Omnidirectional Transmissive Acoustic Metasurfaces Based on Goldberg Polyhedra
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 29, 2025
Abstract
Acoustic
metasurfaces
(AMs)
are
engineered
structures
that
control
acoustic
wave
propagation,
enabling
applications
such
as
sound
absorption,
beam
steering,
and
holography.
Most
AMs
planar
operate
in
a
single
direction,
limiting
the
spatial
extent
of
target
fields.
The
simultaneous
manipulation
waves
multiple
directions
remains
largely
unexplored,
omnidirectional
have
yet
to
be
realized.
This
study
introduces
design
fabrication
approach
for
capable
generating
custom
fields
anywhere
3D
space.
Inspired
by
Goldberg
polyhedra,
method
is
developed
tiling
sphere
with
phase‐shifting
unit
cells
form
metasurfaces.
balances
high
sphericity,
which
ensures
omnidirectionality,
resolution,
prevents
aliasing
enables
diffraction‐limited
A
strategy
also
presented,
covering
design,
optimization,
construction
an
internal
source.
Numerical
experimental
results
demonstrate
effectiveness
positioning
focal
points
space
forming
complex
acousto‐holographic
patterns,
letters.
work
demonstrates
first
time
equivalent
spherical
electromagnetic
displays
opens
new
avenues
noise
management,
multi‐user
haptics,
multi‐functional
materials,
integrated
devices.
Язык: Английский
A novel framework for selection of renewable energy source based on three-way decision making model under Pythagorean fuzzy credibility numbers
Engineering Applications of Artificial Intelligence,
Год журнала:
2025,
Номер
154, С. 110941 - 110941
Опубликована: Май 15, 2025
Язык: Английский
Perovskite solar module-thermoelectric generator tandem system with high power output
Solar Energy Materials and Solar Cells,
Год журнала:
2025,
Номер
290, С. 113737 - 113737
Опубликована: Май 22, 2025
Язык: Английский
Introduction to Wind Farm Micro-siting
Опубликована: Янв. 1, 2025
Язык: Английский
An Acoustic Metamaterial-Based Psychoacoustic Analysis for Creating a Pleasant Environment in Urban Areas
Lecture notes in civil engineering,
Год журнала:
2024,
Номер
unknown, С. 386 - 391
Опубликована: Дек. 22, 2024
Язык: Английский
OPTIMIZING WIND POWER PLANTS: COMPARATIVE ENHANCEMENT IN LOW WIND SPEED ENVIRONMENTS
Informatyka Automatyka Pomiary w Gospodarce i Ochronie Środowiska,
Год журнала:
2024,
Номер
14(4), С. 46 - 51
Опубликована: Дек. 21, 2024
The
study
aims
to
optimize
wind
farm
efficiency
in
low
speed
regions
using
the
HOMER
Pro
tool
examine
impact
of
turbine
ratings
on
overall
farms.
boosting
is
essential
for
improving
economic
viability
and
grid
integration.
We
propose
establishment
three
farms,
each
possessing
equal
capacities
but
different
individual
1.5
kW,
3.4
kW
5.1
then
their
performance
simulation
environment.
Through
employing
optimization
algorithm,
we
assess
all
farms
over
period
one
year,
taking
into
account
speed,
temperature
geospatial
coordinates.
Although
have
total
capacities,
results
revealed
disparities
generation
abilities,
reaching
up
22%,
favouring
with
smaller
turbines.
Furthermore,
demonstrated
that
as
decreases,
disparity
power
between
increases,
51.9%
November,
month
lowest
speeds.
These
findings
provide
a
comprehensive
understanding
behaviour,
particularly
regarding
sizes,
contribute
research
community's
efforts
enhance
production
regions.
They
also
help
find
solutions
enable
embrace
energy
decrease
fossil
fuel
consumption
such
regions,
fulfilling
international
sustainability
commitments.
Язык: Английский