Heat Exchangers In Stirling Engines

A Invout of an advanced concept study engine for automotive propulsion internally. As a consequence the tubes can be shortened and a substantial gain in dead space achieved thereby. Furthermore the tubes or litis attain a uniform temperature, hot spots are eliminated and so the mean heater temperature which is also now the maximum temperature can be elevated to the metallurgical limit.

Use of a sodium heat pipe or eutectie liquid metal loop allows the energy source to be located remotely from the engine. This is attractive for solar heated engines, and for cogeneration applications using municipal, agricultural, and industrial wastes in incinerators (probably with fiuidized bed combustors). Indirect heating is also well suited for combination with Stirling engines in conjunction with thermal storage systems (thermal battery) such as may be used in automotive propulsion or underwater power systems.

A brief discussion of the Philip and General Motors experience with indirectly heated Stirling engines may be found in Chapters 12 and 13 respectively, with references to the source documents.

Solar Stirling Engine Basics Explained

Solar Stirling Engine Basics Explained

The solar Stirling engine is progressively becoming a viable alternative to solar panels for its higher efficiency. Stirling engines might be the best way to harvest the power provided by the sun. This is an easy-to-understand explanation of how Stirling engines work, the different types, and why they are more efficient than steam engines.

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