This paper reports numerical investigation concerning the interaction of a laminar methane–air counterflow diffusion flame with monodisperse and polydisperse water spray. Commercial code ansys fluent with reduced chemistry has been used for investigation. Effects of strain rate, Sauter mean diameter (SMD), and droplet size distribution on the temperature along stagnation streamline have been studied. Flame extinction using polydisperse water spray has also been explored. Comparison of monodisperse and polydisperse droplet distribution on flame properties reveals suitability of polydisperse spray in flame temperature reduction beyond a particular SMD. This study also provides a numerical framework to study flame–spray interaction and extinction.

References

1.
Lazzarini
,
A. K.
,
Krauss
,
R. H.
,
Chelliah
,
H. K.
, and
Linteris
,
G. T.
,
2000
, “
Extinction Conditions of Non-Premixed Flames With Fine Droplets of Water and Water/NaOH Solutions
,”
Proc. Combust. Inst.
,
28
(
2
), pp.
2939
2945
.10.1016/S0082-0784(00)80719-5
2.
Mikami
,
M.
,
Miyamoto
,
S.
, and
Kojima
,
N.
,
2002
, “
Counterflow Diffusion Flame With Polydisperse Sprays
,”
Proc. Combust. Inst.
,
29
(
1
), pp.
593
599
.10.1016/S1540-7489(02)80076-1
3.
Chelliah
,
H. K.
,
Lazzarini
,
A. K.
,
Wanigarathne
,
P. C.
, and
Linteris
,
G. T.
,
2002
, “
Inhibition of Premixed and Non-Premixed Flames With Fine Droplets of Water and Solutions
,”
Proc. Combust. Inst.
,
29
(
1
), pp.
369
376
.10.1016/S1540-7489(02)80049-9
4.
Sasongko
,
M. N.
,
Mikami
,
M.
, and
Dvorjetski
,
A.
,
2011
, “
Extinction Condition of Counterflow Diffusion Flame With Polydisperse Water Sprays
,”
Proc. Combust. Inst.
,
33
(
2
), pp.
2555
2562
.10.1016/j.proci.2010.06.118
5.
Chelliah
,
H. K.
, and
Lentati
,
A. M.
,
1998
, “
Dynamics of Water Droplets in a Counterflow Field and their Effect on Flame Extinction
,”
Combust. Flame
,
115
(
1
), pp.
158
179
.10.1016/S0010-2180(97)00355-6
6.
Hua
,
J.
,
Kumar
,
K.
,
Khoo
,
B. C.
, and
Xue
,
H.
,
2002
, “
A Numerical Study of the Interaction of Water Spray With a Fire Plume
,”
Fire Saf. J.
,
37
(
7
), pp.
631
657
.10.1016/S0379-7112(02)00026-7
7.
Prasad
,
K.
,
Patnaik
,
G.
, and
Kailasanath
,
K.
,
2002
, “
A Numerical Study of Water-Mist Suppression of Large Scale Compartment Fires
,”
Fire Saf. J.
,
37
(
6
), pp.
569
589
.10.1016/S0379-7112(02)00004-8
8.
Yang
,
P.
,
Liu
,
T.
, and
Qin
,
X.
,
2010
, “
Experimental and Numerical Study on Water Mist Suppression System on Room Fire
,”
Build. Environ.
,
45
(
10
), pp.
2309
2316
.10.1016/j.buildenv.2010.04.017
9.
Gupta
,
M.
,
Rajora
,
R.
,
Sahai
,
S.
,
Shanker
,
R.
,
Ray
,
A.
, and
Kale
,
S. R.
,
2012
, “
Experimental Evaluation of Fire Suppression Characteristics of Twin Fluid Water Mist System
,”
Fire Saf. J.
,
54
, pp.
130
142
.10.1016/j.firesaf.2012.08.007
10.
Smooke
,
M. D.
,
Puri
,
I. K.
, and
Sheshadri
,
K.
,
1988
, “
A Comparison Between Numerical Calculations and Experimental Measurements of the Structure of a Counterflow Diffusion Flame Burning Diluted Methane in Diluted Air
,”
Twenty-First Symposium (International) on Combustion/The Combustion Institute
, pp.
1783
1792
.10.1016/S0082-0784(88)80412-0
11.
Morsi
,
S. A.
, and
Alexander
,
A. J.
,
1972
, “
An Investigation of Particle Trajectories in Two Phase Flow System
,”
J. Fluid Mech.
,
55
(
2
), pp.
193
208
.10.1017/S0022112072001806
12.
Amantini
,
G.
,
Frank
,
J. H.
,
Smooke
,
M. D.
, and
Gomez
,
A.
,
2007
, “
Computational and Experimental Study of Steady Axisymmetric Non-Premixed Methane Counterflow Flames
,”
Combust. Theory Modell.
,
11
(
1
), pp.
47
72
.10.1080/13647830600792370
13.
Naito
,
H.
,
Uendo
,
T.
,
Saso
,
Y.
,
Kotani
,
Y.
, and
Yoshida
,
A.
,
2011
, “
Effect of Fine Water Droplets on Extinguishment of Diffusion Flame Established in the Forward Stagnation Region of a Porous Cylinder
,”
Proc. Combust. Inst.
,
33
(
2
), pp.
2563
2571
.10.1016/j.proci.2010.06.005
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