Analogue Investigation of the Inertia-Coupled Free-Piston Engine
- 1 June 1970
- journal article
- other
- Published by SAGE Publications in Proceedings of the Institution of Mechanical Engineers
- Vol. 185 (1) , 725-732
- https://doi.org/10.1243/pime_proc_1970_185_086_02
Abstract
An engine is described in which a free piston is located inside a cylinder assembly which is also allowed freedom of movement in the axial direction. Power is taken from the unit by coupling the pistons of a hydrostatic pump directly to the cylinder assembly. The equations of motion for the device are presented in non-dimensional form, and solved with the aid of an analogue computer. Results are presented for an engine of practical dimensions and the inherent ability of the system to torque multiply is confirmed. Estimates of the overall mechanical efficiency are included.Keywords
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