Dynamics of Fourier's and Fick's laws on the convectively heated oscillatory sheet under Arrhenius kinetics: The finite-difference technique
Journal of Computational Science,
Год журнала:
2024,
Номер
82, С. 102428 - 102428
Опубликована: Авг. 30, 2024
Язык: Английский
Analysis of thermal transport and wall stresses for MHD peristaltic motion of Reiner‐Philippoff fluid with viscous dissipation and mixed convection effects
ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik,
Год журнала:
2025,
Номер
105(1)
Опубликована: Янв. 1, 2025
Abstract
The
present
study
examines
the
thermal
characteristics
and
stresses
at
boundary
for
peristaltic
motion
of
Reiner‐Philippoff
fluid
through
a
symmetric
channel.
(R‐P)
model
is
widely
recognized
its
ability
to
provide
comprehensive
representation
unique
properties
exhibited
by
non‐Newtonian
fluids.
One
notable
aspect
that
initiates
this
nonlinear
relationship
between
velocity
gradient
shear
stress.
Moreover,
captures
implicit
connection
deformation
rate
Additionally,
R‐P
exhibits
distinct
characteristics,
acting
as
dilatant
,
exhibiting
pseudoplastic
behavior
behaving
Newtonian
when
.
Governing
equations
are
mathematically
modeled
under
consideration
mixed
convection,
viscous
dissipation,
magnetic
field,
Joule
heating
effects.
Long
wavelength
small
Reynolds
number
approximations
used
simplify
system.
To
compute
numerical
solution
simplified
system,
BVP4c
technique
employed
via
MATLAB.
influences
key
parameters
on
flow
physically
visualized
graphs.
A
detailed
analysis
heat
transfer
dilatant,
pseudoplastic,
fluids
also
provided.
assessments
wall
presented
tables.
Outcomes
reveal
temperature
profile
decreases
due
parameter
Bingham
number.
findings
case
indicate
both
enhanced
Grashof
Hartmann
numbers
lead
an
increase
in
profile.
Tabular
results
improved
developing
values
Brinkman
numbers,
while
exhibit
opposite
behavior.
decrease
with
greater
Furthermore,
more
effective
improving
reducing
compared
Язык: Английский
Endoscopic analysis of peristaltic propulsion of radiative hydromagnetic nanofluid with lubrication approach and slip constraints
Physics of Fluids,
Год журнала:
2025,
Номер
37(2)
Опубликована: Фев. 1, 2025
Endoscopic
treatment
of
gastrointestinal
and
respiratory
diseases
increases
substantially
in
the
current
era,
due
to
its
minimally
invasive
nature.
Advancement
endoscopic
instruments
is
also
main
factor
this
field
that
facilitate
safe
healthy
treatment.
Nanomaterials
are
more
effective
enhance
recovery
process
patients.
Therefore,
nanomaterials
used
drug
delivery
procedures.
External
magnetic
devices
for
numerous
treatments.
Usually,
treatments,
especially
compression,
anchoring,
guiding
nanomaterial,
gives
better
results
previously
difficult.
Heat
produced
these
procedures;
therefore,
Ohmic
heating
viscous
dissipation
effect
studied.
The
role
thermal
radiation
maintain
cooling
discussed
detail.
Mathematical
model
designed
presence
effects.
Walls
tract
lubricated;
slip
constraints
applied.
Lubrication
approach
simplify
system
equations.
resulting
nonlinear
equations
boundary
solved
via
numerical-differential
Solve
technique
with
help
Mathematica
software.
Numerical
analysis
performed
discuss
temperature,
flow
pattern
pressure
gradient
at
wall.
In
article,
we
studied
applications
magneto
such
as
cancer,
stopping
bleeding
ulcer,
motility
disorder
congenital.
indicate
copper
efficient
control
temperature
efficiency
process.
Further
prominent
phenomena
nanofluid.
Язык: Английский
Dynamics of thermal radiatively Jeffrey fluid through an annulus region between two flexible tubes with entropy generation
Physica Scripta,
Год журнала:
2024,
Номер
99(10), С. 105269 - 105269
Опубликована: Сен. 11, 2024
Abstract
Endoscope
is
a
very
important
tool
for
medical
diagnosis
and
they
have
many
clinical
applications.
The
endoscope
now
used
determining
real
reasons
responsible
problems
in
the
human
organs
which
fluid
transported
by
peristaltic
pumping
such
as
stomach,
small
intestine,
etc
Therefore,
this
paper
discusses
influence
of
an
on
flow
Jeffery
annulus
considering
entropy
generation.
inner
tube
uniform
rigid
fulfilled
slip
conditions,
while
outer
having
sinusoidal
wall
has
no-slip
condition.
impacts
thermal
radiation
viscous
dissipation
are
also
considered
energy
equation.
analysis
been
developed
low
Reynolds
number
long
wavelength
approximation.
analytical
solution
velocity,
pressure
gradient,
temperature,
streamlines,
generation,
Bejan
obtained
using
perturbation
method,
then
results
plotted
to
see
different
physical
parameters.
major
outcomes
disclosed
that
velocity
profile
decreases
near
region
due
parameter
radius.
However,
it
increases
amplitude
ratio.
temperature
distribution
rises
with
Brinkman
number.
On
other
hand,
declined
parameter.
Furthermore,
generation
number,
but
present
study
application
endoscopes,
diagnose
internal
organs.
Also,
variation
gradient
helps
maintain
rate
essential
during
insertion
catheter
into
artery.
Язык: Английский
Efficient photothermal conversion and recycling of magnetic highly viscous oil-based nanofluids
Applied Thermal Engineering,
Год журнала:
2025,
Номер
unknown, С. 125532 - 125532
Опубликована: Янв. 1, 2025
Язык: Английский
Heat/mass transfer and fluid friction irreversibility aspects in peristalsis of physiological material using Ellis model between slippery asymmetric configuration
Case Studies in Thermal Engineering,
Год журнала:
2024,
Номер
65, С. 105635 - 105635
Опубликована: Дек. 19, 2024
Язык: Английский