2 files changed, 27 insertions, 0 deletions
diff --git a/3685/CH20/EX20.3/Ex20_3.sce b/3685/CH20/EX20.3/Ex20_3.sce
new file mode 100644
index 000000000..332b5e981
--- /dev/null
+++ b/3685/CH20/EX20.3/Ex20_3.sce
@@ -0,0 +1,21 @@
+clc
+// Given that
+F = 680 // Net brake load in N
+N = 360 // 
+d = 10// Bore in cm
+L = 15 // Stroke in cm
+T = 58 // Torque in Nm
+v = 300 // Speed in m/min
+n_m = 0.8 // Mechanical efficiency
+n_th = 0.4 // Indicated thermal efficiency
+c_v = 44 // Calorific value of gasoline in MJ/kg
+printf("\n Example 20.3\n")
+N = v/(2*L*(10^(-2)))
+BP = (2*%pi*T*N)/60000
+IP = BP/n_m
+p_m = (IP*60)/(L*(%pi/4)*(d^2)*N*10^(-6))
+m_f = (IP*3600)/(n_th*c_v*1000)
+bsfc = m_f/BP
+printf("\n Indicated power = %f kW\n Indicate mean effective pressure = %f kN/m^2\n  Fuel consumption per kWh on brake power output = %f Kg/kWh",IP,p_m,bsfc)
+
+
diff --git a/3685/CH20/EX20.3/Ex20_3.txt b/3685/CH20/EX20.3/Ex20_3.txt
new file mode 100644
index 000000000..116ad775c
--- /dev/null
+++ b/3685/CH20/EX20.3/Ex20_3.txt
@@ -0,0 +1,6 @@
+ 
+ Example 20.3
+
+ Indicated power = 7.592182 kW
+ Indicate mean effective pressure = 386.666667 kN/m^2
+  Fuel consumption per kWh on brake power output = 0.255682 Kg/kWh
+\ No newline at end of file