Gas Turbine Cycle with External Combustion Chamber for Prosumer and Distributed Energy Systems
Dariusz Mikielewicz , Krzysztof Kosowski , Karol Tucki , Marian Piwowarski , Robert Stępień , Olga Anna Orynycz , Wojciech Włodarski
AbstractThe use of various biofuels, usually of relatively small Lower Heating Value (LHV), affects the gas turbine efficiency. The present paper shows that applying the proposed air by-pass system of the combustor at the turbine exit causes tan increase of efficiency of the turbine cycle increased by a few points. This solution appears very promising also in combined gas/steam turbine power plants. The comparison of a turbine set operating according to an open cycle with partial bypassing of external combustion chamber at the turbine exit (a new solution) and, for comparison, a turbine set operating according to an open cycle with a regenerator. The calculations were carried out for different fuels: gas from biomass gasification (LHV = 4.4 MJ/kg), biogas (LHV = 17.5 MJ/kg) and methane (LHV = 50 MJ/kg). It is demonstrated that analyzed solution enables construction of several kW power microturbines that might be used on a local scale. Such turbines, operated by prosumer’s type of organizations may change the efficiency of electricity generation on a country-wide scale evidently contributing to the sustainability of power generation, as well as the economy as a whole.
|Journal series||Energies, ISSN 1996-1073, (N/A 140 pkt)|
|Publication size in sheets||0.9|
|Keywords in English||biofuels; sustainable power generation; microturbines|
|Internal identifier||ROC 19-20|
|License||Journal (articles only); published final; ; with publication|
|Score||= 140.0, 12-02-2020, ArticleFromJournal|
|Publication indicators||: 2018 = 1.156; : 2018 = 2.707 (2) - 2018=2.99 (5)|
* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.