Nanotechnology Reviews,
Год журнала:
2023,
Номер
12(1)
Опубликована: Янв. 1, 2023
Abstract
The
aim
of
this
study
is
to
provide
numerical
solutions
magnetohydrodynamic
(MHD)
cross
flow
with
heat
and
mass
transfer
over
a
stretching
sheet
in
hybrid
nanofluid
suction/injection
convective
boundary
conditions.
This
will
be
accomplished
by
presenting
numeric
solutions.
Nanoparticles
graphene
oxide
silver
were
suspended
kerosene
oil
as
the
base
fluid
taken
into
consideration
hybrid.
After
that,
physical
problem
modeled
set
partial
differential
equations,
which
are
then
transformed
an
equivalent
system
nonlinear
ordinary
equations
(ODEs)
making
use
relevant
similarity
transformations.
To
gain
different
graphical
results
for
analyzing
influence
numerous
restrictions
on
velocity,
heat,
profiles,
ODEs
solved
using
computing
power
Lobatto
IIIA
technique.
plot
velocity
profile,
temperature,
concentration,
entropy
generation
Bejan
number
separating
magnitude
like
that
index
(
0.1<n2.0
0.1\lt
n\lt
2.0
),
Weissenberg
We1.0
{\rm{We}}\lt
1.0
Suction/injection
S
S\lt
Magnetic
parameter
(0.1
<
M
1.0),
Biot
mathvariant="normal">Bi
0.3
{\rm{Bi}}\lt
0.3
Radiation
mathvariant="normal">Rd
{\rm{Rd}}\lt
Schmidt
1.1
mathvariant="normal">Sc
1.1\lt
{\rm{Sc}}\lt
Chemical
reaction
).
We
noted
when
{\rm{We}}
)
increases,
speed
increase
well.
Also,
increasing
values
M
slows
but
opposite
effect
observed
temperature
profile.
Moreover,
greater
,
We,
S
reduced
local
skin
friction.
It
concluded
better
than
percentage
values.
used
industry
technology
fluid-based
systems
shrinkable
or
flexible
materials,
MHD
meters,
pumps,
drawing
plastic
strips.
Because
nanoparticles
up
cooling
process,
they
important
cutting
production.
Modern Physics Letters B,
Год журнала:
2023,
Номер
38(01)
Опубликована: Авг. 14, 2023
Heat
transport
issues
of
wedge-shaped
flow
on
hybrid
nanofluids
are
special
significance
by
reason
their
importance
in
manufacturing
uses
including
heat
exchangers
solar
panels,
electronic
equipment
cooling,
drying
processes,
and
air
heaters.
Consequently,
the
current
investigation
investigates
behavior
dissipative
Single-walled
Carbone
nanotubes
(SWCNT)
—
Multi-walled
Carbon
(MWCNT)
nanofluid
buoyant
towards
a
radiative
vertical
permeable
wedge
subjected
to
variable
wall
temperature
considering
source/sink.
By
selecting
appropriate
similarity
conversions,
resultant
regulating
nonlinear
boundary
layer
PDEs
subsequently
transformed
into
coupled
ODEs.
After
that,
Boussinesq
approximations
numerically
resolved.
The
significant
outcome
is
which
higher
for
linear
radiation,
volume
fraction,
uniform
source
parameters.
momentum
controlled
with
angle
fraction
nanotube
particles.
upsurged
mixed
convection
parameters
an
assisting
flow.
Changes
Nusselt
number
fluid
rate
measured
flow-controlling
Furthermore,
results
compared
effectively
validated
previously
reported
literature
results.
Nanotechnology Reviews,
Год журнала:
2024,
Номер
13(1)
Опубликована: Янв. 1, 2024
Abstract
Carbon
nanotubes
(CNTs)
are
gaining
popularity
due
to
their
expanding
uses
in
industrial
and
technical
processes,
such
as
geothermal
reservoirs,
water
air
filters,
coatings,
solar
collection,
ceramic
material
reinforcement,
electrostatic
dissipation,
etc
.
In
addition,
the
CNTs
have
superior
electrical
conductivity
biocompatibility.
Based
on
aforementioned
applications,
current
work
examines
time-dependent
Darcy–Forchheimer
flow
of
water/glycerin-based
Casson
hybrid
nanofluid
formed
by
single-walled
multi-walled
over
a
Riga
plate
under
velocity
slip.
The
energy
expression
is
modeled
through
nonlinear
thermal
radiation
viscous
dissipation
impacts.
incorporation
convective
boundary
condition
into
model
improves
its
realism.
By
employing
suitable
variables,
governing
models
re-framed
ordinary
differential
equations.
bvp4c
homotopy
analysis
method
used
find
computational
results
equations
conditions.
novel
characteristics
variety
physical
parameters
velocity,
temperature,
skin
friction
coefficient
(SFC),
local
Nusselt
number
(LNN)
discussed
via
graphs,
charts,
tables.
It
found
that
fluid
decays
when
enriching
Forchheimer
number,
unsteady
porosity
parameters.
parameter
plays
an
opposite
role
heating
cooling
cases.
modified
Hartmann
enhances
surface
drag
force,
declines
SFC.
develops
heat
transfer
rate,
suppresses
LNN.
simulated
problem
has
many
applications
engineering
sectors,
including
manufacture,
systems,
storage
units,
thermodynamic
other
fields.
Forces in Mechanics,
Год журнала:
2023,
Номер
11, С. 100190 - 100190
Опубликована: Март 21, 2023
In
this
paper,
authors
have
investigated
the
heat
transference
rate
of
stagnation
point
flow
a
nanofluid
over
stretching
sheet
in
porous
medium.
The
examined
magnetohydrodynamic
viscous
nanofluid.
transport
equations
involve
Brownian
motion
and
thermophoresis
effects.
properties
transfer
nanofluids
are
acknowledged
via
numerical
algorithm.
Diffusivity
conductivity
characteristics
fluid
relying
on
nanoparticles
volume
fraction
model
is
based
energy,
momentum,
mass
conservation,
concentration
equations.
For
physical
significance
model,
utilized
zero
flux
condition
at
surface.
Similarity
transformations
used
to
convert
PDEs
(Nonlinear
Partial
Differential
Equations)
into
set
coupled
ODEs
(Ordinary
Equations).
A
built-in
bvp4c
algorithm
MATLAB
software
produces
convergent
implications
nonlinear
systems.
An
exhaustive
analysis
pertinent
parameters,
magnetic,
porosity,
source/sink
parameter,
etc,
done
for
clarification
significance.
higher
far-field
velocity
causes
temperature
rise
but
reduce
relates
far
field
comparison
Heliyon,
Год журнала:
2024,
Номер
10(7), С. e29228 - e29228
Опубликована: Апрель 1, 2024
This
article
scrutinizes
the
2-dimensional
and
boundary
layer
flow
of
magnetohydrodynamic
Williamson
fluid
flowing
on
a
stretchable
surface
with
variable
viscosity.
The
thermal
solutal
rates
are
examined
through
Cattaneo-Christov
model
Joule
heating,
heat
source/sink,
chemical
reaction.
authors
motivated
to
conduct
this
study
because
its
practical
scientific
significance
in
various
processes,
including
polymer
processing,
textile
industries,
food
solar
energy,
biomedical
science,
wind
turbine
blades,
oil
spill
clean-up,
metal
rolling,
forging.
With
mentioned
assumptions,
partial
differential
equations
achieved
by
using
basic
governing
laws,
momentum
law,
energy
concentration
law.
non-linear
system
is
transmuted
into
ordinary
taking
similarity
transformations.
main
novelty
behind
conduction
work
numerical
technique,
namely
'Adams-Milne
(Predictor-Corrector)'
method
along
Runge-Kutta
technique
Matlab
software,
which
has
not
previously
been
studied
any
researcher
literature.
analytical
solution
determined
possible
due
their
highly
nature;
therefore
multistep
method,
used
determine
results.
outcomes
noted
numerous
parameters
for
velocity,
temperature,
profiles.
explanation
graphical
results
discussed
here.
impression
parameter
reveals
that
velocity
temperature
curves
diminish
higher
inputs
parameter.
movement
shows
declining
behavior
Hartmann
number
viscosity
findings
mass
relaxation
coefficients
mark
reducing
behaviour
respective
field.
rise
reaction
coefficient
decreases
distribution.
analyses
comparison
also
presented
International Journal of Modern Physics B,
Год журнала:
2024,
Номер
unknown
Опубликована: Март 28, 2024
The
control
of
temperature
distribution
and
management
heat
energy
are
key
problems
in
an
industry.
In
this
study,
free
convective
flow
with
ternary
nanoparticles
(Cu,
Ag,
MgO)
was
equipped
to
analyze
the
impact
on
magnetic
field
thermal
radiation
through
a
moving
wedge
surface.
This
volumetric
concentration
by
Cu,
Ag
MgO
is
selected
most
4%
prevent
instability
nanofluid.
A
set
applicable
modifications
expressed
as
change
nonlinear
partial
differential
equations
ordinary
it
undertaken
mathematically
for
applying
bvp4c
MATLAB
package.
These
outcomes
(Cu–Ag–MgO/blood),
hybrid
(Cu–Ag/blood)
copper
(Cu)
had
again
correlated.
display
that
connecting
nanofluid
raises
drug
friction
3.9%
than
Also,
combination
Cu
increases
skin
19.58%
analysis
particularly
useful
transportation
biomedical
study.