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Diffstat (limited to '617/CH9/EX9.9/Example9_9.sci')
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1 files changed, 19 insertions, 0 deletions
diff --git a/617/CH9/EX9.9/Example9_9.sci b/617/CH9/EX9.9/Example9_9.sci new file mode 100755 index 000000000..8e3f36ba8 --- /dev/null +++ b/617/CH9/EX9.9/Example9_9.sci @@ -0,0 +1,19 @@ +clc();
+clear;
+
+// To determine the value of product of overall heat transfer and the total area
+
+To1=140; // inlet temperature of oil in degF
+To2=90; // Outlet temperature of oil in degf
+Cpo=0.5; // Specific heat capacity in Btu/lb-degf
+Tw1=60; // Inlet tempearture of water in degF
+Tw2=80; // Outlet temperature of water in degF
+mo=2000; // Mass flow rate of oil in lb/hr
+q=mo*Cpo*(To1-To2); // Heat transferred in Btu/hr
+Cpw=1; // Heat capacity of water in Btu/hr
+mw=q/(Cpw*(Tw2-Tw1)); // Mass flow rate in lb/hr
+E1=(Tw1-Tw2)/(Tw1-To2); // Effective ratio
+
+// Seeing the effective ratio and mass flow rate ratio, from the graph we get UA
+UA=1.15*mo*Cpo;
+printf("The product of overall heat transfer and total area is %d Btu/hr-degF",UA);
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