Journal of Applied Physics,
Journal Year:
2024,
Volume and Issue:
136(18)
Published: Nov. 8, 2024
Unlike
the
conventional
electroosmotic
flow
(EOF)
driven
by
direct
current
and
alternating
electric
fields,
this
study
investigates
pulse
EOF
of
Newtonian
fluids
through
a
parallel
plate
microchannel
actuated
fields.
Specifically,
pulses
considered
encompass
triangular
half-sinusoidal
waves.
By
applying
Laplace
transform
method
residual
theorem,
analytical
solutions
for
velocity
volumetric
rate
associated
with
these
two
waves
are
derived,
respectively.
The
influence
width
a¯
electrokinetic
K
on
is
further
considered,
while
as
function
time
t¯
examined
separately.
A
comparison
rates
related
to
under
varying
parameters
also
conducted.
research
findings
indicate
that
irrespective
wave,
broader
results
in
prolonged
period
increased
amplitude
profile.
Elevating
yields
higher
near-wall
velocities,
negligible
effect
near-center
velocities.
It
noteworthy
regardless
width,
exceeds
during
first
half-cycle,
situation
reverses
second
half-cycle.
varies
periodically
time,
initially
surging
rapidly
before
gradually
stabilizing
at
constant
level.
More
interestingly,
independent
linked
wave
consistently
surpass
those
wave.
For
any
corresponding
grow
widths,
especially
prominent
intervals
half-cycles
within
complete
cycle.
These
have
important
implications
improving
design
optimization
microfluidic
devices
engineering
biomedical
applications
utilizing
EOF.
International Journal of Thermofluids,
Journal Year:
2024,
Volume and Issue:
23, P. 100765 - 100765
Published: July 15, 2024
The
objective
of
this
article
is
to
investigate
on
the
natural
convective
MHD
flow
viscous
fluid
with
assessment
mass
and
heat
transfer
effects.
confined
by
two
parallel
plates.
walls
plates
are
assumed
be
porous.
thermal
radiation
effects
inclined
magnetic
field
applications
endorsed.
One
plate
maintains
adiabatic
phenomenon.
simplified
form
problem
achieved
help
dimensionless
variables.
analytical
outcomes
for
given
formulated
obtained
perturbation
technique.
Effects
various
parameters
involving
graphically
impacted.
It
claimed
that
velocity
profile
enhances
due
modified
Grashof
number.
An
enhancement
in
subject
increasing
parameter.
Moreover,
concentration
reduces
Reynolds
Proceedings of the Institution of Mechanical Engineers Part N Journal of Nanomaterials Nanoengineering and Nanosystems,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 24, 2025
A
comparative
study
of
radiative
Casson
and
Jeffrey
fluids
flows
generated
by
the
chemically
reactive
bidirectional
stretched
sheet
is
presented.
Energy
mass
species
analysis
performed
under
heat
generation
impacts.
The
Robin’s
conditions
are
imposed
for
considered
model.
boundary-driven
equations
simplified
into
one
independent
variable
equation
implication
similarity
constraints.
resulted
model
tackled
help
homotopic
scheme.
results
various
parameters
sketched
interpreted
both
nanofluids.
convergence
expressed
through
numeric
benchmarks
graphical
form.
evaluation
Sherwood
Nusselt
number
presented
against
versatile
parametric
values.
showed
that
higher
velocity
curves
appeared
in
nanofluid
case
as
to
nanofluid.
temperature
constraints
boosted
incrementing
trend
chemical
Lewis
weaker
concentration
profiles
fluids.
conducted
research
has
magnificent
appliances
solar
energy
devices,
reactors,
reservoirs,
nuclear
power
plants,
microwave
oven,
thermal
radiant,
imaging
many
others.
Electrophoresis,
Journal Year:
2024,
Volume and Issue:
45(19-20), P. 1727 - 1747
Published: May 29, 2024
This
research
examines
the
electromagnetohydrodynamic
(EMHD)
flow
of
Jeffrey
fluid
in
a
rough
circular
microchannel
while
considering
effect
surface
charge
on
slip.
The
channel
wall
corrugations
are
described
as
periodic
sinusoidal
waves
with
small
amplitudes.
perturbation
method
is
employed
to
derive
solutions
for
velocity
and
volumetric
rate,
combination
three-dimensional
(3D)
two-dimensional
(2D)
graphical
representations
utilized
effectively
illustrate
impacts
relevant
parameters
them.
significance
Reynolds
number
Case Studies in Thermal Engineering,
Journal Year:
2024,
Volume and Issue:
61, P. 105045 - 105045
Published: Aug. 26, 2024
In
designing
efficient
micro
devices,
particularly
microchannels
used
in
cooling
electronic
components
and
biomedical
microfluidic
systems,
The
foremost
application
explored
is
the
design
optimization
of
employed
device
systems.
To
possess
these
from
overheating
damaging
their
gentle
components,
exact
fluid
flow
heat
transmission
regulation
are
required.
better
engineers
can
use
mathematical
models
Prandtl-Eyring
flows
to
antedate
temperature
velocity
profiles.
entropy
generation
also
helps
optimizing
for
transport
efficiency.
Therefore,
present
aim
characterize
impact
dissipative
along
with
magnetization
non-Newtonian
via
microchannel.
novelty
study
assumption
convective
thermal
boundary
conditions
that
show
phenomena.
A
set
similarity
rules
adopted
transformation
governing
equations,
a
spectral
quasi-linearization
technique
then
utilized
solution
designed
miniature.
One
special
attractions
proposed
analysis
entropy,
which
obtained
due
irreversibility
processes
within
system.
However,
occurs
because
transfer,
diffusion
processes,
viscous
dissipation,
etc.
physical
behavior
pertinent
factors
deployed
graphically,
whereas
validation
result
particular
case
displayed
tabular
form.
We
second
law
determine
origins
It
evident
an
increase
parameters
results
reduction
generation.
An
augmentation
Biot
number
substantially
intensifies
Bejan
number.
findings
suggest
magnetic
parameter
α
have
diminishing
effect
on
velocity.
Modern Physics Letters B,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 11, 2024
This
research
simulates
flow
of
blood
in
a
tapered
peristaltic
artery
integrating
ternary
hybrid
nanofluid
using
the
Jeffrey
fluid
model.
The
simulation
examines
effects
Au,
Fe
3
O
4
,
and
Ag
nanoparticles
on
flow.
artery,
modeled
as
channel,
is
subjected
to
nonlinear
thermal
radiation,
magnetic
forces,
heat
source.
problem
formulated
non-linear
Cartesian
partial
differential
equations,
which
are
then
transformed
into
dimensionless
form
without
approximations.
Adomian
Decomposition
Method
(ADM)
employed
solve
these
revealing
how
normal
shear
stress,
axial
velocities,
induced
fields,
temperature
profiles
vary
with
changes
relevant
parameters.
Additionally,
biological
factors
considered
graph
streamlines,
providing
comprehensive
analysis
dynamics.
Some
notable
results
include
that
adding
increases
Nusselt
number
by
26.03%
Newtonian
fluids
158.69%
fluids,
increasing
tapering
parameters
wavenumber
improves
transfer,
complexity.
Physica Scripta,
Journal Year:
2024,
Volume and Issue:
99(7), P. 075249 - 075249
Published: June 11, 2024
Abstract
The
basic
motive
of
this
article
gives
a
rudimentary
insight
into
the
triple
diffusive
convective
flow
ionic
aqueous
solution-based
titanium
dioxide
(TiO
2
)
nanofluid
amidst
two
rotating
parallel
plates.
lower
plate
is
stationary
and
permeable,
allowing
lateral
suction/injection
fluid,
while
upper
impermeable
moves
towards
plate.
fluid
explored
under
simultaneous
implementation
electric
magnetic
forces.
presence
axial
force
across
plates
with
an
solution
between
them
generates
electroosmotic
phenomenon.
Oberbeck-Boussinesq
approximation
utilized
to
include
solutal
buoyancy
forces
occurring
due
concentration
gradient
different
solutes.
appropriate
similarity
transformation
used
reform
governing
equations
which
are
resolved
using
built-in
numerical
solver
bvp4c
MATLAB.
computations
reveal
that
velocity
in
case
injective
larger
than
suction
through
bottom
forwarding
field
contributes
primary
profile
at
declines
near
top
For
solutes
1
2,
modified
Dufour
number
Lewis
numbers
have
opposing
effect
on
Nusselt
