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Gas turbine turbocharged by a steam turbine: a gas turbine solution increasing combined power plant efficiency and power |
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| Affiliation: | 1. High Temperature Energy Materials Research Center, Korea Institute of Science and Technology, Seoul 136-791, Republic of Korea;2. Department of Materials Science and Engineering, Korea University, Seoul 136-713, Republic of Korea;1. Department of Materials Science and Engineering, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden;2. Institute for Materials Research, University of Leeds, Leeds, LS2 9JT, United Kingdom;1. Department of Mechanics, Mathematics and Management, Polytechnic University of Bari, Via Orabona 4, 70100 Bari, Italy;2. Department of Agro-anvironmental sciences, University of Bari, Via Amendola 165/A, 70125 Bari, italy |
| Abstract: | A new design of a combined-cycle gas turbine power plant CCGT with sequential combustion that increases efficiency and power output in relation to conventional CCGT plants is studied. The innovative proposal consists fundamentally in using all the power of the steam turbine to turbocharge the gas turbine. A computer program has been developed to carry out calculations and to evaluate performance over a wide range of operating conditions. The obtained results are compared with those of combined cycles where the gas turbines are not turbocharged and the gas and the steam turbines have independent power exits; the advantages of the new design are stated. |
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