2022 4th International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE),
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 5
Published: Feb. 29, 2024
The
hazardous
effect
of
lunar
dust
on
hardware
and
humans
is
one
the
most
problematic
factors
in
planning
automated
human
missions
to
Moon.
To
reduce
possibly
eliminate
this
impact,
studies
dynamics
under
laboratory
conditions
are
being
conducted.
promising
methods
for
determining
motion
parameters
particles
such
optical
based
digital
image
processing.
aim
work
develop
algorithm
simulation
stereo
images
trajectories
microparticles
simulated
soil
observed
conditions.
results
choosing
optimal
particle
trajectory
imaging
presented.
They
can
be
used
further
exclude
influence
these
larger
scale
estimate
measurement
system.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: July 1, 2024
Abstract
The
present
study
explores
the
effect
of
a
magnetic
field
on
thermal
conductivity
two-dimensional
(2D)
Yukawa
systems
in
wide
range
system
parameters
using
non-equilibrium
molecular
dynamic
method
(NEMD).
We
consider
an
external
with
$$\Omega
=\omega
_c/\omega
_p\le
1$$
Ω=ωc/p≤1
(with
$$\Omega$$
being
ratio
cyclotron
frequency
to
plasma
frequency)
and
coupling
parameter
values
$$1\le
\Gamma
\le
100$$
Γ100
$$\Gamma$$
Coulomb
interaction
energy
at
mean
inter-particle
distance
particles).
results
show
that
uniform
reduction
considered
.
Additionally,
we
found
conduction
is
weaker
larger
parameter.
To
ensure
calculated
for
are
accurate
reliable,
performed
detailed
investigation
convergence
respect
simulation
NEMD
strong
field.
believe
presented
will
serve
as
useful
benchmark
data
theoretical
models
systems.
Materials Today Nano,
Journal Year:
2024,
Volume and Issue:
27, P. 100503 - 100503
Published: July 24, 2024
Dust
contamination
is
a
frequent
problem
when
processing
materials
at
the
nanoscale
by
plasma
technology.
Various
approaches
have
thus
been
applied
to
protect
samples,
however,
requiring
adjust
properties
which
also
imposes
limitations
on
process
window.
We
therefore
propose
near-plasma
chemical
(NPC)
surface
engineering
as
way
avoid
dust
during
and
after
operation
without
altering
environment
simply
locating
polymeric
mesh
above
samples
in
sheath.
Because
of
electric
potential
acquired
mesh,
heavy
charged
particles
cannot
pass
open
area
avoiding
their
contact
with
positioned
below.
Samples
fabricated
NPC
are
dust-free
independently
size
or
origin
powder
nanoparticles.
This
neat
approach
can
support
many
high-precision,
applications
technology
an
industrial
scale.
Physics of Plasmas,
Journal Year:
2024,
Volume and Issue:
31(8)
Published: Aug. 1, 2024
A
strongly
coupled
quasi-two-dimensional
dusty
plasma
confined
electrostatically
in
the
sheath
of
a
radio
frequency
(RF)
is
irradiated
by
collimated
and
mono-energetic
pulsed
electron
beam
(e-beam)
with
an
energy
13
keV
high
peak
current
per
pulse
30
mA.
stream
rapidly
moving
charged
dust
particles
created
inside
crystal
due
to
drag
force
electrons
e-beam.
The
flow
split
into
two
symmetrical
branches
when
it
reaches
boundary
round
crystal,
each
following
limit
circular
confining
region.
This
results
formation
double
vortex
pattern
being
transported
along
irradiation
direction
then
aside,
eventually
back
entrance
position
observed
regime
laminar
at
all
times,
speed
central
region
increasing
up
12
mm
s−1
first
200
ms
diminishing
gradually
steady
value
about
5–6
during
stress
relaxation
time
period
360
ms.
vorticity
follows
similar
trend
values
−3.8
3.8
state
between
−2.5
2.5
vortices.
Time-resolved
particle-image-velocimetry
particle-tracking-velocimetry
are
used
characterize
flow.
Molecular
dynamics
simulations
confirm
qualitatively
experimental
observations
showing
formation.
Plasma Sources Science and Technology,
Journal Year:
2024,
Volume and Issue:
33(11), P. 115004 - 115004
Published: Oct. 24, 2024
Abstract
This
study
compares
the
growth
cycles
and
spatial
distribution
of
dust
cloud
for
titania
carbonaceous
dusty
nanoparticles
in
capacitively
coupled
radiofrequency
plasmas,
with
without
presence
a
weak
magnetic
field
approximately
500
Gauss.
Findings
on
cycle
time,
rate,
are
discussed.
The
these
plasmas
is
cyclic,
particles
reaching
their
maximum
size
subsequently
moving
out
plasma,
followed
by
generation
new
particle
cycle.
speeds
up
both
plasma.
also
makes
two
different
from
each
other.
Langmuir
probe
measurement
background
plasma
parameters
such
as
electron
temperature
floating
potential
reveal
radial
variations
but
not
temperature.
Furthermore,
changes
variation
potential.
These
measurements,
however,
sufficient
to
explain
why
clouds
appear
differently.
It
possible
that
differences
occur
due
gradient
field.
2022 4th International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE),
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 5
Published: Feb. 29, 2024
The
hazardous
effect
of
lunar
dust
on
hardware
and
humans
is
one
the
most
problematic
factors
in
planning
automated
human
missions
to
Moon.
To
reduce
possibly
eliminate
this
impact,
studies
dynamics
under
laboratory
conditions
are
being
conducted.
promising
methods
for
determining
motion
parameters
particles
such
optical
based
digital
image
processing.
aim
work
develop
algorithm
simulation
stereo
images
trajectories
microparticles
simulated
soil
observed
conditions.
results
choosing
optimal
particle
trajectory
imaging
presented.
They
can
be
used
further
exclude
influence
these
larger
scale
estimate
measurement
system.
