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Performance Analysis of APT (Atmospheric Pressure Turbine): Molten Carbonate Fuel Cell Hybrid System

[+] Author Affiliations
Y. Tsujikawa, K. Kaneko, T. Yamauchi

Osaka Prefecture University, Sakai, Japan

S. Katsura

Kansai Research Institute, Inc., Kyoto, Japan

Paper No. GT2006-90091, pp. 589-595; 7 pages
  • ASME Turbo Expo 2006: Power for Land, Sea, and Air
  • Volume 4: Cycle Innovations; Electric Power; Industrial and Cogeneration; Manufacturing Materials and Metallurgy
  • Barcelona, Spain, May 8–11, 2006
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-4239-8
  • Copyright © 2006 by ASME


Molten Carbonate Fuel Cell (MCFC) has been extensively developed in many countries as a high efficient energy converter. Such high temperature fuel cell can be operated as a hybrid system of integrating of turbo machinery. A major decision is whether to place the cell stack in pressurized or unpressurized section. This paper discusses the exhaust energy recovery from fuel cells by use of turbo machines under unpressurized conditions, working with inverted Brayton cycle in which turbine expansion, cooling by heat exchanger and draft by compressor are made in an open cycle mode. It is denoted as “atmospheric pressure turbine (APT)”.

Copyright © 2006 by ASME



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