How Do You Calculate Specific Fuel Consumption of Gas Turbine

 

  How do you calculate specific fuel consumption of gas turbine? sim mpl plee-cy cycl cle e ga gas s tur urbi bin ne us use ed for pow power ge gene nera rati tio on has a therm ermal ef effficien ciency cy of   A si

about 34 perc pe rcen ent. t. Sinc Si nce e1 kwh is theo theoretic retically ally e equiv quivalent alent to 34 341! 1! "tu "tuthe the s simpl impleecycle gas turbine has a fuel connsumption of#341! $ %.34 & about 1%%%% "tu$kwh.

'iven the heating value (i.e heat of combustion) of a fuel we can easily calculate thesimple-cycle thesimple-cy cle gas turbine fuel usage.  *or e+ample natural gas has a net heating val value ue of about ,1!%% "tu$pound. "tu$pound.hus hus the natural gas consumption in a simple-cy simple-cycle cle gas turbine would be#1%%%% $ ,1!%% & %.4 pounds$kwh & %.,1 kg$kwh.

 A  As s anot anothe herr e+ e+am ampl ple e a ty typi pica call dies esel el oil has a ne nett hea heati ting ng value alue of 13 13% %%% %%% % "tu$gallon.hus the diesel oil consumption in a simple-cycle gas turbine would be#1%%%% $ 13%%%% & %.% gallon$kwh. (he gallon used /ust above is the 0.S. gallon rather than the mperial gallon)A combined-cycle combined-cy cle gas turbine will have a higher thermal effici efficiency ency and hence lower fuel consumptions consumptions..