International Journal of Thermofluids,
Journal Year:
2024,
Volume and Issue:
22, P. 100579 - 100579
Published: Jan. 24, 2024
This
research
presents
a
novel
mathematical
framework
for
optimizing
solar
combined
cycle
power
plants,
with
particular
emphasis
on
the
exergy
analysis
of
various
superheating
heat
exchanger
configurations
used
in
thermal
energy
storage.
The
importance
phase
change
materials
(PCMs)
improving
thermodynamic
efficiency
plants
is
emphasized
this
study.
investigation
includes
three
configurations,
two
single
PCM
and
one
PCMs.
use
PCMs
intended
to
increase
storage
density,
reduce
volume,
maintain
consistent
temperatures,
thereby
favoring
latent
model
developed
evaluates
output
temperature
profiles
during
charging
discharging
processes.
results
show
that
configuration
has
an
impressive
93.12%,
reaching
371°C
8
hours.
other
hand,
achieve
even
higher
at
94.89%
charging,
367°C
over
slightly
longer
10-hour
period.
comparison
emphasizes
benefits
using
PCMs,
demonstrating
increased
marginal
setup.
Furthermore,
outcomes
resulting
from
type
exchangers
reveals
disparity
melting
temperatures
causes
only
minor
variations
system's
efficiency.
findings
emphasize
significance
optimal
utilization
efficient
retention,
particularly
periods
low
radiation.
