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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 /1703/CH12 | |
| 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 '1703/CH12')
| -rwxr-xr-x | 1703/CH12/EX12.1/12_1.sce | 11 | ||||
| -rwxr-xr-x | 1703/CH12/EX12.3/12_3.sce | 23 | ||||
| -rwxr-xr-x | 1703/CH12/EX12.4/12_4.sce | 12 | ||||
| -rwxr-xr-x | 1703/CH12/EX12.5/12_5.sce | 25 | ||||
| -rwxr-xr-x | 1703/CH12/EX12.6/12_6.sce | 13 | ||||
| -rwxr-xr-x | 1703/CH12/EX12.7/12_7.sce | 13 |
6 files changed, 97 insertions, 0 deletions
diff --git a/1703/CH12/EX12.1/12_1.sce b/1703/CH12/EX12.1/12_1.sce new file mode 100755 index 000000000..aea598163 --- /dev/null +++ b/1703/CH12/EX12.1/12_1.sce @@ -0,0 +1,11 @@ +clc
+//initialisation of variables
+d= 0.0625 //in
+sg= 0.91
+vs= 1.62
+ss= 7.85
+g= 981 //cm/sec^2
+//CALCULATIONS
+v= 4*(d*2.54/2)^2*(ss-sg)*g/(3*6*30.45*vs)
+//RESULTS
+printf ('steady speed attained = %.4f ft/sec ',v)
diff --git a/1703/CH12/EX12.3/12_3.sce b/1703/CH12/EX12.3/12_3.sce new file mode 100755 index 000000000..a51b7fb3e --- /dev/null +++ b/1703/CH12/EX12.3/12_3.sce @@ -0,0 +1,23 @@ +clear
+clc
+//initialisation of variables
+vs= 16 //ft/sec
+lm= 1 //ft
+l= 16 //ft
+R= 9.6 //lb
+ds= 64 //lb/ft^3
+dm= 62.4 ///lb/ft^3
+A= 40 //ft^2
+//CALCULATIONS
+vm= vs*sqrt(lm/l)
+rs= 0.0095*vm^1.9*A
+rw= R-rs
+Rw= rw*ds*(l/lm)^3/dm
+Rs= 0.009*vs^1.85*A*l^2
+R1= Rw+Rs
+//RESULTS
+printf ('speed = %.f b ft/sec',vm)
+printf ('\n Total resistance = %.f lb ',R1)
+
+//The answer is a bit different due to rounding off error in textbook
+
diff --git a/1703/CH12/EX12.4/12_4.sce b/1703/CH12/EX12.4/12_4.sce new file mode 100755 index 000000000..2401a4cef --- /dev/null +++ b/1703/CH12/EX12.4/12_4.sce @@ -0,0 +1,12 @@ +clc
+//initialisation of variables
+H2= 0.75 //ft
+v1= 1 //ft/sec
+v2= 6 //ft/sec
+k= 1.433
+//CALCULATIONS
+H1= H2*(v1/v2)^(2/3)
+Q1= k*H1^2.47
+Q2= Q1*(H2/H1)^2.5
+//RESULTS
+printf ('Flow = %.3f cuses ',Q2 )
diff --git a/1703/CH12/EX12.5/12_5.sce b/1703/CH12/EX12.5/12_5.sce new file mode 100755 index 000000000..d4d9225c4 --- /dev/null +++ b/1703/CH12/EX12.5/12_5.sce @@ -0,0 +1,25 @@ +clear
+clc
+//initialisation of variables
+nm= 360
+d= 1.5 //in
+n= 100
+dp= 12 //in
+vm= 4.8 //ft/sec
+Tm= 52 //sec
+T= 16 //lb-ft
+t= 133 //lb ft
+//CALCULATIONS
+vp= n*dp*vm/(nm*d)
+Tp= Tm*dp^2*vp^2/(d^2*vm^2)
+N= Tm*vm*6080*100/(T*2*%pi*nm*60)
+W= Tp*vp*65000/10.67
+T1= W/(N*2*%pi*n*60)-t
+//RESULTS
+printf ('Speed of advance = %.2f knots ',vp)
+printf ('\n Thrust = %.f lb ',Tp)
+printf ('\n Efficiency = %.f per cent ',N)
+printf ('\n Torque = %.f lb ft ',T1)
+
+//The answer is a bit different due to rounding off error in textbook
+
diff --git a/1703/CH12/EX12.6/12_6.sce b/1703/CH12/EX12.6/12_6.sce new file mode 100755 index 000000000..f698bcfa9 --- /dev/null +++ b/1703/CH12/EX12.6/12_6.sce @@ -0,0 +1,13 @@ +clc
+//initialisation of variables
+w= 62.4 //lb/ft^3
+d= 4 //in
+D= 0.0765 //lb/ft^3
+Da= 8 //in
+vw= 1/13
+nw= 20
+va= 13 //ft/sec
+//CALCULATIONS
+na= nw*va*d^2/Da^2
+//RESULTS
+printf ('power = %.f r.p.m ',na)
diff --git a/1703/CH12/EX12.7/12_7.sce b/1703/CH12/EX12.7/12_7.sce new file mode 100755 index 000000000..d866baf5b --- /dev/null +++ b/1703/CH12/EX12.7/12_7.sce @@ -0,0 +1,13 @@ +clc
+//initialisation of variables
+dtp= 120 //in
+dpd= 48 //in
+vim= 1.25 //ft/sec
+vip= 5 //ft/sec
+lp = 600 //ft
+lm= 40 //ft
+//CALCULATIONS
+Rm= (dtp/dpd)^2/((lp/lm)*(vim/vip)^2)
+d= sqrt(4*Rm)
+//RESULTS
+printf ('Diameter = %.2f in ',d)
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