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Diffstat (limited to '3681/CH4/EX4.6')
| -rw-r--r-- | 3681/CH4/EX4.6/Ans4_6.PNG | bin | 0 -> 8545 bytes | |||
| -rw-r--r-- | 3681/CH4/EX4.6/Ex4_6.sce | 21 |
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diff --git a/3681/CH4/EX4.6/Ans4_6.PNG b/3681/CH4/EX4.6/Ans4_6.PNG Binary files differnew file mode 100644 index 000000000..214a6b3a7 --- /dev/null +++ b/3681/CH4/EX4.6/Ans4_6.PNG diff --git a/3681/CH4/EX4.6/Ex4_6.sce b/3681/CH4/EX4.6/Ex4_6.sce new file mode 100644 index 000000000..207b066e2 --- /dev/null +++ b/3681/CH4/EX4.6/Ex4_6.sce @@ -0,0 +1,21 @@ +// Estimating the temperature of the hot spot
+clc;
+disp('Example 4.6, Page No. = 4.11')
+// Given Data
+t = 0.5;// Plate width of transformer core in meter
+Ki = 0.94;// Stacking Factor
+p_core = 3;// Core loss in Watt per kg
+thermal_conductivity = 150;// Thermal conductivity in Watt per degree celsius
+Ts = 40;// Surface temperature in degree celsius
+D = 7800;// Density of steel plate in kg per meter cube
+// Calculation of the temperature of the hot spot
+q = p_core*Ki*D;// Core loss per unit volume (Watt per meter cube)
+p = 1/thermal_conductivity;// thermal resistivity
+x =t;// Since heat is taken all to one end
+Tm = (q*p*x*x/2)+Ts;// Temperature of the hot spot, if heat is taken all to one end (degree celsius)
+disp(Tm,'(a) Temperature of the hot spot, if heat is taken all to one end (degree celsius)=');
+//in book answers is 58.3 degree celsius. The answers vary due to round off error
+x =t/2;// Since heat is taken to both the directions
+Tm = (q*p*x*x/2)+Ts;// Temperature of the hot spot, if heat is taken to both the directions (degree celsius)
+disp(Tm,'(b) Temperature of the hot spot, if heat is taken to both the directions (degree celsius)=');
+//in book answers is 44.6 degree celsius. The answers vary due to round off error
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