diff options
Diffstat (limited to '2063/CH9/EX9.4/9_4.sce')
| -rwxr-xr-x | 2063/CH9/EX9.4/9_4.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/2063/CH9/EX9.4/9_4.sce b/2063/CH9/EX9.4/9_4.sce new file mode 100755 index 000000000..55eaf5ae9 --- /dev/null +++ b/2063/CH9/EX9.4/9_4.sce @@ -0,0 +1,19 @@ +clc
+clear
+//Input data
+D=0.25;//Diameter of the cylinder of a single acting air compressor in m
+L=0.4;//Length of the stroke in m
+P1=1;//Initial Pressure of the compressor in bar
+T1=303;//Initial temperature of the compressor in K
+P2=6;//Pressure during running in bar
+N=250;//Operating speed of the compressor in rpm
+R=287;//Gas constant in J/kg K
+
+//Calculations
+V1=(3.14*D^2*L)/4;//Volume of air before compression in m^3
+m=(P1*10^5*V1)/(R*T1);//Mass of air delivered by the compressor per stroke in kg/stroke
+Nw=N;//Since single acting cylinder number of working stroke is equal to Operating speed of the compressor in rpm
+ma=m*Nw;//Mass of air delivered per minute in kg/min
+
+//Output
+printf('Mass of air delivered per minute is %3.2f kg/min',ma)
|