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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /3308/CH13/EX13.1/Ex13_1.sce | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '3308/CH13/EX13.1/Ex13_1.sce')
| -rwxr-xr-x | 3308/CH13/EX13.1/Ex13_1.sce | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/3308/CH13/EX13.1/Ex13_1.sce b/3308/CH13/EX13.1/Ex13_1.sce new file mode 100755 index 000000000..e4b2905c9 --- /dev/null +++ b/3308/CH13/EX13.1/Ex13_1.sce @@ -0,0 +1,33 @@ +clc
+// Given that
+w=9 //in inch width of thee strip
+ho=1 //in inch initial thickness of the strip
+hf=0.80 //in inch thickness of the strip after one pass
+r=12 //in inch roll radius
+N=100 //in rpm
+
+// Sample Problem on page no. 323
+
+printf("\n #Calculation of roll force and torque# \n")
+
+L=(r*(ho-hf))^(1/2)
+
+E=log(1/hf)//absolute value of true strain
+
+Y=26000 //in psi average stress from the data in the book
+F=L*w*Y // roll force
+F1=F*4.448/(10^6)//in mega newton
+printf("\n\nRoll force = %f MN ",F1)
+
+//answer in the book is round off and given 363000lb
+
+P=(2*3.14*F*L*N)/(33000*12)
+P1=P*7.457*(10^2)/(10^3)//in KW
+printf("\n\npower per roll = %f KW ",P1)
+
+//answer in the book is 670 KW due to round off of the roll force
+
+Tp=2*P1//total power
+printf("\n\nTotal power = %f KW ",Tp)
+
+//answer in the book is 1340KW due to round off of the roll force
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