Next-generation materials for space electronics: A conceptual review
Adeola Ona-Olapo Esho,
Tosin Daniel Iluyomade,
Tosin Michael Olatunde
и другие.
Open Access Research Journal of Engineering and Technology,
Год журнала:
2024,
Номер
6(2), С. 051 - 062
Опубликована: Апрель 22, 2024
Space
electronics
play
a
pivotal
role
in
enabling
modern
space
missions,
facilitating
communication,
navigation,
remote
sensing,
and
scientific
exploration.
However,
the
extreme
conditions
of
space,
including
temperature
variations,
radiation
exposure,
mechanical
stresses,
pose
significant
challenges
for
materials
used
electronic
components.
This
conceptual
review
explores
next-generation
electronics,
aiming
to
address
these
push
boundaries
performance
reliability.
The
begins
by
outlining
fundamental
requirements
materials,
emphasizing
need
resistance,
shielding,
strength,
thermal
conductivity.
It
then
surveys
current
state-of-the-art
silicon-based
compound
semiconductors,
polymers,
ceramics,
composites,
highlighting
their
strengths
limitations
applications.
Furthermore,
discusses
emerging
technologies,
such
as
2D
organic
quantum
metamaterials,
which
hold
promise
revolutionizing
electronics.
Implementation
strategies
are
proposed,
considering
factors
like
integration
with
existing
systems,
scalability,
cost-effectiveness,
environmental
impact,
regulatory
compliance.
Through
this
review,
insights
provided
into
potential
applications
satellites,
probes,
exploration
beyond.
conclusion
summarizes
key
findings,
underscores
implications
future
offers
recommendations
further
research
development.
By
advancing
state
science
aims
contribute
ongoing
utilization
benefit
humanity.
Язык: Английский
Electrical propulsion systems for satellites: a review of current technologies and future prospects
Adeola Ona-Olapo Esho,
Tosin Daniel Iluyomade,
Tosin Michael Olatunde
и другие.
International Journal of Frontiers in Engineering and Technology Research,
Год журнала:
2024,
Номер
6(2), С. 035 - 044
Опубликована: Апрель 22, 2024
Electrical
propulsion
systems
have
revolutionized
satellite
technology
by
offering
greater
efficiency,
longer
mission
durations,
and
increased
maneuverability
compared
to
traditional
chemical
systems.
This
review
explores
current
technologies
future
prospects
in
the
field
of
electrical
for
satellites.
The
discussion
begins
with
an
overview
existing
technologies,
including
ion
systems,
Hall
effect
thrusters,
pulsed
plasma
thrusters.
Each
technology's
principles
operation,
advantages,
limitations,
notable
applications
are
examined.
delves
into
exploring
advanced
concepts
such
as
magnetoplasmadynamic
variable
specific
impulse
magnetoplasma
rockets,
electrospray
Additionally,
miniaturization
efficiency
improvements,
well
sustainable
green
alternatives,
discussed.
Challenges
opportunities
facing
addressed,
technical
hurdles
like
power
generation
management,
thruster
lifespan,
regulatory
economic
considerations
policy
frameworks
market
dynamics.
In
conclusion,
underscores
critical
role
continued
research
development
As
demand
more
capable
missions
grows,
advancements
will
be
essential
meeting
these
evolving
needs
pushing
boundaries
space
exploration.
Язык: Английский
The role of transformational leadership in enhancing school culture and teaching performance in Yemeni public schools
Frontiers in Education,
Год журнала:
2024,
Номер
9
Опубликована: Июль 8, 2024
This
study
examined
the
mediating
effect
of
school
culture
on
relationship
between
transformational
leadership
and
teaching
performance
in
Yemeni
public
schools.
A
stratified
random
sample
375
teachers
from
schools
Sana’a,
Yemen,
was
selected
to
participate.
Data
were
collected
through
questionnaires
analyzed
using
structural
equation
modeling
with
SmartPLS
3.
The
results
showed
that
a
positive
significantly
predicted
better
performance.
Furthermore,
mediated
These
findings
provide
valuable
insights
for
leaders
critical
role
achieving
excellence.
also
shed
light
mechanisms
improve
educational
implement
policies
student
outcomes.
Thus,
this
addressed
gap
research
connections
styles,
performance,
understudied
context
Yemen’s
education
system.
Язык: Английский
The Moderating Effect of App Trustworthiness and User Attitudes on Intention to Use Adopt Mobile Applications Among Employees in The Oil and Gas Industry
SAGE Open,
Год журнала:
2024,
Номер
14(4)
Опубликована: Окт. 1, 2024
In
today’s
technologically
advanced
world,
the
adoption
of
mobile
applications
has
become
a
transformative
force
across
various
industries,
significantly
impacting
way
businesses
operate
and
manage
their
processes.
One
area
where
are
making
remarkable
impact
is
in
realm
Occupational
Health
Safety
(OHS).
The
integration
OHS
practices
ushered
new
era
efficiency,
accessibility,
data-driven
decision-making,
elevating
workplace
safety
standards
to
unprecedented
heights.
health
paramount
concerns
for
organizations
as
they
strive
create
safe
healthy
work
environments
employees.
Historically,
management
relied
on
manual
paper-based
processes,
which
could
be
time-consuming,
error-prone,
challenging
track
comprehensively.
However,
with
advent
technology,
now
have
opportunity
streamline
protocols,
enhance
communication,
proactively
risks,
all
through
convenience
applications.
This
research
aims
analyze
effects
between
perceived
ease
use
attitude
towards
application.
Perceived
usefulness
Attitude
app,
app
intention
population
this
employees
from
oil
gas
industry
Malaysia.
theory
Technology
Acceptance
Model
(TAM)
was
applied.
danger,
utility,
use,
were
antecedents
apps.
Employees’
intentions
shown
influenced
by
satisfaction
information
system
inventiveness.
study,
devices
categorized
large
or
small
according
screen
size,
while
respondents
young
(<30
years
old)
old
(>30
age.
A
data
collection
545
responses
an
online
survey
32
questions
obtained
analysis.
distributed
via
email
using
Survey
among
factors
investigated
structural
equation
modeling.
We
looked
at
moderating
app’s
trustworthiness
users’
use/adopt
it.
variables’
usefulness,
App,
trust
(integrity)
application
varied
subgroups,
results.
study
also
showed
existence
related
integrity
app.
paper
discusses
survey,
findings,
ramifications
observations.
contributes
current
literature
presenting
empirical
evidence
importance
user
attitudes
industry.
It
broader
implications
improving
strategic
practices.
Язык: Английский