International Journal of Automotive Engineering and Technologies,
Год журнала:
2024,
Номер
13(3), С. 123 - 132
Опубликована: Сен. 30, 2024
In
this
study,
the
effect
of
nanoparticle
addition
into
rapeseed
methyl
ester
(R0)
produced
by
transesterification
method
on
engine
performance
and
emissions
was
experimentally
investigated.
Titanium
dioxide
used
as
a
nano
fuel
additive
added
to
test
fuels
at
rates
50
ppm
(RTi50)
75
(RTi75)
using
an
ultrasonic
mixer.
The
titanium
exhaust
determined
taking
advantage
its
photocatalysis
chemical
reaction
accelerator
properties.
Additionally,
reduced
viscosity
density
biodiesel
fuel,
resulting
in
higher
micro
explosion.
According
results
carried
out
4
different
loads,
brake
specific
consumption
decreased
7.51%
8.62%
RTi50
RTi75
compared
R0
fuel.
Brake
thermal
efficiency
increased
2.47%
6.21%,
respectively.
improvement
combustion
achieved
conversion
CO
CO2,
NOX
emissions,
smoke
caused
more
complete
products
come
exhaust.
Processes,
Год журнала:
2024,
Номер
12(11), С. 2471 - 2471
Опубликована: Ноя. 7, 2024
Biodiesel
is
a
promising
alternative
fuel
that
represents
sustainable
and
environmentally
friendly
energy
source.
Due
to
its
complete
carbon
cycle,
it
reduces
dependence
on
fossil
fuels
lowers
greenhouse
gas
emissions.
However,
the
use
of
biodiesel
in
diesel
engines
associated
with
several
challenges,
including
an
increase
nitrogen
oxide
particulate
emissions,
incompatibility
cold
climates,
lower
calorific
value.
By
using
nanoparticles
as
additives,
there
potential
improve
properties
address
shortcomings.
In
this
work,
characteristics
derived
from
waste
cooking
oil
have
been
enhanced
nanoparticle
which
result
usage
higher
percentage
engines.
Nanoparticles
cerium
oxide,
silicon
dioxide,
aluminum
investigated
different
concentrations
additives.
Two
mathematical
models
are
introduced
work
solved
by
LINGO
optimization
software
(version
18);
first
one
seeks
predict
any
blend
diesel–biodiesel–nanoparticles,
while
second
model
aims
maximize
ratio
biodiesel–diesel–nanoparticles
blend.
The
application
combined
two
aids
selection
optimal
nanomaterial
improves
permits
mixing
fuel.
results
show
best
type
at
concentration
100
ppm,
blended
CeO2
24.892%.
An
unmodified
engine
operated
evaluated
optimum
(24.892%
+
75.108%
petrol
ppm
nanoparticles).
It
found
significant
improvements
performance
emissions
compared
conventional
achieved.
reductions
brake-specific
consumption
(BSFC),
smoke
opacity,
monoxide
24%,
52%,
30%,
respectively.
International Journal of Chemical Reactor Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 28, 2025
Abstract
This
research
examines
the
performance
variables,
combustion,
and
amounts
of
NOx,
CO,
HC,
K
emissions
in
a
diesel
engine,
using
blends
hemp
biodiesel
oleic
acid
with
conventional
diesel.
To
obtain
from
oil
acid,
heterogeneous
sulfonated
camphor
catalyst
(CASU-AL)
was
used
for
transesterification
esterification
respectively.
Several
characterization
tests
were
performed
on
CASU-AL
such
as
acid-base
titration
method
quantification
sites,
XRD
analysis
to
determine
areas
carbonaceous
material,
images
composition
obtained
SEM
EDX,
porosity
characteristics
surface
properties
assessed
BET
analysis.
Constant
operating
conditions
autogenous
reactor
temperature
200
°C,
reaction
time
23
min,
quantity
0.033
%
w.
analyses
applied
CASU-AL,
several
mixtures
made
diesel,
different
biodiesels
laboratory.
The
(DIE-100),
(BAC-100),
(BAO-100),
Diesel-BAC
mixture
30
(MDBAC-30),
Diesel-BAO
(MDBAO-30).
For
three
speed
zones
selected
engine
identify
behavior
at
low
1,200
rpm,
medium
1,400
high
1800
rpm.
Combustion
reveal
that
no
significant
variation
is
observed
however,
gaseous
products
derived
reductions
carbon
monoxide,
unburned
hydrocarbon,
an
increase
nitrogen
oxide
achieved
when
DIE-100
compared
BAC-100
BAO-100.
showed
reduction
K,
smoke
testing
MDBAC-30
MDBAO-30
laboratory
engine.
A
comparison
oil-oleic
BAO-100
revealed
could
be
alone
or
blend
70
fuel
engines
by
decreasing
air
pollutants
promoting
lubricity
Our
findings
best
lowest
among
all
tested
fuels.
In
other
words,
are
ideal
do
not
require
any
modification
The
energy
demand
of
future
generations
cannot
be
realized
by
fossil
fuel
resources
due
to
their
exhaustible
nature
and
the
largest
source
greenhouse
gas
emissions.
Biodiesel
is
a
potential
renewable
that
can
replace
petro-diesel.
However,
it
required
improve
cold
flow
properties,
engine
performance,
emission
characteristics
biodiesel.
In
this
study,
3-armed
glyceryl
lactate
bioadditive
was
used
with
Al2O3-NPs
simultaneously
enhance
performance
reduce
3-Armed
Gly-lac
as
improver,
oxygenate
additive,
dispersant
for
Al2O3-NPs.
It
synthesized
from
glycerol
lactic
acid.
biodiesel
in
study
also
soybean
oil
methanol
through
trans-esterification
reaction.
were
sol-gel
method
characterized
using
UV-vis,
FTIR
spectroscopy,
PSA,
XRD.
effect
Al2O3-NP-dispersed
on
cloud
point
(CP)
pour
(PP)
studied.
synergetic
effects
(various
loading
rates)
investigated.
Addition
(3
wt
%)
into
brought
maximum
reduction
CP
PP
7
9.44
°C,
respectively,
compared
pure
Similarly,
addition
B20
improvement
brake
power
thermal
efficiency
0.843
kW
6.837%,
during
full
load
operation.
brake-specific
consumption
reduced
25.26%.
Maximum
emissions
unburned
HC,
NO
x
,
CO
61.20%,
24.42%,
39.52%
obtained,
when
3
%
Al2O3-NP/3-armed
an
additive
B20.
International Journal of Automotive Engineering and Technologies,
Год журнала:
2024,
Номер
13(3), С. 123 - 132
Опубликована: Сен. 30, 2024
In
this
study,
the
effect
of
nanoparticle
addition
into
rapeseed
methyl
ester
(R0)
produced
by
transesterification
method
on
engine
performance
and
emissions
was
experimentally
investigated.
Titanium
dioxide
used
as
a
nano
fuel
additive
added
to
test
fuels
at
rates
50
ppm
(RTi50)
75
(RTi75)
using
an
ultrasonic
mixer.
The
titanium
exhaust
determined
taking
advantage
its
photocatalysis
chemical
reaction
accelerator
properties.
Additionally,
reduced
viscosity
density
biodiesel
fuel,
resulting
in
higher
micro
explosion.
According
results
carried
out
4
different
loads,
brake
specific
consumption
decreased
7.51%
8.62%
RTi50
RTi75
compared
R0
fuel.
Brake
thermal
efficiency
increased
2.47%
6.21%,
respectively.
improvement
combustion
achieved
conversion
CO
CO2,
NOX
emissions,
smoke
caused
more
complete
products
come
exhaust.
