NASA NTRS · 19870030764
A Stirling engine analysis method based upon moving gas nodes
Abstract
A Lagrangian nodal analysis method for Stirling engines (SEs) is described, validated, and applied to a conventional SE and an isothermalized SE (with fins in the hot and cold spaces). The analysis employs a constant-mass gas node (which moves with respect to the solid nodes during each time step) instead of the fixed gas nodes of Eulerian analysis. The isothermalized SE is found to have efficiency only slightly greater than that of a conventional SE.
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Martini, W. R.. 1986-01-01. A Stirling engine analysis method based upon moving gas nodes. https://ntrs.nasa.gov/citations/19870030764
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