initial commit / add all books

1 files changed, 20 insertions, 0 deletions

diff --git a/2510/CH16/EX16.8/Ex16_8.sce b/2510/CH16/EX16.8/Ex16_8.sce
new file mode 100755
index 000000000..db26f8ad3
--- /dev/null
+++ b/2510/CH16/EX16.8/Ex16_8.sce
@@ -0,0 +1,20 @@
+//Variable declaration:
+t2 = 75.0                       //Temperature of water leaving the shell ( C)
+t1 = 35.0                       //Temperature of water enteringing the shell ( C)
+T2 = 75.0                       //Temperature of oil leaving the tube ( C)
+T1 = 110.0                      //Temperature of oil entering the tube ( C)
+m = 1.133                       //Mass flowrate of water (kg/s)
+cp = 4180.0                     //Heat capacity of water (J/kg.K)
+F = 0.965                       //Correction factor
+U = 350.0                       //Overall heat transfer coefficient (W/m^2.K)
+
+//Calculation:
+Q = m*cp*(t2-t1)                //Heat load (W)
+DT1 = T1-t2                     //Temperature driving force 1 ( C)
+DT2 = T2-t1                     //Temperature driving force 2 ( C)
+DTlm1 = (DT1-DT2)/log(DT1/DT2)+273.0  //Countercurrent log-mean temperature difference (K)
+DTlm2 = F*DTlm1                 //Corrected log-mean temperature difference (K)
+A = Q/(U*DTlm2)                 //Required heat transfer area (m^2)
+
+//Result:
+printf("The required heat-transfer area is : %.3f m^2.",A)