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Diffstat (limited to '3871/CH13/EX13.12/Ex13_12.sce')
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1 files changed, 22 insertions, 0 deletions
diff --git a/3871/CH13/EX13.12/Ex13_12.sce b/3871/CH13/EX13.12/Ex13_12.sce new file mode 100644 index 000000000..8c5da438c --- /dev/null +++ b/3871/CH13/EX13.12/Ex13_12.sce @@ -0,0 +1,22 @@ +//=====================================================================================
+//Chapter 13 example 12
+
+clc;clear all;
+
+//variable declaration
+f = 50; //number of reversals
+m = 1; //mass
+d = 7.8*10**3; //density
+A = 4800; //area of the loop m^3
+x = 200; //in AT/m
+x1 = 10; // 1 unit in mm
+y1 = 10; // 1 unit in mm
+y = 0.1; //in T
+
+//claculations
+V = m/d; //volume of magnetic material in m^3
+l = A*(x/x1)*(y/y1);
+l1 = l*V*f; //hysteresis loss in watts per kg at 50 Hz
+
+//result
+mprintf("hysteresis loss at 50 Hz = %3.3f watts per kg ",l1);
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