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Diffstat (limited to '3526/CH5/EX5.8')
| -rw-r--r-- | 3526/CH5/EX5.8/EX5_8.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/3526/CH5/EX5.8/EX5_8.sce b/3526/CH5/EX5.8/EX5_8.sce new file mode 100644 index 000000000..c744c2dcf --- /dev/null +++ b/3526/CH5/EX5.8/EX5_8.sce @@ -0,0 +1,15 @@ +clc;funcprot(0);//EXAMPLE 5.8
+// Initialisation of Variables
+H=10;.......//Required time to successfully carburize a batch of 500 steel gears
+t1=1173;......//Temperature at carburizing a batch of 500 steel gears in K
+t2=1273;.......//Temperature at carburizing a batch of 500 steel gears in K
+Q=32900;.........//The activation energy for diffusion of BCC steel
+R=1.987;.........//Gas constant in cal/mol.K
+c1=1000;......//cost per hour to operate the carburizing furnace at 900degree centigrades
+c2=1500;......//Cost per hour to operate the carburizing furnace at 1000 degree centigrade
+H2=(exp(-Q /(R*t1))*H*3600)/exp(-Q /(R*t2));.......// Time requried to successfully carburize a batch of 500 steel gears at 1000 degree centigrade
+Cp1=c1*H/500;.......//The cost per Part of steel rods at 900 degree centigrade
+Cv=(c2*3.299)/500;.......//The cost per Part of steel rods at 1000 degree centigrade
+disp(H2/3600,"Time requried to successfully carburize a batch of 500 steel gears at 1000 degree centigrade:")
+disp(Cp1,"The cost of carburizing per Part of steel rods at 900 degree centigrade")
+disp(Cv,"The cost of carburizing per Part of steel rods at 1000 degree centigrade")
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