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authorprashantsinalkar2017-10-10 12:27:19 +0530
committerprashantsinalkar2017-10-10 12:27:19 +0530
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+clc
+hfg = 2202.6 // Latent heat of fusion in kJ/kg
+Qh = 5.83 // Heat addition in MJ/s
+ws = Qh/hfg // steam flow rate
+eg = 0.9 // efficiency of generator
+P = 1000 // Power generation rate in kW
+Wnet = 1000/eg // Net output
+nbrake = 0.8 // brake thermal efficiency
+h1_2s = Wnet/(ws*nbrake) // Ideal heat addition
+n_internal = 0.85 // internal efficiency
+h12 = n_internal*h1_2s // Actual heat addition
+hg = 2706.3 // Enthalpy of gas in kJ/kg
+h2 = hg //Isenthalpic process
+h1 = h12+h2 // Total enthalpy
+h2s = h1-h1_2s // Enthalpy change
+hf = 503.71 // Enthalpy of fluid in kJ/kg
+x2s = (h2s-hf)/hfg // Quality of steam
+sf = 1.5276 // entropy of fluid in kJ/kgK
+sfg = 5.6020 // Entropy change due to vaporization in kJ/kgK
+s2s = sf+(x2s*sfg) // Entropy at state 2s
+s1 = s2s // Isentropic process
+P1 = 22.5 // Turbine inlet pressure in bar from Mollier chart
+t1 = 360 // Temperature of the steam in degree Celsius from Mollier chart
+
+printf("\n Example 12.9\n")
+printf("\n Temperature of the steam is %d degree celcius",t1)
+printf("\n Pressure of the steam is %f bar",P1)
+//The answers vary due to round off error
+