Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 18, 2024
Flow
sensing
exhibits
significant
potential
for
monitoring,
controlling,
and
optimizing
processes
in
industries,
resource
management,
environmental
protection.
However,
achieving
wireless
real-time
omnidirectional
of
gas/liquid
flow
on
a
simple,
self-contained
device
without
external
power
support
has
remained
formidable
challenge.
In
this
study,
compact-sized,
fully
self-powered
flowmeter
(CSWF)
is
introduced
with
small
size
diameter
down
to
less
than
50
mm,
which
can
transmit
signals,
as
driven
by
rotating
triboelectric
nanogenerator
(R-TENG).
The
R-TENG
triggers
the
breakdown
discharge
gas
tube
(GDT),
enables
rate
through
emitted
electromagnetic
waves.
Importantly,
performance
CSWF
not
affected
R-TENG's
varied
output,
while
transmission
distance
greater
10
m.
Real-time
remote
monitoring
wind
speed
water
successfully
demonstrated.
This
research
introduces
an
approach
achieve
wireless,
system
diverse
range
applications,
including
prolonged
meteorological
observations,
marine
environment
early
warning
systems
natural
disasters,
ecosystem
monitoring.
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(23), P. 11452 - 11452
Published: Dec. 9, 2024
Energy
harvesting
technology
plays
an
important
role
in
converting
ambient
energy
into
useful
electrical
to
power
wireless
sensing
and
system
monitoring,
especially
for
systems
operating
isolated,
abandoned
or
embedded
locations
where
battery
replacement
recharging
is
not
a
feasible
solution.
This
paper
provides
integrative
study
of
the
methodologies
technologies
from
fluid
flow-induced
vibration
(FIV).
The
recent
research
endeavors
contributing
flow-based
have
been
reviewed
present
state-of-the-art
issues
challenges.
Several
mechanisms
on
FIVs
including
vortex-induced
vibrations
(VIVs),
flutter,
galloping
wake
are
thoroughly
discussed
terms
device
architecture,
principles,
transduction,
voltage
production
generation.
Additionally,
advantages
disadvantages
each
FIV
mechanism
also
talked
about.
Power
enhancement
methods,
such
as
induced
nonlinearities,
optimized
harvester’s
configuration,
hybridization
coupling
aerodynamic
instabilities,
boosting
output
elucidated
categorized.
Moreover,
rotary
wind
harvesters
discussed.
Finally,
challenges
potential
directions
related
(FBEHs)
mentioned
provide
insight
researchers
development
sustainable
solutions
remote
monitoring
systems.
Advanced Materials Technologies,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 25, 2025
Abstract
Rotary
wind
energy
harvester
has
always
been
the
focus
of
attention
in
field
self‐power
technology.
However,
a
conflict
between
start‐up
and
saturation
rotation
speed
hinders
adaptive
collection
from
low
to
strong
speeds
different
ranges.
Herein,
self‐powered
system
by
an
aerodynamic‐complementary
triboelectric‐electromagnetic
hybridized
generator
(AC‐TEHG)
equipped
with
triple‐mode
switching
power
management
topology
(TmSPMT)
is
proposed
achieve
self‐adaptive
supply
mode
response
Specifically,
AC‐TEHG
integrates
Savonius
cup
miniaturized
turbine
layered
over
wide‐range
regions
(1.4–16.3
m
s
−1
),
where
triboelectric
nanogenerator
(TENG)
electromagnetic
(EMG)
units
have
excellent
electrical
output
V
oc
,
I
sc
instantaneous
peak
reaching
664
V/10.83
V,
35.96
µA/19.84
mA
8.01
mW/62.45
mW,
respectively.
TmSPMT
can
effectively
respond
ranges
windlessness,
low,
medium,
high
for
steadily
powering
commercial
electronics.
Finally,
wireless
climate
monitoring
developed
indicate
that
sustainable
solution
efficiently
Internet
Things
sensors
variable
speeds.
APL Materials,
Journal Year:
2025,
Volume and Issue:
13(2)
Published: Feb. 1, 2025
Anemometers
play
an
important
role
in
environmental
monitoring
remote
and
unique
locations,
such
as
forests,
islands,
mines.
Self-powered
wind
speed
sensors
offer
a
solution
for
long-term
reliable
unmanned
environments.
However,
current
self-powered
suffer
from
limited
integration,
start-up
range,
insufficient
output
power.
Therefore,
all-in-one
sensor
(ASWS-sensor)
with
wide
range
high
power
is
proposed.
The
ASWS-sensor,
based
on
triboelectric
nanogenerator
electromagnetic
generation
technologies,
features
dual-cup
structure
that
integrates
sensing
energy
harvesting.
This
design
enables
detection
across
broad
1.5
to
15
m/s
achieves
of
1.18
W.
To
meet
the
long-term,
needs
coal
mine
tunnels,
real-time
alarm
system
developed
combining
ASWS-sensor
master
computer.
Notably,
this
system,
use
FIR
filtering
algorithm
effectively
suppresses
significant
noise
encountered
during
collection
single-electrode
signals
microcontroller,
thereby
simplifying
calculation
process.
results
show
when
exceeds
7
m/s,
can
collect,
process,
wirelessly
transmit,
analyze,
display
speed-related
data
without
need
external
supply.
demonstrates
excellent
application
potential
scenarios.
Energy Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 5, 2025
The
power
supply
problem
of
perception
terminals
such
as
micrometeorological
monitoring
sensors
on
high‐voltage
transmission
lines
restricts
their
large‐scale
development.
Herein,
a
hybrid
self‐powered
remote
system
that
integrates
triboelectric
and
electromagnetic
technologies
is
proposed.
In
the
system,
wind
energy
harvesting
device
plays
an
important
role.
It
includes
three
functions:
generator
can
stabilize
5
F
supercapacitor
at
5.34
V
within
417
s
to
microcontroller
unit,
sensor
units,
communication
units;
speed
nanogenerator
rotates
output
AC
signal,
which
detect
line,
fitting
goodness
frequency
reach
0.998;
while
direction
effectively
reduce
overhead,
multisignal
processing
circuit
detection
port
required
for
multiangle
are
optimized
just
two
circuits
signal
ports.
This
work
monitor
speed,
direction,
temperature,
humidity,
air
pressure
field
in
real
time
without
external
supply.
Triboelectric–electromagnetic
has
good
engineering
application
prospect
smart
grid.
