Heat Transfer,
Journal Year:
2024,
Volume and Issue:
53(5), P. 2257 - 2280
Published: March 5, 2024
Abstract
The
Darcy–Forchheimer
model
for
a
two‐dimensional
hydromagnetic
flow
in
horizontal
channel,
including
the
dynamic
interaction
of
porous
and
nonporous
media,
is
investigated
this
study
due
to
importance
consequences
heat
exchange
materials.
novelty
current
investigation
hydrodynamics
fluid
flowing
through
channel
with
free
non‐Darcy
media
linked
next
one
another
influenced
by
potent
Lorentz
force.
prime
objective
analyze
influence
critical
nondimensional
parameters
on
rate
transfer
shear
forces
exerted
walls
channel.
Numerical
simulations
are
carried
out
using
finite
element
method
within
COMSOL
Multiphysics
program,
which
offers
versatile
framework
explore
behavior
velocity
isothermal
contours.
essential
optimal
stability
adopted
achieved
specific
scenarios
employing
finely
meshed
grid
grid‐independent
analysis.
It
noteworthy
that
larger
Prandtl
numbers
enhance
transmission
rates
from
surfaces
at
high
temperatures,
whereas
greater
Eckert
correlated
lower
Nusselt
numbers.
On
surface,
Forchheimer
magnetic
drag
reduce
skin
friction,
top
surface
displays
different
pattern.
aforesaid
findings
have
variety
engineering
applications
improving
dynamics
This
can
be
beneficial
designing
exchanger
devices.
Case Studies in Thermal Engineering,
Journal Year:
2024,
Volume and Issue:
54, P. 104009 - 104009
Published: Jan. 10, 2024
This
study
investigates
the
possessions
of
a
dual
stratified
common
on
diverse
convection
barrier
layer
discharge
an
Eyring-Powell
fluid
(CBLFEPL)
induced
by
prone
extensive
barrel.
The
temperature
and
concentration
at
exterior
barrel
are
assumed
to
be
larger
than
moving
fluid.
To
solve
resulting
flow
equations,
brilliant
numerical
established
aggregating
solver
is
employed
using
Levenberg-Marquardt
neural
network
scheme
(LMNNS).
governing
equations
partial
differential
converted
into
interconnected
nonlinear
ordinary
appropriate
transformations.
First,
dataset
generated
for
two
distinct
cases,
one
with
zero
curvature
parameter
(plate)
other
non-zero
(cylinder).
behaviors
skin-friction
coefficient,
Sherwood
number
Nusselt
presented
over
chart
obtained
BVP4C
technique.
Subsequently,
intelligent
computing
algorithm
nftool,
utilized
training,
validation,
testing
steps
approximate
solutions
various
cases.
designed
solver,
LMNNS,
applied
CBLFEPL
problem
through
regression,
mean
squared
error
(MSE),
histogram
studies,
gradient
analysis.
double-layered
combined
around
elevated
stretched
cylinder
provides
insights
heat
mass
transfer
characteristics,
crucial
applications
in
engineering
dynamics.
aims
contribute
that
can
dynamics,
aiding
optimization
relevant
processes
applications.
research
methodology
involves
employing
technique,
three-stage
Lobatto
IIIa
formula,
cylinder,
while
systematically
varying
key
parameters
analyze
their
impact
phenomena.
speed
experiences
notable
rise
higher
values
K,
M,
mixed
λm,
ratio
buoyancy
forces
N.
Conversely,
velocity
profile
exhibits
contrasting
behavior
concerning
thermal
stratification
ϵ1,
solutal
ϵ2,
inclination
angle
α.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(3), P. e25088 - e25088
Published: Jan. 24, 2024
Non-Newtonian
fluids
are
essential
in
situations
where
heat
and
mass
transfer
involved.
Heat
processes
increase
efficiency
when
nanoparticles
(0.01≤φ≤0.03)
added
to
these
fluids.
The
present
study
implements
a
computational
approach
investigate
the
behavior
of
non-Newtonian
nanofluids
on
surface
an
upright
cone.
Viscous
dissipation
(0.3≤Ec≤0.9)
magnetohydrodynamics
(MHD)
(1≤M≤3)
also
taken
into
account.
Furthermore,
we
explore
how
microorganisms
impact
fluid's
transfer.
physical
model's
governing
equations
transformed
ordinary
differential
(ODEs)
using
similarity
transformation
make
analysis
easier.
ODEs
solved
numerically
Bvp4c
solver
MATLAB.
momentum,
thermal,
concentration,
microbe
diffusion
profiles
graphically
represented
current
research.
MHD
effects
improve
microbes,
resulting
increased
rates
18
%
19
%,
respectively,
based
our
results.
comparison
findings
with
existing
literature
demonstrates
promising
agreement.
Case Studies in Thermal Engineering,
Journal Year:
2024,
Volume and Issue:
58, P. 104374 - 104374
Published: April 8, 2024
This
study
explores
using
hybrid
nanofluids
to
improve
water
quality
by
enhancing
heat
transfer
and
substance
decomposition.
Nanofluids
effectively
remove
pollutants,
optimise
transfer,
control
pollution
sources,
regulate
fluid
dynamics,
which
can
lead
efficient
management
in
systems.
Thus,
the
present
research
examines
flow
of
an
unsteady
Al2O3-Cu/water
nanofluid
near
stagnation
region
a
porous
medium,
considering
discharge
concentration
convective
boundary
conditions.
Governing
equations
ordinary
differential
are
obtained
similarity
transformations.
The
BVP4C
solver
MATLAB
is
employed
expose
dual
solutions.
volume
fraction
copper
suction/injection
parameter
unsteadiness
collectively
contribute
delay
layer
separation.
Increasing
values
,
enhances
transfer.
When
sheet
shrunk
between
range
has
higher
thermal
than
nanofluid.
Moreover,
increment
raises
skin
friction
coefficients
mass
diffusion
rates.
Stability
analysis
reveals
that
first
solution
stable
while
second
one
unstable.
Ain Shams Engineering Journal,
Journal Year:
2024,
Volume and Issue:
15(5), P. 102699 - 102699
Published: Feb. 22, 2024
In
this
study,
authors
explore
how
magnetic
fields
and
the
buoyancy
force
resulting
from
temperature
differences
work
together.
The
study
is
focusing
at
an
Eyring-Powell
nanofluid
behaves
in
a
ciliated
channel
when
both
natural
convection
effects
are
play.
A
technique
called
symplectic
metachoronal
wave
has
been
used
to
analyze
analysis.
physical
assumption
of
small
Reynolds
number
considered
simplify
equations
describing
flow
rate
nanofluid,
making
it
easier
understand.
To
get
closed
form
solution,
we
have
incorporated
Adomian
decomposition
method
(ADM).
It
observed
that
sped
up
by
10%
with
increase
fluid
parameter
M.
quantity
heat
transfer
increases
increasing
values
Hartmann,
parameters,
Brinkmann
numbers.
This
implications
for
bio-inspired
engineering,
medical
applications,
design
microfluidic
devices.
International Journal of Modelling and Simulation,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 13
Published: Jan. 7, 2024
Present
investigation
aims
to
examine
the
behavior
of
bioconvective
flow
tangent
hyperbolic
nanomaterial
over
porous
surface
cylinder.
Revised
Fourier
and
Fick's
law
is
accounted
through
Cattaneo-Christov
double
diffusion
model
for
heat
mass
transportation.
Momentum
expression
modeled
considering
magnetic
field,
mixed
convection
permeability
effects.
Chemical
reaction
associated
with
Arrhenius
activation
energy
(AE)
Joule
heating
impacts
are
respectively
taken
in
concentration
communication.
Bioconvection
considered
stabilize
tiny
solid
particles
within
fluid.
Flow
governing
mathematical
acquired
help
boundary
layer
assumptions.
The
obtained
made
dimensionless
via
transformations.
Built
code
Mathematica
(NDSolve)
implemented
graphical
numerical
computations
concentration,
motile
density,
thermal
Nusselt
number,
density
wall
shear
force
Sherwood
number.
Findings
show
that
transportation
field
diminished
rising
estimations
relaxation
time.
Mass
curves
opposite
trend
AE
chemical
variables.
Case Studies in Thermal Engineering,
Journal Year:
2024,
Volume and Issue:
55, P. 104163 - 104163
Published: Feb. 22, 2024
This
study
investigates
the
thermal
energy
and
reactive
processes
on
nanomaterial
flow
via
convergent/divergent
channels.
The
research
looks
at
how
varied
channel
designs,
fluid
characteristics,
operating
conditions
affect
patterns,
temperature
distributions,
heat
transfer
rates.
focuses
mechanisms
within
channels
effect
of
exothermic/endothermic
profiles.
findings
provide
vital
insights
into
behavior
such
systems,
aiding
in
comprehension
phenomena
prospective
applications
engineering
domains
as
chemical
processes,
aeronautical
engineering.
Alexandria Engineering Journal,
Journal Year:
2024,
Volume and Issue:
95, P. 272 - 282
Published: April 4, 2024
This
study
examines
the
molecules
motion
influences
and
thermal
attributes
in
power-law
non-Newtonian
dissipative
fluids'
magnetohydrodynamic
behavior,
Joule
heating,
electromigration,
Cattaneo-Christov
effects.
Effects
of
Hall
on
both
flow
velocity
temperature,
as
well
heat
transport
are
considered.
The
investigation
looks
at
transference
that
occurs
when
there
is
a
slippage
consequence,
how
temperature
viscosity
fluid,
potential
parameters
influence
exponential
fluid
via
an
extensible
sheet.
Runge-Kutta-Fehlberg's
approach,
which
based
shooting
procedure,
was
used
to
develop
computational
solutions
for
nonlinear
ordinary
differential
equations.
When
exposed
deformation
generated
by
expansion,
pressure,
or
agitation,
dilatant
characterized
phenomenon
its
rises
may
harden.
referred
dilatation
phenomenon.
High
shearing
rates
provide
impression
it
stable.
expanded,
subjected
agitated,
fluids
become
more
viscous
transform
into
solids.
Both
non-equilibrium
within
reduction
irreversibility
processes
occur
caused
acquired
charges
result
effect
molecules.