International audienceDevelopment of modular adapted energy concept- Gasifier - multi-fuel burner - boilerCharacterization of syngas and biogas flames - Experimentally: stability, pollutant emissions, temperature - Numerically: Calculations of laminar burning velocity, flame temperature, pollutants (NOx, CO)…This poster: some results of calculation

Boushaki, T.

Gillon, P

Sarh, B.

Shway, K

Zaidaoui, H.

English

Archive Ouverte en Sciences de l'Information et de la Communication

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Submitted on 29 Apr 2019
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Numerical analysis of characteristics of biogas and
syngas combustion
T. Boushaki, K Shway, H. Zaidaoui, P Gillon, B. Sarh
To cite this version:
T. Boushaki, K Shway, H. Zaidaoui, P Gillon, B. Sarh. Numerical analysis of characteristics of
biogas and syngas combustion. 9th European Combustion Meeting, Apr 2019, Lisboa, Portugal.
￿hal-02113607￿
Numerical analysis of characteristics of biogas and syngas combustion
T. Boushaki*, K. Shway, H. Zaidaoui, P. Gillon, B. Sarh
ICARE – CNRS, Universty of Orleans, 1C av. de la Recherche Scientifique, 45071 Orléans, France
* toufik.boushaki@cnrs-orleans.fr
9th European Combustion Meeting, ECM2019, 14-17 April, Lisboa, Portugal
RenewValue Project
 European project: ERANETMED2-72-169
RQ2: Energy and Environment
Collaborative Innovation Project - Mobility
 Subject: Local sustainable renewable energy supply for vulnerable 
communities in arid and semi-arid Mediterranean zones (MENA)
 Partners: ICARE CNRS (France), Universität Rostock, DBFZ (Germany), Ibn
Tofail University (Morocco), INSAT and ENIT (Tunisia), Politecnico di Torino (Italy) 
 Duration : 3 years (2018-2021)
ICARE tasks and objective of the study
 Development of modular adapted energy concept
 Gasifier - multi-fuel burner - boiler 
 Characterization of syngas and biogas flames 
Experimentally: stability, pollutant emissions, temperature
Numerically: Calculations of laminar burning velocity, flame 
temperature, pollutants (NOx, CO)…
 This poster: some results of calculations 
COSILAB: Combustion Simulation Laboratory
Numerical simulation tool for laminar
combustion problems 0D, 1D and recently
2D. Here, calculations of flame 1D (RUN 1DL)
 Laminar flame velocities (SL)
 Flame temperatures (Tf)
 Chemical species distributions
 Pollutant emissions (NO, CO…)
 Pathways of chemical reactions
Combustion characteristics _ calculations
Reference case
CH4-air
Biogas flame Syngas flame
 For different parameters : T, P, Xi, φ
 With different mechanisms of reactions
Case of CH4-air flame
10
15
20
25
30
35
40
0,7 0,75 0,8 0,85 0,9 0,95 1 1,05 1,1 1,15 1,2 1,25 1,3
L
a
m
in
a
r 
b
u
rn
in
g
 v
el
o
ci
ty
, 
S
 L
(c
m
/
s)
Equivalence ratio
GRIMECH 298K
Skeletal 30 species
San Diego 
NIU GALWAY 
Boushaki al. 2012
Coppens et al. 2007
Halter et al. 2005
Bosschaart and Goey 2004
Gu et al. 2000
Vagelopoulous and Egolfopoulos 1998
Y.L.Chan et al.2015
Zahedi et al. 2014
Law et al. 1993
Van Maaren et al. 1994
CH4-air à 298K, 1 bar
0
20
40
60
80
100
300 350 400 450 500
S
L
[c
m
/s
ec
]
Ti [K]
Cosilab GRIMECH 3.0
E. Hu et al. 2012
Han et al. 2007
Mishra et al. 2003
Hill et al. 1988
Garforth et al. 1978
10
15
20
25
30
35
40
1 2 3 4 5
S
l
[c
m
/s
e
c
]
Pi [bar]
CH4-air, 298K, =1
GRIMECH3.0
L. Puzetti et Al. 2017
O. Park et Al. 2011
Rozenchan et Al. 2002
GU et Al. 2000
Laminar burning velocity with equivalence 
ratio: CH4-air, at 298 K, 1 bar
Laminar burning velocity with initial 
temperature  and pressure : CH4-air, 1 bar, Φ=1
Results are validated, with 4 mechanisms
of chemical reactions
 SL  with Ti :  Heating of gas intake
induces a better combustion
 SL  with Pi
COSILAB
Biogas flame calculations Syngas flame calculations
0
5
10
15
20
25
30
35
40
0,7 0,9 1,1 1,3
S
L
[c
m
/s
ec
]

80% CH4-20% CO2 / air, 1 bar, 298K 
GRI MECH 3.0
San Diego mechanism
H.O.B. Nonaka et al. 2016
Zahedi et al. 2014
10
15
20
25
30
35
40
0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50%
S
L
 (
cm
/s
)]
 
CO2
S L =f(%CO2 ) à 298K, 1 bar
Flame velocity with equivalence ratio: CH4-CO2 (90/10 and 80/20%)
Flame velocity with CO2
 Results validated by experiments from the literature
 Laminar burning velocity (SL) decreases with CO2 addition
0
5
10
15
20
25
30
35
40
0,7 0,8 0,9 1 1,1 1,2 1,3
S
l
[c
m
/s
ec
]

90% CH4-10% CO2/ air, 1 bar, 298K 
GRI MECH 3.0
GRI SKELETAL MECHANISM
San Diego mechanism
H.O.B. Nonaka et al. 2016
Chan et al. 2015
Zahedi et al. 2014
0
10
20
30
40
50
60
70
80
90
100
0,5 1 1,5 2 2,5 3 3,5 4 4,5 5
S
l
[c
m
/s
ec
]

90% CO-10% H2 / air , 1 bar, 298 K
Cosilab 2018 (included mechanism)
CRECK Modeling Group, E. Ranzi et al. (Politecnico di Milano)
S. Davis et al. (University of Delaware)
A. Keromnes et al. (NIU Galway)
N. Bouvet et a l. 2011
M.I. Hassan et al. 1997
0
50
100
150
200
0,5 1,5 2,5 3,5 4,5
S
L
 [c
m
/s
ec
]

50% CO/ 50% H2
Cosilab 2018 (icluded mechanism)
CRECK Modeling Group, E. Ranzi et al. (Politecnico di Milano)
S. Davis et a l. (University of Delaware)
A. Keromnes et a l. (NIU Galway)
Y. Zhang et a l. 2014
N. Bouvet et a l. 2011
C. Prathap et a l.2008
M.P. Bruke et a l. 2009
H. Sun et a l. 2007
M.I. Hassan et al. 1997
I.C. McLean et a l. 1994
Laminar burning velocity of CO-H2-air flames: 90/10% and 50/50 % CO-H2
 Results are compared and validated with experimental results
 With +H : S max at Φ =2.5 (CH -air: at Φ = 1.05)
1750
1800
1850
1900
1950
2000
T
 f
[K
]
CO2
T f =f(%CO2 ) à 298K, 1 bar
Temperature, NOx and CO emissions of CH4-CO2-air flames with CO2 
0,5
1
1,5
2
2,5
3
0 10 20 30 40 50
M
a
ss
 f
r
a
c
ti
o
n
 (
×
1
0
-5
)
% CO2
NOx
2
2,5
3
3,5
0 10 20 30 40 50
M
a
ss
 f
ra
ct
io
n
(×
1
0
-2
)
% CO2
CO emissions
 Flame temperature decreases with CO2 addition
 NOx  with CO2
 CO  with CO2
It is necessary to find a good balance to meet the standards
Acknowledgements: This work is supported by the ANR (Agence
Nationale de la Recherche), the CNRS and the University of Orléans:
Eranet-Med II (RenewValue), LABEX CAPRYSSES (ANR-11-LABX-0006-01).
2 L 4
+ H2  SL  ;  SLmax: 190 at 50% of H2, 90 at 50%H2 against  38 cm.s
-1 CH4-air 
 + H2 : higher reactivity, higher  flammability limits, higher velocity, higher T
1800
1900
2000
2100
2200
98% CO                        
2% H2
90% CO
10% H2
80% CO          
20% H2
70% CO                
30% H2
60% CO    
40%H2
50% CO    
50%H2
T
co
m
b
[K
]
Syngas, 1 bar, 298 K, =1
20
30
40
50
60
70
80
90
100
110
120
98% CO                        
2% H2
90% CO
10% H2
80% CO          
20% H2
70% CO                
30% H2
60% CO    
40%H2
50% CO    
50%H2
S
l
[c
m
/s
ec
]
Syngas, 1 bar, 298 K, =1
H2 
CO 
H2 
CO 
Laminar burning velocity of CO-H2-CO2-air
H2 fixedCO 
CO2 
Laminar burning velocity of CO-H2-air Temperature of CO-H2-air flame


Numerical analysis of characteristics of biogas and syngas combustion

https://hal.archives-ouvertes.fr/hal-02113607/file/ECM2019_Poster_Boushaki.pdf

Numerical analysis of characteristics of biogas and syngas combustion

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