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NASA NTRS ยท 19790000412

Improved piston rings for a stirling engine

Abstract

Cast-iron piston rings coated with commercially-available antifriction materials improves cylinder life of high-performance Stirling engine. Ring is efficient heat conductor between piston and cylinder. Device has low thermal expansion which maintains minimum gap in ring, good radial force characteristics, and essentially indefinite life.

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BibTeXRIS

Mcdougal, A. R.. 1980-04-01. Improved piston rings for a stirling engine. https://ntrs.nasa.gov/citations/19790000412

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