diff options
Diffstat (limited to '32/CH11/EX11.19/11_19.sce')
-rwxr-xr-x | 32/CH11/EX11.19/11_19.sce | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/32/CH11/EX11.19/11_19.sce b/32/CH11/EX11.19/11_19.sce new file mode 100755 index 000000000..2ede9c58d --- /dev/null +++ b/32/CH11/EX11.19/11_19.sce @@ -0,0 +1,34 @@ +//pathname=get_absolute_file_path('11.19.sce')
+//filename=pathname+filesep()+'11.19-data.sci'
+//exec(filename)
+//Ambient temperature(in K):
+Ta=20+273
+//Velocity(in m/s):
+V=20
+//Draught lost through grate(in mm of water column):
+hw1=30
+//Mechanical efficiency:
+nm=0.80
+//Rate at which coal is burnt(in kg/hr):
+mf=1000
+//Rate at which air is supplied(in kg/hr):
+ma=16
+//Ambient pressure(in bar):
+pa=1.01325
+//Density of air(in kg/m^3):
+d=1.29
+//Acceleration due to gravity(in m/s^2):
+g=9.81
+//Zero temperature(in K):
+T0=273
+//Pressure equivalent to velocity head(in N/m^2):
+P1=d*V^2/2
+P=P1/g //mm of water column
+//Total draught loss(in mm of water column):
+hw=hw1+P
+//Pressure required(in N/m^2):
+p=hw*g
+//F.D. fan power requirement(in W):
+PFD=p*mf*ma*Ta/(d*T0*nm*3600)
+printf("\n RESULT \n")
+printf("\nF.D. fan power = %f W",PFD)
\ No newline at end of file |