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authorpriyanka2015-06-24 15:03:17 +0530
committerpriyanka2015-06-24 15:03:17 +0530
commitb1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch)
treeab291cffc65280e58ac82470ba63fbcca7805165 /1457/CH17
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initial commit / add all books
Diffstat (limited to '1457/CH17')
-rwxr-xr-x1457/CH17/EX17.1.b/17_1b.sce11
-rwxr-xr-x1457/CH17/EX17.1/17_1.sce9
-rwxr-xr-x1457/CH17/EX17.2/17_2.sce18
-rwxr-xr-x1457/CH17/EX17.3/17_3.sce13
-rwxr-xr-x1457/CH17/EX17.4/17_4.sce23
5 files changed, 74 insertions, 0 deletions
diff --git a/1457/CH17/EX17.1.b/17_1b.sce b/1457/CH17/EX17.1.b/17_1b.sce
new file mode 100755
index 000000000..d64999376
--- /dev/null
+++ b/1457/CH17/EX17.1.b/17_1b.sce
@@ -0,0 +1,11 @@
+clc
+//Initialization of variables
+ne=600
+gpm=1600
+Ns=500
+Head=900 //ft
+//calculations
+h=(ne*sqrt(gpm) /Ns)^(4/3)
+n=Head/h
+//results
+printf("No. of stages = %d",n+1)
diff --git a/1457/CH17/EX17.1/17_1.sce b/1457/CH17/EX17.1/17_1.sce
new file mode 100755
index 000000000..08c5030a5
--- /dev/null
+++ b/1457/CH17/EX17.1/17_1.sce
@@ -0,0 +1,9 @@
+clc
+//Initialization of variables
+Ns=500
+h=900 //ft
+Q=1600 //gpm
+//calculations
+ne=Ns*h^(3/4) /sqrt(Q)
+//results
+printf("Minimum rotative speed = %d rpm",ne)
diff --git a/1457/CH17/EX17.2/17_2.sce b/1457/CH17/EX17.2/17_2.sce
new file mode 100755
index 000000000..1b15d3f6e
--- /dev/null
+++ b/1457/CH17/EX17.2/17_2.sce
@@ -0,0 +1,18 @@
+clc
+//Initialization of variables
+ne=600
+gpm=2000
+h=150
+num=2
+//calculations
+ns=ne*sqrt(gpm) /h^(3/4)
+gpm2=num*gpm
+h2=num^2 *h
+Ns=2*ne*sqrt(gpm2) /h2^(3/4)
+Ne2=Ns*(h/2)^(3/4) /sqrt(gpm)
+//results
+printf("Specific speed in case1 = %d ",ns)
+printf("\nFlow rate in case 2 = %d gpm",gpm2)
+printf("\n Head in case 2 = %d ft",h2)
+printf("\n Specific speed in case 2 = %d ",Ns)
+printf("\n required operating speed in case 2 = %d rpm",Ne2)
diff --git a/1457/CH17/EX17.3/17_3.sce b/1457/CH17/EX17.3/17_3.sce
new file mode 100755
index 000000000..1ef491e6f
--- /dev/null
+++ b/1457/CH17/EX17.3/17_3.sce
@@ -0,0 +1,13 @@
+clc
+//Initialization of variables
+ne=600/2
+gpm=1450
+h=140
+NPSH=10.4
+//calculations
+Ns=gpm*sqrt(ne) /h^(3/4)
+sigmac=NPSH/h
+zsmax=-3 //ft
+//results
+printf("Sigma C for the pump = %.4f",sigmac)
+printf("\n Position of pump = %d ft",zsmax)
diff --git a/1457/CH17/EX17.4/17_4.sce b/1457/CH17/EX17.4/17_4.sce
new file mode 100755
index 000000000..ae992cc6f
--- /dev/null
+++ b/1457/CH17/EX17.4/17_4.sce
@@ -0,0 +1,23 @@
+clc
+//Initialization of variables
+ne=600
+gpm=84500
+h=225
+f=0.95
+phie=1.1
+g=32.2
+//calculations
+Ns=ne*sqrt(gpm) /h^(3/4)
+u2=phie*sqrt(2*g*h)
+D=153.2*phie*sqrt(h) /ne
+D0=1.06*D*12 //in
+B=0.155*D0*12 //in
+De=0.6*D0
+u0=1.06*u2
+Vm2=0.15*u0
+Area=0.95*%pi*D/144 *B
+Q=Area*Vm2
+//results
+printf("Specific speed =%d ",Ns)
+printf("\n Flow rate = %d cfs",Q)
+printf("\n Eye diameter = %.1f in",De)