Pressure Losses And Coefficients Of Resistance In Exhaust Pipes - Man B&W S50MC-C8-TII Project Manual

MAN B&W

Pressure losses and coefficients of resistance in exhaust pipes

a
a
90
c
20
a
b
M
Spark
p

arrester
M
Silencer
p
2
p
tc
M
M
p
3
M: Measuring points
Fig. 15.05.01: Pressure losses and coefficients of resistance in exhaust pipes
MAN B&W MC/MCC, ME/MEC/MEGI/ME-B engines
Changeover valves
60
b
Changeover valve
of type with con-
stant cross section
ζa = 0.6 to .2
ζb = .0 to .5
ζc = .5 to 2.0
Changeover valve
of type with volume
ζa = ζb = about 2.0
Exhaust
gas boiler
M
M
tc
T/C
90
D
60
D
30
D
90
D
45
D
M
tc
178 32 091.0
MAN Diesel
R = D
R = .5D
R = 2D
R
R = D
R = .5D
R = 2D
R
R = D
R
R = .5D
R = 2D
Outlet from
top of exhaust
gas uptake
Inlet (from
turbocharger) ζ = – .00
15.05
Page 3 of 3
ζ = 0.28
ζ = 0.20
ζ = 0.7
ζ = 0.6
ζ = 0.2
ζ = 0.
ζ = 0.05
ζ = 0.45
ζ = 0.35
ζ = 0.30
ζ = 0.4
ζ = .00
178 06 853.0
198 40 949.3