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The paper presents thermodynamic analysis of typical fuels in a theoretical gas turbine cycle. The fuels are burned at different temperatures and different working pressures. In a gas turbine system there are processes of air (and of gaseous fuel) compression, flue gas expansion and heat regeneration. They all run perfectly in the presented theoretical experiment. It means that the pressure changing processes work at the polytropic efficiency equals to one, the process intensities of combustion (as a chemical reaction) and heat exchange are set to one (i.e. the equilibrium is assumed), either. Presented results show that there is useful to distinguish between thermodynamic and the technological values of fuels. Abstrakt Přispěvek prezentuje termodynamickou analýzu typických paliv V teoretickem oběhu spalovaci turbiny. Spalovani paliv probiha při různých teplotach a různých pracovnich tlacich. V systemu se spalovaci turbinou jsou to procesy komprese vzduchu (a plynných paliv), expanze spalin a regenerace tepla. Vsechny procesy probihaji V předloženem teoretickem experimentu perfektně. To znamena, že tlakove měnici se procesy funguji S polytropickou ucinnosti rovnajici se jedne, proces intenzity hořeni (jako chemicke reakce) a výměna tepla jsou take nastaveny na hodnotu jedna (rovnovaha se předpoklada). Prezentovane výsledky ukazuji, že je užitecne rozlisovat mezi termodynamickými a technologicke hodnotami paliv V obězich spalovacich turbin.

sborník vědeckých prací vysoké školy báňské-technické univerzity ostrava. řada strojní/transactions of the všb-technical university of ostrava, mechanical series

Thermodynamic Analysis of a Gas Turbine Cycle Fed by Different Fuels