Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Nov. 20, 2024
The
present
analysis
examines
the
effect
of
thermal
radiation
on
stream
Maxwell
liquid
past
a
stretchy
surface
in
presence
zero-mass
flux
condition.
waste
discharge
concentration,
thermophoresis-Brownian
motion,
and
porous
media
fluid
motion
is
also
considered.
Investigation
flow
with
concentration
stretched
sheets
may
lead
to
growth
effective
methods
for
disposing
preventing
pollution.
Due
their
extensive
applicability,
mechanisms
heat
transmission
context
play
crucial
role
research
industry.
This
phenomenon
often
occurs
spacecraft,
nuclear
reactor
cooling,
power
production,
aerospace
technologies,
combustion
applications,
gas
turbines,
hypersonic
flights,
high-temperature
processes.
modelled
governing
partial
differential
equations
(PDEs)
are
converted
into
dimensionless
ordinary
(ODEs)
utilizing
appropriate
similarity
variables.
Further,
Keller–Box
approach
utilized
solve
resultant
ODEs
numerically.
influence
several
parameters
temperature,
velocity
profiles
shown
via
graphic
representations.
intensification
Deborah's
number
parameter
values
declines
profile.
As
radiation,
thermophoresis,
Brownian
increase,
profile
increases.
increases
as
pollutant
external
source
value
upsurges.
Asia-Pacific Journal of Chemical Engineering,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 10, 2025
ABSTRACT
Researchers
have
significantly
explored
the
fluid
motion
over
rotating
surfaces
for
their
significant
uses
in
many
technical
and
manufacturing
processes,
including
centrifugal
compressors,
gas
steam
turbines,
viscometers,
pumps,
fans,
spin‐coating,
computer
storage
systems.
A
low‐oscillating
magnetic
field
plays
a
crucial
role
heat
transport
efficiency,
nanoparticle
manipulation,
enhancement
of
stability
rheology.
In
view
this,
present
study
explores
consequence
on
three‐dimensional
unsteady
stream
nanofluid
past
slowly
revolving
disk
with
quadratic
thermal
radiation,
variable
conductivity,
suction,
activation
energy.
The
generalized
Fouriers
Ficks
law
is
also
considered
to
analyze
mass
transport.
governing
partial
differential
equations
are
transformed
into
dimensionless
ordinary
suitable
similarity
variables.
finite
difference
technique
utilized
solve
resulting
(ODEs)
numerically.
impact
various
factors
concentration,
velocity,
temperature
profiles
shown
visually.
For
unsteadiness
parameter,
skin
friction
increases
by
approximately
5.29%.
As
suction
parameter
values
rise,
velocity
decreases.
profile
rise
conductivity
parameter's
value.
radiation
intensifies
profile.
concentration
reduces
as
relaxation
time
increases.
ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik,
Journal Year:
2025,
Volume and Issue:
105(5)
Published: April 18, 2025
Abstract
In
practical
applications,
the
stability
of
lubricants
is
enhanced
by
incorporating
a
variety
additives,
such
as
viscosity
index
improvers
like
polyisobutylene,
ethylene–propylene,
lithium
hydroxy
stearate,
and
hydrophobic
silica.
These
additives
impart
non‐Newtonian
pseudoplastic
dilatant
properties
to
lubricants,
which
can
be
effectively
modeled
using
Rabinowitsch
fluid
model.
This
study
focuses
on
squeezing
characteristics
between
sphere
flat
plate
within
porous
medium
lubricated
these
fluids.
The
modified
Reynolds
equation
derived
analyze
this
behavior,
closed‐form
solution
for
film
pressure
obtained.
Numerical
simulations
are
conducted
evaluate
key
parameters
distribution,
load‐carrying
capacity,
squeeze
time
under
various
conditions.
analysis
considers
different
values
parameter,
significantly
influence
due
behavior
lubricants.
Notably,
absence
porosity
results
in
more
pronounced
variations
properties.
However,
introduction
reduces
effects,
leading
diminished
performance.
findings
underscore
importance
both
rheology
determining
overall
contacts
