Experimental analysis and multi-objective optimization of heavy-duty hydrogen SI engine performance and emissions based on GA-BP-MOGWO
Energy Conversion and Management,
Год журнала:
2025,
Номер
329, С. 119638 - 119638
Опубликована: Фев. 16, 2025
Язык: Английский
Experimental investigation on ammonia combustion ignited by methanol-enriched active pre-chamber in an optical engine
International Journal of Hydrogen Energy,
Год журнала:
2024,
Номер
93, С. 169 - 181
Опубликована: Ноя. 2, 2024
Язык: Английский
Chemical kinetic modeling study of DME conversion products with ammonia on combustion and pollutant generation
International Journal of Hydrogen Energy,
Год журнала:
2025,
Номер
105, С. 1069 - 1079
Опубликована: Янв. 30, 2025
Язык: Английский
Numerical investigation on the propagation process of ammonia diffusion flame ignited by hydrogen jet flame in a chamber with piston bowl
Physics of Fluids,
Год журнала:
2025,
Номер
37(2)
Опубликована: Фев. 1, 2025
Hydrogen
jet
flame
ignition
technology,
based
on
active
pre-chamber,
is
an
effective
approach
to
improve
the
combustion
inertness
of
ammonia.
Revealing
transition
mechanism
ammonia
diffusion
ignited
by
hydrogen
flame,
driven
coupling
chemical
reactions
and
mass
transfer,
great
significance
for
developing
advanced
strategies.
This
paper
offers
a
comprehensive
analytical
perspective
development
process
ammonia–hydrogen
combustion.
The
results
show
that,
compared
with
pre-chamber
structure,
direction
has
more
significant
impact
turbulence
kinetic
energy
mixture.
slender
throat
structure
intensifies
turbulent
thermal
dissipation
effect,
which
detrimental
formation
propagation
initial
flame.
can
be
divided
into
four
stages.
squeezed
main
chamber
during
mixture
stage
significantly
impacts
speed
During
from
shifts
its
dominant
factor
transfer
rate
reaction
rate.
initially
focuses
thin
zone,
followed
front
becoming
corrugated
under
influence
vortices
study
provides
important
theoretical
basis
strategies,
especially
in
context
as
power
sources
zero-carbon
marine
vessels.
Язык: Английский
The autoignition characteristics of oxygen-in-ammonia blending fuel turbulent jet flame into high temperature co-flow
Fuel,
Год журнала:
2025,
Номер
395, С. 135170 - 135170
Опубликована: Март 27, 2025
Язык: Английский
Combustion and emissions of an ammonia-gasoline dual-fuel spark ignition engine: Effects of ammonia substitution rate and spark ignition timing
Ying Ding,
G.-H. Pan,
Dong Han
и другие.
International Journal of Hydrogen Energy,
Год журнала:
2025,
Номер
122, С. 348 - 358
Опубликована: Апрель 1, 2025
Язык: Английский
Effect of blending ratio and equivalence ratio on combustion process of ammonia/hydrogen rotary engine
Applied Thermal Engineering,
Год журнала:
2025,
Номер
unknown, С. 126635 - 126635
Опубликована: Апрель 1, 2025
Язык: Английский
A Review of Ammonia Combustion and Emissions Characteristics in Spark-Ignition Engines and Future Road Map
Energies,
Год журнала:
2024,
Номер
18(1), С. 41 - 41
Опубликована: Дек. 26, 2024
Ammonia
(NH3)
is
gaining
recognition
as
a
viable
“green”
transportation
fuel
due
to
its
zero-carbon
characteristic,
high
energy
density
and
widespread
availability.
However,
NH3
has
auto-ignition
temperature,
resulting
in
potential
emissions
of
NOx
unburned
NH3.
Addressing
combustion
challenges
requires
innovative
solutions,
such
the
application
promoters
enhance
combustibility.
This
review
article
focuses
on
compatibility
for
spark-ignition
(SI)
engines,
examining
under
various
modes
including
pure
combustion,
gasoline
blends,
NH3/hydrogen
(H2)
NH3/natural
gas
blends
single
or
dual-fuel
configurations.
The
formation
nitrogen
oxides
(NOx)
slip-NH3
explored
understand
species
NO
N2O.
Additionally,
highlights
limitations
SI
combustion.
comprehensive
discussion
provided
this
aims
fill
critical
gap
literature
regarding
NH3’s
feasibility
particularly
maritime
sector.
By
offering
insights
into
characteristics
profiles,
seeks
provide
roadmap
leveraging
suitable
non-carbon
decarbonize
marine
sector
advance
global
sustainability
goals.
Язык: Английский