Analytical
wake
models
can
be
seamlessly
integrated
into
optimization
algorithms,
making
them
convenient
for
performing
complex
calculations
in
problems.
Consequently,
developing
an
appropriate
model
is
always
a
challenging
endeavor.
This
paper
introduces
novel
semi-analytical
based
on
turbulent
concept
and
numerical
analysis.
The
central
innovation
of
this
study
involves
the
incorporation
blade
Element
Momentum
(BEM)
theory
along
blade,
coupled
with
third-order
polynomial
function.
combination
enables
consideration
both
nacelle
effect
profile,
as
well
impact
blades
themselves.
By
employing
method
conjunction
self-similarity
concept,
resulting
profile
derived
not
only
near
wake,
but
also
at
varying
axial
distances
behind
turbine,
extending
far
wakes.
An
important
observation
that
exhibits
non-uniform
shape
due
to
influence
BEM
effect.
more
accurate
than
traditional
bell/Gaussian-shaped
studies.
Additionally,
recent
survey,
Actuator
Disk
(AD)
was
refined
incorporate
nacelle’s
within
simulation
process.
A
comparison
between
developed
analytical
reveals
strikingly
similar
results,
demonstrating
strong
alignment
trend
value.
Discover Energy,
Journal Year:
2025,
Volume and Issue:
5(1)
Published: Jan. 6, 2025
The
transition
from
conventional
non-renewable
and
fossil
fuels
to
renewable
energies
represents
an
innovative
approach
toward
achieving
environmental,
economic,
social
sustainability.
This
has
gained
more
importance
due
global
warming
environmental
issues.
A
significant
portion
of
carbon
emissions
energy
consumption
is
attributed
developed
countries.
Despite
the
many
similarities,
these
countries
have
different
performance
in
field
energy.
Thus,
must
be
ranked
according
attitude
renewables.
To
able
identify
beneficial
harmful
factors
among
them.
In
this
article,
G7
were
by
using
TOPSIS
method.
use
method
used
for
first
time
survey
it
shows
that
new.
For
each
country,
a
set
primary
data
such
as
total
power
generation,
generated
source,
dioxide
emissions,
etc.
collected.
Subsequently,
five
parameters
calculated
based
on
country:
per
dollar
GDP,
ratio
renewables
capita
production
capacity
capita,
population
density,
impact
investment
GDP.
score
was
assigned
seven
ranking,
Britain
place
Canada
took
last
place.
Notably
European
countries,
which
rely
less
resources,
generally
outperformed
other
nations,
nations.
Energy Technology,
Journal Year:
2024,
Volume and Issue:
12(3)
Published: Jan. 1, 2024
The
present
study
investigates
the
provision
of
heating,
cooling,
electricity,
and
domestic
hot
water
consumption
for
a
100
m
2
off‐grid
zero‐energy
residential
building
housing
four
occupants.
Notably,
is
equipped
with
hydrogen
stove
cooking,
its
electricity
sustained
throughout
year
using
renewable
energies,
independently
electrical
grid,
energy
storage.
Using
Trombe
wall
surplus
power
converted
stored
in
dedicated
tank.
TRNSYS
software
models
analyze
system,
demonstrating
thermal
comfort
98.3%
year.
With
83
photovoltaic
panels,
house
operates
off‐grid,
slashing
CO
emissions
by
8154.7
kg
annually
reducing
boiler
through
waste
heat
utilization.
tank
minimizes
required
battery
size
while
significantly
contributes
to
especially
colder
climates.
Remarkably,
building's
usage
curtails
up
8.5
times
more
than
Toyota
Prius,
showcasing
environmental
impact
greenhouse
gas
emissions.
Energies,
Journal Year:
2024,
Volume and Issue:
17(13), P. 3197 - 3197
Published: June 28, 2024
To
achieve
a
low-carbon
energy
transition,
it
is
essential
to
ensure
that,
as
long
fossil
fuels
are
needed,
their
production
sustainable,
minimizing
the
environmental
impact
and
securing
resources
for
advancing
greener
technologies,
in
alignment
with
SDGs
7,
13,
14.
Enhanced
oil
recovery
(EOR)
increases
rates
without
new
developments.
The
recent
expansion
of
BRICS
consortium,
involving
major
producers,
underscores
need
evaluate
EOR
particularly
potential
gaps
that
could
hinder
global
transition
strategies.
We
analyzed
intermediate
levels
technological
readiness
(TRLs)
utilizing
patents
(TRL4-5)
articles
(TRL3)
18
methods
between
2002
2021.
Composite
indicators
derived
from
including
compound
annual
growth
rate,
specialization,
concentration,
diversification,
Gini
inequality
were
employed.
Both
nonBRICS
exhibited
analogous
distributions
(particularly
Norway,
United
Kingdom,
Canada)
Russia,
China,
Ukraine).
decline
among
negative
suggest
plateau
traditional
methods.
However,
environmentally
low-impact
experiencing
exponential
emergence
(low
salinity
water,
MEOR,
polymers
macromolecular
compounds,
associations
surfactants,
WAG).
groups
self-sufficient
EOR,
ensuring
responsible
transition.
This
ensures
quality
while
facilitating
maturation
renewable
technologies.
Sustainability,
Journal Year:
2025,
Volume and Issue:
17(5), P. 1930 - 1930
Published: Feb. 24, 2025
This
paper
examines
the
geopolitical
challenges
and
regulatory
barriers
affecting
direct
air
transport
connectivity
between
China
UAE,
with
a
focus
on
their
implications
for
BRICS+
cooperation
sustainable
tourism
development.
While
both
countries
have
established
strong
aviation
ties,
factors
such
as
regional
conflicts,
airspace
restrictions,
diplomatic
issues
hindered
seamless
connectivity.
study
utilizes
policy
analysis
risk
assessments
to
identify
key
bottlenecks
in
existing
agreements
propose
strategic
recommendations
enhance
links.
By
exploring
intersection
of
policy,
geopolitics,
tourism,
this
contributes
understanding
broader
improving
economic
integration
growth
Global
South.
The
findings
underscore
potential
driver
development
emerging
economies,
particularly
context
China–UAE
relations
within
framework.
