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diff --git a/1394/CH20/EX20.3.1/Ex20_3_1.sce b/1394/CH20/EX20.3.1/Ex20_3_1.sce
new file mode 100755
index 000000000..ff873dd7a
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+++ b/1394/CH20/EX20.3.1/Ex20_3_1.sce
@@ -0,0 +1,21 @@
+
+clc
+//initialization of variables
+Q = 18 // m^3/hr
+z = 2.80 //m
+T = 140//C
+T1 = 240 //C
+T2 = 20 //C
+p= 900 //kg/m^3
+Cp = 2 // W/kg-K
+d = 0.05//m
+//Calculations
+A = %pi*(d^2)/4
+v = Q*(1/(3600*40))/(A)
+U = (v*p*Cp*d/(4*z))*(log((T1-T2)/(T1-T)))//W/m^2-K
+DeltaT = ((T1-T2)+(T1-T))/2//C
+q = (Q*(1/(3600*40))*p*Cp/(%pi*d*z))*(T-T2)//W/m^2-K
+U1 = q/DeltaT//W/m^2-K
+//Results
+printf("The overall heat transfer co efficient based on local temp difference is %.2f W/m^2-K",U)
+printf("\nThe overall heat transfer co efficient based on average temp difference is %.2f W/m^2-K",U1)