Solar turbines perspective on advanced fuel cell/gas turbine systems

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Solar Turbines Inc. has a vested interest in integrating gas turbines and high-temperature fuel cells(eg, solid oxide fuel cells (SOFCs)). Approach is to develop more efficient recuperated engines, which would be followed by more efficient intercooled and recuperated engines and finally by a humid air turbine cycle system. This engine system would be capable of providing efficiencies on the order of 60% with potentially low exhaust emissions. Because of possible fossil fuel shortages and severe CO{sub 2} emissions regulations, Solar adopted an alternative approach in the development of high efficiency machines; it involves combining SOFCs with recuperated gas turbines. Preliminary ... continued below

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21 p.

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White, D.J. December 31, 1996.

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Description

Solar Turbines Inc. has a vested interest in integrating gas turbines and high-temperature fuel cells(eg, solid oxide fuel cells (SOFCs)). Approach is to develop more efficient recuperated engines, which would be followed by more efficient intercooled and recuperated engines and finally by a humid air turbine cycle system. This engine system would be capable of providing efficiencies on the order of 60% with potentially low exhaust emissions. Because of possible fossil fuel shortages and severe CO{sub 2} emissions regulations, Solar adopted an alternative approach in the development of high efficiency machines; it involves combining SOFCs with recuperated gas turbines. Preliminary results show that the performance of TCPS (Tandem Cycle Unified Power System) is much better than expected, especially the efficiency. Costs are acceptable for the introductory models, and with full production, cost reductions will make the system competitive with all future energy conversion systems of the same power output. Despite the problems that must be overcome in creating a viable control system, it is believed that they are solvable. The efficiency of TCPS would be synergetic, ie, higher than either fuel cell or gas turbine alone.

Physical Description

21 p.

Notes

OSTI as DE97051838

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  • Fuel Cells `96 review meeting, Morgantown, WV (United States), 20-21 Aug 1996

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  • Other: DE97051838
  • Report No.: DOE/MC/30246--97/C0774
  • Report No.: CONF-9608152--5
  • Grant Number: AC21-93MC30246
  • Office of Scientific & Technical Information Report Number: 462925
  • Archival Resource Key: ark:/67531/metadc683473

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  • December 31, 1996

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  • July 25, 2015, 2:21 a.m.

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  • Nov. 10, 2015, 9:31 p.m.

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White, D.J. Solar turbines perspective on advanced fuel cell/gas turbine systems, article, December 31, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc683473/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.