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

---
 .../EX12.4/12_4_Blackbody_Angular_Radiation.sce    | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 534/CH12/EX12.4/12_4_Blackbody_Angular_Radiation.sce

(limited to '534/CH12/EX12.4/12_4_Blackbody_Angular_Radiation.sce')

diff --git a/534/CH12/EX12.4/12_4_Blackbody_Angular_Radiation.sce b/534/CH12/EX12.4/12_4_Blackbody_Angular_Radiation.sce
new file mode 100644
index 000000000..6015f17bc
--- /dev/null
+++ b/534/CH12/EX12.4/12_4_Blackbody_Angular_Radiation.sce
@@ -0,0 +1,26 @@
+clear;
+clc;
+printf('FUNDAMENTALS OF HEAT AND MASS TRANSFER \n Incropera / Dewitt / Bergman / Lavine \n EXAMPLE 12.4   Page 743 \n')// Example 12.4
+
+// Rate of emission per unit area over all directions between 0 degC and 60 degC and over all wavelengths between wavelengths 2 and 4 micro-m
+
+T = 1500			;//[K] temperature of surface
+stfncnstt = 5.67*10^-8		;//[W/m^2.K^4] Stefan-Boltzmann constant
+
+//From Equation 12.26 Black Body Radiation
+Eb = stfncnstt*T^4;        //[W/m^2]
+
+//From Table 12.1 as wl1*T = 2*1500 (micro-m.K)
+F02 = .273;
+//From Table 12.1 as wl2*T = 4*1500 (micro-m.K)
+F04 = .738;
+
+//From equation 12.10 and 12.11
+i1 = integrate('2*cos(x)*sin(x)','x',0,%pi/3);
+delE = i1*(F04-F02)*Eb;
+
+printf("\n Rate of emission per unit area over all directions between 0 degC and 60 degC and over all wavelengths between wavelengths 2 micro-m and 4 micro-m = %.1e W/m^2",delE);
+//END
+
+
+
-- 
cgit