Electrical Output Stabilization of Nanofluid Spectral Splitting Photovoltaic/Thermal System by Regulating Parameters Based on Machine Learning Algorithms
Опубликована: Янв. 1, 2025
The
nanofluid
spectral
splitting
photovoltaic/thermal
(NSS-PV/T)
system
offers
flexible
regulation
compared
to
traditional
PV/T
systems,
enabling
more
thorough
thermal
and
electrical
output
regulation.
However,
there
is
currently
a
lack
of
research
on
regulating
the
NSS-PV/T
achieve
stable
output.
Therefore,
this
paper
provided
two
methods
parameter
stepping
optimization
that
were
applicable
in
both
single
multi-parameter
application
conditions.
Firstly,
energy
equilibrium
model
was
used
calculate
multiple
sets
parameters,
simulating
actual
operating
conditions
serving
as
training
data
train
subsequent
prediction
models.
Based
typical
daily
radiation
data,
lowest
during
study
period
determined
standard
system.
Channel
thickness,
inlet
temperature,
concentration
considered.
Two
machine
learning
algorithms,
including
support
vector
particle
swarm
optimization-back
propagation
neural
network,
employed
design
Subsequently,
performed
using
pattern
search
algorithms.
results
illustrate
relative
errors
do
not
exceed
0.070%,
0.099%,
0.120%,
respectively.
are
than
0.369%.
models
convenient
simple,
but
still
face
challenges
parameters
with
weak
influences
deviate
significantly
from
standard.
method
can
lower
deviations,
variations
smaller
optimization,
which
further
reduce
fluctuations
improve
speed.
Язык: Английский
Performance evaluation of a semi-transparent cells filtered concentrated photovoltaic/thermal system
Applied Thermal Engineering,
Год журнала:
2025,
Номер
unknown, С. 125760 - 125760
Опубликована: Янв. 1, 2025
Язык: Английский
Advanced building utility systems: Utilizing a thermal wheel and a photovoltaic/thermal system equipped with a nanofluid/nano-enhanced PCM-based spectral splitter
Energy and Buildings,
Год журнала:
2025,
Номер
unknown, С. 115669 - 115669
Опубликована: Март 1, 2025
Язык: Английский
Investigation of sensitivity analysis for hybrid photovoltaic/thermal system based on splitting nanofluid
Energy Conversion and Management,
Год журнала:
2024,
Номер
315, С. 118791 - 118791
Опубликована: Июль 17, 2024
Язык: Английский
PV/T System Application for Renewable Heat and Electric Energy in Buildings: Performance and Techno-Economic Analysis
Isı Bilimi ve Tekniği Dergisi,
Год журнала:
2024,
Номер
44(2), С. 359 - 373
Опубликована: Окт. 22, 2024
Electricity
and
thermal
energy
are
used
extensively
in
residential
buildings.
Meeting
these
needs
with
different
systems
cause
loss
of
efficiency,
an
increase
initial
investment
cost
which
critical
when
making
decisions.
Therefore,
photovoltaic
(PV/T)
to
reduce
the
economic
burden
home
users.
In
this
article,
it
is
aimed
determine
performance
PV/T
system
make
analysis
by
considering
instantaneous
electrical
efficiency.
Net
present
value
(NPV),
payback
period
(PBP)
levelized
(LCOE)
values
were
evaluate
economically.
The
novelty
study
efficiency
collectors,
ambient
temperature
as
well
main
water
was
taken
into
consideration
heat
be
produced
calculated
taking
on
hourly
basis.
Also,
losses
annual
degradation
entire
included
calculation.
As
a
result
analyses,
LCOE,
NPV,
PBP,
average
efficiencies
found
0.0911
€/kWh,
2718.5
€,
6
years,
14.7%
62.3%,
respectively,
for
project
size
8.96
m2
25-year
life
cycle.
Язык: Английский
Energy, Exergy, Economic and Exergoeconomic (4E) Analysis of a High-Temperature Liquid CO2 Energy Storage System: Dual-Stage Thermal Energy Storage for Performance Enhancement
Renewable Energy,
Год журнала:
2024,
Номер
unknown, С. 122069 - 122069
Опубликована: Дек. 1, 2024
Язык: Английский
Novel design and performance analysis of a selectively filtered nanofluid spectrum semi-trough solar concentrated photovoltaic/thermal system
Energy Sources Part A Recovery Utilization and Environmental Effects,
Год журнала:
2024,
Номер
46(1), С. 12130 - 12147
Опубликована: Авг. 28, 2024
In
this
paper,
the
main
novelty
is
proposal
and
performance
analysis
of
a
novel
selectively
filtered
nanofluid
spectrum
semi-trough
solar
concentrated
photovoltaic-thermal
(SPVT)
system.
Experimental
preparation
optical
tests
Ag-CoSO4/water
are
conducted.
The
selected
for
SPVT
system
has
an
average
absorptance
53.5%
transmittance
46.5%
in
250.0
~
2500.0
nm.
results
show
that
efficiency
94.3%
under
filtering
condition.
When
tracking
error
increases
to
0.3°,
can
still
be
kept
at
84.8%.
This
means
relatively
good
adaptability
on
error.
operation
indicate
condition,
electric
power
photo-electric
PV
subsystem
392.1
W
30.9%,
thermal
40.7%.
Effects
four
factors
evaluated,
which
inlet
flow
velocity
temperature,
environmental
temperature
convection
heat
transfer
coefficient
between
channel
air.
improved
by
properly
increasing
or
reducing
from
0.002
m/s
0.004
m/s,
40.9%
50.7%,
with
increased
6.0°C
14.0°C,
decreases
48.6%
45.6%.
paper
provide
certain
reference
research
development
works
PVT
systems
future.
Язык: Английский