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The ORC power unit driven by the exhaust gas heat of a gas turbine power set and the system power output as influenced by the ORC characteristic parameters

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Języki publikacji
EN
Abstrakty
EN
The authors presented problems related to utilization of the waste heat, carried by the exhaust gases of the gas turbine power set, with a goal to achieve an additional electricity generation. A relevant solution is then discussed, in which the gas turbine power set is thermally coupled with an ORC power unit that uses organic fluids as its working medium. The solution offers an increase in the electricity generation efficiency and in the electric power output. The rate of the waste heat utilization, converts directly into the degree of the increase in the generation efficiency and power output, and depends on the ORC characteristic parameters. Effects on the thermally coupled power system performance of several ORC parameters and of possible ORC cycle solutions were then analysed. Variations in the organic vapour pressure and temperature at the ORC turbine inlet, in the steam condensation temperature, and for four different organic fluids (benzene, cyclohexane, decane and toluene) were examined. With account to the varying parameters calculations of the simulated combined power systems were performed. As result, diagrams to illustrate the influence of individual ORC parameters and of the type of organic fluid on the combined power system performance (efficiency, power output) were elaborated.
Słowa kluczowe
Rocznik
Strony
171--178
Opis fizyczny
Bibliogr. 7 poz., rys.
Twórcy
  • West Pomeranian University of Technology, Faculty of Mechanical Engineering and Mechatronics, Department of Heat Engineering, Al. Piastów 19, 70-310 Szczecin, slawomirwisniewski@zut.edu.pl
Bibliografia
  • [1] CHMIELNIAK T.: Energy technologies, Wydawnictwo WNT, Warszawa 2008.
  • [2] WĘDZKI A.: Combined systems of the production of electricity, Part I. Technical issues, Energetyka,Numer 5 (623) / Rocznik 59, Maj 2006, pp. 323-329
  • [3] WIŚNIEWSKI S., BORSUKIEWICZ-GOADUR A.: Ocena efektywności pracy zespołu turbiny gazowej sprzężonej z nadkrytyczną siłownią ORC, XII Forum of Power Engineers, Elektryka z. 64, nr 336/2010, pp. 131-132
  • [4] BORSUKIEWICZ-GOZDUR A., NOWAK W.: Comparative analysis of natural and synthetic refrigerants in application to low temperature Clausius-Rankine Cycle, Energy 32 (2007), pp. 344-352
  • [5] Industrial Gas Turbines - Siemens
  • [6] NIST. Refprop 7.0, Standard Reference Database 23, Reference Fluid Thermodynamic and Transport Properties. National Institute of Standards and Technology, Gaithersburg, MD, USA, 2002.
  • [7] GOGÓŁ W.: Heat transfer, boards and graphs, WPW, Warszawa 1979
  • [8] BORSUKIEWICZ-GOZDUR, A.. Efektywność pracy elektrowni geotermalnej z organicznym czynnikiem roboczym. Praca doktorska, Politechnika Szczecińska, Szczecin 2008.
  • [9] SZARGUT J.: Thermodynamics, Wydawnictwo Naukowe PWN, Warszawa 1998
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPW8-0019-0086
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