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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /965/CH2/EX2.39/39.sci | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '965/CH2/EX2.39/39.sci')
| -rw-r--r-- | 965/CH2/EX2.39/39.sci | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/965/CH2/EX2.39/39.sci b/965/CH2/EX2.39/39.sci new file mode 100644 index 000000000..11dad8cb6 --- /dev/null +++ b/965/CH2/EX2.39/39.sci @@ -0,0 +1,24 @@ +clc;
+clear all;
+disp("Heat loss in pipe")
+ri=0.04;//m inner radius of pipe
+ro=0.05;//m outer radius of pipe
+ti=160;// degree C temperature of hot gases
+to=25;// degree C temperature of space in which the pipe is located
+k=180;// W/(m*C)
+L=1;//m
+
+Q=(ti-to)/(log(ro/ri)/(2*3.1416*k*L))
+disp("W/m",Q,"the heat loss through pipe per unit length =")
+
+r=(ri+ro)/2;//m midway between inner and outer surfaces
+r
+disp("m")
+R=(log(r/ri))/(2*3.1416*k)
+t=ti-Q*R;
+disp("degree C",t,"temperature at a point halfway inner radius of pipe =")
+
+Am=2*3.1416*L*(ro-ri)/log(ro/ri);//m^2
+disp("m^2",Am,"equivalent log-mean area =")
+
+
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