Lubricants,
Journal Year:
2024,
Volume and Issue:
12(12), P. 419 - 419
Published: Nov. 28, 2024
In
this
paper,
the
lubrication
flow
field
model
for
an
angular
contact
ball
bearing
considering
characteristics
of
nozzle
position
was
constructed
with
CFD
methods,
and
simulation
results
were
compared
validated
test
results.
The
research
carried
out
on
lubricant
distribution
in
cavity
under
different
angles
heights,
optimized
response
surface
methodology.
show
that
are
closely
related
to
angle
height.
weighted
average
oil
phase
volume
fraction
cage
guiding
decreases
first
then
increases
increase
height
surface.
optimal
determined
by
finding
maximum
value
regression
function
specified
area.
Journal of Tribology,
Journal Year:
2024,
Volume and Issue:
146(10)
Published: June 4, 2024
Abstract
Optimizing
bearing
performance
is
based
on
effective
lubrication,
especially
in
high-speed
machinery,
where
minimizing
churning
and
drag
losses
of
significant
importance.
Over
the
past
few
decades,
extensive
research
has
been
conducted
into
better
understanding
different
aspects
lubrication.
These
investigations
have
employed
a
combination
experimental
methods
advanced
computational
fluid
dynamics
(CFD)
models.
This
article
provides
comprehensive
overview
critical
with
specific
emphasis
recent
advances
CFD
Lubricant
flow
distribution
patterns
are
discussed
while
examining
their
impact
losses.
An
discussion
provided
meshing
strategies
modeling
approaches
used
to
simulate
various
phenomena
within
bearings.
In
addition,
relevant
trends
impacts
cage
design
lubrication
friction
explored,
along
prevailing
limitations
that
can
be
addressed
future
Physics of Fluids,
Journal Year:
2025,
Volume and Issue:
37(4)
Published: April 1, 2025
Lubricant
flow
in
rolling
element
bearings
is
quite
complex
due
to
the
motion
of
balls,
cage,
and
inner
outer
races.
This
phenomenon
further
complicated
at
high
speeds.
study
aims
experimentally
investigate
lubricant
condition
on
bearing
surfaces
under
high-speed
(HS)
conditions.
The
primary
tests
were
conducted
using
a
dedicated
test
rig
with
rotating
ball
race
setups.
At
speeds,
levitated
from
surface
race.
levitation
was
found
be
governed
by
three
factors:
speed,
properties,
finish.
A
camera
used
capture
various
speeds
ranging
3.8
27.9
m/s.
experimental
results
revealed
that
as
speed
increases,
aerodynamic
Leidenfrost
effect
becomes
significant,
which
inhibits
adhesion
surfaces.
influence
properties
investigated
testing
lubricants
varying
viscosities,
while
finish
examined
comparing
coatings
different
wettability
characteristics.
observations
this
investigation
provide
fundamental
insight
into
critical
parameters
influencing
levitation,
adhesion,
and,
consequently,
lubrication
tribology
applications.
ConcienciaDigital,
Journal Year:
2024,
Volume and Issue:
7(1), P. 82 - 99
Published: Feb. 15, 2024
Introducción:
Hoy
en
día
la
temperatura
de
trabajo
se
ha
convertido
variable
más
importante
evaluación
técnica
del
rendimiento
general
un
rodamiento
rígido.
Esto
debe
principalmente
a
que
varios
factores
críticos
tienen
una
mayor
o
menor
dependencia
trabajo,
funcionamiento
como
viscosidad
lubricante,
capacidad
carga,
distribución
carga
y
pérdida
potencia
distintas
investigaciones
demostrado
proporcionalidad.
Objetivo:
En
este
artículo
determina
rígido
bolas
618
función
variables
operativas
densidad
película
lubricante
velocidad
al
está
expuesto
elemento
dentro
proceso
industrial
trituración
minerales.
Resultados:
Se
realizaron
27
mediciones
in
situ
velocidades
operaciones
entre
1200
3600
revoluciones
por
minuto
densidades
lubricantes
100
135
centistokes.
Estos
datos
obtenidos
fueron
procesados
mediante
ANOVA
multifactorial
para
establecer
influencia
las
antes
expuestas
relación
con
resultado
pudo
influye
forma
directa
sobre
variación
estudio,
lo
implica
esta
ser
analizada
cuando
reemplace
dimensione
el
rodamiento.
Conclusiones:
concluyo
tiene
estudio
tipo
utilizado
mismo,
además
determinar
presente
aporta
significativamente
ejecución
tareas
mantenimiento,
elaboración
planes
producción
análisis
causa
raíz
fallas
activos
elementos
rotarios
bajo
contextos
operacionales
nivel
industrial.
Área
general:
Ingeniería.
específica:
Ingeniería
Industrial.
Dynamics,
Journal Year:
2024,
Volume and Issue:
4(3), P. 731 - 746
Published: Sept. 19, 2024
The
distribution
of
oil
and
gas
phases
around
ball–raceway
local
regions
is
an
important
basis
foundation
for
determining
whether
a
bearing
sufficiently
lubricated.
To
obtain
the
phase
law
in
inner
raceway–ball
contact
region
(IBCR)
outer
(OBCR)
ball
with
under-race
lubrication,
numerical
simulation
method
used.
effects
rotation
speed,
flow
rate,
viscosity,
density
on
these
two
are
studied.
results
indicate
that
exhibited
significant
periodic
changes
both
time
space.
Compared
IBCR,
OBCR
more
uniform.
Increasing
speed
reducing
rate
made
IBCR
Changing
viscosity
only
alters
pattern
OBCR.
may
not
affect
fluid
state
or
bearing.
