratories
Goals of the Free-Piston Engine Research Prototype
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To study the effects of continuous operation (i.e. gas exchange) on indicated thermal efficiency and emissions at high compression ratios (~20-40:1)
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Concept validation of passively coupling the opposed free pistons via the linear alternators connected to a common load to maintain piston synchronization
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Proof of principle of electronic variable compression ratio control