AIP Advances,
Journal Year:
2024,
Volume and Issue:
14(8)
Published: Aug. 1, 2024
The
slip
flow
of
nanofluids
has
engaged
potential
applications
in
different
engineering
processes,
including
oil
recovery,
aerodynamics,
microfluidic
and
chip
devices,
lubrication
tribology,
environmental
engineering.
Following
such
motivated
mind,
the
objective
current
analysis
is
to
incorporate
multiple
effects
micropolar
due
a
shrinking
surface.
velocity,
thermal,
concentration
are
endorsed
analyze
flow.
Insights
into
heat
transfer
subject
radiative
phenomenon.
stability
defined
problem
been
performed.
developed
dimensionless
form
solved
with
help
Keller
box
scheme.
accuracy
solution
confirmed
available
research
data.
implementation
technique
leads
solutions.
Physical
justification
presented
for
each
parameter.
It
observed
that
dual
solutions
exist
specific
numerical
values
involved
parameters
problem.
A
reduction
fluid
velocity
noticed
micro-rotational
profile
declined
micro-rotation
Furthermore,
enhances
Brownian
thermophoresis
parameters.
Case Studies in Thermal Engineering,
Journal Year:
2023,
Volume and Issue:
45, P. 102992 - 102992
Published: April 10, 2023
The
goal
of
this
study
was
to
determine
the
effect
that
NP
shape
has
on
entropy
produced
by
Al2O3−H2O
nanofluid
across
a
permeable
MHD
stretching
sheet
under
conditions
quadratic
velocity,
thermal
radiation,
and
viscous
dissipation.
H2O
is
cold
fluid,
while
nanofluid,
which
includes
five
various
forms
(oblate
spheroid,
platelet,
blade,
brick,
cylinder),
hot
fluid.
Nanofluid
containing
sees
widespread
use
in
industrial
production
because
its
remarkable
capacity
boost
heat
transfer.
Via
sequence
similarity
transformations,
controlling
PDEs
are
converted
into
nonlinear
differential
system
linked
ODEs.
An
efficient
implementation
Runge-Kutta
method
for
getting
numerical
solutions
may
be
found
code,
written
MATLAB.
As
φ
grows
from
0%
2%
or
4%,
wall
shear
stress
rises
roughly
6.3%
12.6%,
respectively,
area
behind
stretched
sheet.
Including
magnetic
boundary
layer
flow
at
rate
around
5%,
convective
transfer
increases
about
16.4%.
In
comparison
nanofluids
brick-,
blade-,
cylinder-,
platelet-shaped
NPs,
Os-shaped
experiences
greater
increase
fluid
side.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(9), P. e20057 - e20057
Published: Sept. 1, 2023
The
heat
transfer
remains
a
huge
problem
for
industrialists
and
engineers
because
many
production
processes
required
considerable
amount
of
to
finish
the
process
successfully.
Although,
conventional
fluids
have
large
scale
industrial
applications
but
unable
provide
transfer.
Therefore,
study
is
organized
propose
new
ternary
model
using
different
physical
constraints.
key
area
nanofluid
are
chemical,
applied
thermal
food
processing
engineering.and
Methodology:
purpose
this
research
introduce
impressive
effects
radiations,
surface
convection
saddle/nodal
points.
results
simulated
via
RKF-45
discussed
in
detail.The
strength
Al2O3
nanoparticles
form
1%-7%
(keeping
fixed
CuO
Cu
as
4%
6%)
s1
=
-0.2,-0.4,-0.6,-0.8
controlled
fluid
movement
while
0.2,0.4,0.6,0.8
boosted
velocity.
Increasing
Bi
0.1,0.2,0.3,0.4
increased
temperature
significantly.
Further,
shear
drag
maximum
radiations
Rd
enhances
rate.
Nanotechnology Reviews,
Journal Year:
2023,
Volume and Issue:
12(1)
Published: Jan. 1, 2023
Abstract
This
study
explores
the
unsteady
hybrid
nanofluid
(NF)
flow
consisting
of
cobalt
ferrite
(CoFe
2
O
4
)
and
copper
(Cu)
nano
particulates
with
natural
convection
due
to
an
expanding
surface
implanted
in
a
porous
medium.
The
Cu
CoFe
nanoparticles
(NPs)
are
added
base
fluid
water
synthesize
NF.
effects
second-order
velocity
slip
condition,
chemical
reaction,
heat
absorption/generation,
temperature-dependent
viscosity,
Darcy
Forchheimer
also
assessed
present
analysis.
An
ordinary
differential
equation
system
is
substituted
for
modeled
equations
problem.
Further
computational
processing
performed
using
parametric
continuation
method.
A
validation
accuracy
comparison
Matlab
package
BVP4C.
Physical
constraints
used
presenting
reviewing
outcomes.
With
increase
condition
rates
mass
transition
significantly
variation
Fe
NPs.
findings
suggest
that
uses
fluids
might
be
useful
aerodynamic
extrusion
plastic
sheets
polymer
sheet
from
dye.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(4), P. e15012 - e15012
Published: March 31, 2023
Significance
of
studyNanofluids
with
aggregation
effects
mediated
by
nanoparticles,
like
geothermal
panels
and
crossflow
heat
exchangers,
ignite
new
industrial
interests.
Polymer
conversion
processes
have
transport
phenomena
in
the
stagnation
zone
that
must
be
continuously
improved
to
raise
process
quality
standard.Aim
studyHence,
current
computational
study
examines
a
TiO2−C2H6O2
nanofluid's
unsteady
stagnation-point
flow
performance
via
shrinking
horizontal
cylinder.
In
addition,
magnetic
field,
joule-heating
viscous
dissipation,
nanoparticles
mass
suction
on
boundary
layer
are
reflected.Methodology:
The
RK-IV
shooting
method
is
applied
resolve
simplified
mathematical
model
numerically
computing
software
MATHEMATICA.
certain
circumstances,
comparing
prior
findings
indicates
good
agreement
relative
error
around
0%.FindingsThe
implementation
transfer
operation
may
increasing
settings.
Unsteadiness,
nanoparticle
volume
fraction,
magnetic,
curvature,
Eckert
number
(implies
operating
Joule
heating
dissipation)
all
influence
rate.
velocity
temperature
profiles
both
increase
as
unsteadiness,
fraction
parameters
increase,
whereas
curvature
show
opposite
behavior.
When
values
were
changed
from
2.0
2.5
φ
=
0.01,
rates
rose
4.751%.
A
comparison
shows
has
better
profile,
while
without
profile.
Modern Physics Letters B,
Journal Year:
2023,
Volume and Issue:
38(01)
Published: Aug. 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.
AIMS Mathematics,
Journal Year:
2023,
Volume and Issue:
8(7), P. 15932 - 15949
Published: Jan. 1, 2023
<abstract>
<sec><title>Significance</title><p>The
study
of
non-transient
heat
transport
mechanism
in
mono
nano
as
well
ternary
nanofluids
attracts
the
researchers
because
their
promising
characteristics.
Applications
these
fluids
spread
industrial
and
various
engineering
disciplines
more
specifically
chemical
applied
thermal
engineering.
Due
huge
significance
nanofluids,
is
organized
for
latest
class
termed
along
with
induced
magnetic
field.</p>
</sec>
<sec><title>Methodology</title><p>The
model
development
done
via
similarity
equations
properties
nanoparticles,
resulting
a
nonlinear
mathematical
model.
To
analyze
physical
results
parametric
values
performed
RKF-45
scheme.</p>
<sec><title>Study
findings</title><p>The
reveal
that
velocity
$
F{'}\left(\eta
\right)
increased
increasing
m
=
0.1,
0.2,
0.3
{\lambda
}_{1}
1.0,
1.2,
1.3
$.
However,
decreased
{\delta
Tangential
G{'}\left(\eta
reduces
rapidly
near
wedge
surface
{M}_{1}
Further,
nanofluid
was
greater
than
hybrid
nanofluids.
Shear
drag
local
gradient
quantities
were
greatest
nanofluid.</p>
</abstract>
Case Studies in Thermal Engineering,
Journal Year:
2024,
Volume and Issue:
53, P. 103969 - 103969
Published: Jan. 1, 2024
Heat
transfer
study
influenced
by
various
physical
effects
like
thermal
radiations,
convective
heat
condition
and
slip
is
one
of
the
influential
research
domain
specifically
in
applied
chemical
engineering.
Therefore,
key
purpose
this
to
develop
discuss
performance
ternary
nanofluid
model
including
above
mentioned
parameters.
The
developed
for
laminar
flow
about
stagnation
point
over
a
cylinder's
surface.
Use
similarity
transforms,
properties
nanofluids
particles
are
exercised
obtain
final
model.
Then,
RK-scheme
implemented
demonstration
results
provided
detailed
discussion.
It
noticed
that
λ=0.1,0.2,0.3,0.4,
nanoliquid
movement
boosted
λ=−0.1,−0.2,−0.3,−0.4
control
motion
MBLT
(Momentum
Boundary
Layer
Thickness)
diminishes
saddle
case.
Increasing
transient
A1=0.05,0.10,0.15,0.20
causes
quite
rapid
fluid
molecules.
Further,
it
observed
(α1=0.1,0.2,0.3,0.4),
surface
convection
Bi=0.1,0.2,0.3,0.4
radiations
good
aspects
enhance
transfer.
Also,
decrease
boundary
layer
observed.
For
composite
φ=2.0%,
density
increases
as
105
%(nano),
129
%(hybrid),
145
%(ternary),
dynamic
viscosity
105.18
113.503
122.483
conductivity
106
115.5
131.71
%(ternary)
capacity
diminishes.
Science Progress,
Journal Year:
2023,
Volume and Issue:
106(2)
Published: April 1, 2023
The
study
of
boundary
layer
flows
over
an
irregularly
shaped
needle
with
small
horizontal
and
vertical
dimensions
is
popular
among
academics
because
it
seems
to
have
a
lot
uses
in
fields
as
different
bioinformatics,
medicine,
engineering,
aerodynamics.
With
nanoparticle
aggregation,
magnetohydrodynamics,
viscous
dissipation
all
playing
role
the
flow
heat
transmission
axisymmetric
TiO2-C2H6O2
nanofluid
via
moving
thin
needle,
this
article
provides
guidance
on
how
employ
for
purpose.
In
case,
we
utilized
similarity
transformation
change
dimensional
partial
differential
equation
into
dimensionless
ordinary
equation.
We
utilize
MATHEMATICA
include
shooting
using
RK-IV
methods
after
identifying
numerical
issue.
Several
characteristics
were
measured,
leading
discovery
broad
variety
values
things
like
skin
friction
coefficients,
Nusselt
numbers,
velocity
profiles,
temperature
distributions.
Velocity
profile
decreases
increasing
ϕ,M,e
increases
against
ε.
Temperature
profiles
enhances
ϕ,M,e,ε,
Ec.
reduction
between
fluid
can
be
observed
when
M
ϕ
are
boosted.
Furthermore,
was
also
noticed
increase
transfer
surface
dramatically
ϕ,e,
raised,
whereas
Ec
displayed
opposite
effect.
findings
current
compared
prior
particular
instance
order
confirm
findings.
Excellent
agreement
two
sets
results
found.