Nanoscale and Microscale Thermophysical Engineering,
Год журнала:
2024,
Номер
unknown, С. 1 - 23
Опубликована: Дек. 24, 2024
This
paper
investigates
the
magnetohydrodynamic
(MHD)
heat
and
mass
transfer
characteristics
of
an
electrically
conducting
micropolar
fluid
over
a
vertical
stretching
shrinking
sheets
in
porous
medium,
accounting
for
variable
thermal
conductivity
diffusivity.
The
Runge-Kutta-Fehlberg
method,
combined
with
shooting
technique,
is
used
to
solve
non-similar
governing
equations
analyzed
effects
important
physical
parameters.
(RKF)
method
fourth-fifth
order
that
offers
high
accuracy
adaptive
step
sizing,
making
it
well-suited
non-linear
differential
system.
RKF
iteratively
adjusts
guess
initial
values
until
solution
meets
boundary
conditions
at
infinity,
which
crucial
accurate
modeling
this
type
flow.
novelty
work
lies
its
detailed
exploration
behavior
within
incorporating
Darcy
parameter,
buoyancy
effects,
diffusion
properties.
study
analyzes
influence
these
parameters
on
microrotation,
temperature,
concentration
distributions
surfaces
under
radiative
conditions,
provides
valuable
implications
optimizing
processes
industries
like
filtration,
enhanced
oil
recovery,
management.
Results
show
increasing
Prandtl
number
decreases
temperature
distribution.
also
indicates
microrotation
profiles
decrease
ratio
parameter
increase.Additionally,
velocity
increase
distance
ξ,
while
both
sheets.
Furthermore,
found
Nusselt
increases
by
62.66%
when
raised
from
3
7,
but
only
21.77%
7
10,
showing
rate
diminishes
as
rises.
World Journal of Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 24, 2025
Purpose
The
purpose
of
this
study
is
to
explore
the
impact
Joule
heating,
slip
conditions,
Dufour
and
Soret
effects
on
three-dimensional
magneto-convection
nanoliquid
over
a
rotating
surface
in
existence
thermal
radiation,
viscous
dissipation
internal
heat
generation/absorption.
Design/methodology/approach
considered
physical
system
modelled
by
set
partial
differential
equations
(PDEs)
with
conditions
at
surface.
Then,
nonlinear
PDEs
are
altered
into
ordinary
they
solved
numerically
Runge−Kutta−Fehlberg
method.
Plotting
collected
velocity,
temperature
solute
concentration
characteristics
allows
one
see
how
relevant
parameters
affect
results.
Calculations
made
for
skin
friction
rate
mass
transfer.
Findings
outcomes
portrayed
form
tables
graphs
wide
range
parameter
involved
study.
It
observed
that
local
energy
transfer
enriches
increasing
value
both
slips.
solutal
suppresses
transport
supports
transport.
Practical
implications
Combining
used
oil
reservoirs,
binary
alloy
solidification
isotope
separation
mixtures
gases.
Heat
exchangers,
nuclear
reactors
engineering
can
all
benefit
from
usage
nanofluid
heating.
Social
This
mainly
useful
sciences
chemical
engineering.
Originality/value
investigation
circumstances
heating
magnetohydrodynamic
stream
radiation
cross-diffusion
makes
work
unique.
discoveries
produced
valuable
distinctive,
have
applications
many
areas
science
technology.
Advances in Mechanical Engineering,
Год журнала:
2024,
Номер
16(12)
Опубликована: Дек. 1, 2024
Cilia
motion
is
commonly
located
in
mammalian
cells
of
living
organisms
which
continually
grow
and
feature
conspicuously.
The
ciliary
apparatus
associated
with
cell
cycle
movement
proliferation,
cilia
play
a
dynamic
part
human
animal
growth
everyday
life.
motivation
these
applications,
theoretical
model
presented
to
examine
the
viscous
dissipation
effects
on
flow
micropolar
fluid
through
two-
two-dimensional
channel
under
slip
constraints.
controlled
by
metachronal
wave
propagation
generated
beating
inner
walls
channel.
comprises
motivational
aspects
radiative
flux
predicts
parametric
ranges
for
excellent
heat
transfer
results.
normalized
equations
are
simplified
lubrication
hypothesis
analytical
outcomes
attained
integration
technique.
Graphical
illustrations
have
been
utilized
explore
impressions
derived
physical
parameters
configurations
give
each
parameter
interpretation.
Special
attention
given
investigating
pumping
trapping
characteristics
due
metachronism.
major
disclosed
that
velocity
upsurges
enhancing
values
coupling
number
parameter.
pressure
gradient
increased
parameter,
providing
insights
into
control,
particularly
where
minimizing
or
shear
critical.
temperature
enhanced
Brickman
however
decreased
increasing
thermal
radiation
Owing
to
enhanced
thermal
characteristics
of
nanomaterials,
widespread
applications
are
suggested
in
the
heat
transfer
systems,
automotive
industry,
renewable
energy
sector,
air
conditioning,
solar
collectors
etc.
This
analysis
aims
disclose
bioconvective
significance
micropolar
nanofluid
under
assumptions
variable
quantities.
The
role
conductivity,
Brownian
diffusivity
and
motile
density
have
been
incorporated.
flow
induction
is
based
on
porous
moving
stretched
surface
presence
mass
suction
effects.
chemical
reaction
radiative
effects
endorsed
concentration
equation,
respectively.
Furthermore,
modified
flux
Fick's
theories
implemented
update
expressions.
problem
tackled
convective
constraints.
numerical
simulations
adopted
via
shooting
scheme
with
confirmation
accuracy.
results
interpreted
physically.
Based
deduced
results,
some
novel
claimed.
It
has
observed
that
micro-rotation
declines
by
increasing
parameter
for
both
stronger
lower
phenomena.
Change
vortex
viscosity
leads
reduction
temperature
profile.
Moreover,
microorganisms
profile
enhances
due
constant.