Ciência e Agrotecnologia,
Journal Year:
2024,
Volume and Issue:
48
Published: Jan. 1, 2024
ABSTRACT
Environmental
conditions
in
hot
and
humid
climates
are
highly
unfavorable
for
grain
storage,
often
leading
to
pest
infestations
that
can
cause
irreversible
damage
the
stored
product.
This
study
evaluated
effects
of
compressor
blower
rotations
on
psychrometric
properties
air
a
cooling
system
designed
storage.
Conducted
Dourados,
Mato
Grosso
do
Sul,
Brazil,
experiment
utilized
an
Autonomous
System
Cooling
Psychrometric
Control
Grain
Storage
Conditions
(SIARCONPAG),
which
adjusts
exit
maintain
hygroscopic
balance
grains
tropical
environments.
Tests
were
performed
three
different
operating
modes,
varying
temperature
relative
humidity
inlet
air.
Results
showed
significantly
affected
output
The
system,
tested
under
controlled
conditions,
reduced
average
storage
by
up
5
°C
maintained
between
60-65%,
is
ideal
preservation.
system’s
energy
consumption
was
optimized,
achieving
20%
greater
efficiency
compared
traditional
systems.
SIARCONPAG
effectively
manipulated
with
isothermal
humidifier
secondary
condenser
adapting
both
low
high
levels.
results
suggest
provides
efficient
solution
controlling
regions,
reducing
post-harvest
losses
contributing
food
security.
advances
development
technologies
supports
more
sustainable
agricultural
practices.
Desalination and Water Treatment,
Journal Year:
2024,
Volume and Issue:
318, P. 100344 - 100344
Published: April 1, 2024
Water
scarcity
is
an
important
global
issue
that
necessitates
the
development
of
sufficient
and
sustainable
desalination
technologies.
This
study
forecasts
productivity
two
solar
distillation
technologies,
namely
conventional
tubular
still
(TSS)
convex
(CTSS).
The
research
objectives
included
assessing
distillate
yield
both
stills
investigating
application
advanced
gradient
boosting
machine
learning
(ML)
technique
for
forecasting
production.
Compared
to
TSS,
CTSS
demonstrated
a
calculated
increase
in
which
indicates
its
potential
as
effective
water
technology.
correlation
analysis
revealed
TSS
exhibited
10
significant
correlations
while
4
correlations.
model
exceptional
predictive
precision
stills.
R-squared
(R2)
was
0.86,
Root
Mean
Squared
Error
(RMSE)
58.2%,
Coefficient
Variation
(CVRMSE)
29.3%.
In
contrast,
displayed
impressive
performance
metrics,
including
R2
value
0.99,
RMSE
1.2%,
CVRMSE
4%.
Valuable
insights
were
provided
enhancement
stills,
addition
highlighting
ML
techniques
accurately
predicting
productivity.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(13), P. e34202 - e34202
Published: July 1, 2024
Predictive
maintenance
to
avoid
fatigue
and
failure
enhances
the
reliability
of
mechanics,
herewith,
this
paper
explores
vibrational
time-domain
data
in
advancing
fault
diagnosis
predictive
maintenance.
This
study
leveraged
a
belt-drive
system
with
properties:
operating
rotational
speeds
500–2000
RPM,
belt
pretensions
at
70
150
N,
three
operational
cases
healthy,
faulty
unbalanced,
which
leads
12
studied
cases.
In
analysis,
two
one-axis
piezoelectric
accelerometers
were
utilized
capture
vibration
signals
near
driver
pulley.
Five
advanced
statistics
calculated
during
signal
processing,
namely
Variance,
Mean
Absolute
Deviation
(MAD),
Zero
Crossing
Rate
(ZCR),
Autocorrelation
Coefficient,
signal's
Energy.
The
Taguchi
method
was
used
test
five
selected
features
on
basis
Signal-to-Noise
(S/N)
ratio.
For
classifications,
an
expert
based
artificial
intelligence
where
Random
Forest
(RF)
model
trained
untraditional
parameters
for
optimizing
accuracy.
resulted
0.990
0.999,
accuracy
AUC,
demonstrate
RF
model's
high
dependability.
Evidently,
methodology
highlights
potential
when
progressed
into
systems,
advances
strategies
systems.
Journal of Open Innovation Technology Market and Complexity,
Journal Year:
2024,
Volume and Issue:
10(2), P. 100275 - 100275
Published: April 12, 2024
The
propulsion
of
economic
growth
is
a
multifaceted
construct,
influenced
by
technology,
capital,
and
resource
management,
with
Small
Medium-sized
Enterprises
(SMEs)
being
significant
contributors
to
innovation
employment.
This
study
examines
the
Scottish
SMEs
across
four
sectors
over
14-year
period
(2008-2021)
employing
novel
statistical
approach
understand
their
development
trajectories
within
framework
open
innovation.
paper
engaged
in
longitudinal
analysis
assess
trends
inform
policy
for
sustainable
utilization
open-access
data.
Theoretical
metrics
such
as
Average
Growth
Rate,
Compound
Rate
(CAGR),
Year-Over-Year
(YoY)
were
applied
evaluate
sectoral
performance.
findings
revealed
varied
patterns;
information
technology
sector
exhibited
robust
increase,
while
telecommunications
showed
percentage
growth.
Conversely,
Information
Communication
Technologies
(ICT)
experienced
decline
that
suggests
potential
market
gap.
An
affirmative
trajectory
CAGR
was
observed
most
except
ICT,
which
corroborates
shift
technological
evolution
needs.
illuminates
dynamic
landscape
SMEs,
telecoms
emerging
prosperous
terms
rates,
thus
indicates
shifting
focus.
study's
limitations
are
briefly
discussed,
addition
need
updated
databases
further
research
predictive
modeling
machine
learning
enhance
forecasting
capabilities
foster
development.
Desalination and Water Treatment,
Journal Year:
2024,
Volume and Issue:
319, P. 100545 - 100545
Published: June 19, 2024
Population
growth,
urbanization,
and
the
effects
of
climate
change
all
exacerbate
problem
global
water
scarcity,
which
poses
a
serious
obstacle
to
sustainable
development.
Solar
distillation
emerges
as
critical
solution,
converting
brackish
or
saline
into
potable
using
alternative
energy.
Despite
wealth
information
on
solar
still
adaptations,
identifying
most
efficient
design
for
residential
industrial
settings
remains
challenging.
Hence,
comparative
analysis
various
designs
is
essential,
considering
practical
financial
aspects.
This
study
aims
showcase
work
researchers
who
are
trying
make
systems
more
productive
by
looking
at
new
techniques
used
in
spherical
pyramidal
stills.
The
goal
this
research
identify
variables
that
influence
efficiency,
enabling
achievement
desired
results
with
ease.
Researchers
have
investigated
interventions,
such
integrating
moving
parts
other
components,
modifying
basin's
shape
size,
incorporating
filaments
wick,
reducing
surface
tension
through
use
floats
balls,
magnetic
fields,
improving
electric
field.
According
research,
field
(220
mT)
above
below
basin
increases
molecular
motion
evaporation,
resulting
41
%
efficiency
gain.
Spherical
stills
don't
require
tracking
because
their
uniform
exposure
radiation
makes
them
than
pyramid
Reviews
find
adding
rotating
ball
phase-changing
materials
significantly
enhances
stills,
making
best
design.
Mirrors
reflect
sunlight;
an
overview
related
literature
shows
it
leads
additional
production.
Future
will
focus
comprehending
annual
production
rates
associated
costs,
aiming
enhance
our
application
strategies
technology.
e-Prime - Advances in Electrical Engineering Electronics and Energy,
Journal Year:
2024,
Volume and Issue:
9, P. 100674 - 100674
Published: July 4, 2024
The
increasing
demand
for
sustainable
and
renewable
energy
solutions
reflects
the
critical
importance
of
advancing
photovoltaic
(PV)
technology
its
operational
efficiency.
In
response,
this
study
introduces
a
novel
application
k-Nearest
Neighbor
(k-NN)
algorithm
to
assess
reliability
applicability
solar
panel
simulation
data
which
aimed
classify
current
states
partial
shading,
open,
short
circuit
conditions,
alongside
regression-based
analysis
predicting
specific
operating
parameters.
research,
published
dataset
that
involved
various
PV
module
configurations
under
different
environmental
conditions
was
tested
evaluated.
k-NN
technique
applied
both
status
predict
performance
metrics
modules.
diagnosis
model
demonstrated
an
accuracy
99.2
%
F1
score
%,
indicating
high
degree
in
identifying
Concurrently,
regression
exhibited
Root
Mean
Square
Error
(RMSE)
0.036
R2
value
unity
showcased
effectiveness
parameters
based
on
data.
concluded
results
are
further
enriching
simulation-based
generation
be
endorsed
implemented
before
jumping
into
real
experimental
applications,
addition
highlighting
potential
machine
learning
cells
productivity
statistical
analysis.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Aug. 10, 2024
Fault
detection
and
isolation
in
unmanned
aerial
vehicle
(UAV)
propellers
are
critical
for
operational
safety
efficiency.
Most
existing
fault
diagnosis
techniques
rely
basically
on
traditional
statistical-based
methods
that
necessitate
better
approaches.
This
study
explores
the
application
of
untraditional
feature
extraction
methodologies,
namely
Permutation
Entropy
(PE),
Lempel-Ziv
Complexity
(LZC),
Teager-Kaiser
Energy
Operator
(TKEO),
PADRE
dataset,
which
encapsulates
various
rotor
configurations.
The
extracted
features
were
subjected
to
a
Chi-Square
(χ
FME Transaction,
Journal Year:
2024,
Volume and Issue:
52(3), P. 471 - 485
Published: Jan. 1, 2024
Wind
turbines
play
a
role
in
the
adoption
of
renewable
energy
production,
but
they
are
susceptible
to
shutdowns
that
require
thorough
monitoring.
Gearbox
failures
an
issue
leading
maintenance
and
operational
downtime.
This
study
investigates
application
machine
learning
methods
enhance
diagnosis
gearbox
problems
using
vibration
analysis.
Through
fault
scenarios
impact
bearings
gears,
researchers
successfully
extracted
time
domain
features
from
data
750
kW
turbine
testbed
order
detect
indications
damage.
Support
Vector
Machine
(SVM),
Naive
Bayes,
K
Nearest
Neighbour
(KNN)
models
were
used
classify
faults.
Among
these
models,
Bayes
achieved
accuracy
rate
95.7%,
which
exceeded
established
benchmarks.
The
probabilistic
approach
was
able
associate
symptom
characteristics
with
patterns.
Intelligent
monitoring
systems
could
improve
efficiency.
data-driven
highlights
potential
supporting
wind
power
development
by
eliminating
inefficiencies
improving
reliability,
further
research
is
being
conducted
ensure
this
works
concert
diversity
real
world.
shows
how
contributing
advances
helping
analyze
predictive
prevent
costly
failures.
Proceedings of the Institution of Mechanical Engineers Part A Journal of Power and Energy,
Journal Year:
2024,
Volume and Issue:
238(7), P. 1261 - 1296
Published: July 22, 2024
Solving
global
water
shortages
has
become
an
urgent
challenge,
hindering
sustainable
development.
Therefore,
comparing
different
solar
still
designs
from
application
and
economic
perspectives
is
necessary.
Solar
distillation
considered
a
major
innovation
in
the
alternative
energy
sector
for
purifying
brackish
or
brine
into
clean
water.
Despite
extensive
literature
on
improved
stills,
determining
most
efficient
residential
industrial
applications
remains
difficult.
This
review
compares
productivity
of
spherical,
hemispherical,
tubular
designs.
The
aim
to
study
factors
that
influence
efficiency
each
type
analyze
recent
research
results
obtained
under
conditions.
show
innovations
design
can
take
many
forms
improve
productivity.
For
example,
adding
parabolic
mirrors
increase
stills
by
35
70%.
Likewise,
innovative
such
as
rotating
spheres
changing
bowl
shapes
significantly
increased
spherical
hemispherical
stills.
retrofitting
with
vacuum
generation
technology
yields
50
In
addition,
using
nanomaterials,
especially
nanophase
change
materials
(NPCM),
116.5%,
producing
7.62
kg/m
2
per
day.
NPCM-equipped
model
was
option
among
three