A critical review of the thermophysical properties and applications of carbon-based hybrid nanofluids in solar thermal systems
Frontiers in Energy Research,
Год журнала:
2025,
Номер
12
Опубликована: Янв. 10, 2025
This
review
focuses
on
the
potential
of
carbon-based
hybrid
nanofluids
to
enhance
performance
solar
thermal
energy
systems.
Solar
technology
is
pivotal
in
transitioning
towards
renewable
sources,
offering
sustainable
alternatives
conventional
fossil
fuels.
However,
traditional
heat
transfer
fluids
(HTFs)
often
exhibit
limitations
conductivity
(TC),
which
hinders
overall
efficiency
collectors.
The
introduction
nanofluids,
particularly
that
combine
two
or
more
types
nanoparticles,
has
emerged
as
a
promising
solution
address
these
challenges.
Among
various
nanomaterials,
materials
such
graphene
and
multi-walled
carbon
nanotubes
(CNTs)
have
garnered
significant
attention
due
their
exceptional
properties.
critically
analyses
rheological
characteristics
effects
applications,
including
flat-plate
collectors
parabolic
trough
unique
synergy
achieved
by
integrating
nanoparticles
with
metallic
results
improved
TC,
enhanced
rates,
greater
stability
compared
single-component
nanofluids.
Despite
notable
advantages,
challenges
increased
viscosity
need
for
long-term
under
operational
conditions
remain
pertinent.
Future
research
directions
should
prioritize
optimizing
nanoparticle
concentrations,
exploring
cost-effective
alternatives,
investigating
dynamic
environments.
findings
this
underscore
transformative
improving
effectiveness
systems,
thus
supporting
broader
adoption
technologies.
exploration
essential
advancing
applications
addressing
ongoing
sustainability
face
growing
global
demands.
Язык: Английский
Experimental study on the influence of operating parameters of plug flow on thermal efficiency of direct absorption solar collector with Fe3O4 nanofluid
Process Safety and Environmental Protection,
Год журнала:
2024,
Номер
193, С. 148 - 157
Опубликована: Ноя. 13, 2024
Язык: Английский
Enhancing Engine Cooling Efficiency: Evaluating Zinc & Magnesium Oxide Nanofluid Viscosity
Sivasubramanian Manikandan,
A. S. Vickram,
S. Madhu
и другие.
SAE technical papers on CD-ROM/SAE technical paper series,
Год журнала:
2024,
Номер
1
Опубликована: Дек. 10, 2024
<div
class="section
abstract"><div
class="htmlview
paragraph">In
this
study,
the
viscosity
and
thermal
performance
of
nanofluids
based
on
ZnO-MgO
mixed
oxide
nanoparticles
added
in
different
concentrations
to
ethylene
glycol-water
mixture
are
characterized
with
potential
applications
engine
cooling.
The
work
began
two
needs:
increasing
importance
better
heat
removal
automotive
engines,
where
traditional
coolants
struggle
adequately
maintain
good
conductivity
but
at
low
acceptable
levels;
a
chance
opportunity
for
exploration
provided
by
MMD/MILab
Engineer
Andrew
Cricee.
wants
improve
cooling
properties,
still
keeping
fluidity
integrating
nanoparticles.
Preparation
method
preparation
was
done
using
volume
0.1%,
0.3%
0.5%.
To
determine
chemical
measurements
were
made
Dragonfly
Brookfield
viscometer
temperatures
ranging
from
25
°
C
80
while
varying
nanoparticle
concentration
as
well
temperature.
Furthermore,
also
order
evaluate
transfer
ability
reference
common
coolants.
Present
is
novel
area
joint
correlation
analysis
no
such
reports
available
context
systems.
results
show
that,
higher
loading
ratios,
increased
temperature
elevated,
opposite
effect
takes
place
so
can
be
dissipated
having
lower
resistance
fluid
flow.
Thus,
incorporation
their
enhanced
concentrations,
it
serves
its
prime
purpose
replace
conventional
an
internal
combustion
system
allowing
superior
longevity
engine.
present
active
high
efficiency.</div></div>
Язык: Английский