Appendice A
109
A
A
p
p
p
p
e
e
n
n
d
d
i
i
c
c
e
e
A
A
–
–
F
F
l
l
a
a
m
m
e
e
l
l
e
e
t
t
r
r
e
e
a
a
c
c
t
t
i
i
o
o
n
n
l
l
i
i
b
b
r
r
a
a
r
r
y
y
f
f
o
o
r
r
C
C
F
F
X
X
-
-
5
5
######################################################################## # FLAMELET REACTION LIBRARY FOR CFX-5
######################################################################## #
# @(#) $Id: REACTIONS-fll.ccl,v 1.1 2003/12/05 09:41:34 cfdhf Exp $ #
# This file includes the CCL description of chemical reaction schemes # for the Flamelet libraries supplied as part of the CFX-5
# installation. #
# REACTION: <name>
# Option = Flamelet Library # Materials List = <String List> # Library File = <File Name> # END # REACTION # ######################################################################## # LIBRARY: # ######################################################################## #
# Flamelet - Library for methane/air flames #
# Pressure : 1 [bar] # T_Boundary : 298 [K]
# Strainrate : a = 0.5 - 550 in 12 steps # Scalar Diss : chi = 0.022 - 32.6 in 12 steps
# Variancefac. : v = 0.1 - 0.9 in 9 steps (v = sqrt(zvar)/zfav) #
# Mixture fraction is corrected #
######################################################################## #
REACTION: Methane Air Flamelet 298K 1bar Option = Flamelet Library
Reaction Description = \
Methane Air Flamelet Library \
with Laminar Flame Speed Correlation (298 K inlet, 1 bar) Materials List = CH4, O2, H, O, OH, H2, H2O, CO, CO2, \
CH3, CH2O, C2H2, C2H4, C2H6, HCCO, N2 Library File = flamelet/CH4_Air_Tf298K_Tox298K_p1bar.fll LAMINAR FLAME SPEED:
Option = Flame Speed
Laminar Flame Speed = LFlmSpd END
Appendice A
110
# CEL: EXPRESSIONS: ##---- Laminar flame speed correlation (Beta-function). #
PHIlean = 0.46 # Lean flammability limit PHIrich = 1.64 # Rich flammability limit
PHImax = 1.06 # Stoichiometry of maximum flame speed LFlmSpdMax = 0.35 [m/s] # Maximum laminar flame speed #
Zst = 0.055 # Stoichiometric mixture fraction
Phi = mixfrc / (max(0,1-mixfrc)+1.e-6) * (1-Zst)/Zst # BETAa = 2*(PHImax-PHIlean)/(PHIrich-PHIlean) BETAb = 2*(PHIrich-PHImax)/(PHIrich-PHIlean) # LFlmSpd = LFlmSpdMax \ * (max(0, Phi-PHIlean))^BETAa \ * (max(0, PHIrich-Phi))^BETAb END # EXPRESSIONS END # CEL ######################################################################## #
# Flamelet Library created by RIF
# a tool, developed by Advanced Combustion, # Copyright 1997-2001 .
#
# Date of library built : Wed 04.Dec 2002 #
# Pressure [bar] : 1.0000 # Temp Oxidizer [K] : 300.0000 # Temp Fuel [K] : 300.0000
# Scalar Diss Rate : Chi = 0. - 641.0 in 17 steps # Z-Variance factor : v = 0. - 0.99 in 10 steps #
# Composition oxidizer side: # N2 : 0.767000 # O2 : 0.233000 #
# Composition fuel side : # H2 : 1.000000 #
######################################################################## REACTION: Hydrogen Air Flamelet 300K 1bar
Option = Flamelet Library Reaction Description = \
Hydrogen Air Flamelet Library (300 K inlet, 1 bar) Materials List = H2, O2, H, OH, O, H2O, HO2, H2O2, N2 Library File = flamelet/H2_Air_Tf300K_Tox300K_p1bar.fll END
#
