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 --- 914/CH11/EX11.2/ex11_2.sce | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100755 914/CH11/EX11.2/ex11_2.sce (limited to '914/CH11/EX11.2') diff --git a/914/CH11/EX11.2/ex11_2.sce b/914/CH11/EX11.2/ex11_2.sce new file mode 100755 index 000000000..7883d0d4b --- /dev/null +++ b/914/CH11/EX11.2/ex11_2.sce @@ -0,0 +1,22 @@ +clc; +warning("off"); +printf("\n\n example11.2 - pg501"); +// given +r1=(2.067/2)/(12); //[ft] +r2=r1+0.154/12; //[ft] +r3=r2+3/12; //[ft] +L=1; //[ft] +Ka=26; //[Btu/h*ft*degF] +Kb=0.04; //[Btu/h*ft*degF] +T1=50; //[degF] +Ra=(log(r2/r1))/(2*%pi*L*Ka); +Rb=(log(r3/r2))/(2*%pi*L*Kb); +R=Ra+Rb; +deltaT=-18; //[degF] - driving force +Qr=-(deltaT/(R)); +disp(Qr); +deltaT1=(-Qr)*(Ra); +T2=T1+deltaT1; +printf("\n\n The interface temperature is \n T2 = %f degF",T2); + + -- cgit