Energies,
Год журнала:
2023,
Номер
17(1), С. 72 - 72
Опубликована: Дек. 22, 2023
This
article
explores
the
efficiency
of
photovoltaic
(PV)
panels,
which
is
crucial
in
search
for
sustainable
energy
solutions.
The
study
presents
a
comprehensive
analysis
maximum
solar
potential
achievable
through
technologies
amidst
increasing
global
demands.
research
examines
radiation
measurement
techniques,
incidence
angle
rays,
and
intricacies
PV
panel
efficiency.
It
highlights
improving
performance
solar-based
systems.
Four
main
sections
are
covered,
beginning
with
an
introduction
to
importance
storage
production,
especially
context
European
Union’s
goals
Green
Deal.
following
discuss
precision
needed
geographical
positioning
systems,
impact
light
physics,
variable
weather
conditions
on
capture.
last
section
novel
clock
algorithm
regulation
system
designed
enhance
system.
Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering Science,
Год журнала:
2024,
Номер
238(16), С. 8431 - 8445
Опубликована: Март 14, 2024
Among
the
various
solar
technologies,
power
tower
(SPT)
technology
is
being
widely
used
for
large-scale
energy
generation.
Therefore,
this
work
developed
a
trigeneration
system
SPT
plant
that
produces
power,
heating
and
cooling
at
low
temperature
efficiently
from
high
heat
source.
In
order
to
create
(at
−20°C)
benefits
food
preservation,
unit
integrates
cascaded
vapor
compression-absorption
refrigeration
combined
with
helium
Brayton
cycle
The
exergy-energy
analysis
was
performed
by
numerical
technique
using
engineering
equation
solver
software
evaluate
performance
of
proposed
plant.
output,
exergy
efficiency
were
found
as
14,865
kW,
39.53%
28.82%,
respectively.
coefficient
performances
values
observed
0.5391
1.539,
Exergy
evaluation
revealed
approximately
78.18%
total
destruction
entire
attributed
subsystem
only.
Furthermore,
parametric
investigation
shows
evaporator,
generator
turbine
inlet,
heliostat
receiver
all
have
significant
impact
on
performance.
comparative
relevant
previous
studies
has
shown
outperforms
systems
based
supercritical
CO
2
cycles
Rankine
cycles.
Physical Chemistry Chemical Physics,
Год журнала:
2024,
Номер
26(18), С. 13909 - 13914
Опубликована: Янв. 1, 2024
We
propose
a
tungsten-only
emitter
with
over
90%
emissivity
in
the
wavelength
range
of
950–1590
nm
and
lower
exceeding
2000
nm,
which
can
effectively
match
GaSb
cells
for
thermoelectric
conversion.
The
purpose
of
this
study
is
to
numerically
investigate
the
performance
a
solar
physical
surface
absorption
cooling
system,
in
which
activated
carbon/methanol
used
as
working
pair,
placed
inside
parabolic-shaped
collector.
governing
mathematical
model
issue
based
on
equations
conservation
mass,
energy,
and
thermodynamics
process.
are
discretized
using
fully
implicit
finite
difference
method,
Fortran
computer
program
was
simulated.
A
comparison
with
results
previous
laboratory
numerical
studies
validated
model.
At
each
point
bed,
temperature,
pressure,
mass
refrigerant
absorbed
during
absorption/discharge
process
were
calculated.
In
addition,
effects
bed
diameter,
amount
radiation,
source
pressure
evaporator
condenser
investigated
coefficient
specific
power
system.
According
built
conditions
capacity
system
equal
0.12
45.6
W/kg,
respectively.
