Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Dec. 5, 2024
The
enormous
potential
of
nanotechnology
has
drawn
attention
to
many
different
fields.
Using
nanoparticles,
bio-convection
become
a
key
phenomenon
in
industrial
and
technical
applications.
Nanofluids
have
emerged
as
effective
solutions
for
addressing
complex
heat
transfer
challenges
modern
engineering.
This
study
aims
develop
comprehensive
three-dimensional
model
Sutterby
nanofluid
flow
with
bio-convection,
investigating
the
effects
nonlinear
thermal
radiation,
gyrotactic
microorganisms,
magnetic
fields
on
efficiency
entropy
generation.
By
optimization,
chemical
processes,
activation
energy,
viscous
dissipation,
field
effects,
research
improve
efficiency.
reveals
dynamics
behavior
by
using
partial
differential
equations
(PDEs)
successively
converted
into
an
ordinary
equation
(ODE)
system.
are
solved
numerically
numerical
technique
bvp4c.
results
analyses
show
relationships
between
concentration
nanofluid,
Biot
numbers,
microorganism
profiles.
indicate
that
while
increase
number
improves
profiles,
Lewis
Peclet
numbers
decreases
concentration.
Critical
elements
greatly
affect
mass
distribution,
transmission,
include
fields,
energy.
With
help
tables,
physical
parameters
skin
friction,
Nusselt
local
Sherwood
thoroughly
investigated.
Physica Scripta,
Journal Year:
2024,
Volume and Issue:
99(9), P. 095202 - 095202
Published: Aug. 1, 2024
Abstract
The
current
work
aims
to
scrutinize
the
bioconvection
Sutterby
nanofluid
flow
of
Cattaneo-Christov
heat
and
mass
flux
over
a
rotating
disk.
effects
thermophoresis
Brownian
motion
receive
considerable
consideration.
process
analyzing
transfer
phenomena
involves
taking
into
account
impacts
thermal
radiation
chemical
reactions
that
are
susceptible
convective
boundary
conditions.
Firstly,
we
reduce
PDEs
physical
model
ODEs
through
alter
transformation
then
numerically
solved
transformed
using
Keller
Box
technique.
An
analysis
numerical
data
follows
ascertain
role
numerous
variables
on
profiles.
Based
findings,
it
is
evident
an
increase
in
fluid
variable
Δ
porous
K
leads
decrease
the,
radial
F
'(
ζ
),
axial
)
tangential
G
(
velocities.
Furthermore,
find
growing
values
Rd
Biot
number
B
T
greatly
aid
raising
fluid’s
temperature.
Concentration
profile
shows
decreasing
behavior
for
rising
Schmidt
Sc
but
upsurge
solutal
C
.
microorganism
decayed
with
greater
Lewis
Lb
Peclet
Pe
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Oct. 22, 2024
Abstract
Energy
transmission
is
widely
used
in
various
engineering
industries.
In
recent
times,
the
utilization
of
hybrid
nanofluids
has
become
one
most
popular
choices
industrial
fields
to
increase
thermal
performance
and
enhance
power
generation,
entropy
reduction,
solar
collectors,
systems.
Motivated
by
this
wide
range
applications,
present
article
explores
mixed
convection
flow
heat
transfer
magnetohydrodynamic
$$\:Ag$$
(
Silver
)
$$\:GO$$
Graphene
a
square
enclosure
with
generation/absorption
using
MAC
method.
The
vertical
walls
are
assumed
be
adiabatic.
horizontal
also
adiabatic
except
for
center
portion
top
bottom
cavity.
upper
wall
maintained
as
cold
$$\:{(T}_{c})$$
lower
hot
$$\:\left({T}_{h}\right)$$
.
dimension
equations
transformed
into
dimensionless
form
then
discretized
solved
finite
difference
Marker
cell
(MAC)
Numerical
modelling
implemented,
changing
Richardson
number
$$\:\left(Ri\right)$$
,
results
located
graphically
MATLAB
software.
Nusselt
graph
was
displayed
Reynolds
(Re),
$$\:\:\left(Ri\right)$$
Hartmann
$$\:\left(Ha\right)$$
findings
show
that
enhancing
values
enhances
number.
indicate
combination
new
model
very
good
at
predicting
conductivity
correlates
experimental
well.
augmenting
strength
magnetic
force
diminishes
fluid
flow.
Developing
coefficients
source
sink
improves
energy
enhancement.
Hybrid
like
$$\:Ag-GO$$
efficiency.
They
improve
cooling
exchangers,
radiators,
electronics,
boost
systems,
aid
cancer
treatment
drug
delivery,
geothermal
wind
turbine
efficiency,
manufacturing
processes.
Overall,
they
optimize
management
applications.
