diff options
Diffstat (limited to '1943/CH7/EX7.14/Ex7_14.sce')
| -rwxr-xr-x | 1943/CH7/EX7.14/Ex7_14.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/1943/CH7/EX7.14/Ex7_14.sce b/1943/CH7/EX7.14/Ex7_14.sce new file mode 100755 index 000000000..b6bb88921 --- /dev/null +++ b/1943/CH7/EX7.14/Ex7_14.sce @@ -0,0 +1,21 @@ + +clc
+clear
+//Input data
+a=17//Nozzle angle in degrees
+Vb=125//Blade velocity in m/s
+b2=22//Blade angle n degrees
+a1=26//Blade angle n degrees
+b4=30//Blade angle n degrees
+f=0.9//Friction factor
+a2=90//Axial angle in degrees
+
+//Calculations
+dVw=1040//Velocity in m/s from Velocity triangles Fig. E.7.14
+V1=575//Velocity in m/s from Velocity triangles Fig. E.7.14
+V4=75//Velocity of steam exiting stage in m/s from Velocity triangles Fig. E.7.14
+WD=(dVw*Vb)/1000//Diagram work in kJ/kg
+nd=((WD*1000)/((1/2)*V1^2))*100//Diagram efficiency in percent
+
+//Output
+printf('(a) Absolute velocity of steam leaving the stage is %3.0f m/s \n (b) the diagram work is %3.0f kJ/kg \n (c) the diagram efficiency is %3.2f percent',V4,WD,nd)
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