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 --- 1073/CH2/EX2.49/2_49.sce | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100755 1073/CH2/EX2.49/2_49.sce (limited to '1073/CH2/EX2.49') diff --git a/1073/CH2/EX2.49/2_49.sce b/1073/CH2/EX2.49/2_49.sce new file mode 100755 index 000000000..2958a99b4 --- /dev/null +++ b/1073/CH2/EX2.49/2_49.sce @@ -0,0 +1,25 @@ + +clc; +clear; +//Example 2.49 +//Given +k=300 //W/(m.K) +h=20 //W.(sq m.K) +P=0.05 //[m] +A=2 //[sq cm] +A=A/10000 //[sq m] +T0=503 //[K] +T_inf=303 //[K] +theta_0=T0-T_inf //[K] +m=sqrt(h*P/(k*A)) +//CASE 1: 6 Fins of 100 mm length +L1=0.1 //Length of fin in [m] +Q=sqrt(h*P*k*A)*theta_0*tanh(m*L1) //[W] +//For 6 fins +Q=Q*6 //for 6 fins [W] +//CASE 2: 10 fins of 60 mm length +L2=60 //[mm] +L2=L2/1000 //[m] +Q2=sqrt(h*P*k*A)*theta_0*tanh(m*L2); //[W] +Q2=Q2*10 //For 10 fins +printf("As,Q for 10 fins of 60 mm length( %f W) is more than Q for 6 fins of 100 mm length (%f W).\n The agreement-->10 fins of 60 mm length is more effective",Q2,Q); -- cgit