International Journal of Modelling and Simulation,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 12
Published: Aug. 23, 2024
Bioconvection
in
hybrid
nanofluids
refers
to
the
phenomenon
where
biological
microorganisms
such
as
algae
or
bacteria
exhibit
collective
movement
pattern
formation
a
suspension
containing
nanoparticles.
This
has
significance
various
fields,
including
biology,
nanotechnology,
and
engineering.
The
current
investigation
emphasizes
bioconvective
flow
of
water
(H2O)−ethylene
glycol
(C2H6O2)-based
nanofluid
by
curved
stretched
sheet.
Copper
(Cu)
silver
(Ag)
nanoparticles
are
suspended
base
fluid.
thermal
field
is
analyzed
presence
heat
generation,
dissipation,
Joule
heating,
impact
radiation.
Binary
reactions
associated
with
Arrhenius
energy
accounted
modeling
mass
concentration.
bioconvection
considered
regulate
random
tiny
solid
particles
within
flow.
Boundary
layer
constraints
implemented
eliminate
ineffective
terms
from
modeling.
transformation
procedure
adopted
obtain
governing
system
ODEs.
built-in
code
Mathematica
(NDSolve)
graphical
numerical
results.
results
show
that
velocity
decreases
increasing
porosity
variable
Hartmann
number.
An
opposite
impression
Eckert
number
Schmidt
on
noticed.
Peclet
Lewis
numbers
have
direct
relationship
motile
density.
Ain Shams Engineering Journal,
Journal Year:
2023,
Volume and Issue:
15(2), P. 102422 - 102422
Published: Aug. 8, 2023
The
study
of
flow,
heat
and
mass
transference
Eyring-Powell
fluid
flowing
in
the
existence
micro
cantilever
sensor
is
useful
to
create
enhancement
field
non-Newtonian
fluid.
Darcy-Forchheimer
porosity
medium
considered
for
flow
analysis.
impressions
thermal
radiation,
viscous
dissipation,
generation,
activation
energy,
Soret
Dufour
effects
are
taken
here
investigate
analysis
rate.
phenomena
inspected
under
influence
variable
properties.
motivation
arises
work
this
type
due
their
applications
various
industries
such
as
steam
generators,
chemical
reactors,
system
dying
package
beds,
several
cooling
heating
process
treatment
diseases.
equations
occurred
form
PDEs
then
we
utilize
suitable
similarity
transformations
convert
them
into
ODEs.
These
ODEs
numerically
solved
by
numerical
technique
namely,
'shooting
method'.
result
reveals
that
velocity
upsurges
Hartman
number
coefficient
whereas
opposite
impact
illustrious
coefficient,
inertia
viscosity
parameter.
finding
indicated
can
upturns
temperature
within
conduction
Eckert
number,
generation
number.
rate
enhances
higher
inputs
energy
while
reverse
behavior
seen
difference
coefficient.
Case Studies in Thermal Engineering,
Journal Year:
2023,
Volume and Issue:
49, P. 103285 - 103285
Published: July 11, 2023
Bioconvection
in
fluids
can
be
significantly
influenced
by
melting
thermal
transport,
especially
when
it
comes
to
heat
transfer
and
energy
transmission.
In
a
fluid,
microbes
or
biological
particles
may
move
together
due
physical
chemical
gradients,
such
as
light,
temperature,
concentrations.
This
process
is
known
bioconvection.
bioprocessing,
mobile
microorganisms
employed
create
beneficial
substances
including
biofuels,
medicines,
food
additives.
They
around
freely
the
fluid
thanks
their
motility,
which
improves
mixing
distribution
of
other
substrates
like
nutrients.
The
main
outcomes
current
study
are
provide
comprehensive
numerical
analysis
existing
situation
where
transportation
impact
along
with
action
on
MHD
non-Newtonian
nano
model
under
velocity,
concentration
slip.
Also,
our
derived
results
validated
previously
published
data
against
various
convergence
flow
parameters,
demonstrated
through
tables.
To
more
meaningful
data,
numerous
mathematical
technical
constraints
taken
into
consideration.
Using
required
conversion
technique,
system
PDEs
transmuted
non-linear
ODEs.
shooting
strategy,
evaluate
expressions
numerically
transforming
them
MATLAB
function
bvp4c.
literature
elaborates
few
observations
bio-convection
its
additional
unique
features.
graphs
demonstrate
effects
flows
dimensionless
quantities.
theoretic
might
used
increase
transmission,
engineering
practices,
energy.
Ain Shams Engineering Journal,
Journal Year:
2023,
Volume and Issue:
15(1), P. 102282 - 102282
Published: May 8, 2023
The
proposed
work
is
significantly
important
due
to
its
applications
in
manufacturing
process
of
submarine,
bullets
and
aircrafts,
many
more
engineering
industrial
works
such
as
cooling
heating
processes
chemical
works.
purpose
this
article
scrutinize
the
flow,
heat
mass
transferal
rate
for
boundary
layer
flow
non-Newtonian
fluid
with
variable
characteristics
on
radiative
paraboloid
surface.
which
under
consideration
Cross
model
generalized
Newtonian
it
acts
a
shear
thickening
thinning.
For
sake
transport,
we
have
considered
activation
energy
thermal
radiation
effects.
governing
equations
occurred
PDEs
form
then
transmuted
into
ODEs
by
using
similarity
variables.
graphical
behavior
terms
velocity
field
noted
viscosity
parameter
Hartmann
number
shows
drops
profile.
impact
conductivity
coefficients
here
concluded
that
both
quantities
creates
enhancement
temperature
field.
concentration
transfer
observing
energy,
reaction
coefficient
diffusion
parameters.
Activation
improves
while
diminishes
thickness.
result
varying
Weissenberg
upon
skin
friction
also
analyzed.
Also
comparison
analyses
published
articles
are
presented.
Alexandria Engineering Journal,
Journal Year:
2023,
Volume and Issue:
79, P. 81 - 92
Published: Aug. 8, 2023
Present
work
is
concerned
with
hydromagnetic
bioconvective
chemically
reactive
flow
of
Reiner-Rivlin
nanoliquid.
Analysis
constructed
for
entropy
generation.
Thermal
relation
consists
Joule
heating,
radiation
and
dissipation.
Soret
effect
examined.
Nonlinear
governing
systems
after
adequate
transformations
are
solved
by
ND-solve
technique.
Graphical
analysis
velocity,
microorganism
field,
rate,
thermal
field
concentration
analyzed.
description
coefficient
skin
friction,
density
number,
heat
transport
rate
gradient
studied.
Entropy
increase
detected
higher
magnetic
parameter
while
reverse
trend
holds
velocity.
Clearly
temperature
augments
against
thermophoresis
radiation.
Radiation
intensifies
rate.
Similar
impact
drag
force
noticed.
Concentration
mass
rise
number.
Brownian
motion
variation
results
in
decays.
Large
Peclet
number
leads
to
decrease
whereas
it
the
Arabian Journal of Chemistry,
Journal Year:
2023,
Volume and Issue:
16(4), P. 104589 - 104589
Published: Jan. 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.
Alexandria Engineering Journal,
Journal Year:
2024,
Volume and Issue:
92, P. 321 - 335
Published: March 8, 2024
Motile
microorganisms
play
a
central
role
in
ecosystems
both
natural
habitats
and
laboratory
settings.
Their
contribution
to
nutrient
cycling
is
crucial
their
impact
on
human
health
can
be
significant.
Furthermore,
they
are
promising
various
biotechnological
applications.
Ongoing
studies
of
microbial
motility
represent
dynamic
evolving
field
research
with
profound
implications
for
our
understanding
biology,
ecology,
environmental
science.
The
thermal
properties
the
base
material
extremely
advanced
enable
wide
range
industrial,
technical
process
applications
due
radiation,
variable
heat
transfer
activation
energy.
Researchers
still
working
hard
find
renewable
energy
sources
that
economical
environmentally
friendly.
In
this
regard,
past
decade
has
seen
growing
interest
potential
nanoparticles
as
sources.
current
study
aimed
learn
more
about
rheological
thixotropic
nanofluids
surface
Riga
surrounded
by
rotating
bacteria.
For
this,
theoretical
investigations
have
been
performed
3D
magneto-hydrodynamic
micropolar-based
Casson
nanofluid
influence
generation
considered
present
scenario.
rheology
Brownian
motion,
micro
rotation
thermophoresis
also
accounted
for.
Classical
equations
motion
form
PDEs
transformed
into
ODEs
applying
similarity
variables.
converted
then
solved
help
shooting
algorithm
using
Bvp4c
MATLAB
software.
From
an
engineering
point
view,
impression
physical
flow
parameters
dimensionless
profiles
demonstrated
graphically
tables.
outcomes
show
enhancing
porosity
parameter
significantly
reduces
velocity
while
opposite
behaviour
noted
viscoelastic
parameter.
Moreover,
temperature
concentration
fields
boosted
exponents.
Present
results
validated
existing
ones.
improve
stability
achieved
bioconvection
nanomaterials.
