Case Studies in Thermal Engineering,
Journal Year:
2023,
Volume and Issue:
53, P. 103866 - 103866
Published: Dec. 7, 2023
The
significant
goal
of
present
problem
is
to
evaluate
oscillating
frequency
and
amplitude
in
heat
magnetic
flux
with
thermal
conductivity
effects
across
magnetized
porous
cone
under
lower
gravitational
region.
To
maintain
transport
efficiency,
the
conducting
fluid
assumed
as
temperature
dependent.
magnetic-driven
placed
improve
heating
rate
cone,
convective
conditions
are
applied.
implications
conductivity,
surface
flux,
reduced
gravity
on
periodic
behavior
transfer
characteristics
gravity-driven
novelty
this
research.
Using
appropriate
non-dimensional
variables,
model's
nonlinear
governing
partial
differential
has
been
converted
into
a
dimensionless
form.
proposed
model
solved
later
help
finite
difference
approach.
form
equations
convenient
for
numerical
algorithm.
influence
adjusting
parameters,
such
parameter
ζ,
Rg,
Biot
number
Bi,
Prandtl
Pr,
mixed
convection
λ,
porosity
Ω,
prandtl
γ
some
others
stationary
parameters
highlighted.
By
using
FORTRAN
tool,
outcomes
explored
graphs
tabular
It
depicted
that
field
enhances
decreases
because
insulates
excessive
cone.
noticed
velocity
prominent
changes
increases.
concluded
fluctuations
increases
material
extreme
recent
lowered
fields
radioactive
waste,
cooling
electronic
components,
storing
nuclear,
catalysts,
exchangers,
underground
storage
or
nonnuclear
materials,
aircrafts
space
vehicles.
Case Studies in Thermal Engineering,
Journal Year:
2024,
Volume and Issue:
54, P. 104044 - 104044
Published: Jan. 24, 2024
The
primary
objective
of
this
paper
is
to
investigate
the
impact
dusty
hybrid
nanofluid
electromagnetohydrodynamics
(EMHD)
on
stagnation
point
flow
in
presence
solar
radiation.
Base
fluids
contain
ethylene
glycol,
water,
silver,
titanium
alloy,
and
suspended
dust
particles.
Nonlinear
differential
equations
with
two
or
more
independent
variables
define
fluid
phenomena.
governing
can
be
solved
by
MATLAB
solver
employing
a
suitable
numerical
method,
like
R–K
fourth
order
via
shooting
method.
isothermals
for
various
parametric
values
have
been
explained.
Because
it
has
potential
greatly
advance
disciplines
industrial
thermal
engineering,
proposed
model
useful.
When
compared
using
single
base
fluid,
combination
additional
qualities
provides
noteworthy
results.
we
were
able
acquire
lower
freezing
than
water
better
heat
conductivity
pure
glycol
when
employed
fluids.
Glycol
used
car
coolant
heating
systems
variety
purposes.
Impact
embedded
physical
quantities
electric
field
parameter,
ratio
specific
heat,
porosity
radiation
source
particle
interaction
parameter
both
velocity
temperature
are
illustrated
graphically.
Dust
particles
notable
sectors,
including
food
pharmaceutical
industries.
Specifically,
they
special
importance
applications
such
as
wastewater
treatment,
solids
drying,
plastic-coated
metal
items.
In
present
work,
observe
that
enhances
momentum
boundary
layer
(MBL)
thickness
because
dominates
while
incorporating
Ag
+
Ti
alloy/EG
Water.
becomes
efficient
at
evenly
spreading
potentially
resulting
uniform
distribution.
Silver
alloy
may
affect
fluid.
penetration
porous
medium,
which
lowers
friction
between
skin
surface
reduces
resistance.
ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik,
Journal Year:
2024,
Volume and Issue:
104(9)
Published: July 19, 2024
Abstract
An
analysis
of
entropy
is
essential
to
determine
the
heat
transfer
efficiency
characteristics
nanofluids
in
different
applications.
Implementation
carbon
nanotubes
(CNTs)
that
combined
effect
“single‐wall
nanotube”
(SWCNT)
and
“multi‐wall
(MWCNT)
water
shows
their
effective
properties
enhancing
transport
phenomena.
In
general,
these
are
useful
industrial
processes
for
better
shape
product
proposed
as
a
coolant,
cancer
therapy,
solar
radiation,
etc.
Based
on
special
characteristics,
current
investigation
analyses
flow
water‐based
CNT
cross‐hybrid
nanofluid
past
convectively
heated
surface.
The
characteristic
enriches
by
insertion
dissipative
heat,
thermal
external
source/sink.
appropriate
choice
similarity
rules
transforming
governing
designed
problem
non‐dimensional
form
further,
“
spectral
quasi‐linearization
method
(SQLM)
”
imposed
solve
set
equations.
After
getting
result,
process
irreversibility
due
various
factors
obtained,
is,
presented
briefly.
physical
significance
deployed
graphically
described
discussion
section.
However,
validation
with
earlier
result
projected
show
good
correlation.
Multidiscipline Modeling in Materials and Structures,
Journal Year:
2024,
Volume and Issue:
20(6), P. 1328 - 1342
Published: Oct. 7, 2024
Purpose
In
today’s
world,
the
demand
for
energy
to
power
industrial
and
domestic
activities
is
increasing.
To
meet
this
need
enhance
thermal
transport,
solar
conservation
can
be
tapped
into
via
collector
coating
productivity.
Hybrid
nanofluids
(HNFs),
which
combine
nanoparticles
with
conventional
heat
transfer
fluids,
offer
promising
opportunities
improving
efficiency
sustainability
of
renewable
systems.
Thus,
paper
explores
fluid
modeling
application
techniques
analyze
optimize
enhancement
using
HNFs.
A
model
comprising
radiation
copper
(Cu)
alumina
oxide
(Al2O3)
suspended
in
water
(H2O)
over
an
extending
material
device
developed.
Design/methodology/approach
The
formulated
laws
build
relevant
equations,
are
then
solved
Galerkin
numerical
technique
simulated
Maple
software.
computational
results
displayed
various
graphs
tables
showcase
mechanism
system.
Findings
reveal
thermal-radiation-boost
phenomenon
simulations
theoretical
models
help
researchers
understand
how
HNFs
facilitate
Originality/value
originality
study
exploring
properties
within
systems
under
influence
nonlinear
radiation.
Case Studies in Thermal Engineering,
Journal Year:
2023,
Volume and Issue:
51, P. 103540 - 103540
Published: Sept. 26, 2023
Heat
transfer
in
burners,
combustion
engines
and
energy
consumption
through
nuclear
explosions
is
significantly
influenced
by
radiations.
In
missile
nozzles,
power
plants
for
aerospace
uses,
gaseous-core
rocket
systems,
the
radiations
are
considered
evaluating
heating
significance.
The
significance
of
present
study
to
compute
heat
magnetic
flux
behavior
across
various
angles
π/6,
π/4,
π/3,
π/2,
π
3π/2
gravity-driven
magnetized
cylinder
under
gravity
modulation,
thermal
radiation
viscous
dissipation.
aim
this
research
examine
wave
oscillations
current
density
along
magnetic-driven
circular
cylinder.
computational
mathematical
model
evaluated
terms
coupled
periodic
partial
differential
equations
(PDE).
appropriate
dimensionless
variables
used
convert
governing
into
non-dimensional
form.
formulations
transformed
steady
oscillatory
To
explore
physical
numerical
findings,
finite
difference
method
with
primitive
applied
smooth
algorithm
FORTRAN
language.
significant
results
explored
pertinent
parameters.
transmission
plotted
using
state
temperature
boundary
layers.
It
found
that
prominent
amplitude
velocity
increases
as
reduced
at
each
angle.
maximum
oscillating
enhances
angle
dissipations
solar
increases.
Case Studies in Thermal Engineering,
Journal Year:
2023,
Volume and Issue:
53, P. 103782 - 103782
Published: Nov. 23, 2023
Solar
radiation
is
a
very
useful
form
of
energy
such
as
heat
and
current
density
in
gas
turbines,
nuclear
power
plants
thermal
storage.
The
fundamental
source
for
multiple
reactions
the
climate,
oceans,
ecological
system
solar
radiation.
radiative
flow
model
has
significant
applications
generation,
radioactive
reactor
cooling
mechanisms,
heating
boilers,
recycling
underground
materials,
fabrication
glass-fiber
material
textiles.
significance
study
to
reduce
excessive
by
using
magnetized
surface.
main
goal
research
report
Joule
effect
on
magnetic
flux
along
magnetic-driven
porous
cone
under
radiations
lower
gravitational
region.
novelty
this
work
explore
wave
oscillations
with
applied
control
boundary
layer
gravity-driven
cone.
coupled
mathematical
changed
into
non-dimensional
physical
parameters.
steady
oscillatory
parts
are
obtained
Stokes
conditions.
For
smooth
programming
FORTRAN
computing
tool,
primitive
variables
used.
efficient
finite
difference
scheme
used
plot
numerical
findings
Gaussian
elimination
technique.
impact
governing
parameters
involved
problem
transmission
drafted
physically
numerically.
It
noted
that
fluid
velocity
enhances
amplitude
gravity
increases
found
Prandtl
number