diff options
| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /1328/CH5/EX5.5 | |
| 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 '1328/CH5/EX5.5')
| -rw-r--r-- | 1328/CH5/EX5.5/5_5.sce | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/1328/CH5/EX5.5/5_5.sce b/1328/CH5/EX5.5/5_5.sce new file mode 100644 index 000000000..1b0dcdd0a --- /dev/null +++ b/1328/CH5/EX5.5/5_5.sce @@ -0,0 +1,33 @@ +printf("\t example 5.5 \n");
+printf("\t approximate values are mentioned in the book \n");
+printf("\t for inlet \n");
+t1=99.1; // temperature of inlet,F
+t2=129.2; // temperature of outlet,F
+c=.478; // Btu/(hr)*(ft)*(F/ft)
+mu=2.95*2.42; // lb/(ft)(hr)
+k=0.078; // Btu/(hr)*(ft)*(F/ft)
+G=854000; // mass velocity,lb/(ft^2)(hr)
+D=0.622/12; // diameter,ft
+Re=((D)*((G)/(mu)))^(0.9);
+printf("\t Re is : %.2e \n",Re);
+Pr=((c)*(mu)/k)^(1/3); // prandtl number raised to power 1/3
+printf("\t Pr is : %.2f \n",Pr);
+Nu=0.0115*(Re)*(Pr); // formula for nusselt number
+printf("\t nusselt number is : %.0f \n",Nu);
+hi=((k)*(Nu)/(D)); // heat transfer coefficient
+printf("\t heat transfer coefficient is : %.0f \n",hi); // caculation mistake in book
+printf("\t for outlet \n");
+c=.495; // Btu/(hr)*(ft)*(F/ft)
+mu=2.20*2.42; // lb/(ft)(hr)
+k=0.078; // Btu/(hr)*(ft)*(F/ft)
+G=854000; // mass velocity,lb/(ft^2)(hr)
+D=0.622/12; // diameter,ft
+Re=((D)*((G)/(mu)))^(.9); // reynolds number raised to poer 0.9, calculation mistake in book
+printf("\t Re is : %.2e \n",Re);
+Pr=((c)*(mu)/k)^(1/3); // prandtl number raised to power 1/3
+printf("\t Pr is : %.2f \n",Pr);
+Nu=0.0115*(Re)*(Pr); // formula for nusselt number
+printf("\t nusselt number is : %.0f \n",Nu);
+hi=((k)*(Nu)/(D)); // heat transfer coefficient
+printf("\t heat transfer coefficient is : %.0f \n",hi); // caculation mistake in book
+//end
|