1 files changed, 17 insertions, 0 deletions
diff --git a/3825/CH7/EX7.20/Ex7_20.sce b/3825/CH7/EX7.20/Ex7_20.sce
new file mode 100644
index 000000000..b230708bb
--- /dev/null
+++ b/3825/CH7/EX7.20/Ex7_20.sce
@@ -0,0 +1,17 @@
+clc
+h1=3025
+v1=0.1255
+s1=6.7696
+h2=2875.4
+v2=2.172
+s2=7.8349
+P1=20*10^5
+PO=10^5
+u1=h1-(P1*10^-3*v1)
+u2=h2-(PO*10^-3*v2)
+mprintf("u1=%fkJ/kg\n",u1)//ans vary due to roundoff error
+mprintf("u2=%fkJ/kg\n",u2)//ans vary due to roundoff error
+TO=298
+mprintf("phi1-phi2=%fkJ/kg",(u1+(PO*v1*10^-3)-(TO*s1))-(u2+(PO*v2*10^-3)-(TO*s2)))//ans in textbook is wrong
+
+