Computational Realization of Popping Impinging Sprays of Hypergolic Bipropellants by a Eulerian-Lagrangian Approach
Energy,
Год журнала:
2025,
Номер
unknown, С. 134725 - 134725
Опубликована: Янв. 1, 2025
Язык: Английский
Chemical magnetism – surface force to move motors
Physical Chemistry Chemical Physics,
Год журнала:
2024,
Номер
26(37), С. 24542 - 24552
Опубликована: Янв. 1, 2024
If
redox
reactions
occur
on
the
surface
of
a
motor
and
current
loop
arises,
then
in
non-uniform
magnetic
field,
addition
to
usual
force,
such
will
also
be
affected
by
chemical
force.
The
force
belongs
class
forces.
Here
we
analyze
for
first
time
properties
magnets,
which
consist
three
dissimilar
metals,
as
well
field
generated
magnet
using
paramagnetic
nanoparticles.
results
study
show
that
depends
concentration
type
electrolyte,
pH
solution,
temperature,
structure
magnet.
obtained
can
contribute
creation
devices
where
energy
is
directly
converted
into
kinetic
motion.
Язык: Английский
Kinetic monitoring of molecular interactions during surfactant-driven self-propelled droplet motion by high spatial resolution waveguide sensing
Journal of Colloid and Interface Science,
Год журнала:
2024,
Номер
677, С. 352 - 364
Опубликована: Авг. 8, 2024
Hypothesis:
Self-driven
actions,
like
motion,
are
fundamental
characteristics
of
life.
Today,
intense
research
focuses
on
the
kinetics
droplet
motion.
Quantifying
macroscopic
motion
and
exploring
underlying
mechanisms
crucial
in
self-structuring
self-healing
materials,
advancements
soft
robotics,
innovations
self-cleaning
environmental
processes,
progress
within
pharmaceutical
industry.
Usually,
driving
forces
inducing
act
at
molecular
scale,
making
their
real-time
high-resolution
investigation
challenging.
Label-free
surface
sensitive
measurements
with
high
lateral
resolution
could
situ
measure
both
molecular-scale
interactions
microscopic
Experiments:
We
employ
surface-sensitive
label-free
sensors
to
investigate
kinetic
changes
a
self-assembled
monolayer
trimethyl(octadecyl)azanium
chloride
surfactant
substrate
during
self-propelled
nitrobenzene
droplets.
The
adsorption–desorption
various
concentrations,
its
removal
due
moving
organic
droplet,
rebuilding
droplet-visited
areas
all
investigated
excellent
time,
spatial,
mass
density
resolution.
Findings:
discovered
concentration
dependent
velocity
fluctuations,
estimated
adsorbed
amount
molecules,
revealed
multilayer
coverage
concentrations.
desorption
rate
(18.4
s−1)
oil
droplets
was
determined
by
differentiating
between
visited
non-visited
areas.
Язык: Английский
Chemical Magnetism - Mechanism for Moving Motors
Опубликована: Янв. 1, 2024
Hypothesis:
One
of
the
most
prospective
types
motors
are
magnetically
powered
motors.
A
motor
in
a
non-uniform
magnetic
field
is
subject
to
force
that
proportional
volume
material
from
which
it
made.
However,
if
redox
reactions
occur
on
surface
bimetallic
motor,
then
addition
usual
force,
chemical
will
also
act
field,
magnitude
does
not
depend
properties
materials.Experiments:
magnet
was
made
two
or
more
dissimilar
metal
plates
were
connected
each
other.
placed
an
electrolyte
solution
and,
when
exposed
conditions
corresponding
start
movement
recorded.
The
moved
electrolyte-air
interface,
as
well
bulk
electrolyte.Findings:
essence
phenomenon
magnetism
and
current
loop
arises,
such
be
affected
by
force.
area
motor.
By
changing
concentration
type
electrolyte,
pH
solution,
temperature,
structure
magnet,
can
controlled.
Язык: Английский