diff options
| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3875/CH2/EX2.3 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3875/CH2/EX2.3')
| -rw-r--r-- | 3875/CH2/EX2.3/2_3.txt | 1 | ||||
| -rw-r--r-- | 3875/CH2/EX2.3/Ex2_3.sce | 28 |
2 files changed, 29 insertions, 0 deletions
diff --git a/3875/CH2/EX2.3/2_3.txt b/3875/CH2/EX2.3/2_3.txt new file mode 100644 index 000000000..641ba8512 --- /dev/null +++ b/3875/CH2/EX2.3/2_3.txt @@ -0,0 +1 @@ + Reverberation time = 1.62 s
\ No newline at end of file diff --git a/3875/CH2/EX2.3/Ex2_3.sce b/3875/CH2/EX2.3/Ex2_3.sce new file mode 100644 index 000000000..c05390b85 --- /dev/null +++ b/3875/CH2/EX2.3/Ex2_3.sce @@ -0,0 +1,28 @@ +clc;
+clear;
+l=20 //room length in m
+b=15 //room breadth in m
+h=8 //room height in m
+capacity=200 //number of seats in hall
+Absorption_air=0.012 // per m^3
+
+//Coefficient of Absorption (c)
+c_wall=0.09
+c_ceiling=0.04
+c_floor=0.06 //Value given in the sum is wrong which is 0.60
+c_seat=0.64
+
+
+//calcultion
+A1=2*((b*h)+(l*h))*c_wall //in m^2
+A2=(l*b)*c_ceiling //in m^2
+A3=(l*b)*c_floor //in m^2
+A4=(capacity/2)*(1-c_seat) //in m^2
+A5=(capacity/2)*(c_seat) //in m^2
+Volume=l*b*h //in m^3
+A6=Volume*Absorption_air
+T=A1+A2+A3+A4+A5+A6 //Total absorptionin m^2
+T=0.161*(Volume/(T+A6))
+
+mprintf("Reverberation time = %1.2f s",T) //The answer provided in the textbook is wrong.
+
|