Results in Engineering,
Год журнала:
2024,
Номер
21, С. 101772 - 101772
Опубликована: Янв. 17, 2024
The
significance
of
advanced
hybrid
type
nanofluids
cannot
be
avoided
because
their
multiple
heat
transport
applications.
These
are
not
only
in
applied
thermal,
mechanical,
chemical
engineering
but
also
use
as
coolant
for
nuclear
reactors,
paint,
medical
sciences
and
manufacturing
various
home
products.
dynamical
study
fluid
characteristics
inside
a
channel
with
slowly
expanding/contracting
walls
is
fascinating
research
topic.
Therefore,
the
key
aims
this
to
formulate
nanoliquid
model
using
graphene
Fe3O4
nanoparticles.
Further,
physical
effects
practical
interest
like
Joule
heating,
magnetic
field
merged
model.
After
that,
numerical
tool
used
solve
it
then
demonstrated
results
via
graphical
aid.
shown
that
when
nanoparticles
amount
taken
from
0.01
%
0.06
density
changes
1.00042
1.00252
(nanofluid),
1.00067
1.00277
(hybrid)
1.00025
1.0015
(nano),
1.00125
1.0025
(hybrid).
In
similar
way,
thermal
conductance
boosted
(nano)
1.00085
1.0021
For
elongating
(α=2.0,4.0,6.0,8.0),
velocity
increased
examined
maximum
at
center.
absorber
(S=0.1,0.2,0.3,0.4)
highly
controlled
motion
particles
η=−1.0
η=1.0
accelerates
inconsequentially.
high
energy
dissipation,
radiations
(Rd=0.1,0.3,0.5,0.7)
Re1=0.1,0.2,0.3,0.4
augmented
temperature
mechanism
nano,
simple
fluids.
Advances in Mechanical Engineering,
Год журнала:
2024,
Номер
16(5)
Опубликована: Май 1, 2024
Studying
the
combination
of
convection
and
chemical
processes
in
blood
flow
can
have
significant
applications
like
understanding
physiological
processes,
drug
delivery,
biomedical
devices,
cardiovascular
diseases,
implications
for
various
fields
lead
to
developing
new
treatments,
models.
This
research
paper
investigates
combined
effect
convection,
heterogeneous-homogeneous
shear
rate
on
behavior
a
ternary
hybrid
Carreau
bio-nanofluid
passing
through
stenosed
artery.
The
consists
three
different
types
nanoparticles
dispersed
fluid
model,
miming
non-Newtonian
blood.
assumed
study
generates
system
PDEs
that
are
processed
with
similarity
transformation
converted
into
ODEs.
Furthermore,
these
ODEs
solved
bvp4c.
results
show
significantly
impact
bio-nano
fluid’s
artery’s
heat
transfer
characteristics.
Numerical Heat Transfer Part B Fundamentals,
Год журнала:
2024,
Номер
unknown, С. 1 - 21
Опубликована: Апрель 22, 2024
This
investigation
on
heat
transfer
and
Jeffery
Hamel
ternary
hybrid
nanofluid
flow
across
nonparallel
a
porous
media
channels
while
accounting
for
radiation,
velocity
slip,
mixture
fluid
(H2O−C2H6O2)
effects
is
presented
in
this
work.
The
nonlinear
PDEs
such
as
continuity,
momentum
equations
transformed
to
system
of
ODEs
using
similarity
transformations
then
solved
numerically
analytically,
the
analytical
solution
has
been
constructed
by
Daftar
Dar–Jafari
method
(DJM),
present
results
particular
cases
are
compared
obtained
HAM-based
Mathematica
package
Runge–Kutta
Fehlberg
fourth–fifth
order
(RKF-45)
validation.
active
parameters
volume
fraction,
slip
parameter,
Darcy
number
(Da),
thermal
radiation
parameter
(Rd),
investigated
temperature,
skin
friction,
Nusselt
numbers.
It
found
that
upsurges
both
convergent
divergent
channel
with
increment
Hartman
(Ha).
Also,
reveal
temperature
profile
experiences
an
upward
shift
increase
Ha,
downward
Da.
Furthermore,
new
modeling
reliable
analytic
treatment
via
DJM
approach
sizable
accomplishment
current
analysis.
Heliyon,
Год журнала:
2024,
Номер
10(10), С. e30188 - e30188
Опубликована: Май 1, 2024
The
current
investigation
delves
into
the
convective
heat
and
mass
transfer
characteristics
of
third-grade
radiative
nanofluid
flow
within
a
porous
medium
over
Riga
plate
configuration.
structure
incorporates
magnets
electrodes
strategically
arranged
on
surface.
To
enhance
accuracy
energy
concentration
expressions
fluid
flow,
Cattano
Christov
Double
Diffusion
model
is
employed.
Entropy
generation
analysis
conducted
by
applying
second
law
thermodynamics,
Darcy's
employed
to
characterize
behavior
medium.
Appropriate
similarity
transformations
have
been
used
convert
partial
differential
equations
monitoring
dimensionless
ordinary
equations.
Galerkin
weighted
residual
method
resolve
these
numerically.
findings
contain
detailed
explanations
how
relevant
factors
affect
temperature
field,
velocity
entropy
generation,
Bejan
number,
in
addition
graphic
representations
results.
indicate
that
medium's
porosity
Brinkman
number
promote
generation.
production
affected
thermal
radiation
parameter,
which
first
rises
then
declines
after
certain
distance.
ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik,
Год журнала:
2024,
Номер
104(11)
Опубликована: Сен. 11, 2024
Abstract
The
wedge
geometry
is
a
cornerstone
in
thermal
transport
mechanism,
sepcially
scenarios
involving
fluid
flow
over
surfaces.
current
study
emphasizes
the
melting
heat
mechanism
Graphene
oxide
nanofluid
Falkner‐Skan
presence
of
multiple
features
infinite
shear
rate
accompanied
with
variable
characteristics
and
activation
energy.
Additionally,
Cross
model
incorporated
sytem,
which
predicts
accurate
behavior
intricate
for
better
simulation.
governed
by
framed
set
partial
differential
equations
based
on
Naver
stokes
relations.
A
highly
nonlinear
system
altered
simplified
non
dimensional
form
using
similarity
variables.
Numerical
simulations
are
performed
an
efficient
MATLAB
(bvp4c)
solver
scheme
results
emerging
parameters
compiled
via
different
pictorial
tabular
representations.
higher
values
velocity
ratio
parameter
boost
up
transfer
geometry,
whereas
Brownian
motion
molecules
arises
thermophoresis
declines
concentration
profile.
Numeric
growth
Schmidt
number
reduce
mass
diffusivity,
temperature
distribution.
Likewise,
Increasing
value
Prandtl
causes
reduction
conductivity
produces
fall.
It
worth
noting
that,
this
computational
assessment
crucial
processes
because
derived
from
analysis
enable
optimization
designs
performance,
efficiency,
control
practical
applications.
ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik,
Год журнала:
2024,
Номер
104(4)
Опубликована: Фев. 11, 2024
Abstract
In
the
present
work,
we
explored
magnetohydrodynamic
boundary
layer
flow
in
presence
of
pressure
gradient
across
a
flat
plate.
The
effects
slip
velocity
conditions,
thermal
Radiation
addition
hybrid
Ferroparticles
(i.e.,
mixture
two
types
magnetic
nanoparticles
for
example,
(magnetite
()
and
cobalt
ferrite
())
base
fluid
(
)
Porous
wall
(suction/
injection)
are
also
considered
this
study.
Basic
partial
differential
equations
transformed
into
nonlinear
ordinary
using
appropriate
similarity
transformations.
Then,
equation
was
treated
numerically
by
Runge–Kutta–Fehlberg
4th–5th
order
method
with
shooting
technique
analytically
via
an
efficient
called
Generalized
Decomposition
Method.
various
physical
parameters
on
temperature
profiles
shown
graphically.
It
is
found
that
incorporation
demonstrates
relatively
substantial
impact
behavior
dynamic
field;
outperforming
both
non‐hybrid
regular
terms
speed
enhancement.
permeability
significantly
alter
structure.
positive
values
enhance
reduce
temperature,
leading
to
desired
behavior.
Conversely,
adopting
negative
these
reverses
effect.
Furthermore,
radiation
parameter
enhances
distribution.
Additionally,
separation
tends
disappear
increase
parameter.
results
obtained
clearly
show
accuracy
proposed
indicate
excellent
agreement
between
analytical
numerical
data.
International Journal for Numerical Methods in Fluids,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 16, 2025
ABSTRACT
The
use
of
well‐designed
nanoparticles
in
blood
fluid
can
enhance
heat
transfer
during
medical
interventions
by
improving
thermophysical
characteristics.
It
enables
for
targeted
delivery
to
specific
sites
increasing
surface
area
better
exchange,
which
is
crucial
more
efficient
treatments.
current
attempt
emphasizes
on
the
enhanced
thermal
transport
mechanism
an
aluminium
alloy
suspended
Copper‐based
nanofluid
over
inclined
cylindrical
containing
motile
gyrotactic
microbes.
Carreau
viscosity
model
implemented
expose
intricate
nature
bio‐nanofluid,
while
heating
source
used
simulate
bio‐convective
mechanism.
In
addition,
hybrid
bio‐nanofluids
exhibits
temperature
effects
that
depend
nanoparticle
volume
friction
dependencies
related
dynamics
spherical
and
shapes
with
distinct
shape
factors.
physical
generated
system
partial
differential
equations
(PDEs)
derived
then
transformed
into
a
dimensionless
ordinary
(ODEs)
using
similarity
functions.
resulting
reduced
first‐order
numerical
solution
obtained
computational
procedure.
trend
profiles
examined
mean
governing
parameters.
Results
are
interpreted
via
tabular
data
MATLAB
visualization.
observed
gravity
impede
flow
direction
magnetic
field
orientation
causes
decrease
velocity
increase
profile.
A
declining
noted
microbe
profile
due
higher
values
Peclet
number
numeric
growth
value
microbe's
factor.
Heat
rate
drag
force
coefficients
both
differ
reasonable
amounts.
proposed
results
build
bridge
between
traditional
computational‐based
simulations
advanced
ANN‐based
approaches,
establishing
robust
foundation
applications
biomedical
engineering.
