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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 /3875/CH10/EX10.7 | |
| 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 '3875/CH10/EX10.7')
| -rw-r--r-- | 3875/CH10/EX10.7/10_7.txt | 1 | ||||
| -rw-r--r-- | 3875/CH10/EX10.7/Ex10_7.sce | 14 |
2 files changed, 15 insertions, 0 deletions
diff --git a/3875/CH10/EX10.7/10_7.txt b/3875/CH10/EX10.7/10_7.txt new file mode 100644 index 000000000..7ad1f9b2b --- /dev/null +++ b/3875/CH10/EX10.7/10_7.txt @@ -0,0 +1 @@ + The time required to cool from 1000 to 300K is = 1.27e+05 sec or 127*10^3 sec
\ No newline at end of file diff --git a/3875/CH10/EX10.7/Ex10_7.sce b/3875/CH10/EX10.7/Ex10_7.sce new file mode 100644 index 000000000..d8bb99a98 --- /dev/null +++ b/3875/CH10/EX10.7/Ex10_7.sce @@ -0,0 +1,14 @@ +clc;
+clear;
+r=5*10^-2 //outer radius of copper sphere in m
+T1=10^3//temperature in K
+T2=300 //temperature in K
+c=4*10^3 //specific heat in J/kg
+rho=9*10^3 //density of copper in kg/m^3
+sigma=5.67*10^-8 // Stefan-Boltzmann Constant in J/m^2sK^4
+
+//calculation
+t=((rho*r*c)/(9*sigma))*((1/T2^3)-(1/T1^3))
+
+mprintf("The time required to cool from 1000 to 300K is = %.2e sec or 127*10^3 sec\n",t)
+
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