Vortex-induced vibration and wake interference of two-degree-of-freedom elastically mounted elliptical cylinders in tandem at various spacing
Ocean Engineering,
Год журнала:
2024,
Номер
310, С. 118637 - 118637
Опубликована: Июль 8, 2024
Язык: Английский
Enhancing energy harvesting capability through analysis of flow-induced vibrations in double sprung circular cylinders exposed to turbulent flow: Influence of incidence angle
Ocean Engineering,
Год журнала:
2024,
Номер
309, С. 118598 - 118598
Опубликована: Июнь 28, 2024
Язык: Английский
Numerical investigation of the vortex-induced response characteristics of a circular cylinder rotating on an eccentric shaft
Ocean Engineering,
Год журнала:
2025,
Номер
331, С. 121309 - 121309
Опубликована: Апрель 24, 2025
Язык: Английский
Experimental investigation of flow characteristics around triangular cylinders in various angular orientations in a tandem configuration
Ocean Engineering,
Год журнала:
2025,
Номер
331, С. 121356 - 121356
Опубликована: Май 1, 2025
Язык: Английский
Alignment impact of three unequal-sized square cylinders on the wake flow pattern and fluid forces
Physics of Fluids,
Год журнала:
2024,
Номер
36(12)
Опубликована: Дек. 1, 2024
A
finite
volume
method
and
a
full
multi-grid
technique
are
implemented
to
analyze
the
influence
of
alignment
type
three
unequal-sized
square
cylinders
on
characteristics
wake
flow
pattern
fluid
forces
flow.
Three-square
with
different
dimensions
C1,
C2,
C3
arranged
for
main
combinations,
namely,
in-line
arrangement,
side-by-side
staggered
arrangement.
Analysis
patterns
in
regimes
is
performed
arrangement
Reynolds
number
(Re)
varied
range
(1,
200).
The
second
parameter
type.
including
vortex
shedding
evolution
vortices,
force
coefficients
predicted
analyzed
arrangements
terms
streamlines,
iso-vortices,
drag
(CD)
lift
(CL)
coefficient
evolutions
steady
unsteady
regimes.
Of
great
interest
analysis
combined
effect
adopted
bifurcation
emergence
phenomenon
CL
CD
profiles
while
predicting
critical
each
configuration.
numerical
outcomes
demonstrate
that
Re
values
three-square
have
prominent
characteristics.
study
reveals
regime
appears
at
(Rec
=
63),
76),
finally
specific
value
146).
Furthermore,
time
averaged
explored
discussed.
It
found
causes
strong
reduction
values,
highest
obtained
combination.
Язык: Английский
Flow-induced vibration and heat transfer characteristics of three elliptical cylinders arranged in an isosceles triangle
Physics of Fluids,
Год журнала:
2024,
Номер
36(11)
Опубликована: Ноя. 1, 2024
This
study
investigates
the
flow-induced
vibration
(FIV)
and
heat
transfer
behavior
of
three
heated
cylinders
arranged
in
an
isosceles
triangle
configuration
at
a
Reynolds
number
100.
A
dynamic
model
for
FIV
two-dimensional,
elastically
supported
was
developed
using
computational
fluid
dynamics
simulations
overset
mesh
technology.
The
effects
aspect
ratio
(AR)
angle
attack
(α)
were
examined
by
varying
α
from
30°
to
90°
AR
0.75
2.0,
with
=
1.0
corresponding
circular
cross
section.
To
FIV,
two-degree-of-freedom
motion
analyzed
across
range
reduced
velocities
(Ur
2–12).
results
indicate
that
as
increases,
impact
upstream
cylinder's
wake
on
downstream
gradually
weakens,
resulting
lower
amplitudes
higher
rates
cylinders.
Notably,
when
reaches
90°,
streamwise
amplitude
becomes
almost
negligible.
At
45°,
average
Nusselt
cylinder
is
generally
than
cylinder.
However,
60°,
noticeably
As
lock-in
region
shifts
being
concentrated
Ur
6
8
4
6,
indicating
increase
raises
vortex
shedding
frequency.
Язык: Английский