Fluidyne

Fluidyne

A Fluidyne Engine is a beta or gamma type Stirling Engine with one or more liquid pistons. It contains a working gas, and either two liquid pistons or one liquid piston and a displacer. In the classic configuration, the work produced via the water pistons is integrated with a water pump. The simple pump is external to the engine, and consists of two check valves, one on the intake and one on the outlet. In the engine, the loop of oscillating liquid can be thought of as acting as a displacer piston. The liquid in the single tube extending to the pump acts as the power piston. Traditionally the pump is open to the atmosphere, and the hydraulic head is small, so that the absolute engine pressure is close to atmospheric pressure. [ [http://www.ornl.gov/~webworks/cppr/y2001/rpt/27113.pdf Oak Ridge (US) National Labs] ]

See also

* [http://www.ornl.gov/~webworks/cppr/y2001/rpt/27113.pdf Technical paper: "Stirling Engines and Irrigation Pumping" - C. D. West]
* [http://www.iedu.com/DeSoto/Projects/Stirling/ DeSoto Solar Solar-Powered Fluidyne (Fluid Piston Stirling Cycle Engine)] Citat: "...It still offers the advantage of having only fluids (air and water) as moving parts - there's absolutely nothing that can wear out!..."

References


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