Polymers,
Год журнала:
2024,
Номер
16(13), С. 1951 - 1951
Опубликована: Июль 8, 2024
This
work
proposes
for
the
first
time
protecting–reflecting
on
both
sides
of
plated
mirrors
and
a
solution
to
polycarbonate
surface
vulnerability
weathering
scratching
using
tungsten
disulfide
(WS2)
by
mechanical
polishing.
The
ability
dynamic
chemical
plating
(DCP)
technique
deposit
Ag
films
at
nanometer
scale
(PC)
substrate
its
characteristics
be
metallized
is
also
shown.
These
deposits
hold
significant
promise
concentrated
solar
power
(CSP)
applications.
Complementarily,
application
WS2
as
reflective
film
CSP
polishing
smooth
surfaces
novel
practical.
innovative
scalable
without
needing
reactants
or
electrical
potential,
making
it
highly
applicable
in
real-world
scenarios,
including,
potentially,
on-site
maintenance.
effects
morphology
adhesion,
reflectivity
parameters
silver
metallic
were
investigated.
Wettability
was
investigated
because
important
polymeric
activation
metal
deposition
immediately
after
redox
reactions.
flame
improved
wettability
modifying
with
carbonyl
carboxyl
functional
groups,
PC
among
few
industrial
polymers
that
resisted
such
part
process.
change
composition,
roughness,
effectively
adhesion
between
substrate.
However,
did
not
significantly
affect
showed
possible
implementation
mirror.
Overall,
this
provides
scalable,
method
improving
durability
polycarbonate-based
mirrors,
implications
Energies,
Год журнала:
2025,
Номер
18(1), С. 198 - 198
Опубликована: Янв. 5, 2025
Concentrated
Solar
Power
(CSP)
plants
integrated
with
Thermal
Energy
Storage
(TES)
represent
a
promising
renewable
energy
source
for
generating
heat
and
power.
Binary
molten
salt
mixtures,
commonly
referred
to
as
Salts,
are
utilized
effective
transfer
fluids
storage
media
due
their
thermal
stability
favorable
thermophysical
properties.
However,
these
mixtures
pose
significant
challenges
high
solidification
temperatures,
around
240
°C,
which
can
compromise
the
longevity
reliability
of
critical
system
components
such
pressure
sensors
bellows
seal
globe
valves.
Thus,
it
is
essential
characterize
performance,
assess
under
various
conditions,
understand
failure
mechanisms,
particularly
in
relation
temperature
fluctuations
affecting
fluid’s
viscosity.
This
article
discusses
experimental
tests
conducted
on
sensor
valve,
both
designed
direct
contact
salts
CSP
environments,
at
ENEA
Casaccia
Research
Center
laboratory
Rome.
The
methodology
conducting
detailed,
guidelines
outlined
optimize
plant
operation.
findings
provide
insights
improving
component
design
maintenance
minimize
unplanned
downtime.
They
also
offer
methodologies
installing
measurement
instruments
electrical
heating
systems
components.
Energies,
Год журнала:
2025,
Номер
18(9), С. 2299 - 2299
Опубликована: Апрель 30, 2025
With
the
accelerated
transition
of
global
energy
structure
towards
decarbonization,
share
PV
power
generation
in
system
continues
to
rise.
IEA
predicts
will
account
for
80%
new
renewable
installations
during
2025–2030.
However,
latent
faults
emerging
from
long-term
operation
photovoltaic
(PV)
plants
significantly
compromise
their
operational
efficiency.
The
existing
EL
detection
methods
face
challenges
including
grain
boundary
interference,
probe
band
artifacts,
non-uniform
luminescence,
and
complex
backgrounds,
which
elevate
risk
missing
small
defects.
In
this
paper,
we
propose
a
high-precision
defect
method
based
on
BiFDRep-YOLOv8n
target
defects
plants,
aiming
improve
accuracy
real-time
performance
provide
an
efficient
solution
intelligent
plants.
Firstly,
visual
transformer
RepViT
is
constructed
as
backbone
network,
dual-path
mechanism
Token
Mixer
Channel
Mixer,
achieve
local
feature
extraction
information
modeling,
combined
with
structural
reparameterization
technique,
enhance
sensitivity
detecting
Secondly,
multi-scale
characteristics
defects,
neck
network
optimized
by
introducing
bidirectional
weighted
pyramid
(BiFPN),
adopts
adaptive
weight
allocation
strategy
fusion
characterization
at
different
scales.
Finally,
head
part
uses
DyHead-DCNv3,
combines
triple
attention
scale,
space,
task
awareness,
introduces
deformable
convolution
(DCNv3)
modeling
capability
irregular
Applied Energy,
Год журнала:
2024,
Номер
367, С. 123345 - 123345
Опубликована: Май 14, 2024
As
the
proportion
of
behind-the-meter
(BTM)
renewable
energy
resources
(RERs)
in
distribution
network
continues
to
rise,
precise
role
RERs
flexibility
market,
whether
as
"Recipients"
or
"Providers",
is
becoming
less
distinct.
This
observation
has
led
us
explore
integration
flexible
load
and
into
markets.
Such
facilitates
resource
sharing
among
multiple
microgrids
(MGs).
paper
focuses
on
potential
emergence
a
secondary
(SecFlex)
market
power
sector
high
proportional
BTM-RERs
microgrids.
Within
concept
SecFlex
this
outlines
comprehensive
process
supporting
trading,
which
includes
"SecFlex
organization–trading
volume
collation–response
schedule
optimization".
At
first,
mechanism
proposed,
where
players
submit
an
empirical
curve
organizer.
During
clearing
stage,
social
welfare
equilibrium
problem
solved.
Subsequently,
trading
adjusted
collation
stage
account
for
(DN)
voltage
magnitude
balance.
Finally,
response
strategy
designed
analyze
behaviors
players.
The
cvxpy
framework
used
solve
competitive
paper.
results
show
significant
cost
reductions
two
players,
by
77.8%
24.0%
respectively.
However,
costs
Player
3
have
increased
substantially,
up
4.6
times
baseline
when
limited.
These
findings
provide
theoretical
guidance
development
market.
