From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 2510/CH21/EX21.3/Ex21_3.sce | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100755 2510/CH21/EX21.3/Ex21_3.sce

(limited to '2510/CH21/EX21.3/Ex21_3.sce')

diff --git a/2510/CH21/EX21.3/Ex21_3.sce b/2510/CH21/EX21.3/Ex21_3.sce
new file mode 100755
index 000000000..a340e8add
--- /dev/null
+++ b/2510/CH21/EX21.3/Ex21_3.sce
@@ -0,0 +1,16 @@
+//Variable declaration:
+//From figure 21.5:
+m = 2                           //Mass flowrate (lb)
+cP = 1                          //Heat capacity (Btu/lb. F)
+DS1 = -0.2744                   //Entropy for hot fluid for E exchanger (Btu/ F)
+T1 = 180                        //Temperature cold fluid entering the E exchabger ( F)
+T2 = 60                         //Temperature cold fluid leaving the E exchabger ( F)
+
+//Calculation:
+DS2 = m*cP*log((T1+460)/(T2+460))   //Entropy for cold fluid for E exchanger (Btu/ F)
+DS_E = DS1+DS2                  //Entropy for E exchanger (Btu/ F)
+DS_F = DS_E                     //Entropy for F exchanger (Btu/ F)
+DSt = DS_F+DS_E                 //Entropy change in exchangers E and F (Btu/ F)
+
+//Result:
+printf("The entropy change in exchangers E and F is : %.4f Btu/ F",DSt)
-- 
cgit