Environmental Progress & Sustainable Energy,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 5, 2025
Abstract
Photovoltaic
(PV)
panel
overheating
conditions
represent
a
crucial
problem
since
temperature
elevations
above
standard
test
(STC)
decrease
productivity
and
operational
lifespan.
The
research
explores
experimental
methods
to
reduce
PV
working
temperatures.
A
water
spray
cooling
system
operated
on
natural
sawdust
fibers,
which
were
positioned
behind
the
photovoltaic
surface.
process
achieves
heat
dispersion
from
surfaces
through
evaporation.
Testing
was
done
three
modules
under
conditions,
including
bare
system,
(PV/W)
cooled
by
dushing
way,
third
(PV/SW)
covered
novel
rear
layer.
surface
assessment
revealed
that
PV/SW
attained
reduction
of
27%
compared
16%
relative
PV/W
system.
produced
43%
improvement
in
average
electrical
efficiency
achieved
improved
12%
Implementing
layers
prolonged
wet
boosted
its
power.
authors
examined
uniformity
their
technique
because
uneven
distribution
could
cause
significant
damage.
International Journal of Energy Research,
Год журнала:
2025,
Номер
2025(1)
Опубликована: Янв. 1, 2025
Photovoltaic
(PV)
systems
suffer
from
significant
efficiency
losses
due
to
temperature
rise
during
operation,
while
existing
cooling
solutions
often
require
excessive
pumping
power
(PP)
that
reduces
the
net
system
output.
Traditional
optimization
approaches
have
typically
focused
on
either
thermal
or
PP
independently,
creating
a
critical
gap
in
achieving
optimal
overall
performance.
This
study
presents
an
innovative
framework
uniquely
combines
Taguchi
method
with
multigenetic
algorithm
simultaneously
maximize
and
minimize
PV–thermal
(PVT)
collectors
using
nanofluids—a
combination
not
previously
explored
literature.
In
this
research,
standard
flat
plate
collector,
including
copper
circular
tubes,
is
attached
backside
of
PV
panel.
The
present
focuses
developing
three‐dimensional
(3‐D)
solar
PVT
collector
oxide
(CuO)
nanofluid.
Influential
parameters
such
as
fluid
flow
rate,
inlet
temperature,
nanofluid
volume
fraction,
number
tube
diameter
were
investigated.
effects
studied
experimental
design
method.
Optimal
results
based
show
model
leads
increase
about
80%
86%
reduction
compared
initial
state.
Moreover,
most
effect
related
volumetric
rate
diameter.
Compared
state,
result
single
objective
indicated
pressure
drop
increases
by
98%
140%,
respectively.
