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ericsson cycle

PostPosted: Sun Dec 27, 2009 11:47 am
by suz97266
Ok, I believe I see the major difference between an Ericsson cycle
and the Stirling cycle The later is a closed system and the prior is
open.
Wikapedia, "The piston-type Ericsson engine can potentially be the
highest efficiency heat engine arrangement ever constructed.
Admittedly this has yet to be proven in practical application" What
are the problems to be solved? Also from
Wikapedia;" The Ericsson cycle is most similar to a double action
type Stirling, displacer acts as power piston".What is this engine
called? All I can find is the free piston ,but this isnt what they
are making the comparison to.

ericsson cycle

PostPosted: Tue Dec 29, 2009 9:31 am
by stan.hornbaker
The best explanation of the Ericsson cycle engine is in a book by Robert Sier, "Hot Air, Caloric and Stirling Engines" Vol. I, A History.
Published in 1987. It is hard if not impossible to find a copy.

There is an account of the Side Wheeler Ship "Ericsson" circa 1851 and a schematic of the Ericsson patent of 1851.

ericsson cycle

PostPosted: Wed Dec 30, 2009 3:18 pm
by stan.hornbaker
Gary: Scans of three pages will help you understand the operation of the Ericsson cycle. These are pdf documents and as such can't be uploaded to the files section. Please comment if you wan't them by email.