Carbon Neutrality,
Journal Year:
2024,
Volume and Issue:
3(1)
Published: Oct. 31, 2024
Abstract
The
application
of
biomass
energy
is
one
the
important
ways
to
achieve
carbon
neutrality
and
deal
with
global
warming.
study
on
combustion
mechanism
anisole,
an
oxygen-containing
fuel,
helpful
for
biofuel
large-scale
application.
In
this
study,
soot
formation
laminar
characteristics
anisole
were
analyzed
by
reactive
force
field
molecular
dynamics
(ReaxFF
MD)
kinetic
simulation,
respectively.
ReaxFF
MD
simulation
studies
had
shown
that
occurred
in
three
stages,
stage
1
(0–1
ns),
2
(1–2.5
3
(2.5–6
ns).
stages
represented
pyrolysis
developmental
soot,
graphitization
During
primary
mechanisms
as
follows:
H-abstraction-C
H
-addition,
carbon-addition-hydrogen-addition,
internal
ring
long
chain
link.
exhibited
different
morphologically
behaviors:
from
flakes
onions
spheres
fewer
branched
chains.
From
it
can
be
found
burning
velocities
increased
along
increase
temperature,
while
opposite
trend
was
pressure.
sensitivity
coefficient
naphthalene,
main
precursor,
revealed
promotional
reactions
R5
(O
+
<
=
>
O
OH),
R36
(CO
OH
CO
H).
Energies,
Journal Year:
2024,
Volume and Issue:
17(23), P. 6090 - 6090
Published: Dec. 3, 2024
Ammonia
stands
out
as
a
promising
zero-carbon
fuel
and
an
efficient
hydrogen
carrier,
offering
great
promise
for
industrial
applications
in
gas
turbines
boilers.
However,
different
combustion
modes
significantly
influence
the
flame
structure
characteristics
of
ammonia.
In
this
study,
two
distinct
injection
strategies
were
employed
model
combustor:
ammonia
methane,
under
fully
premixed
dual-flame
modes.
Numerical
simulations
performed
to
analyze
structure,
velocity
fields,
temperature
distribution,
complemented
by
planar
flow
field,
OH*
chemiluminescence,
NO
emission
measurements.
Findings
reveal
that
with
increasing
NH3
ratio,
front
becomes
more
elongated
pronounced
fluctuations
at
swirler
exit.
Particularly,
50%
NH3,
significant
reduction
is
observed,
notably
height
30
mm
from
burner.
For
dual
flames,
reaction
NH2
+
O
↔
HNO
H
was
less
compared
its
effect
whereas
O2
OH
demonstrated
highest
sensitivity
coefficient.
An
increase
ratio
correspondingly
led
consumption
rates,
heightening
coefficient
inhibition,
providing
critical
insights
into
optimization.
Carbon Neutrality,
Journal Year:
2024,
Volume and Issue:
3(1)
Published: Oct. 31, 2024
Abstract
The
application
of
biomass
energy
is
one
the
important
ways
to
achieve
carbon
neutrality
and
deal
with
global
warming.
study
on
combustion
mechanism
anisole,
an
oxygen-containing
fuel,
helpful
for
biofuel
large-scale
application.
In
this
study,
soot
formation
laminar
characteristics
anisole
were
analyzed
by
reactive
force
field
molecular
dynamics
(ReaxFF
MD)
kinetic
simulation,
respectively.
ReaxFF
MD
simulation
studies
had
shown
that
occurred
in
three
stages,
stage
1
(0–1
ns),
2
(1–2.5
3
(2.5–6
ns).
stages
represented
pyrolysis
developmental
soot,
graphitization
During
primary
mechanisms
as
follows:
H-abstraction-C
H
-addition,
carbon-addition-hydrogen-addition,
internal
ring
long
chain
link.
exhibited
different
morphologically
behaviors:
from
flakes
onions
spheres
fewer
branched
chains.
From
it
can
be
found
burning
velocities
increased
along
increase
temperature,
while
opposite
trend
was
pressure.
sensitivity
coefficient
naphthalene,
main
precursor,
revealed
promotional
reactions
R5
(O
+
<
=
>
O
OH),
R36
(CO
OH
CO
H).
