initial commit / add all books

1 files changed, 33 insertions, 0 deletions

diff --git a/32/CH11/EX11.06/11_06.sce b/32/CH11/EX11.06/11_06.sce
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+//pathname=get_absolute_file_path('11.06.sce')

+//filename=pathname+filesep()+'11.06-data.sci'

+//exec(filename)

+//Rate at which coal is burnt(in kg/hr):

+R=2.5*10^3

+//Mass per kg of fuel required for complete combustion(in kg):

+m=20

+//Temperature of burnt gases(in K):

+Tg=327+273

+//Ambient air temperature(in K):

+Ta=27+273

+//Pressure head(in mm):

+h=7+6+3+2

+//Ratio of actual natural draught to theoretical draught:

+na=0.90

+//Acceleration due to gravity(in m/s^2):

+g=9.81

+//Actual natural draught(in mm of water):

+hw=h/na

+//Height of chimney(in m):

+H=hw/(353*(1/Ta-(m+1)/(m*Tg)))

+//Density of hot gases(in kg/m^3):

+dg=353/Tg*(m+1)/m

+//Height of hot gases column(in m):

+hg=H*((m+1)/m*Tg/Ta-1)

+//Mass flow rate of hot gases(in kg/s):

+Mg=R*hw/3600

+//Velocity of got gases(in m/s):

+C=sqrt(2*g*hg)

+//Diameter of chimney(in m):

+D=sqrt((4*Mg)/(%pi*C*dg))

+printf("\n RESULT \n")

+printf("\nDiameter of chimney = %f m",D)
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