Energies,
Год журнала:
2023,
Номер
16(5), С. 2298 - 2298
Опубликована: Фев. 27, 2023
Stochastic
simulations
enable
researchers
to
incorporate
uncertainties
beyond
numerical
discretization
errors
in
computational
fluid
dynamics
(CFD).
Here,
the
authors
provide
examples
of
stochastic
incompressible
flows
and
solutions
for
validating
these
newly
emerging
modeling
methods.
A
scheme
is
constructed
finding
parabolic
equations.
The
second-order
accurate
time
constant
coefficient
Wiener
process
term.
stability
analysis
also
provided.
applied
dimensionless
heat
mass
transfer
model
mixed
convective
non-Newtonian
nanofluid
flow
over
oscillatory
sheets.
Both
deterministic
energy
equations
use
temperature-dependent
thermal
conductivity.
more
general
than
model.
results
are
calculated
both
flat
plates.
Casson
parameter,
thermophoresis,
Brownian
motion
Prandtl
number,
Schmidt
reaction
rate
parameter
all
impact
velocities,
temperatures,
concentrations
shown
graphs.
Under
influence
oscillating
plate,
reveal
that
concentration
profile
decreases
with
increasing
parameters
increases
thermophoresis
parameters.
behavior
velocity
models
provided,
contour
plots
displayed.
This
article
aims
a
state-of-the-art
overview
recent
achievements
field
(SCFD)
while
pointing
out
potential
future
avenues
unresolved
challenges
mathematics
community
investigate.
Case Studies in Thermal Engineering,
Год журнала:
2023,
Номер
50, С. 103427 - 103427
Опубликована: Авг. 29, 2023
The
practical
applications
of
current
model
include
materials
science,
heat
exchangers,
renewable
energy,
nanotechnology,
manufacturing,
medical
treatments,
and
environmental
engineering.
Insights
gained
from
this
study
could
enhance
material
design,
improve
transfer
efficiency
in
various
systems,
optimize
energy
conversion
processes,
contribute
to
advancements
therapies,
engineering
design.
In
investigation,
melting
transmission
non-uniform
generation
features
ternary
hybrid
nanofluid
flow
over
a
slender
stretched
sheet
are
examined.
This
proposed
goal
is
compare
the
effectiveness
well-known
models
Xue
Yamada-Ota.
Utilized
made
up
titanium
oxide
(TiO2),
aluminum
(Al2O3),
cobalt
iron
(CoFe2O4),
Ethylene
glycol
(C2H6O2)
as
base
fluid.
course
leading
equations
transformed
using
appropriate
similarity
variables,
following
then
mathematically
solved
shooting
approach
(bvp4c).
impacts
some
physical
parameters
on
typical
profiles
(concentration,
velocity
thermal)
explained
Yamada-Ota
models.
Additionally,
same
used
explore
mass
rates,
results
shown
tabular
format.
For
higher
values
wall
thickness
parameter,
thermal
enhance.
It
also
reduces
rates
transmission.
outperforms
terms
efficiency.
Arabian Journal of Chemistry,
Год журнала:
2023,
Номер
16(4), С. 104589 - 104589
Опубликована: Янв. 18, 2023
The
purpose
of
the
current
framework
is
to
scrutinize
two-dimensional
flow
and
heat
transfer
Casson
nanofluid
over
cylinder/plate
along
with
impacts
thermophoresis
Brownian
motion
effects.
Also,
effects
exponential
thermal
sink/source,
bioconvection,
motile
microorganisms
are
taken.
resulting
non-linear
equations
(PDEs)
reformed
into
nonlinear
ODEs
by
using
appropriate
similarity
variables.
resultant
(ODEs)
were
numerically
evaluated
use
Bvp4c
package
in
mathematical
solver
MATLAB.
numerical
graphical
illustration
regarding
outcomes
represents
performance
flow-involved
physical
parameters
on
velocity,
temperature,
concentration,
microorganism
profiles.
Additionally,
skin
friction
coefficient,
local
Nusselt
number,
Sherwood
density
number
computed
for
presented
system.
We
noted
that
velocity
profile
diminishes
rising
estimations
magnetic
mixed
convection
parameters.
Prandtl
corresponds
declining
temperature
observed.
enhancement
values
Solutal
Biot
parameter
increased
concentration
profile.
In
specific,
this
focuses
bioconvection
a
shooting
model.
novel
approach
study
sink/source
nano-fluid
through
cylinder/plate.
A
performed
first
time
author's
opinion.
Understanding
characteristics
behaviors
these
nanofluids
crucial
scientific
community
developing
subject
nanofluids.
Heliyon,
Год журнала:
2023,
Номер
9(3), С. e14248 - e14248
Опубликована: Март 1, 2023
Typical
liquids
aren't
great
for
engineering
because
of
their
low
heat
conductivity.
To
enhance
transfer
capabilities
in
industries
as
diverse
computers,
pharmaceuticals,
and
molten
metals,
researchers
scientists
have
developed
nanofluids,
which
are
composed
nanoparticles
distributed
a
base
fluid.Mathematical
modeling
micropolar
Cu-H2O
nanofluid
driven
by
deformable
sheet
the
stagnation
area
with
nanoparticle
aggregation,
thermal
radiation,
mass
suction
action
has
been
investigated
this
paper.
In
case,
copper
(Cu)
make
up
nanofluid.ology:
We
used
suitable
transformations
to
arrive
at
system
nonlinear
ODEs,
we
then
solve
numerically
MATHEMATICA
using
Runge-Kutta
methods
fourth
order
coupled
shooting
approaches.Tables
graphs
examine
effects
immersed
flow
display
profiles
physical
parameters
interest.
This
includes
velocities,
temperatures,
skin
friction,
Nusselt
numbers.
The
average
rate
increased
17.725%
volume
percentage
from
0.0
0.01
.
Additionally,
results
showed
that
local
number
along
an
increase
unsteady
radiation
parameters.
However,
its
value
is
reduced
undeniable
fashion
if
material
parameter
present.
impact
on
aggregation
compared
contrasted
non-radiative
scenario,
resulting
fluctuations
numbers
provided
tables.
When
study
were
data
had
already
published
about
some
cases,
lot
agreement
was
found.
Case Studies in Thermal Engineering,
Год журнала:
2024,
Номер
55, С. 104121 - 104121
Опубликована: Фев. 17, 2024
Motivating
by
the
importance
of
viscoelastic
nanofluids
in
nanotechnological
and
biomedical
fields,
current
analysis
intends
mainly
to
examine
aspects
2D
steady
Jeffery
nanofluid
flows
near
a
vertically
elongating
surface,
case
where
thermal
radiation
affects
linearly
on
driven
with
effective
contribution
non-uniform
internal
heat
source.
By
invoking
Buongiorno's
model
together
convective
heating
Stefan
blowing
conditions,
leading
boundary
layer
differential
formulation
is
achieved
successfully
based
reasonable
hypotheses.
Moreover,
corresponding
solutions
are
computed
numerically
using
BVP4C's
method.
In
this
respect,
outcomes
reveal
that
mechanisms
exhibit
both
an
upsurging
tendency
towards
mass
profiles.
On
other
hand,
declining
impression
witnessed
for
Sherwood's
number
when
strengthening
these
processes,
whilst
dissimilar
seen
Nusselt's
number.
Furthermore,
involved
rheological
parameters
reverse
dynamical
frictional
sways
motion.
Case Studies in Thermal Engineering,
Год журнала:
2023,
Номер
43, С. 102777 - 102777
Опубликована: Янв. 26, 2023
This
study
aims
to
inspect
the
steady
state
thermal
distribution
and
heat
transfer
within
a
longitudinal
porous
fin
of
exponential
profile
wetted
with
hybrid
nanoliquid.
The
aggregate
influence
conduction,
radiation,
convection
causes
in
fin.
Darcy
model
Fourier
law
conduction
are
used
for
modeling
governing
ordinary
differential
equation
(ODE)
that
represents
corresponding
problem.
Through
use
non-dimensional
terms,
formulated
is
further
simplified
into
dimensionless
along
suitable
boundary
condition.
arising
nonlinear
solved
analytically
using
improved
residual
power
series
method
Pade
approximant
(Hybrid
method/HRPSM).
consequences
various
dynamic
parameters
on
behavior
explored
graphical
portrayal.
As
per
observations
this
investigation,
surface
wet
condition
by
nonliquid
nature
will
have
significant
effect
temperature
distribution.
More
specifically,
as
values
these
increase,
rate
intensifies.
Finally,
obtained
HRPSM
results
compared
previous
investigations,
high
level
consistency
observed.
Alexandria Engineering Journal,
Год журнала:
2023,
Номер
80, С. 553 - 558
Опубликована: Сен. 7, 2023
The
vast
significance
and
applications
in
various
industrial
works
such
as
heat
cooling
process,
chemical
reactors,
food
storage
systems
several
medical
motivated
the
author
to
conduct
this
type
of
study.
aim
paper
is
inspect
two-dimensional
incompressible
magnetohydrodynamic
flow
Williamson
fluid
through
a
stretching
sheet.
Cattaneo-Christov
temperature
concentration
considered
with
effects
double
stratification
viscous
dissipation.
leading
nonlinear
partial
differential
equations
are
transformed
into
ordinary
by
means
renowned
similarity
transformations
solutions
problem
obtained
bvp4c
method
on
MATLAB
software.
parameter
depending
time
relaxation
declines
motion.
motion
slowed
down
due
Hartman
number.
mass
noted
be
decline
thermal
solutal
parameters.
rises
coefficient
reduce
transferal
rate.
Heliyon,
Год журнала:
2023,
Номер
9(3), С. e14472 - e14472
Опубликована: Март 1, 2023
To
aid
in
the
prevention
of
reaction
explosions,
chemical
engineers
and
scientists
must
analyze
Arrhenius
kinetics
activation
energies
reactions
involving
binary
mixtures.
Nanofluids
with
an
kinetic
are
crucial
for
a
broad
variety
uses
industrial
sector,
manufacture
chemicals,
thermoelectric
sciences,
biomedical
devices,
polymer
extrusion,
enhancement
thermal
systems
via
technology.
The
goal
this
study
is
to
determine
how
presence
radiation
influences
heat
mass
transfer
during
free
convective
unsteady
stagnation
point
flow
across
extending/shrinking
vertical
Riga
plate
where
energy
known
advance.
For
purpose
obtaining
numerical
solutions
mathematical
model
present
issue
Runge-Kutta
(RK-IV)
shooting
technique
Mathematica
was
used.
Heat
processes,
as
well
interrupted
phenomena,
characterized
explained
by
diagrams
suggested
suction
variables
along
boundary
surface
approaching
permeable
stretching/shrinking
Plate.
Graphs
illustrated
effects
many
other
factors
on
temperature,
velocity,
concentration,
Sherwood
Nusselt
number
skin
friction
detail.
Velocity
profile
increased
Z,λ
S
decreased
ε.
Increasing
values
ε,λ
decline
temperature
profile.
concentration
boosts
up
Z,α
slow
down
ε,Sc,β,δ
n1
parameters.
Skin
Z
S,Z,
ε
radiation.
shows
upsurges
ε,Z,α,Sc,β,S
whereas
δ.
So
that
verdicts
could
be
confirmed,
done
compare
most
recent
research
results
had
already
been
published
certain
case.
outcomes
demonstrated
strong
concordance
between
two
sets
results.
Case Studies in Thermal Engineering,
Год журнала:
2023,
Номер
49, С. 103390 - 103390
Опубликована: Авг. 16, 2023
The
study
of
heat
transfer
problems
is
paramount
significance
due
to
their
wider
spectrum
applications
specifically
in
engines,
insulation,
chemical
and
thermal
engineering
etc.
formulation
new
model
completed
via
enhanced
nanofluid
properties
under
physical
parameters
then
in-depth
mathematical
investigation
done
numerical
approach
scrutinized
the
results
for
preeminent
parameters.
Thermal
conductivity
estimation
Corcione's
increased
by
taking
particles
concentration
up
ϕ=0.6%
electrical
diminishes
from
0.999001
0.994036.
Further,
eye
bird
analysis
revealed
that
stretching
number
S1
0.1
1.3
α2=0.1,0.2,0.3,0.4
resists
fluid
flow
over
surface
movement
slow
compared
conventional
liquid
high
viscous
forces.
Keeping
ϕ%
Ha=0.1,0.2,0.3,0.4
velocity
G'(η)
drops
it
rises
increasing
S1.
Furthermore,
addition
radiative
flux
(Rd)
internal
heating
effects
(Hg)
increase
its
applicability
transport
observed
maximum
nanofluid.
local
rate
at
could
be
keeping
Rd
Hg
0.0
0.8
minimal
simple
while
dominant