Numerical Studying Natural Convection and Entropy Generation Inside Enclosure with Conducting Bodies
Journal of Thermophysics and Heat Transfer,
Год журнала:
2025,
Номер
unknown, С. 1 - 12
Опубликована: Май 13, 2025
Natural
convection
inside
a
square
shaped
cavity
coupled
with
triangular
conducting
steel
bodies
at
bottom
is
considered
herein
the
placement
of
heat
source
underneath
lower
wall.
The
main
objective
to
boost
allocation
rate,
which
necessary
for
many
engineering
appliances.
inclusion
subjected
various
relevant
input
parameters
like
Rayleigh
number
([Formula:
see
text]),
varied
from
[Formula:
text]
and
positioning
text])
0
2/5.
problem
realm
discretized
utilizing
finite
volume
tactic
while
SIMPLE
algorithm
Gauss-Seidel
iterative
technique
are
used
acquire
solution
representing
equations.
It
has
been
eminent
that
behaviors
movement
entropy
production
profoundly
vary
locations
bodies.
rate
enlarges
separation
distance
two
To
obtain
better
design
thermal
appliance,
having
higher
preferred
as
it
results
in
smaller
amount
relatively
rate.
Язык: Английский
Thermal Performance Prediction of Rainwater-Vented Composite Green Roofs Using the VMD-TCN-GRU Model
Journal of Building Engineering,
Год журнала:
2025,
Номер
unknown, С. 112152 - 112152
Опубликована: Фев. 1, 2025
Язык: Английский
Compartive statistical analysis with buoyancy effects on partitioned cavity
International Communications in Heat and Mass Transfer,
Год журнала:
2025,
Номер
164, С. 108843 - 108843
Опубликована: Март 14, 2025
Язык: Английский
CFD‐Enabled Design Optimization of Natural Convection and Entropy Generation in a Porous Quarter‐Circular Cavity
Heat Transfer,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 16, 2025
ABSTRACT
Natural
convection
and
entropy
generation
through
cavities,
including
quarter‐circular
ones
containing
porous
media,
are
vital
in
many
thermal
engineering
application
systems.
This
study
introduces
a
novel
approach
by
investigating
the
hydrothermal
performance
of
cavity
using
response
surface
methodology
(RSM)
integrated
with
computational
fluid
dynamics
(CFD)
simulation.
The
multiobjective
optimization
design
is
consideration
to
enhance
heat
transfer
represented
Nusselt
number
(
Nu
m
)
hot
wall
temperature
T
h
minimization
En
skin
friction
coefficient
SFC
).
These
optimizations
considered
under
varying
parameters,
inclination
angle
(0°
≤
θ
360°),
applied
flux
(5
×
10
3
Q
25
W/m
2
,
aspect
ratio
(1
R
3),
porosity
(0.15
ɛ
0.85),
pore
per
inch
(10
PPI
30),
cold
(5°C
c
25°C).
key
findings
indicate
that
optimum
enhances
nearly
6.2
times
at
=
5
while
reducing
SCF
approximately
86.96%,
94.43%,
99.39%,
respectively,
as
optimal
conditions
1,
0.05,
30,
5°C,
0°.
accuracy
RSM
estimating
CFD
results
for
demonstrated
comparing
expected
actual
results.
Thus,
this
investigation
supports
effectiveness
since
it
improves
porous‐enclosure
systems
significantly
reduces
computation
costs
maintaining
high
data
accuracy.
Язык: Английский
Enhanced thermal efficiency on mixed convection flow of TiO2 – water nanofluid inside a double lid driven zigzag cavity with and without heated obstacles insertion
International Journal of Thermofluids,
Год журнала:
2024,
Номер
25, С. 101040 - 101040
Опубликована: Дек. 26, 2024
Язык: Английский