Sustainability,
Год журнала:
2023,
Номер
15(16), С. 12464 - 12464
Опубликована: Авг. 16, 2023
Due
to
global
temperature
increases,
terraced
house
(TH)
residents
face
a
threat
their
health
due
poor
indoor
thermal
environments.
As
buildings
are
constructed
by
low-income
without
professional
guidance,
this
study
aims
investigate
the
comfort
and
energy
resilience
of
THs
under
future
climate
determine
optimal
passive
design
strategies
for
construction
retrofitting.
By
exploring
effects
building
envelope
structures,
adjusting
window-to-wall
ratio
(WWR)
designing
shading
devices,
EnergyPlus
version
22.0
was
used
optimize
environment
cooling
load
throughout
life
cycle
uncertainties.
Unimproved
will
experience
overheating
nearly
90%
hours
in
year
exceed
60,000
kWh
2100
Representative
Concentration
Pathways
(RCP)
8.5
scenario.
In
contrast,
optimization
improvements
resulted
17.3%
reduction
increasing
devices
WWR,
using
structures
with
moderate
insulation.
This
can
guide
TH
renovation,
significantly
reducing
enabling
better
use
active
combat
Journal of Energy Storage,
Год журнала:
2024,
Номер
81, С. 110363 - 110363
Опубликована: Янв. 10, 2024
In
this
study,
we
integrated
organic
phase
change
materials,
decanoic
acid
(DA)
and
palmitic
(PA),
into
bio-based
samples
made
from
sodium
alginate
(SA)
flax
fiber
(FF).
We
also
synthesized
conductive
polypyrrole
(PPy)
coating
through
in
situ
polymerization
to
create
two
thermal
energy
storage
conversion
systems
with
distinct
temperatures
(32
°C
63
°C).
The
PPy
exhibited
uniform
polymerization,
resulting
electrical
conductivity
(1.52
±
0.07
S/m)
(0.453
0.02
W/mK).
sponge,
similar
the
plain
had
a
porous
microstructure
(85
%
porosity)
that
allowed
successful
impregnation
of
60
74
DA
PA,
outstanding
properties.
Specifically,
sponges
PA
achieved
enthalpies
100.98
J/g
154.52
J/g,
respectively.
DA/PPy@Sponge
demonstrated
exceptional
durability
after
cycling
tests.
Furthermore,
sample
efficiently
converted
along
path,
making
it
suitable
for
storing
generated
heat
as
both
sensible
latent
heat,
well
capturing
solar
energy.
Overall,
developed
materials
offer
shape
stabilization,
high
capacity,
efficient
electric/photo-to-thermal
These
attributes
make
them
promising
candidates
diverse
applications
harvesting,
storage,
management
electronics,
buildings,
transportation,
other
relevant
fields.
Journal of Composites Science,
Год журнала:
2023,
Номер
7(9), С. 352 - 352
Опубликована: Авг. 25, 2023
Most
concrete
employs
organic
phase
change
materials
(PCMs),
although
there
are
different
types
available
for
more
specialised
use.
Organic
PCMs
the
material
of
choice
due
to
their
greater
heat
fusion
and
lower
cost
in
comparison
other
PCMs.
Phase
transition
an
example
latent
storage
(LHSMs)
that
may
store
or
release
thermal
energy
at
certain
temperatures.
A
occurs
when
a
solid
changes
from
state
liquid
back
again
is
added
removed.
It
common
knowledge
adding
anything
concrete,
including
PCMs,
will
affect
its
performance.
The
goal
this
review
detail
ways
which
features.
This
overview
also
looks
into
current
challenges
connected
with
employing
concrete.
demonstrates
number
important
findings
along
possible
benefits
pave
way
research
broader
applications
construction.
More
importantly,
it
has
been
elucidated
optimum
PCM
integrated
percentage
40%
doubled
quantity
stored
released
Compared
conventional
macro-encapsulated
showed
dependability,
chemical
compatibility,
stability
delaying
temperature
peaks.
Furthermore,
maximum
indoor
decreases
by
1.85
°C
3.76
test
room
addition
15%
30%
composite,
respectively.
Last
but
not
least,
incorporating
microencapsulated
shown
positive
effect
on
preventing
freeze-thaw
damage
roads.
This
study
assessed
the
impact
of
addition
phase
change
materials
(PCMs)
under
trade
name
Micronal
28S
on
properties
manufactured
geopolymer
foams.
is
used
as
a
functional
component
in
foams
(insulation
materials),
foamed
building
materials,
and
for
temperature
regulation
to
improve
thermal
comfort
indoor
climate.
The
melting
point
28
±
2
°C,
heat
fusion
∼140
J/g.
As
part
research,
mixtures
containing
PCMs
form
slurry
were
prepared
shares
0,
5,
10,
15
wt
%.
Geopolymers
produced
based
fly
ash.
foaming
process
was
carried
out
using
hydrogen
peroxide
(H2O2).
Physical,
mechanical,
analysis
microscopic
microstructure
evaluated.
introduction
into
matrix
conducive
obtaining
ultralight
with
density
about
200
kg/m3.
share
PCM
increases,
insulating
samples
increase
by
reaching
conductivity
coefficient
λ
0.057
W/m*K.
Simultaneously,
specific
increases
up
1.105
kJ/kg*K.
Microstructure
confirmed
that
tends
agglomerate
decrease
pore
size.
material
reduces
mechanical
geopolymers.
However,
according
EN
998-1
standard,
conditions
requirements
be
realized
construction
met
reference
sample
one
5
%
28S.
content
this
publication
addresses
issues
both
science
engineering.
Although
other
authors
have
conducted
research
various
work
first
use
produce
excellent
insulation
properties.
