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/CH4/EX4.2/ex4_2.sce | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100755 914/CH4/EX4.2/ex4_2.sce (limited to '914/CH4/EX4.2/ex4_2.sce') diff --git a/914/CH4/EX4.2/ex4_2.sce b/914/CH4/EX4.2/ex4_2.sce new file mode 100755 index 000000000..05b9dd0e4 --- /dev/null +++ b/914/CH4/EX4.2/ex4_2.sce @@ -0,0 +1,15 @@ +clc; +warning('off'); +printf("\n\n example4.2 - pg100"); +// given +T1=0; //[degC] +T2=10; //[degC] +km=17.17; //[W/m*K] +l=1; //[m] +r2=1.1875; +r1=1.0335; +deltaT=T1-T2; +// using the formula Qr=-km*((2*pi*l)/ln(r2/r1))*deltaT; +Qr=-km*((2*%pi*l)/log(r2/r1))*deltaT; +printf("\n\n qr=%fW\n the plus sign indicates that the heat flow is radially out from the center",Qr); + -- cgit