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diff --git a/1472/CH18/EX18.2/18_2.sce b/1472/CH18/EX18.2/18_2.sce
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+++ b/1472/CH18/EX18.2/18_2.sce
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+clc
+//initialization of varaibles
+ha=1187.2 //B/lb
+sa=1.6026 //B/lb R
+h3s=895 //B/lb
+h1s=1090 //B/lb
+p1=28 //psia
+h2s=993 //B/lb
+p2=6.2 //psia
+n=0.65
+//calculations
+disp("From  Table 3,")
+h1=ha-n*(ha-h1s)
+s1=1.65 //B/lb R
+h2dash=1024 //B/lb
+h2=h1-n*(h1-h2dash)
+s2=1.706 //B/lb R
+h3dash=953 //B/lb
+h3=h2-n*(h2-h3dash)
+etaT=(ha-h3)/(ha-h3s)
+reheat=etaT/n
+//results
+printf("Internal efficiency = %.3f",etaT)
+printf("\n Reheat factor = %.2f",reheat)