!        q'qqq='Example 5-2: Regenerative cycle gas turbine calculation "VALUE" EQUATION!'air isentropic exponent = k "given'(k-1)/k = e,a!$I$I? '(k-1)/k)'compressor inlet temperature = T1,R "given"'compressor efficiency = etac  "given#'compressor pressure ratio = r  "given.'compressor isentropic exit temp. = T2s,R#P@'+T1r^e,a& 'compressor true exit temp.= T2,R+ . @ '+T1+(T2s-T1)/etac! 'compressor work = Wc,Btu/lb! 8  '0.24(T1-T2). 'combustor fractional pressure drop = fpl  "given! 'turbine pressure ratio = rt! PQ@  'r(1-fpl) 'turbine inlet temp = T3,R  "given&'hot gas isentropic exponent = kgާ? "given'(kg-1)/kg = e,g!j?'(kg-1)/kg,'hot gas heat capacity = cp,g, Btu/lb-Rx $(~? "given+'turbine isentropic exit temp. = T4s,R#x @  'T3/(rt)^e,g*'turbine isentropic efficiency = etat'  "given$'turbine true exit temp. = T4,R+@% @  'T3-etat(T3-T4s)'turbine work = Wt,Btu/lb$u@ 'cp,g(T3-T4)('regenerator effectiveness = etareg "given('combustor inlet temperature = Tc,R+gz= @  'T2+etareg(T4-T2)''regenerator gas exit temp. = Te,R/ M @ 'T4-0.24(Tc-T2)/cp,g*'combustor heat addition = Qa, Btu/lb$4@ 'cp,g(T3-Tc)'net work = Wn,Btu/lbPG @  'Wt+Wc'thermal efficiency 4? 'Wn/Qa'work ratio`Uw? ! 'Wt/|Wc|