Journal of Engineering Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 1, 2024
A
numerical
simulation
was
performed
to
investigate
the
characteristics
of
thermo-fluids
and
irreversibility
generation
laminar
forced
convection
through
three
different
channel
designs.
This
article
first
presents
a
comprehensive
study
combination
straight
wavy
sections
in
order
create
balance
between
improved
thermal
performance
from
design
optimized
flow
properties
section,
leading
an
overall
enhancement
cooling
efficiency.
novel
has
been
considered
using
configuration
that
consists
lengths
is
named
(cases
I,
II,
III).
The
outcomes
are
shown
terms
average
Nu,
ratio
(ER),
factor,
total
generation,
as
well
contours
streamlines,
isothermal,
Bejan
numbers
for
values
Reynolds
number
range
5≤Re≤400
dimensionless
wave
amplitude
0.3≤α≤0.6.
results
were
compared
cases
with
plane
channel,
revealing
augmentation
HTR
73.7%,
64.9%,
43.3%
III,
respectively.
On
other
hand,
both
Re
α,
increases
continuously.
Open Physics,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Jan. 1, 2024
Abstract
The
thermo-diffusion
applications
of
nanofluid
subject
to
variable
thermal
sources
have
been
presented.
significance
Darcy–Forchheimer
effects
is
attributed.
flow
comprises
the
mixed
convection
and
viscous
dissipation
effects.
Furthermore,
influence
viscosity,
conductivity,
mass
diffusivity
treated
analyze
flow.
analysis
problem
referred
convective
constraints.
analytical
simulations
are
proceeded
with
homotopy
method.
convergence
region
highlighted.
Novel
physical
contribution
parameters
visualized
graphically.
It
noted
that
larger
Brinkman
number
leads
improvement
in
heat
transfer.
concentration
pattern
boosted
due
Soret
number.
wall
shear
force
enhances
Hartmann
conductivity
coefficient.
Results in Physics,
Journal Year:
2024,
Volume and Issue:
63, P. 107863 - 107863
Published: July 6, 2024
In
the
current
proceeding,
flow
of
incompressible
non-Newtonian
nanofluid
called
Casson
is
considered.
A
conical
gap
occurred
among
rotating
disc
and
cone
filled
with
fluid
flow.
Heat
mass
transport
through
this
done
by
convection
mode
heat
transfer.
The
impacts
microorganisms,
chemical
processes,
thermal
radiation,
minimal
amount
energy,
magnetic
field
are
also
considered
in
mathematical
model
problem.
nano-fluid
governing
equations
interpreted
cylindrical
coordinates.
By
implementing
proper
similarity
transformations,
modeling
PDEs
momentum,
concentration,
microorganism
density
transformed
into
non-linear
ODEs.
set
ODEs
that
deals
distributions
temperature,
velocity,
motile
microorganisms
produced
technique.
MATLAB
in-built
'bvp4c'
technique
utilized
to
solve
these
equations.
Findings
displayed
graphically
elaborated
theoretically.
primary
goal
work
examine
effects
during
rotation
as
well
other
variables
on
rotation.
temperature
radial
velocity
found
be
negatively
impacted
parameter
whereas
azimuthal
positively
impacted.
parametric
values
taken
0.1
Results in Engineering,
Journal Year:
2024,
Volume and Issue:
23, P. 102645 - 102645
Published: Aug. 3, 2024
Micropolar
fluids
are
that
contain
rigid
and
randomly
oriented
particles
immersed
in
a
viscous
fluid,
such
as
lubricants
dirt
metal
scraps
from
shearing.
These
undergo
translational
rotational
motion
simultaneously
the
fluid.
When
heat
is
transferred
between
non-metallic
mediums,
an
impedance
to
phonons
experienced.
This
gives
rise
temperature
jump
phenomenon.
The
continuous
disruption
of
thermal,
concentration
equilibrium
conditions
common
feature
most
industrial
processes.
concept
relaxation.
paper
investigates
combined
effects
jumps
relaxation
effects.
A
system
partial
differential
equations
formulated
capture
dynamics.
converted
into
boundary
value
problem
solved
numerically
using
spectral
quasilinearization
method.
Our
key
results
show
increasing
micro-inertia
density
accelerates
fluid
increases
micro-rotation
while
reducing
layer.
parameter
shown
reduce
wall
couple
stress.
