Advanced Sustainable Systems,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 30, 2024
Abstract
Solar
energy
is
an
inexhaustible
clean
energy.
Owing
to
the
shortage
of
fossil
fuels
and
development
science
technology,
increasing
attention
being
paid
use
solar
Photothermal
conversion
(PC)
materials
are
crucial
for
effectively
acquiring
converting
At
present,
various
PC
have
shown
considerable
potential,
particularly
hydrogels,
a
new
type
material
that
has
been
increasingly
studied
by
researchers
in
recent
years.
In
this
study,
characteristics,
preparation
methods,
efficiencies
mechanisms
hydrogel
reviewed.
The
main
features
photothermal
such
as
precious
metals,
semiconductors,
carbon‐based
materials,
polymer
also
comprehensively
analyzed.
addition,
applications
research
progress
hydrogels
fields
seawater
evaporation,
wastewater
purification,
organic
compound
degradation,
photocatalytic
hydrogen
production,
carbon
dioxide
examined.
Finally,
prospects
challenges
associated
with
evaluated.
This
study
expected
positive
significance
efficient
utilization
Proceedings of the Institution of Mechanical Engineers Part E Journal of Process Mechanical Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 12, 2024
Supply
of
energy
against
continuous
increase
in
demand
is
a
great
challenge
for
the
present
time.
This
has
compelled
researchers
to
develop
energy-efficient
and
performance-enhanced
devices.
Solar
energy,
being
capable
source
supply
clean
can
be
harvested
with
help
flat
plate
solar
collectors
(FPSCs).
In
order
enhance
thermal
performance
FPSC
have
considered
various
aspects,
example,
design
modification,
heat
transfer
fluid
having
enhanced
thermophysical
properties,
use
nanofluids,
reduction
loss,
enhancement
devices,
phase
change
materials
porous
materials.
The
article
describes
detail
these
methods
compares
results
obtained
by
respective
researches.
Experimental
as
well
numerical
works
also
been
presented.
A
comprehensive
review
techniques
used
objective
this
provide
valuable
framework
evaluating
comparing
different
enhancing
performance.
aims
identify
most
appropriate
approach
gaps
current
research
proposes
potential
areas
future
enhancements,
which
expected
assist
researchers.
Energy Technology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 1, 2024
The
present
work
addresses
the
shortcomings
of
heat
transfer
fluid
behavior
by
emphasizing
solutions
for
improved
stability,
enhanced
thermal
properties,
and
environmental
sustainability.
study
introduces
an
innovative
hybrid
nanofluid
combining
silicon
dioxide
(SiO
2
)
cellulose
nanoparticles
(CNP)
into
analytical‐grade
Palm
oil,
adopting
a
two‐step
methodology.
This
endeavor
represents
significant
advancement
in
exploring
SiO
–CNP‐Palm
oil
nanofluids,
positioning
them
as
promising
candidates
advanced
media.
Physical
characterization
analysis
confirms
successful
integration
CNP
oil.
nanosuspensions
CNP‐Palm
‐Palm
/CNP‐Palm
are
prepared
at
varying
volume
concentrations.
All
demonstrated
good
stability
after
ultrasonication,
evidenced
optical
performance
sedimentation
studies,
which
endure
up
to
60
d.
Fourier
transform
infrared
(FT‐IR)
further
substantiates
chemical
revealing
no
emergence
peaks
associated
with
diffusion
nano‐additives.
thermogravimetric
(TGA)
also
affirms
superior
all
compared
base
fluids.
Rheological
studies
indicate
that
exhibits
Newtonian
behavior.
containing
0.1
w/v%
/CNP
enhancement
conductivity,
showcasing
impressive
81.11%
improvement.
In
addition,
demonstrates
increase
viscosity
higher
nanoparticle
concentrations
decreased
rising
temperatures.
