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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 /3257/CH6/EX6.7 | |
| 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 '3257/CH6/EX6.7')
| -rwxr-xr-x | 3257/CH6/EX6.7/Ex6_7.sce | 26 | ||||
| -rwxr-xr-x | 3257/CH6/EX6.7/Ex6_7.txt | 7 |
2 files changed, 33 insertions, 0 deletions
diff --git a/3257/CH6/EX6.7/Ex6_7.sce b/3257/CH6/EX6.7/Ex6_7.sce new file mode 100755 index 000000000..e2584e30d --- /dev/null +++ b/3257/CH6/EX6.7/Ex6_7.sce @@ -0,0 +1,26 @@ +// Power required for rolling
+clc
+t1 = 6 // initial thickness in mm
+t2 = 3 // final thickness in mm
+v = 0.6 // velocity in m/s
+x = 0.35 // fractional difference between values
+K = 895 // in MPa
+n = 0.49 // from table
+
+printf("\n Example 6.7")
+
+epsilon = log(t1/t2)
+Y_bar = K*epsilon^n/(1+n)
+Af = %pi/4*(t2*1e-3)^2
+F = Y_bar*Af*epsilon
+power = F*v // power
+printf("\n Part A:")
+printf("\n Power required for operation is %d W.",power*1e6)
+p_act = (1+x)*power
+Yf = K*epsilon^n
+sigma_d = F*(1+x)/Af
+p = Yf - sigma_d
+
+printf("\n\n Part B:")
+printf("\n Die pressure at exit of die is %d MPa.",p)
+
diff --git a/3257/CH6/EX6.7/Ex6_7.txt b/3257/CH6/EX6.7/Ex6_7.txt new file mode 100755 index 000000000..056080e81 --- /dev/null +++ b/3257/CH6/EX6.7/Ex6_7.txt @@ -0,0 +1,7 @@ +
+ Example 6.7
+ Part A:
+ Power required for operation is 1475 W.
+
+ Part B:
+ Die pressure at exit of die is 278 MPa.
\ No newline at end of file |