Case Studies in Thermal Engineering,
Год журнала:
2023,
Номер
45, С. 103024 - 103024
Опубликована: Апрель 20, 2023
Phase
change
material
(PCM)
is
a
predominant
storage
that
enables
higher
cooling
effect
over
sensible
heat
materials
without
the
assistance
of
working
fluid.
In
this
study,
novel
PCM
infused
finned,
and
mesh
finned
containers
are
developed
to
help
photovoltaic
(PV)
in
operation
by
reducing
conduction
resistance.
The
designed
container
integrated
underneath
back
surface
PV
module
experimented
under
controlled
weather
conditions
(indoor).
Fins
attached
behind
any
intermediate
layer
favors
transferring
from
top
bottom
fin
as
single
unit.
main
benefit
PCM-infused
enhances
liquid
flow
movement
throughout
morphology
dissipation
rate
increases
between
its
surroundings.
Moreover,
incorporating
metal
inside
resulting
control
barrier
increased
transfer
rate.
It
found
based
shows
an
excellent
performance
enhancement
85th
150th
minutes
with
peak
2.20%
corresponding
electrical
power
energy
productions
2.01%
2.71%,
respectively
compared
container.
statistical
approach
on
ambient
temperature
has
strong
positive
correlation
rise
degradation.
Furthermore,
it
recommended
suitable
for
tropical
climatic
improve
output.
Energy Conversion and Management,
Год журнала:
2022,
Номер
255, С. 115278 - 115278
Опубликована: Фев. 9, 2022
Photovoltaic
(PV)
panels
convert
a
portion
of
the
incident
solar
radiation
into
electrical
energy
and
remaining
(>70
%)
is
mostly
converted
thermal
energy.
This
trapped
within
panel
which,
in
turn,
increases
temperature
deteriorates
power
output
as
well
efficiency.
To
obtain
high-efficiency
photovoltaics,
effective
management
systems
utmost.
article
presents
comprehensive
review
that
explores
recent
research
related
to
solutions
applied
photovoltaic
technology.
The
study
aims
at
presenting
wide
range
proposed
alternatives
terms
design
approaches
concepts,
operational
methods
other
techniques
for
performance
enhancement,
with
commentary
on
their
associated
challenges
opportunities.
Both
active
passive
are
presented,
which
classified
discussed
detail,
along
results
from
breadth
experimental
efforts
improvements.
Approaches
relying
radiative,
convective
heat
transfer
principles
using
air,
water,
pipes,
phase
change
materials
and/or
nanoparticle
suspensions
(nanofluids)
heat-exchange
media,
while
including
summaries
unique
features,
advantages,
disadvantages
possible
applications.
In
particular,
hybrid
photovoltaic-thermal
(PV-T)
collectors
use
coolant
capture
waste
order
deliver
an
additional
useful
also
reviewed,
it
noted
this
technology
has
promising
potential
delivering
conversion.
can
act
guide
community,
developers,
manufacturers,
industrialists
policymakers
design,
manufacture,
application
promotion
high-performance
photovoltaic-based
technologies
systems.
Alexandria Engineering Journal,
Год журнала:
2024,
Номер
94, С. 55 - 67
Опубликована: Март 21, 2024
Photovoltaic
modules
are
impacted
by
overheating,
which
degrades
their
conversion
efficiency
and
shortens
lifespan.
This
work
attempts
to
study
the
cooling
potential
for
a
hybrid
photovoltaic/thermal
(PV/T)
system
employing
CuO
Fe2O3
nanofluids
with
0.2%
0.3%
volume
fractions
(φ),
circulated
in
heat
exchanger
attached
at
rear
side
of
PV
module
lower
temperature
cells
improve
its
energy
exergy
efficiencies.
Consequently,
2D
numerical
model
was
analysed
given
balance
across
PV/T
layers,
is
evaluated
line
measured
experimental
data.
The
results
indicate
that
successfully
synthesised
nanomaterials
could
performance
increase
exchange
between
reducing
cells'
23.49%
34.58%
when
φ=0.3%.
Compared
uncooled
module,
electrical
has
increased
9.21%
10.30%,
while
thermal
38.9%
43.3%
under
nanofluids,
respectively.
Thereby,
destruction
(exergy
losses)
entropy
generation
have
decreased
about
26%
68%
nanofluid,
improved
13%
more
than
nanofluid.
Energies,
Год журнала:
2025,
Номер
18(3), С. 452 - 452
Опубликована: Янв. 21, 2025
Photovoltaic–thermal
(PVT)
applications
have
been
widely
studied
in
recent
years,
though
commercialisation
has
become
critical
due
to
their
operational
characteristics
and
size.
In
this
study,
a
portable
PVT
system
was
developed
for
mobilisation
with
assistance
from
an
organic
phase-change
material
(PCM).
Two
different
PCM
composites
were
using
the
charcoal
(PCM
+
C)
metal
flakes
C
M).
Considering
portability
of
system,
conventional
metal-container-based
storage
units
avoided,
shape-stabilised
PCMs
(SS-PCMs)
fitted
directly
on
back
surface
PV
module.
Further,
serpentine
copper
tube
placed
SS-PCMs
extract
heat
energy
hot
water
applications.
It
found
that
PVPCM+C+M
exhibited
higher
cooling
rate,
peak
reductions
24.82
°C
4.19
compared
PVnoPCM
PVPCM+C,
respectively.
However,
PVPCM+C
outlet
temperature
difference
11.62
°C.
Secondly,
increase
more
than
0.2
litres
per
minute
showed
declining
trend
primary
concern
electrical
power
generation,
it
concluded
is
suitable
applications,
owing
having
shown
highest
thermal
190
g
1-Watt
(TCPW)
effect
2.482
comparison,
achieved
TCPW
1.399