International Journal of Sustainable Engineering,
Journal Year:
2024,
Volume and Issue:
17(1), P. 1173 - 1185
Published: Dec. 7, 2024
In
the
context
of
sustainable
energy
use,
multiple
criteria
are
involved
in
decision
to
select
best
generation
projects,
as
well
its
installation
location.
However,
despite
widespread
use
decision-making
techniques,
there
is
a
noticeable
gap
due
lack
systematic
process
for
selecting
projects
transition.
This
paper
evaluates
alternatives
photovoltaic
panels
floating
systems
and
proposes
procedure
project
using
multiple-criteria
analysis.
The
Entropy
method
was
used
determine
weight
eight
criteria,
including
cost,
number
cells,
efficiency,
area,
panel
weight,
power
characteristics,
Technique
Order
Preference
by
Similarity
Ideal
Solution
(TOPSIS)
make
selection.
A
sensitivity
analysis
conducted
considering
different
weighing
methods.
Among
20
analysed,
proved
be
effective
determining
most
successful
one
systems.
chosen
maintained
performance
all
scenarios
tested.
provides
approach
suitable
systems,
contributing
researchers
refine
methodologies
practitioners
optimise
implementation
initiatives.
Processes,
Journal Year:
2024,
Volume and Issue:
12(10), P. 2080 - 2080
Published: Sept. 25, 2024
The
stability
of
salt
cavern
storage
during
prolonged
operation
is
a
crucial
indicator
its
safety.
This
study
focuses
on
an
operational
underground
gas
facility,
conducting
comparative
numerical
simulations
for
the
natural
and
hydrogen.
We
investigated
evolution
hydrogen
under
long-term
conditions.
main
conclusions
are
as
follows:
(1)
A
new
equation
stress
equilibrium
constitutive
relations
derived.
(2)
At
same
pressure,
effective
at
position
in
interlayer
greater
compared
to
storage,
signifying
higher
level
danger.
(3)
displacement
cavity
top
than
that
storage.
difference
between
two
greatest
9
MPa,
amounting
0.026
m.
(4)
Due
hydrogen’s
lower
dynamic
viscosity
permeability,
depth
extent
plastic
zones
within
interlayers
gas.
When
pressure
15
zone
can
be
up
2.1
m
when
storing
gas,
occurring
third
from
top.
These
research
findings
may
serve
valuable
reference
determining
parameters
on-site
facilities.
Clean Energy,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 6, 2024
Abstract
To
expedite
China’s
pursuit
of
the
“dual-carbon”
goal,
a
gradual
transition
from
traditional
fossil
energy
to
renewable
sources
is
imperative
for
nation’s
mix.
Hydrogen
energy,
poised
become
pivotal
component
future
industry,
offers
myriad
advantages,
including
diverse
sources,
high
efficiency,
cleanliness,
and
density.
Salt
caverns
present
distinct
benefits
underground
storage.
This
research
synthesizes
current
development
trajectories
hydrogen
in
China,
summarizing
disadvantages,
economic
comparisons
various
storage
methods,
with
particular
emphasis
on
merits
salt
cavern
Furthermore,
it
reviews
state
opportunities
both
domestically
internationally,
underscoring
its
substantial
potential
within
China.
Ultimately,
identifies
three
major
scientific
technological
challenges
associated
China
envisions
directions
this
technology.
The
findings
are
anticipated
contribute
strategy
that
aligns
national
conditions.
Advances in science and technology,
Journal Year:
2024,
Volume and Issue:
156, P. 103 - 115
Published: Sept. 9, 2024
The
article
analyzes
the
cooling
systems
that
have
become
stuck
during
operation
of
high-power
electric
machines,
importance
using
water-cooling
for
them
has
been
dubbed.
main
part
research
is
devoted
to
consideration
nutritional
and
detailed
methods
rational
turbogenerators
based
on
use
innovative
environment
protection
technologies,
namely
metal
hydride
hydrogen
storage
technologies
as
an
environmentally
friendly
alternative
motor
fuel.
It
shown
traditionally
used
devices
machines
with
hydrides
intermetallic
compounds
implement
working
processes
thermosorption
compressors,
which
due
ability
reversible
repeatedly
sorb
desorb
at
significantly
different
pressures,
value
determined
by
temperature
potential
thermal
effect,
i.e.
thermochemical
compression
hydrogen.
calculating
parameters
in
designing
such
analyzed,
method
determining
phase
equilibria
suggested.
Mathematical
modeling
sorption
compounds,
performed
basis
mathematical
apparatus
thermodynamic
perturbation
theory
improved
study
example
LaNi
5
,
application
lattice
gas
model
hydrides.
At
same
time,
presence
unchanged
crystal
structure
metal,
increase
volume
process
was
taken
into
account,
leads
appearance
additional
components
energy,
interaction
between
absorbed
atoms
also
account.
calculated
dependences
pressure
plateau
solubility
isotherm
are
good
agreement
experimental
data
available
literature.
system
TG
excludes
occurrence
fire
explosive
situations,
it
increases
level
ecological
safety
indicators.
International Journal of Sustainable Engineering,
Journal Year:
2024,
Volume and Issue:
17(1), P. 1173 - 1185
Published: Dec. 7, 2024
In
the
context
of
sustainable
energy
use,
multiple
criteria
are
involved
in
decision
to
select
best
generation
projects,
as
well
its
installation
location.
However,
despite
widespread
use
decision-making
techniques,
there
is
a
noticeable
gap
due
lack
systematic
process
for
selecting
projects
transition.
This
paper
evaluates
alternatives
photovoltaic
panels
floating
systems
and
proposes
procedure
project
using
multiple-criteria
analysis.
The
Entropy
method
was
used
determine
weight
eight
criteria,
including
cost,
number
cells,
efficiency,
area,
panel
weight,
power
characteristics,
Technique
Order
Preference
by
Similarity
Ideal
Solution
(TOPSIS)
make
selection.
A
sensitivity
analysis
conducted
considering
different
weighing
methods.
Among
20
analysed,
proved
be
effective
determining
most
successful
one
systems.
chosen
maintained
performance
all
scenarios
tested.
provides
approach
suitable
systems,
contributing
researchers
refine
methodologies
practitioners
optimise
implementation
initiatives.
