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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/CH4/EX4.11/11.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/CH4/EX4.11/11.sci')
| -rw-r--r-- | 965/CH4/EX4.11/11.sci | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/965/CH4/EX4.11/11.sci b/965/CH4/EX4.11/11.sci new file mode 100644 index 000000000..decc11189 --- /dev/null +++ b/965/CH4/EX4.11/11.sci @@ -0,0 +1,33 @@ +clc;
+clear all;
+disp("ingot time required")
+R=50/2000;//m
+L=200/1000;//m
+k=60;// W/m.C
+c=200;// J/kg.C
+rho=800;// kg/m^3
+hw=200;//W/m^2.C
+ha=20;//W/m^2.C
+ta=30;// degree C
+ti=800;// degree C
+
+Lc=R/2;
+Bi=hw*Lc/k;
+disp(Bi,"Bi =")
+t=500;// degree C
+As=2*3.1416*R*L;//m^2
+V=3.1416*R*R*L;//m^3
+X=hw*As/(rho*V*c)
+tau1=(-1/X)*log((t-ta)/(ti-ta));
+disp(tau1,"tau1 =")
+
+t=100;// degree C
+ti=500// degree C
+X=ha*As/(rho*V*c);
+tau2=(-1/X)*log((t-ta)/(ti-ta));
+disp(tau2,"tau2 =")
+
+tau=tau1+tau2;
+disp("min",tau/60,"total time, tau =")
+
+
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