An experimental assessment of simultaneous reduction in vehicle tailpipe emissions employing desirability function analysis
Cleaner Engineering and Technology,
Journal Year:
2024,
Volume and Issue:
19, P. 100731 - 100731
Published: Feb. 12, 2024
In
vehicles
powered
by
fuel,
the
effort
to
minimize
CO
and
HC
emissions
through
various
strategies
leads
an
increase
in
CO2,
contributing
global
warming.
This
study
aimed
experimentally
assess
simultaneous
reduction
of
vehicle
tailpipe
CO,
HC,
CO2
using
desirability
function
analysis
(DFA).
On
predetermined
routes
Addis
Ababa
city,
two
were
tested
for
on-road
at
five
speeds
on
road
slopes
a
portable
tester.
Surface
plots
used
display
how
vary
with
changes
speed
gradient.
The
DFA
results
revealed
that
optimal
was
40
km/h
flat
route
30
2-degree
uphill,
composite
0.83
0.72,
respectively.
found
increased
2.82%,
18.97%,
5.28%
compared
optimized
km/h.
gradient,
traveling
20
exhibited
4%
emissions,
23.92%
decrease
1.26%
Adjusting
limits
accommodate
gradients
is
recommended
simultaneously
DFA.
approach
contributes
lowering
air
pollution
reducing
pollutant
from
speeds.
Language: Английский
Urban Traffic Noise Analysis Using UAV-Based Array of Microphones
Sensors,
Journal Year:
2023,
Volume and Issue:
23(4), P. 1912 - 1912
Published: Feb. 8, 2023
(1)
Background:
Transition
to
smart
cities
involves
many
actions
in
different
fields
of
activity,
such
as
economy,
environment,
energy,
government,
education,
living
and
health,
safety
security,
mobility.
Environment
mobility
are
very
important
terms
ensuring
a
good
urban
areas.
Considering
arguments,
this
paper
proposes
monitoring
mapping
3D
traffic-generated
noise
emissions
using
simple,
UAV-based,
low-cost
solution.
(2)
Methods:
The
collection
relevant
sound
recordings
is
performed
via
UAV-borne
set
microphones,
designed
specific
array
configuration.
Post-measurement
data
processing
filter
unwanted
vibrations
produced
by
the
UAV
rotors.
Collected
information
location-
altitude-labeled
ensure
profile
data.
(3)
Results:
Field
measurements
levels
directions
altitudes
presented
paperwork.
(4)
Conclusions:
solution
employing
for
environmental
results
being
minimally
invasive,
low-cost,
effective
rapidly
producing
pollution
maps
reports
future
improvements
road
infrastructure.
Language: Английский
Evaluating parcel delivery strategies in different terrain conditions
Vasco Silva,
No information about this author
Kristen Vidal,
No information about this author
Tânia Fontes
No information about this author
et al.
Transportation Research Part A Policy and Practice,
Journal Year:
2024,
Volume and Issue:
187, P. 104158 - 104158
Published: July 16, 2024
Language: Английский
The Concept of Determining Route Signatures in Urban and Extra-Urban Driving Conditions Using Artificial Intelligence Methods
Machines,
Journal Year:
2023,
Volume and Issue:
11(5), P. 575 - 575
Published: May 22, 2023
The
article
describes
the
implementation
of
road
driving
tests
with
a
vehicle
in
urban
and
extra-urban
traffic
conditions.
Descriptions
hardware
software
needed
for
archiving
data
obtained
from
vehicle’s
on-board
diagnostic
connector
are
presented.
Then,
routes
analyzed
using
artificial
intelligence
methods.
In
this
article,
reference
route
was
defined
as
trajectory
process,
represented
by
engine
rotational
speed,
acceleration
state
space.
space
separated
into
classes
based
on
results
cluster
analysis.
experiment,
five
were
clustered.
K-Means
clustering
algorithm
employed
to
determine
clusters
variant
without
prior
labelling
teaching
method
participation
teacher.
way,
trajectories
process
five-state
determined.
compares
signatures
created
Significant
differences
between
indicated.
Interesting
methods
displaying
saved
presented
potential
practical
applications
proposed
Language: Английский
Characteristics of Suspended Road Dust According to Vehicle Driving Patterns in an Urban Area and PM10 Content in Silt
Atmosphere,
Journal Year:
2023,
Volume and Issue:
15(1), P. 5 - 5
Published: Dec. 20, 2023
Characterizing
the
influence
factors
of
exhaust
gas
based
on
suspended
road
dust
paved
roads,
according
to
number
vehicles
and
their
distance
with
regard
driving
pattern,
is
important
in
order
provide
a
coefficient
for
patterns
find
model
equation.
This
has
been
limitation
previous
studies,
which
this
was
difficult
carry
out
large
area
reflecting
various
because
some
sections
were
selected
empirical
measurement
results,
only
one
vehicle
used
level
dust.
study
measured
concentration
that
could
occur,
depending
vehicle’s
patterns,
an
experimental
Yongin,
South
Korea,
from
May
July
2023.
The
conducted
determine
degree
effect
gas,
generated,
by
determining
separation
real-time
measurements.
attempted
changes
urban
areas
factor
emission
characteristics
terms
particulate
matter
diameter
10
microns
or
less
(PM10).
accordance
conditions
evaluated
using
mobile
laboratories,
suspended-PM10-concentration-measuring
equipment.
mainly
focused
following
main
topics:
(1)
increasing
at
than
m
intervals
produced
gas;
(2)
decreasing
increase
vehicles,
three
cars
front
showing
lowest
air
low
rear
vehicle;
(3)
demonstrating
PM10
effective
measuring
generation
dust;
(4)
evaluating
levels
section.
Based
research
necessary
more
appropriately
set
focus
analyses
aim
characterize
content
silt.
Language: Английский
The Classification of Work and Offenses of Professional Drivers from Slovakia and the Czech Republic
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(7), P. 3000 - 3000
Published: April 3, 2024
To
achieve
the
elimination
of
negative
impacts
transport
on
road
safety,
European
Union
is
taking
various
measures
resulting
from
its
commitment
to
improve
safety.
The
main
objective
this
paper
assess
impact
social
legislation
safety
using
real
research
and
identify
factors
influencing
violation
depending
type
carried
out
in
domestic
or
international
freight
transport.
Answers
respondents
are
used
segmentation
truck
drivers
based
input
data
describing
traffic
rules.
Two-step
cluster
analysis
a
suitable
method
for
data.
These
obtained
through
questionnaire
total
472
Czech
Slovak
drivers.
results
show
that
optimal
number
types
with
different
characteristics
four.
All
clusters
described
compared.
majority
do
not
violate
several
reasons,
such
as
accidents
(almost
67%),
complications
meeting
loading
unloading
deadline
(less
than
88%),
poorly
planned
routes
(more
90%)
driving
home
80%).
Language: Английский
Traffic emissions before and after development based on traffic impact assessment
Lee Vien Leong,
No information about this author
Shafida Azyanti Mohd Shafie
No information about this author
IOP Conference Series Earth and Environmental Science,
Journal Year:
2024,
Volume and Issue:
1368(1), P. 012012 - 012012
Published: June 1, 2024
Abstract
Traffic
impact
assessment
evaluates
the
traffic
conditions
in
vicinity
before
and
after
completion
of
a
new
development
as
will
generate
additional
vehicle
trips
on
road
contribute
to
rise
emission.
Thus,
this
study
aims
evaluate
proposed
Nibong
Tebal,
Penang,
existing
network
identify
necessary
improvements
ensure
all
intersections
perform
satisfactorily.
Additionally,
intersection’s
design
fuel
consumption
emissions
also
be
investigated.
During
morning
evening
rush
hours,
six
hours
manual
counts
were
conducted
at
ten
intersections.
The
collected
data
is
then
analyzed
determine
performance
intersection.
level
service,
based
delay
ratio
volume
over
capacity
turning
movement,
used
indicator
for
This
revealed
that
reduction
time
more
than
100
seconds
signalized
can
significantly
reduce
emissions.
In
conclusion,
well-designed
intersection
facilitate
movement
which
eventually
quantity
greenhouse
gases
released
into
atmosphere
global
climate
change.
Language: Английский
Analisis Emisi Gas Buang Kendaraan Pada Simpang Empat Titik Nol KM Yogyakarta
Albanna Sayf Aladl,
No information about this author
Budi Yulianto,
No information about this author
Setiono Setiono
No information about this author
et al.
Deleted Journal,
Journal Year:
2024,
Volume and Issue:
1(4), P. 12 - 12
Published: Aug. 22, 2024
Simpang
Empat
Titik
Nol
KM
Yogyakarta
menjadi
pusat
lalu
lintas
sebagi
pertemuan
jalur
utama
yang
menghubungkan
berbagai
wilayah
di
Kota
Yogyakarta.
Kendaraan
melintasi
simpang
ini
menghasilkan
kadar
emisi
gas
buang
kendaraan
signifikan
tiap
harinya.
Oleh
karena
itu,
diperlukan
kajian
untuk
mengoptimasi
kinerja
sehingga
dapat
meminimalisir
dihasilkan.
Analisis
menggunakan
perangkat
lunak
PTV
Vistro
metode
Highway
Capacity
Manual
(HCM)
2010
berdasarkan
nilai
derajat
kejenuhan
(DS)
dan
tundaan
(D),
pada
kondisi
eksisting
setelah
optimasi.
rumus
dari
LAPI-ITB.
Hasil
analisis
menunjukkan
adanya
peningkatan
ditandai
dengan
penurunan
dilakukan
optimasi
kinerja.
Kinerja
(D)
=
30,18
det/smp
22,3
jam
sibuk
pagi
serta
50,47
27,4
sore.
Peningkatan
berpengaruh
positif
menurunnya
Emisi
mengalami
sebesar
52,85%
63,26%
sore
dalam
semua
jenis
dianalisis.
Monitoring the load securing on semi-trailer when driving on the highway
Transportation research procedia,
Journal Year:
2023,
Volume and Issue:
74, P. 1419 - 1427
Published: Jan. 1, 2023
The
European
Agency
for
Safety
and
Health
at
Work
estimates
that
up
to
25%
of
heavy
vehicles
accidents
are
caused
by
insufficient
or
incorrect
cargo
securing.
For
this
reason,
care
must
be
taken
ensure
is
properly
secured.
But
do
this,
it
necessary
understand
the
forces
acting
on
how
they
affect
it.
One
acts
most
significantly
due
acceleration,
which
occurs
continuously
during
transport.
problem
arises
when
force
acceleration
greater
than
secures
cargo.
an
analysis
accelerations
occur
driving
highway
has
been
carried
out.
main
focus
thesis
short-term
driving.
From
analysis,
we
found
occurred
while
crossing
bridge.
This
was
expansion
joints
a
structural
component
bridges.
A
video
route
in
question
also
out
all
bumps
have
very
similar
pattern
therefore
impact
As
well,
detailed
specific
bridge
with
included
paper,
will
allow
better
understanding
behave.
Language: Английский