International Journal of Heat and Technology,
Год журнала:
2023,
Номер
41(6), С. 1581 - 1586
Опубликована: Дек. 31, 2023
The
efficacy
of
a
latent
thermal
battery
(LTB)
system
is
significantly
enhanced
through
the
implementation
multistage
configuration.This
study
centered
on
utilization
organic
phase
change
material
(OPCM)
as
storage
medium
within
LTB,
aimed
at
augmenting
charge
and
discharge
rates
system.The
adoption
approach
effectively
mitigates
impact
partial
transitions
OPCM,
facilitating
higher
cumulative
charging
rate
2.39℃/min.This
arrangement
instrumental
in
minimizing
instability
heat
release
from
each
tank,
thereby
ensuring
consistent
heating
process
for
working
fluid
throughout
cycle.Consequently,
LTB
demonstrates
an
elevated
power
rate,
reaching
up
to
7.64
Watts,
with
sustained
duration
45.5
minutes.Such
performance
signifies
efficacious
mechanism,
substantially
improving
overall
functionality
proposed
configuration
particularly
advantageous
systems
operating
low
temperatures,
including
solar
water
air
heaters.Additionally,
contribute
increased
effective
energy
density
aligning
objectives
developing
compact
efficient
systems.The
findings
this
research
underscore
potential
maximizing
operational
efficiency
storage,
contributing
advancement
sustainable
solutions.
Journal of Asian Energy Studies,
Год журнала:
2024,
Номер
8, С. 85 - 94
Опубликована: Июль 30, 2024
Direct
drying
for
seaweed
is
preferable
local
farmers
since
it
costs
no
additional
processing.
However,
the
degradation
of
dried
product
causes
economic
drawbacks,
which
means
further
methods
can
be
developed
to
solve
problem.
In
this
work,
improvement
made
by
using
a
closed
method
products
and
combined
with
solar
collector
as
an
air
heater.
The
high
evaporation
increases
humidity
within
chamber,
improves
up
17.8%.
contrast,
supplied
dry
from
reduces
becomes
lower
(4.4%)
than
ambient.
indicates
maximum
temperature
48.6°C
53.7°C
(with
collector),
while
ambient
only
36.8°C.
It
makes
receive
more
energy,
resulting
in
water
87.5%
compared
direct
(70.8%).
provides
simple
low-cost
approach
that
maximize
harvested
energy
process.
suitable
supporting
maintaining
sustainability
through
renewable
energy.
Revue des composites et des matériaux avancés,
Год журнала:
2024,
Номер
34(4), С. 409 - 415
Опубликована: Авг. 27, 2024
The
present
work
assesses
the
manufacturing
method
for
producing
ceramic-based
solid
oxide
fuel
cells
(SOFC)
using
compaction
and
sintering
methods,
which
are
combined
by
adding
pore
former
to
improve
porosity
of
produced
anode.The
ratio
varies
between
5%,
10%
15%.The
base
cermet
material
in
this
is
NiO-YSZ
(Nickle
Oxide/Yttria
Stabilized
Zirconia),
suitable
high-temperature
SOFC.The
mixed
with
at
given
ratio,
followed
ultrasonic
cleaning.This
uses
polyethylene
glycol
(PEG,
10%)
as
binder
material.The
slurry
then
dried
electric
oven,
continued
process
a
pressure
135MPa
sintered
4
hours
1200℃.The
addition
leads
significant
improvement
level,
highest
value
16.67%.It
contributes
excellent
performance
anode,
particularly
permeability
value.The
15%
has
average
0.37
m
2
.Moreover,
detailed
profile
shows
baseline
5%
10%,
experiences
variation
level
value.
International Journal of Heat and Technology,
Год журнала:
2023,
Номер
41(6), С. 1581 - 1586
Опубликована: Дек. 31, 2023
The
efficacy
of
a
latent
thermal
battery
(LTB)
system
is
significantly
enhanced
through
the
implementation
multistage
configuration.This
study
centered
on
utilization
organic
phase
change
material
(OPCM)
as
storage
medium
within
LTB,
aimed
at
augmenting
charge
and
discharge
rates
system.The
adoption
approach
effectively
mitigates
impact
partial
transitions
OPCM,
facilitating
higher
cumulative
charging
rate
2.39℃/min.This
arrangement
instrumental
in
minimizing
instability
heat
release
from
each
tank,
thereby
ensuring
consistent
heating
process
for
working
fluid
throughout
cycle.Consequently,
LTB
demonstrates
an
elevated
power
rate,
reaching
up
to
7.64
Watts,
with
sustained
duration
45.5
minutes.Such
performance
signifies
efficacious
mechanism,
substantially
improving
overall
functionality
proposed
configuration
particularly
advantageous
systems
operating
low
temperatures,
including
solar
water
air
heaters.Additionally,
contribute
increased
effective
energy
density
aligning
objectives
developing
compact
efficient
systems.The
findings
this
research
underscore
potential
maximizing
operational
efficiency
storage,
contributing
advancement
sustainable
solutions.