The “Axi-Fuge”—A Novel Compressor FREE

[+] Author Affiliations
Jesse O. Wiggins

Caterpillar Tractor Co., San Diego, CA

Paper No. 86-GT-224, pp. V002T03A004; 4 pages
  • ASME 1986 International Gas Turbine Conference and Exhibit
  • Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery
  • Dusseldorf, West Germany, June 8–12, 1986
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7929-0
  • Copyright © 1986 by ASME


Modifying a simple-cycle gas turbine to include heat exchangers can improve its thermal efficiency significantly (as much as 20%). Advanced regenerative and intercooled regenerative gas turbines for marine application have recently been the subjects of numerous studies, most of which have shown that lower fuel comsumption can be achieved by adding heat exchangers to existing simple-cycle gas turbines. Additional improvements in thermal efficiency are available by increasing the efficiency of the turbomachinery itself, particularly that of the gas turbine’s air compressor. Studies by Caterpillar Tractor Company and Solar Turbines Incorporated on a recuperated, variable-geometry gas turbine indicate an additional 8 to 10% improvement in thermal efficiency is possible when an improved higher efficiency compressor is included in the gas turbine modification. During these studies a novel (Axi-Fuge) compressor was devised. This paper discusses the Axi-Fuge concept, its origin, design criteria and approach, and some test results.

Copyright © 1986 by ASME
Topics: Compressors
This article is only available in the PDF format.



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