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

---
 3516/CH12/EX12.7/Ex12_7.sce | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 3516/CH12/EX12.7/Ex12_7.sce

(limited to '3516/CH12/EX12.7')

diff --git a/3516/CH12/EX12.7/Ex12_7.sce b/3516/CH12/EX12.7/Ex12_7.sce
new file mode 100644
index 000000000..01eca0da0
--- /dev/null
+++ b/3516/CH12/EX12.7/Ex12_7.sce
@@ -0,0 +1,24 @@
+printf("\t example 12.7 \n");
+printf("\t approximate values are mentioned in the book \n");
+V=7.5; // fps
+W=250000;
+CCl=0.85;
+CT=1;
+CL=1;
+Ct=263;
+UD=(CCl*CT*CL*Ct*(V^(1/2)));
+printf("\t design overall coefficient is : %.0f Btu/(hr)*(ft^2)*(F) \n",UD);
+A=(W/8);
+printf("\t area is : %.0f ft^2 \n",A);
+a1=0.229; // ft^2/ft, table 10
+at=0.475; // in^2, table 10
+t1=70;
+Ts=91.72; //F
+n=2;
+L=26;
+t2=(Ts)-((Ts-t1)/((10)^(0.000279*UD*L*n*a1/(V*at)))); 
+printf("\t t2 is : %.1f F \n",t2); // calculation mistake in book
+Go=(W*950)/((t2-t1)*500);
+printf("\t circulation rate is : %.0f gpm \n",Go);
+// end
+
-- 
cgit