Proceedings of the Institution of Mechanical Engineers Part E Journal of Process Mechanical Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 26, 2024
Repurposing
used
tires
into
fuel
could
help
address
environmental
degradation
and
the
fast
depletion
of
fossil
resources
to
some
extent.
In
this
work,
an
attempt
has
been
made
control
emissions
by
combining
modification
after
treatment
techniques.
Fuel
is
done
through
antioxidant
additive
addition
with
blend
mitigate
prompt
NOx
emission
catalytic
converter
for
additional
reduction.
The
test
results
indicate
that
tire
oil
may
be
a
good
substitute
fuels.
NO
were
reduced
15.3%
300
ppm
at
full
load.
Whereas
21.1%
incorporation
converter.
However,
maximum
reduction
achieved
was
30.5%
antioxidants
incorporating
Energy,
Journal Year:
2024,
Volume and Issue:
306, P. 132390 - 132390
Published: July 14, 2024
This
study
explores
the
impact
of
climate
variability
on
operation
sustainable
ventilation
systems
in
urban
infrastructure,
with
a
focus
smoke
movement
metro
stations
under
varied
external
climatic
conditions.
Smoke
characteristics
and
strategies
an
atrium-type
station
are
investigated
using
numerical
simulations.
The
simulations
reveal
influence
through
atrium
roof
windows,
particular
attention
to
outdoor
temperature
wind
velocity.
designs
different
for
control
that
incorporate
meteorological
data,
evaluating
visibility,
CO
distribution,
extraction
efficiency.
findings
indicate
severe
climates
low
temperatures
high
velocities,
from
window
outlets
is
challenging.
adverse
effects
decrease
natural
efficiency,
increase
concentration,
reduce
safe
visibility
area.
However,
improved
measures,
such
as
platform
make-up
air
system
mechanical
system,
can
significantly
enhance
performance
facilitate
evacuation.
also
employs
NSGA-II
multi-objective
optimisation
method
obtain
optimal
climates,
balancing
three
objectives
operating
energy
consumption,
area,
outcomes
show
recommended
values
Vp
20%–30
%
(0
°C
≤
To≤40
°C)
40
(−40
To<0
°C),
vr
0.3
(10
0.4
To
<
−10
Vc
all
lower
than
4
%.
As
velocity
increases,
need
be
enhanced.
research
contributes
development
by
offering
framework
managing
public
safety
efficiency
context
variability.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Aug. 31, 2024
Abstract
There
has
been
an
intense
surge
in
interest
the
search
for
alternative
sources
of
petroleum
fuels
modern
world
as
a
result
inflation
fuel
prices
and
historic
supply
gap.
When
compared
to
fuels,
biodiesel
is
becoming
increasingly
valuable
option
due
fact
that
it
produces
less
emissions
provides
almost
same
amount
energy.
In
point
fact,
prime
aim
this
work
explore
possibility
utilizing
derived
from
lemongrass
oil
including
dibutyl
ether
additive
test
diesel
engine
operating
on
varied
compression
ratios.
The
findings
showed
best
settings
are
17.5
ratio
with
blend
30%
70%
fuel.
At
greater
loads,
brake
thermal
efficiency
lower
than
engines.
Lower
loads
specific
usage.
Mechanical
at
higher
highest
B30
blend,
but
emission
metrics
such
CO,
CO
2
,
HC,
NOx
were
reduced
inclusion
additive,
though
HC
rose
blends.
various
composition
additives,
+
4%
fourth
load
terms
both
power
mechanical
efficiency.
Energies,
Journal Year:
2024,
Volume and Issue:
17(10), P. 2255 - 2255
Published: May 8, 2024
Environmental
pollution
caused
by
marine
engines
fueled
with
fossil
fuels
is
a
matter
of
growing
significance.
The
search
for
renewable
and
clean
energy
sources
improvements
in
the
way
are
burnt
aims
to
reduce
environmental
impact
these
engines.
For
this
purpose,
fatty
acid
methyl
esters
were
produced
from
pure
canola
oil
using
KOH-assisted
methanol-based
transesterification
maximum
yield
90.68
±
1.6%.
engine’s
model
was
created
CONVERGE
software,
followed
experimental
verification.
This
paper
examines
blended
fuel
characteristics
diesel
engine
biodiesel
blends
(0%,
5%,
10%,
15%)
at
different
loads
(50%,
75%,
100%).
It
also
explores
variation
B10
(10%
biodiesel–diesel
blends)
three
load
conditions
four
EGR
rates
15%).
results
indicate
that
addition
reduces
CO,
HC,
soot
emissions,
while
increasing
NOx
emissions.
Additionally,
rate
decreases
emissions
but
higher
levels
soot,
HC
Finally,
response
surface
methodology
used
elicit
characteristics.
determined
optimum
operating
100%
load,
6.9%
addition,
7.7%
EGR.
corresponding
BTE,
BSFC,
NOx,
38.15%,
282.62
g/(kW-h),
274.38
ppm,
410.37
respectively.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(15), P. 6642 - 6642
Published: Aug. 3, 2024
PM
(particulate
matter)
emissions
from
ships
are
the
main
sources
of
marine
atmosphere
pollution.
Controlling
particulate
matter
is
related
to
sustainable
development
shipping
industry.
To
reduce
four-stroke
diesel
engines,
DPFs
effective.
Our
results
show
that
DPF
had
more
than
90%
capturing
efficiency
for
both
number
and
mass
PM,
accumulation
mode
was
higher
nuclear
mode.
can
also
significantly
chemical
components
in
exhaust
gas.
The
removal
efficiencies
OC
EC
were
89.7–91.6%
84.8–92.8%,
respectively,
with
each
particle
size
range
showing
over
80%
efficiency.
SO42−
ion
highest
content,
followed
by
NH4+,
NO3−,
Na+,
NO2−,
Cl−,
their
reduced
proportions
remaining
consistent
matter.
effectively
PAH
content
toxicity.
use
greatly
improve
impact
ship
on
atmospheric
environment.
appropriate
best
performance
be
selected
according
parameters
distributions
different
characteristics.
Proceedings of the Institution of Mechanical Engineers Part E Journal of Process Mechanical Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 26, 2024
Repurposing
used
tires
into
fuel
could
help
address
environmental
degradation
and
the
fast
depletion
of
fossil
resources
to
some
extent.
In
this
work,
an
attempt
has
been
made
control
emissions
by
combining
modification
after
treatment
techniques.
Fuel
is
done
through
antioxidant
additive
addition
with
blend
mitigate
prompt
NOx
emission
catalytic
converter
for
additional
reduction.
The
test
results
indicate
that
tire
oil
may
be
a
good
substitute
fuels.
NO
were
reduced
15.3%
300
ppm
at
full
load.
Whereas
21.1%
incorporation
converter.
However,
maximum
reduction
achieved
was
30.5%
antioxidants
incorporating
