From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 608/CH38/EX38.03/38_03.sce | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100755 608/CH38/EX38.03/38_03.sce (limited to '608/CH38/EX38.03/38_03.sce') diff --git a/608/CH38/EX38.03/38_03.sce b/608/CH38/EX38.03/38_03.sce new file mode 100755 index 000000000..2db1c3360 --- /dev/null +++ b/608/CH38/EX38.03/38_03.sce @@ -0,0 +1,23 @@ +//Problem 38.03: A ferromagnetic ring has a uniform cross-sectional area of 2000 mm2 and a mean circumference of 1000 mm. A hysteresis loop obtained for the specimen is plotted to scales of 10 mm = 0.1 T and 10 mm = 400 A/m and is found to have an area of 104 mm2. Determine the hysteresis loss at a frequency of 80 Hz. + +//initializing the variables: +csa = 0.002; // in m2 +l = 1; // in m +a = 400/0.01; // 10 mm = 400 A/m +b = 0.1/0.01; // 10 mm = 0.1 T +A = 0.01; // in m2 +f = 80; // in Hz + +//calculation: +//hysteresis loss per cycle +HL = A*a*b +//At a frequency of 80 Hz, +//hysteresis loss +HLf = HL*f +//Volume of ring +v = csa*l +//hysteresis loss +Ph = HLf*v + +printf("\n\n Result \n\n") +printf("\n the hysteresis loss at a frequency of 80 Hz is %.0f W",Ph) \ No newline at end of file -- cgit