New IT info?

[Mike Soukup]

Supposidely taken from DEKA Research's site which was mistakengly up for <1 hour tonight:

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Core Technologies

DEKA develops technologies ranging from engines to fluid management. The products that we develop with our partners are revolutionary. Our development efforts focus upon the creation of technologies which will have a variety of applications. A single invention may become the core technology of numerous, often diverse, products.

The Stirling Cycle Engine
The Stirling Cycle Engine was devised in the early 1800’s as a safe and efficient alternative to Steam Power. In its original incarnations, it was a large, air charged, low pressure, low power machine, made of cast iron, brass, bricks, and wood. One section of the engine was kept hot, another section cold. The air contained within the closed cycle engine was cyclically heated, expanded, cooled, and compressed as the machine would operate. Mechanical power was extracted from a rotating output shaft. The Stirling Engine’s usage was primarily industrial throughout the 1800’s, before its obsolescence at the turn of the century with the advent of the internal combustion engine.

The Stirling Engine possesses an inherently high potential for thermodynamic efficiency, but has been historically plagued with real world, practical problems. The limitations of materials, heat transfer efficiency, and engine design were and remain, so far, fundamental constraints on the engine’s performance capabilities. In light of the technical advances over the past 150 years, however, almost all aspects of the engine can now be improved and modernized, taking the engine from a low power, cast-iron, 19th century giant, to a high performance, high output, efficient machine of the 21st century. New materials in the high-temperature sections of the engine and high performance bearings and seals enable the production of compact, efficient, high-speed machines. In addition, the use of Computer Aided Design Systems, the ability to acquire and contain light, high performance gasses such as hydrogen and helium within an engine at high-pressure, and the use of microprocessors to control engine operation all contribute to these potential improvements. Today, the value of a small, clean, quiet, efficient, power source is greater than ever, particularly in view of the engine’s inherent flexibility in fuel source.
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Is it real? We'll find out on Monday.

Mike