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Diffstat (limited to '3821/CH13/EX13.13/Example13_13.sce')
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1 files changed, 19 insertions, 0 deletions
diff --git a/3821/CH13/EX13.13/Example13_13.sce b/3821/CH13/EX13.13/Example13_13.sce new file mode 100644 index 000000000..d31871187 --- /dev/null +++ b/3821/CH13/EX13.13/Example13_13.sce @@ -0,0 +1,19 @@ +////Chapter 13 Steam Engines
+////Example 13.13 Page No 293
+///Find Brake Power
+//Input data
+clc;
+clear;
+Db=900*10^-3; //Diameter of break drum in mm
+dr=50*10^-3; //Diameter of rope in mm
+W=105*9.81; //dead weight on the tight side of the rope in Kg
+S=7*9.81; //Spring balance of the rope in N
+N=240; //Speed of the engine in rpm
+pi=3.142;
+//Calculation
+T=(W-S)*((Db+dr)/2); //Torque Nm
+Bp=2*pi*N*T/60000; //Brake Power in Kw
+
+//Output
+printf('Torque= %f Nm \n',T);
+printf('Brake Power= %f Kw \n',Bp);
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