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Diffstat (limited to '167/CH9/EX9.7/ex7.sce')
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1 files changed, 16 insertions, 0 deletions
diff --git a/167/CH9/EX9.7/ex7.sce b/167/CH9/EX9.7/ex7.sce new file mode 100755 index 000000000..015f04ff0 --- /dev/null +++ b/167/CH9/EX9.7/ex7.sce @@ -0,0 +1,16 @@ +//ques7
+//Actual Gas-Turbine Cycle with Regeneration
+clear
+clc
+//The T-s diagram of the cycle is shown in Fig. 9–41 in book
+h2a=605.39;//enthalpy of heat(a) at state 2 in kJ/kg
+h4a=880.36;//enthalpy of heat(a) at state 4 in kJ/kg
+e=0.80;//effectiveness
+h5=e*(h4a-h2a)+h2a;//enthalpy of heat at state 5 in kJ/kg
+h3=1395.6;//enthalpy of heat at state 3 in kJ/kg
+Qin=h3-h5;//heat input in kJ/kg
+//This represents a savings of 220.0 kJ/kg from the heat input requirements. The addition of a regenerator (assumed to be frictionless) does not affect the net work output
+w=210.41;//work dodne in kJ/kg
+nth=w/Qin;//efficiency
+printf(' Thermal efficiency = %.3f ',nth);
+
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