A comprehensive numerical analysis of heat transfer enhancement in NEPCM-water mixtures using oscillating fin and oriented magnetic fields
International Communications in Heat and Mass Transfer,
Год журнала:
2024,
Номер
161, С. 108455 - 108455
Опубликована: Дек. 7, 2024
Язык: Английский
Numerical analysis of coupled fluid-structure interaction in magnetohydrodynamic flow and phase change process of nano-encapsulated phase change material systems with deformable heated surface
Case Studies in Thermal Engineering,
Год журнала:
2025,
Номер
unknown, С. 106131 - 106131
Опубликована: Апрель 1, 2025
Язык: Английский
Computational analysis of magnetohydrodynamic buoyancy-driven flow and thermal transmission within a circular dome-shaped porous enclosure using finite difference scheme
International Journal of Numerical Methods for Heat & Fluid Flow,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 17, 2025
Purpose
Heat
transfer
efficiency
is
crucial
for
enhancing
device
performance
across
various
engineering
and
industrial
sectors,
including
high-performance
heat
exchangers,
solar
collectors,
electronic
components,
nuclear
reactors,
space
thermal
management
lithium-ion
batteries,
which
have
posed
challenges
in
recent
years.
Natural
convection
one
of
the
significant
ways
to
boost
cooling
these
domains.
Motivated
by
this
application,
study
aims
examine
flow
a
porous
circular
dome-shaped
cavity
under
influence
Lorentz
force
radiation.
Design/methodology/approach
Designing
model
plays
an
important
role
performance,
will
considerable
impact
on
energy
usage.
The
partial
differential
equations
are
discretized
using
finite
difference
approximation.
computational
simulations
been
conducted
different
key
parameter
values
Rayleigh
numbers
(10
3
≤
Ra
10
6
),
Darcy
−4
Da
−1
radiation
parameters
(0
Rd
5),
generation/absorption
coefficient
(−5
Q
5)
Hartmann
Ha
30).
temperature
distributions
analyzed
presence
absence
radiation,
as
well
generation
absorption.
Findings
Remarkably,
intriguing
observations
noticed
circulation
when
applying
high
magnetic
forces
within
domain.
velocity
increases
significantly
with
rise
buoyancy-driven
number.
As
number
boosts
from
–10
,
average
rate
improves
134.38%,
while
it
decreases
84.92%
augmenting
0
30.
transmission
monotonically
enlarging
source
parameters,
insignificant
changes
sink
parameter.
Practical
implications
findings
investigation
can
be
beneficial
controlling
characteristics
applications,
equipment’s
such
steam
generator
tubes
power
collectors.
Originality/value
To
best
authors’
knowledge,
researchers
not
yet
examined
magnetohydrodynamic
free
fluid
distribution
porous,
circular,
enclosure
influenced
source/sink
Язык: Английский
Enhanced natural convection in a U-shaped baffled cavity: Synergistic effects of magnetic fields and wall oscillations on Nano-encapsulated PCM
International Communications in Heat and Mass Transfer,
Год журнала:
2025,
Номер
165, С. 109051 - 109051
Опубликована: Май 9, 2025
Язык: Английский
Entropy evaluation of the hybrid nanofluid flow on a Riga plate under solar radiation and nonlinear convection using neural network
ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik,
Год журнала:
2025,
Номер
105(5)
Опубликована: Май 1, 2025
Abstract
In
thermal
and
fluid
engineering,
the
behavior
of
hybrid
nanofluids
contributes
to
development
advanced
cooling
systems,
particularly
in
electronics
heat
exchangers.
combined
analysis
nanofluid
flow
entropy
generation
principles
play
a
vital
role.
For
these
important
applications,
this
work
investigates
production
for
stagnant
point
over
Riga
plate.
Thermal
radiation
non‐linear
convection
are
both
taken
into
consideration.
Hybrid
is
obtained
by
mixing
copper
aluminum
oxide
nanoparticles
base
glycol
.
The
main
equations
problem
have
been
converted
dimension‐free
form
implementing
similarity
variables.
Artificial
neural
network
(ANN)
has
used
solve
resultant
equations.
It
revealed
study
that
velocity
reduced
with
upsurge
Grashof
number
magnet/electrode
factor.
Better
distribution
can
be
achieved
increasing
volumetric
fractions
factor,
but
rise
unsteadiness
factor
hamper
performance
individual
nanoparticles.
Utilizing
enhances
delivery
targeted
release
therapeutic
agents
specific
areas
body,
improving
control
effectiveness
treating
cancer
cells.
Язык: Английский
Enhancing Heat Transfer Efficiency Through Controlled Magnetic Flux in a Partially Heated Circular Cavity Using Multi-Walled Carbon Nanotube Nanofluid and an Internal Square Body
Sustainability,
Год журнала:
2024,
Номер
16(23), С. 10632 - 10632
Опубликована: Дек. 4, 2024
Applications
including
aircraft
systems
and
electronics
cooling
depend
on
effective
heat
transfer.
This
study
investigates
magnetohydrodynamic
(MHD)
free
convection
thermal
radiation
for
transfer
in
a
circular
cavity
filled
with
multi-walled
carbon
nanotube
(MWCNT)
nanofluid
containing
square
obstruction.
examines
the
impact
of
internal
geometry
fluid
flow
dynamics
under
three
distinct
boundary
conditions,
it
presents
comprehensive
analysis
based
wide
range
Hartmann
(Ha)
Rayleigh
(Ra)
numbers.
MWCNT
high
conductivity
was
employed
to
enhance
efficiency,
using
solid
volume
fraction
(SVF)
4%
MWCNTs
assuming
Newtonian
behavior
computational
simplification.
Magnetic
properties
were
imparted
by
dispersion
nanotubes
base
magnetic
nanoparticles.
Other
walls
insulated,
bottom
wall
heated,
field
(MF)
Ha
ranging
from
0
100
applied.
It
observed
that
raising
Ra
103
106
improved
Nusselt
number
(Nu)
0.08
7.1
Galerkin
finite
element
method.
increased
reduced
Nu
35%.
Three
conditions
body
showed
heated
provided
largest
Nu.
By
means
an
increase
SVF
0.04,
18%.
Radiation
effects
parameter
Rd
=
0.5
transmission
22%.
These
results
underline
importance
considering
MHD
characteristics
maximizing
commercial
purposes,
approaches
this
contribute
deeper
understanding
influence
geometry.
Язык: Английский
Numerical analysis of NE-phase change material and water mixture in a chamfered cavity with flexible fin
International Communications in Heat and Mass Transfer,
Год журнала:
2024,
Номер
161, С. 108520 - 108520
Опубликована: Дек. 20, 2024
Язык: Английский
Enhanced discrete ordinates approach for mitigating shadowing effects in obstructed gas-filled spaces: Implications for astrophysical and industrial applications
Results in Engineering,
Год журнала:
2024,
Номер
23, С. 102728 - 102728
Опубликована: Авг. 23, 2024
This
article
introduces
a
novel
quadrature
scheme
for
the
discrete
ordinates
method
(DOM)
called
Uniform
Constant
Weight
Quadrature
(UCWQ).
A
new
version
of
has
been
developed
to
address
shadowing
effects
in
gas-filled
enclosures
with
obstructions.
The
UCWQ
method*,
featuring
pyramidal
mesh
within
set,
meets
criteria
zeroth,
first,
and
second
moments
is
symmetric
any
axis.
In
comparison
standard
SN
quadrature,
allows
unlimited
angular
refinement,
thereby
preventing
distortions
temperature
radiative
flux
profiles
caused
by
effects.
demonstrates
high
performance
calculating
propagation
through
semi-transparent
medium
situated
between
two
concentric
spheres.
technique
can
be
easily
adopted
study
wide
range
industrial
applications,
as
well
various
astrophysical
systems,
such
stellar
atmospheres
structures
interstellar
medium.
It
also
used
radiation
contribution
greenhouse
gases
atmospheric
pollution
layers.
Язык: Английский