2 files changed, 45 insertions, 0 deletions
diff --git a/3685/CH19/EX19.3/Ex19_3.sce b/3685/CH19/EX19.3/Ex19_3.sce
new file mode 100644
index 000000000..284d30c8d
--- /dev/null
+++ b/3685/CH19/EX19.3/Ex19_3.sce
@@ -0,0 +1,36 @@
+clc
+P1 = 101.3e03 
+P4 = P1 // in Pa
+P2 = 8*P1  
+P3 = P2
+T1 = 288 
+Vs = 2000
+V3 = 100 
+Vc = V3
+V1 = Vs + Vc 
+n = 1.25 
+R = 287
+V4 = ((P3/P4)^(1/n))*V3
+W = ((n*P1*(V1-V4)*1e-06)/(n-1))*(((P2/P1)^((n-1)/n))-1)
+P = (W*800*0.001)/60  
+
+m = (P1*(V1-V4)*1e-06)/(R*T1)
+m_dot = m*800
+
+FAD = (V1-V4)*1e-06*800
+
+Wt = P1*(V1-V4)*1e-06*log(P2/P1)
+n_isothermal = (Wt*800*0.001)/(P*60)
+
+Pi = P/0.85
+n_v =100*(V1-V4)/Vs
+printf("\n Example 19.3\n")
+printf("\n Indicated poer is %f kW",P)
+printf("\n Volumetric efficiency is %f percent",n_v)
+printf("\n Mass flow rate is %f kg/min",m_dot)
+printf("\n Free air delivery is %f m^3/min",FAD)
+printf("\n Isothermal efficiency is %f percent",100*n_isothermal)
+printf("\n Input power is %f kW",Pi)
+
+//The answers vary due to round off error
+
diff --git a/3685/CH19/EX19.3/Ex19_3.txt b/3685/CH19/EX19.3/Ex19_3.txt
new file mode 100644
index 000000000..301360c08
--- /dev/null
+++ b/3685/CH19/EX19.3/Ex19_3.txt
@@ -0,0 +1,9 @@
+ 
+ Example 19.3
+
+ Indicated poer is 5.475656 kW
+ Volumetric efficiency is 78.609842 percent
+ Mass flow rate is 1.541459 kg/min
+ Free air delivery is 1.257757 m^3/min
+ Isothermal efficiency is 80.642806 percent
+ Input power is 6.441949 kW 
+\ No newline at end of file