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Diffstat (limited to '581/CH6/EX6.6')
-rwxr-xr-x | 581/CH6/EX6.6/Example6_6.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/581/CH6/EX6.6/Example6_6.sce b/581/CH6/EX6.6/Example6_6.sce new file mode 100755 index 000000000..655a81670 --- /dev/null +++ b/581/CH6/EX6.6/Example6_6.sce @@ -0,0 +1,23 @@ +
+clear;
+clc;
+
+printf("\t Example 6.6\n");
+
+T1=288; // air temperature,K
+v=1.8; // air velocity,m/s
+l=0.6; // length of panel, m
+Q=420; // power per unit area, m^2
+T2=378; // maximum temperature of surface, K
+
+T3=Q*l/(0.0278)/(0.453*(l*v/(1.794*10^-5))^(0.50)*(0.709)^(1/3)); //maximum temperature difference
+
+Twmax=T1+T3; //Twmax comes out to be 106.5 C, this is very close to 105 C,if 105 is at all conservative, Q = 420 should be safe.
+
+T4=0.453/0.6795*T3; //average temperature difference,K
+
+Twavg=T1+T4; //average wall temperature,K
+Twa=Twavg-273;
+
+printf("\t average wall temperature is : %.0f C\n",Twa);
+//end
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