CFD letters,
Год журнала:
2024,
Номер
17(2), С. 163 - 178
Опубликована: Сен. 30, 2024
This
research
investigates
the
effects
of
heat
transfer
on
stagnation-point
flow
a
non-Newtonian
Casson
fluid
in
two-dimensional
magnetohydrodynamic
(MHD)
boundary
layer
over
stretched
sheet,
considering
thermal
radiation
impacts.
By
employing
similarity
transformations,
governing
partial
differential
equations
are
transformed
into
nonlinear
ordinary
equations.
The
obtained
self-similar
numerically
solved
using
Optimal
Homotopy
Analysis
Method
(OHAM).
numerical
results
graphically
represented,
showcasing
influence
various
parameters
and
characteristics.
study
uncovers
important
dynamics
transport
phenomena.
Examining
illustrating
dimensionless
velocity,
temperature,
concentration
profiles
reveal
significant
insights.
Moreover,
skin
friction
Nusselt
number
for
fluids
analyzed
presented.
findings
indicate
that
parameter
Hartman
act
opposition
to
momentum,
while
conductivity
enhances
temperature.
Thus,
this
provides
valuable
insights
MHD
flows
with
effects,
OHAM
solution
method
proves
effective
predicting
properties.
Modern Physics Letters B,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 27, 2025
Thermal
conductivity
of
nanoparticles
is
a
vibrant
parameter
in
the
heat
transfer
applications
applied
thermal,
mechanical
and
chemical
engineering.
The
use
conventional
fluids
augments
thermal
conductance
which
directly
affects
mechanism.
It
greatly
depends
on
nature
nanoparticles.
Hence,
excellent
hybrid
Fe
3
O
4
/MnZnFe
2
allows
to
select
for
catalytic
agent
with
EG
as
primary
solvent
applications.
Besides
nanoparticles,
physical
phenomena
like
heating
species,
Cattaneo
Christov
flux
variable
temperature
surface
potentially
alter
performance
single
phase
nanofluids.
Therefore,
current
effort
aims
formulate
problem
through
slanted
elongating
having
acute
angle
ground
level
influenced
parametric
ranges.
final
was
examined
numerically
(shooting
scheme
coupled
RK
scheme)
then
analyzed
predicted
ranges
better
performance.
parallel
results
reveal
that
nanofluid
movement
slower
than
common
fluid
over
domain
because
dominant
denser
effects.
generative
([Formula:
see
text]
radiation
number
are
observed
be
parameters
boost
model
efficiency.
However,
thermally
radiative
nanofluids
more
efficient
augment
remarkably.
shear
drag
improved
from
[Formula:
(for
text],
against
text].
Further,
source
Q
enhances
transport
rate
at
it
prevailing
specified
values
Q.
Modern Physics Letters B,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 27, 2024
Understanding
and
optimizing
heat
transfer
processes
in
complex
fluid
systems
is
the
driving
force
behind
studying
magnetohydrodynamic
(MHD)
flow
of
[Formula:
see
text]–[Formula:
text]
nanofluid
across
a
radiative
moving
wedge,
taking
into
account
impacts
viscous
dissipation
Joule
heating.
Nanofluids,
such
as
text],
increase
transmission
thermal
efficiency.
However,
complicated
challenges
caused
by
characteristics
heating
need
thorough
investigation.
This
study
examines
MHD
hybrid
via
permeable
wedge
using
joule
heating,
mass
suction,
dissipation,
variable
viscosity,
radiation,
conductivity,
Prandtl
number.
We
use
similarity
transformation
to
solve
ordinary
differential
equations
that
follow
from
governing
partial
equations.
then
check
results
for
correctness
dependability.
To
ensure
reliability
validity
outcomes,
source
parameters
are
crucial
validation
process.
The
consequence
changing
these
on
properties
studied
both
scenario
without
with
radiation
methodically
analyzing
percentage
or
reduction.
process
also
includes
comparison
computed
values,
rate
skin
friction
factor,
established
theoretical
predictions.
examination
guarantees
numerical
solution,
executed
bvp4c
technique
MATLAB,
corresponds
anticipated
physical
behavior
system
being
studied.
In
addition,
findings
exist
graphical
tabular
forms,
which
allows
clear
succinct
illustration
how
different
limitations
affect
characteristics.
Journal of Computational Design and Engineering,
Год журнала:
2024,
Номер
12(1), С. 80 - 99
Опубликована: Дек. 11, 2024
Abstract
The
heat
transfer
augmentation,
solar
power
systems,
medical
equipment,
semiconductor
cooling,
aerospace,
and
automotive
industries
all
use
ternary
hybrid
nanofluids
(THNFs).
current
study
is
mainly
about
a
magnetized
THNF
flow
that
cannot
be
squished
around
spinning
sphere
has
different
viscosity,
thermal
conductivity,
shape
(brick,
platelets,
cylinder,
blade).
transport
simulation
incorporates
the
principles
of
viscous
dissipation
joule
heating.
Water
mixed
with
silver,
magnesium
oxide,
iron
trioxide
to
make
THNF.
Similarity
substitution
converts
model
equations
ordinary
differential
(ODEs).
Runge–Kutta
fourth
order
numerically
estimates
non-dimensional
set
ODEs.
For
certain
emergent
parameters,
velocity,
temperature,
entropy
generation,
Nusselt
number,
skin
friction
are
computed
analyzed.
research
shows
generation
increases
brinkman
nanoparticle
volume
fraction
magnetic
parameters
reduces
temperature
difference
parameter.
Increasing
unsteadiness
parameter
upsurges
velocity
in
x-direction,
but
decreases
it
z-direction
curve.
Skin
x-direction
declines
rotation.
Platelet-shaped
nanoparticles
usually
outperform
blade,
brick,
cylinder
shapes.
When
mass
suction
$(
S
)$
elevated
from
1.0
2.0,
rate
by
47.25%
for
brick
form,
47.26%
platelets
shape,
35.08%
cylinders
37.65%
blades
shape.
Comparing
results
prior
literature
excellent
agreement.
