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-rwxr-xr-x2504/CH11/EX11.6/11_6.sce28
1 files changed, 28 insertions, 0 deletions
diff --git a/2504/CH11/EX11.6/11_6.sce b/2504/CH11/EX11.6/11_6.sce
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+clc
+//initialisation of variables
+clear
+r= 1 //in
+b= 0.75 //in
+w= 180 //rev/sec
+B= 120 //degrees
+Bo= 150 //degrees
+ro= 3 //ft
+bo= 0.5 //ft
+Vbo= 180 //ft/sec
+w1= 62.4 //lbf/ft^3
+g= 32.2 //ft/sec^2
+//CALCULATIONS
+Q= -2*%pi*(r/12)^2*(b/12)*w*tand(B)
+Vfo= Q/(2*%pi*(ro/12)*(bo/12))
+Vwo= Vbo*(ro/12)+Vfo*cotd(Bo)
+C= w1*Q*Vwo*(ro/12)/g
+dp= w1*Vwo*w*(ro/12)/g
+ari= atand(-Q*0.8/(2*%pi*(r/12)^2*(b/12)*w))+180
+i1= ari-B
+//RESULTS
+printf ('Flow rate = %.2f ft^3/sec',Q)
+printf ('\n radial velocity= %.2f ft/sec',Vfo)
+printf ('\n outlet whirl velocity= %.2f ft/sec',Vwo)
+printf ('\n Torque= %.2f lbf ft',C)
+printf ('\n Stagnant pressure = %.f lbf/ft^2',dp)
+printf ('\n Incidence angle = %.1f degrees',i1)