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

---
 1928/CH4/EX4.15.5/ex_4_15_5.sce | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100755 1928/CH4/EX4.15.5/ex_4_15_5.sce

(limited to '1928/CH4/EX4.15.5')

diff --git a/1928/CH4/EX4.15.5/ex_4_15_5.sce b/1928/CH4/EX4.15.5/ex_4_15_5.sce
new file mode 100755
index 000000000..5c76f990f
--- /dev/null
+++ b/1928/CH4/EX4.15.5/ex_4_15_5.sce
@@ -0,0 +1,31 @@
+//Chapter-4,Example4_15_5,pg 4-27
+
+l=20                                    //length of room
+
+b=12                                    //bredth of room
+
+h=12                                    //height of room
+
+V=l*b*h                                 //volume of room
+
+S=2*(l*b+b*h+h*l)                       //surface area of hall
+
+T1=2.5                                  //Reverberation time
+
+a=(0.161*V)/(T1*S)                      //using Sabine's formula
+
+printf("1) average absorption coefficient =")
+
+disp(a)
+
+a1=0.5                                  //absorption coefficient
+
+T2=2                                    //Reverberation time
+
+S1=(0.161*V/(a1-a))*(1/T2-1/T1)
+
+printf("2) carpet area required =")
+
+disp(S1)
+
+printf("m^2")
-- 
cgit