diff options
Diffstat (limited to '1472/CH18/EX18.1/18_1.sce')
-rwxr-xr-x | 1472/CH18/EX18.1/18_1.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/1472/CH18/EX18.1/18_1.sce b/1472/CH18/EX18.1/18_1.sce new file mode 100755 index 000000000..5fb150bbe --- /dev/null +++ b/1472/CH18/EX18.1/18_1.sce @@ -0,0 +1,25 @@ +clc
+//initialization of varaibles
+drop=50 //B/lb
+cv=0.95
+Vb=700 //fps
+alpha=20 //degrees
+beta=30 //degrees
+Cb=0.95
+//calculations
+V1=cv*sqrt(2*32.2*778*drop)
+y1=V1*cosd(alpha)
+z1=V1*sind(alpha)
+y1R=y1-Vb
+V1R=sqrt(y1R^2 + z1^2)
+V2R=Cb*V1R
+y2R=-V2R*cosd(beta)
+z2=V2R*sind(beta)
+Wx=(y1R-y2R)*Vb/32.2
+Fa=(z1-z2)/32.2
+Vc=1582.77
+etanb=Wx/(Vc^2 /(2*32.2))
+//results
+printf("Work per pound of fluid = %d ft lbf/lbm",Wx)
+printf("\n Axial thrust = %.1f lbf/lbm/sec",Fa)
+printf("\n Nozzle bucket efficiency = %.2f",etanb)
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