Journal of Manufacturing and Materials Processing,
Journal Year:
2024,
Volume and Issue:
8(5), P. 208 - 208
Published: Sept. 24, 2024
Heat
storage
is
an
emerging
field
of
research,
and,
therefore,
new
materials
with
enhanced
properties
are
being
developed.
Examples
phase
change
that
provide
high
heat
inorganic
salts
and
salt
mixtures.
They
commonly
used
for
industrial
applications
due
to
their
operational
temperature
latent
heat.
These
parameters
can
be
modified
by
combining
different
types
salts.
This
paper
presents
the
experimental
study
impact
composition
binary
on
thermophysical
properties.
Unlike
literature
data,
this
article
provides
a
detailed
analysis
process
in
both
directions:
solid–liquid
liquid–solid.
The
results
indicate
highest
was
observed
70%
NaNO3
content
NaNO3–KNO3
mixture.
Therefore,
when
storage,
most
favorable
choice
70:30
ratio,
which
density
lowest
transition
temperature.
In
case
NaNO3–NaNO2
mixture,
value
occurs
ratio
80:20,
resulting
temperatures
267.0
°C
transition,
253.5
liquid–solid
transition.
For
applications,
it
recommended
use
pure
NaNO2
instead
Energy Storage,
Journal Year:
2024,
Volume and Issue:
6(7)
Published: Oct. 1, 2024
ABSTRACT
Thermal
energy
storage
technologies
have
been
widely
used
to
mitigate
intermittency
from
renewable
sources
such
as
solar
energy.
Phase
change
material
(PCM)
is
a
that
can
be
heat
medium
and
available
in
wide
range
of
operating
temperatures.
Molten
salt
one
the
PCMs
has
advantage
very
high
temperature.
The
PCM
solidification
simulation
based
on
HitecXL
molten
using
COMSOL
Multiphysics
software
was
carried
out
with
variations
absorption
1–5
kW/m
2
,
assuming
constant
absorption.
results
showed
process
started
surface
Stirling
engine
exchanger
pipe.
part
solidified
falls
due
gravity,
causing
phenomenon
similar
droplet.
flow
occurred
natural,
driven
by
buoyancy
force
resulting
density
changes
temperature
gradients
process.
time
required
for
completely
solidify
closely
related
amount
absorption;
greater
pipe,
faster
fully
solidified.
Journal of Manufacturing and Materials Processing,
Journal Year:
2024,
Volume and Issue:
8(5), P. 208 - 208
Published: Sept. 24, 2024
Heat
storage
is
an
emerging
field
of
research,
and,
therefore,
new
materials
with
enhanced
properties
are
being
developed.
Examples
phase
change
that
provide
high
heat
inorganic
salts
and
salt
mixtures.
They
commonly
used
for
industrial
applications
due
to
their
operational
temperature
latent
heat.
These
parameters
can
be
modified
by
combining
different
types
salts.
This
paper
presents
the
experimental
study
impact
composition
binary
on
thermophysical
properties.
Unlike
literature
data,
this
article
provides
a
detailed
analysis
process
in
both
directions:
solid–liquid
liquid–solid.
The
results
indicate
highest
was
observed
70%
NaNO3
content
NaNO3–KNO3
mixture.
Therefore,
when
storage,
most
favorable
choice
70:30
ratio,
which
density
lowest
transition
temperature.
In
case
NaNO3–NaNO2
mixture,
value
occurs
ratio
80:20,
resulting
temperatures
267.0
°C
transition,
253.5
liquid–solid
transition.
For
applications,
it
recommended
use
pure
NaNO2
instead
