From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 965/CH7/EX7.26/26.sci | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 965/CH7/EX7.26/26.sci (limited to '965/CH7/EX7.26/26.sci') diff --git a/965/CH7/EX7.26/26.sci b/965/CH7/EX7.26/26.sci new file mode 100644 index 000000000..529d73c82 --- /dev/null +++ b/965/CH7/EX7.26/26.sci @@ -0,0 +1,22 @@ +clc; +clear all; +disp("required tube length") +ti=60;// degree C +d=1/100;//m diameter of tube +ta=40;//degree C +t=45;//degree C +rho=865;//kg/m^3 +k=0.14;// W/m.K +cp=1780;//J/kg.C +U=3;//m/s +Nu=3.657 +Af=%pi*d^2/4;// m^2 flow area +m=rho*Af*U; +Q=m*cp*(ti-t); +h=Nu*k/d;// W/m^2.K +t1=ti-ta; +t2=t-ta; +tm=(t1-t2)/log(t1/t2);// degree C +//A=%pi*d*L +L=Q/(h*%pi*d*tm); +disp("m",L,"Required tube length is L =") -- cgit