diff options
Diffstat (limited to '3636/CH11/EX11.8/Ex11_8.sce')
| -rw-r--r-- | 3636/CH11/EX11.8/Ex11_8.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/3636/CH11/EX11.8/Ex11_8.sce b/3636/CH11/EX11.8/Ex11_8.sce new file mode 100644 index 000000000..001c49ef4 --- /dev/null +++ b/3636/CH11/EX11.8/Ex11_8.sce @@ -0,0 +1,18 @@ +clear;
+clc;
+Rth_sink=4 //resistance in C/W
+Rth_case=1.5 //in C/W
+T2=200 //Temperature in C
+T1=27 //Room temperature in C
+P=20 //power in W
+
+//Calculation
+Rth=(T2-T1)/P
+Tdev=T2
+Tamb=T1
+Rth_dp=Rth
+Rth_ps=Rth_case //case-sink resistance
+Rth_sa=Rth_sink //sink-ambient resistance
+PD=(Tdev-Tamb)/(Rth_dp+Rth_ps+Rth_sa)
+
+mprintf("Actual power dissipation= %2.2f W",PD) //The answers vary due to round off error
|