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Diffstat (limited to '3681/CH4/EX4.37/Ex4_37.sce')
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1 files changed, 19 insertions, 0 deletions
diff --git a/3681/CH4/EX4.37/Ex4_37.sce b/3681/CH4/EX4.37/Ex4_37.sce new file mode 100644 index 000000000..c55a21428 --- /dev/null +++ b/3681/CH4/EX4.37/Ex4_37.sce @@ -0,0 +1,19 @@ +// Calculating the mean temperature rise
+clc;
+disp('Example 4.37, Page No. = 4.73')
+// Given Data
+th = 20;// Heating time (in minuts)
+Th = 120;// Heating time constant (in minuts)
+tc = 15;// Cooling time (in minuts)
+Tc = 180;// Cooling time constant (in minuts)
+Tm = 50;// Final temperature rise on the continuous full load (in degree celsius)
+Loss_fl = 500;// Copper loss at full load (in Watt)
+Loss_nl = 300;// Copper loss at no load (in Watt)
+// Calculation of the mean temperature rise
+Total_Loss_fl = Loss_fl+Loss_nl;// Total loss at full load (in Watt)
+Total_Loss_nl = Loss_nl;// Total loss at no load (in Watt)
+Tn = Total_Loss_nl/Total_Loss_fl*Tm;// Final temperature rise when running on no load (in degree celsius)
+T = ((Tm*th/Th)+(Tn*tc/Tc))/(th/Th+tc/Tc);// Mean temperature rise (in degree celsius)
+disp(T,'Mean temperature rise (degree celsius)=');
+//in book answer is 39.58 degree celsius. The answers vary due to round off error
+
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