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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1026/CH5 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '1026/CH5')
| -rwxr-xr-x | 1026/CH5/EX5.1/Example5_1.sce | 15 | ||||
| -rwxr-xr-x | 1026/CH5/EX5.2/Example5_2.sce | 29 | ||||
| -rwxr-xr-x | 1026/CH5/EX5.3/Example5_3.sce | 33 |
3 files changed, 77 insertions, 0 deletions
diff --git a/1026/CH5/EX5.1/Example5_1.sce b/1026/CH5/EX5.1/Example5_1.sce new file mode 100755 index 000000000..2eeb72cd0 --- /dev/null +++ b/1026/CH5/EX5.1/Example5_1.sce @@ -0,0 +1,15 @@ +//chapter5,Example5_1,pg 97
+
+T1=1.5
+
+T2=1
+
+A=20
+
+V=10*8*6
+
+a=((0.161*V)/(2*A))*((1/T2)-(1/T1))
+
+printf("absorption coefficient\n")
+
+printf("a=%.3f Sabines",a)
\ No newline at end of file diff --git a/1026/CH5/EX5.2/Example5_2.sce b/1026/CH5/EX5.2/Example5_2.sce new file mode 100755 index 000000000..be7b20a5a --- /dev/null +++ b/1026/CH5/EX5.2/Example5_2.sce @@ -0,0 +1,29 @@ +//chapter5,Example5_2,pg 97
+
+V=3000
+
+T1=3.5//reverberation time
+
+A=(0.161*V)/T1
+
+l=20
+
+b=15
+
+h=10
+
+S=2*((l*b)+(b*h)+(h*l))
+
+sum_a=A/S
+
+am=0.5
+
+a=0.106
+
+T2=2.5//reverberation time after cloth use
+
+S1=(((0.161*V)/(am-a))*((1/T2)-(1/T1)))
+
+printf("area of wall covered by curtain cloth\n")
+
+printf("S1=%.3f sq.m",S1)
\ No newline at end of file diff --git a/1026/CH5/EX5.3/Example5_3.sce b/1026/CH5/EX5.3/Example5_3.sce new file mode 100755 index 000000000..5b7435d22 --- /dev/null +++ b/1026/CH5/EX5.3/Example5_3.sce @@ -0,0 +1,33 @@ +//chapter5,Example5_3,pg 98
+
+V=1450
+
+A1=112*0.03//absorption due to plastered wall
+
+A2=130*0.06//absorption due to wooden floor
+
+A3=170*0.04//absorption due to plastd. celing
+
+A4=20*0.06//absorption due to wooden door
+
+A5=100*1//absorption due to cushioned chairs
+
+sum_as=A1+A2+A3+A4+A5
+
+T1=(0.161*V)/sum_as//reverberation time case-1
+
+T2=(0.161*V)/(sum_as+(60*4.7))//persons=60,A=4.7 case-2
+
+T3=(0.161*V)/(sum_as+(100*4.7))//seat cushioned=100 rev. case-3
+
+printf("rev. time for case-1\n")
+
+printf("T1=%.3f sec",T1)
+
+printf("\nrev. time for case-2\n")
+
+printf("T2=%.3f sec",T2)
+
+printf("\nrev. time for case-3\n")
+
+printf("T3=%.3f sec",T3)
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