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:
2024,
Volume and Issue:
104(9)
Published: Aug. 1, 2024
Abstract
The
present
analysis
considers
the
angular
velocities
of
free
flow
and
arbitrarily
fluctuating
cone
over
time,
leading
to
an
unsteady
stream
a
rotating
in
nanofluid.
effects
heat
source/sink
magnetic
field
on
past
nanoliquid
are
considered
this
examination.
dimensional
governing
equations
transformed
into
nondimensional
ordinary
differential
(ODEs)
using
similarity
variables.
nonlinear
system
ODEs
has
been
solved
Hosoya
polynomial‐based
collocation
method
(HPBCM),
obtained
values
compared
with
numerical
Runge
Kutta
Fehlberg's
fourth‐fifth
order
(RKF‐45)
scheme.
numerous
factors
momentum
thermal
distributions
shown
graphically.
Results
reveal
that
ratio
velocity
increases
profile
but
converse
trend
is
seen
for
profile.
upsurge
parameter
intensifies
rise
upsurges
As
temperature
declines.
Physics of Fluids,
Journal Year:
2024,
Volume and Issue:
36(11)
Published: Nov. 1, 2024
The
present
research
explores
the
Boger
fluid
flow
past
a
stretching
cylinder
with
torsional
motion
in
presence
of
magnetic
field.
It
is
assumed
that
rotates
continuously
around
its
axis
and
starting
point's
position
along
correlates
wall's
expansion
rate.
Additionally,
consequence
active
passive
control
nanoparticles,
activation
energy,
thermophoresis,
Brownian
effects
are
considered.
Similarity
variables
transform
governing
partial
differential
equations
into
non-dimensional
ordinary
(ODEs).
Furthermore,
Vieta–Lucas
polynomials-based
collocation
method
(V-LPBCM)
employed
to
solve
resulting
ODEs.
V-LPBCM
outcomes
Nusselt
Sherwood
numbers
compared
Runge–Kutta
Fehlberg's
fourth-fifth-order
scheme
for
validation
purposes.
impact
various
dimensionless
parameters
on
different
profiles
depicted
graphical
representation.
increase
values
parameter,
ratio
relaxation
time,
Reynolds
number
decline
velocity
profile.
profile
increases
as
solvent
fraction
parameter
rise.
thermal
heat
source/sink,
thermophoretic
energy
Physica Scripta,
Journal Year:
2024,
Volume and Issue:
99(7), P. 075247 - 075247
Published: June 6, 2024
Abstract
The
three-dimensional
flow
of
a
viscous
fluid
induced
by
an
expanding
or
contracting
porous
slider
under
the
influence
activation
energy
with
exothermic
and
endothermic
chemical
reactions
is
explored
in
this
study.
Moreover,
amount
injected
to
levitate
changes
over
time
according
where
it
at
any
instant.
With
aid
similarity
variables,
modelling
equations
relating
are
converted
into
system
ordinary
differential
equations.
Then,
solved
numerically
help
Runge–Kutta
Fehlberg’s
fourth
fifth-order
method
(RKF-45).
Graphs
used
analyze
impact
various
parameters
on
flow,
thermal
concentration
fields.
Results
reveal
that
velocity
profiles
get
smaller
as
wall
dilation
parameter
rises.
An
anticipated
boundary
layer
development
next
results
from
increased
Reynolds
number.
temperature
profile
for
process
has
diminishing
increases,
whereas
opposite
consequences
obtained
reaction.
For
reaction,
rises
reaction
values
increase.
However,
can
be
seen
