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MAN B&W 15.05
Pressure losses and coefficients of res<strong>is</strong>tance in exhaust pipes
p tc
a a
p
p 2
p 3
90
20
a b
M: Measuring points
c
M
M
M
Spark
arrester
Silencer
M
M
60
b
Exhaust
gas boiler
T/C
Change�over valves
Change�over valve
of type with constant
cross <strong>section</strong>
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
Fig. 15.05.01: Pressure losses and coefficients of res<strong>is</strong>tance in exhaust pipes
M tc
M tc
Page 3 of 3
MAN B&W MC/MC�C, ME/ME�C/ME�GI/ME-B engines 198 40 94�9.3
MAN Diesel
D
D
D
D
D
90
60
30
90
45
R
R
R
R = D ζ = 0.28
R = .5D ζ = 0.20
R = 2D ζ = 0. 7
R = D ζ = 0. 6
R = .5D ζ = 0. 2
R = 2D ζ = 0.
ζ = 0.05
R = D ζ = 0.45
R = .5D ζ = 0.35
R = 2D ζ = 0.30
ζ = 0. 4
Outlet from ζ = .00
top of exhaust
gas uptake
Inlet (from
turbocharger) ζ = – .00
178 32 09�1.0 178 06 85�3.0