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Diffstat (limited to '3685/CH20/EX20.1/Ex20_1.sce')
| -rw-r--r-- | 3685/CH20/EX20.1/Ex20_1.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/3685/CH20/EX20.1/Ex20_1.sce b/3685/CH20/EX20.1/Ex20_1.sce new file mode 100644 index 000000000..43b9a16ec --- /dev/null +++ b/3685/CH20/EX20.1/Ex20_1.sce @@ -0,0 +1,20 @@ +clc
+// Given that
+d = 6.5// Diametre in cm
+L = 9.5 // Stroke in cm
+T = 64 // Torque in Nm
+N = 3000 // Speed in rpm
+V_c = 63 // Clearance volume in cm^3
+r = 0.5 // Brake efficiency ratio
+c_v = 42 // Calorific value of gasoline in MJ/kg
+printf("\n Example 20.1\n")
+V_s = (%pi/4)*(d^2)*(L)
+r_k = (V_s+V_c)/V_c
+n_as = 1- (1/(r_k^(0.4)))
+n_b = r*n_as
+BP = (2*%pi*T*N)/60000
+m_f = (BP*3600)/(n_b*c_v*1000)// in kg/h
+BMEP = BP*60*2/((%pi/4)*4*(d^2)*L*N*10^(-6))
+printf("\n Fuel consumption of the engine = %f Kg/h\n BMEP=%f kN/m^2",m_f,BMEP)
+//The answers vary due to round off error
+
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