Alexandria Engineering Journal,
Год журнала:
2023,
Номер
74, С. 121 - 138
Опубликована: Май 17, 2023
An
optimum
process
with
a
novel
method
for
improving
the
thermodynamic
efficiency
of
conventional
post-combustion
based
on
mono-ethanolamine
(MEA)
30
wt%
solvent
is
presented.
The
presented
process,
by
preheating
rich
stream
twice
and
using
lean
vapor
compression
(LVC),
causes
regeneration
energy
(Eregen)
to
decrease,
exergy
desorption
column
increase,
net
CO2
emission
diminish.
According
simulation
results,
in
base
3.47
GJ/tCO2
has
value
2.77
proposed
scheme,
which
exhibits
20.17%
decrease.
analysis
showed
that
contributes
most
destruction
process.
performed
analysis,
reduces
from
476.67
kW
257.48
kW,
shows
45.98%
Under
these
conditions,
improved
12.2%.
Comparing
Eregen
parameter
previous
studies
demonstrated
scheme
this
paper
significant
superiority
regarding
optimizing
reboiler's
energy.
Due
addition
compressor,
heat
exchanger,
expansion
valve,
separator,
annual
capital
expenditure
(CAPEXy)
13.71%
higher
than
results
12.5%
increase
cost
capture
(CostCO2,capture).
Applied Sciences,
Год журнала:
2025,
Номер
15(3), С. 1031 - 1031
Опубликована: Янв. 21, 2025
Solar
photovoltaic
(PV)
is
a
crucial
renewable
energy
source
that
converts
sunlight
into
electricity
using
silicon-based
semiconductor
materials.
However,
due
to
the
non-linear
characteristic
behavior
of
PV
module,
module’s
output
power
varies
according
solar
radiation
and
ambient
temperature.
To
address
this
challenge,
maximum
point
tracking
(MPPT)
techniques
are
employed
extract
amount
from
modules.
This
paper
offers
comprehensive
review
widely
used
traditional
advanced
MPPT
approaches
in
systems,
along
with
current
developments
future
directions
field.
Under
uniform
insolation,
these
methods
compared
based
on
their
strengths
weaknesses,
including
sensed
parameters,
circuitry,
speed,
implementation
complexity,
true
MPPT,
accuracy,
cost.
Additionally,
algorithms
evaluated
terms
performance
reaching
(MPP)
under
partial
shading
condition
(PSC).
Existing
research
clearly
demonstrates
exhibit
superior
efficiency
comparison
methods,
although
at
cost
increased
design
complexity
higher
expenses.
By
presenting
detailed
providing
tables
techniques,
study
aims
provide
valuable
insights
for
researchers
practitioners
selecting
appropriate
applications.
Materials for Renewable and Sustainable Energy,
Год журнала:
2025,
Номер
14(1)
Опубликована: Фев. 19, 2025
Abstract
The
utilization
of
fossil
fuels
for
power
generation
results
in
the
production
a
greater
quantity
pollutants
and
greenhouse
gases,
which
exerts
detrimental
impacts
on
ecosystem.
A
range
solar
energy
technologies
can
be
employed
to
address
forthcoming
demands,
concurrently
mitigating
pollution
protecting
world
from
global
threats.
This
study
critically
reviewed
all
four
generations
photovoltaic
(PV)
cells,
focusing
fundamental
concepts,
material
used,
performance,
operational
principles,
cooling
systems,
along
with
their
respective
advantages
disadvantages.
manuscript
analyzes
various
materials,
including
physical
properties
(electronic
optical),
biodegradability,
availability,
cost,
temperature
stability,
degradation
rate,
other
parameters.
sensible
engineering
effective
devices
made
cutting
-edge
materials
nanostructured
ternary
metal
sulphides,
three-dimensional
graphene
are
also
briefly
discussed
more
versatile,
stable,
thin
light
weight
high
performance
as
compare
third
cells.
impact
alterations
is
delineated
PV,
where
efficiency
cell
technology
has
improved
4%
47.1%.
Further
research
article
deals
different
internal
external
stress
factors
affecting
PV
module
performance.
Alexandria Engineering Journal,
Год журнала:
2023,
Номер
74, С. 121 - 138
Опубликована: Май 17, 2023
An
optimum
process
with
a
novel
method
for
improving
the
thermodynamic
efficiency
of
conventional
post-combustion
based
on
mono-ethanolamine
(MEA)
30
wt%
solvent
is
presented.
The
presented
process,
by
preheating
rich
stream
twice
and
using
lean
vapor
compression
(LVC),
causes
regeneration
energy
(Eregen)
to
decrease,
exergy
desorption
column
increase,
net
CO2
emission
diminish.
According
simulation
results,
in
base
3.47
GJ/tCO2
has
value
2.77
proposed
scheme,
which
exhibits
20.17%
decrease.
analysis
showed
that
contributes
most
destruction
process.
performed
analysis,
reduces
from
476.67
kW
257.48
kW,
shows
45.98%
Under
these
conditions,
improved
12.2%.
Comparing
Eregen
parameter
previous
studies
demonstrated
scheme
this
paper
significant
superiority
regarding
optimizing
reboiler's
energy.
Due
addition
compressor,
heat
exchanger,
expansion
valve,
separator,
annual
capital
expenditure
(CAPEXy)
13.71%
higher
than
results
12.5%
increase
cost
capture
(CostCO2,capture).
