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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3685/CH19/EX19.23/Ex19_23.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3685/CH19/EX19.23/Ex19_23.sce')
| -rw-r--r-- | 3685/CH19/EX19.23/Ex19_23.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/3685/CH19/EX19.23/Ex19_23.sce b/3685/CH19/EX19.23/Ex19_23.sce new file mode 100644 index 000000000..516b21a55 --- /dev/null +++ b/3685/CH19/EX19.23/Ex19_23.sce @@ -0,0 +1,21 @@ +clc
+// Given that
+v = 5 // Volume flow rate in m^3/s
+d = 1 // Mean impeller diameter in m
+D = 0.6 // Hub diameter in m
+N = 600 // Rotational speed in RPM
+h = 35 // Theoratical head in mm
+rho = 1.2 // Density of air in kg/m^3
+rho_w = 1000 // Density of water in kg/m^3
+printf("\n Example 19.23\n")
+Vf = v*4/(%pi*(d^2 - D^2))
+Vb = (%pi*d*N/60)
+Vb_ = (%pi*D*N/60)
+H = h/rho
+Vw2 = H*9.81/(Vb)
+Vw2_ = H*9.81/(Vb_)
+beta_tip = atand(Vf/(Vb-Vw2))
+beta_hub = atand(Vf/(Vb_-Vw2_))
+printf("\n Blade angle at the tip = %f degree,\n Blade angle at the hub = %f degree",beta_tip,beta_hub)
+// The answers given in the book vary because of round off error
+
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