The Solution to the Gas Turbine Temperature Problem

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Abstract of "The Solution to the Gas Turbine Temperature Problem" by Ronald W. Satz in Energy Conversion and Management, Vol. 20, pp. 49-63. All previous Brayton cycle engines have utilized a separate compressor and expander and thus have been limited in temperature on the expander side. To overcome this limitation, the author has designed a new, rotary positive displacement Brayton type engine in which each mechanism both compresses and expands the working fluid. Since each mechanism goes from cold to hot and back to cold, the material will remain at approximately the mean temperature of the compressed and expanded gas. Thus much higher temperatures can be used--with much less expensive materials. The mechanism is also unique in that the rotor is offset from the center of the stator so that the expansion volume is greater than the compression volume. Computer simulation indicates that the overall efficiency of the engine will be 57%, weight will be 4.4482 N/bhp (1 lb/bhp), and emissions of HC and CO lower than any proposed standard. The engine promises twice the fuel economy, half the maintenance, and three-fourths the first cost of the conventional Otto cycle engine. U.S. patent 4,009,573, granted to Ronald W. Satz. For all the details, see Satz's Theory and Design of the New Rational Combustion Engine, which is 459 pages long and has 800 equations, 30 tables, 17 figures, and 28 engineering drawings. Copyrighted 1978.


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  • Name:
    Ronald Satz
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    test driving new vehicles
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    to design the most efficient equipment
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    all software in Basic
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