Journal of the Korean Solar Energy Society,
Journal Year:
2024,
Volume and Issue:
44(6), P. 79 - 92
Published: Dec. 30, 2024
Semi-Transparent
Photovoltaics
(STPV)
panels
are
integrated
into
building
windows
to
allow
natural
light
transmission
while
generating
electricity.
However,
conventional
energy
simulation
tools
often
underestimate
the
indoor
heat
transfer,
as
they
fail
accurately
account
for
thermal
effects
of
STPV
power
generation.
This
study
develops
an
surface
temperature
prediction
model
modules
simulate
behavior
during
generation
and
enhance
reliability
performance
assessments.
Using
measured
mock-up
data,
Pearson
correlation
multiple
regression
analyses
were
conducted,
production
per
unit
area
(PPA),
outdoor
(OT),
relative
humidity
(RH)
identified
primary
factors
influencing
module.
The
transfer
calculation
involves
comparing
module
with
temperature,
is
applied
only
when
exceeds
2.32
Wh/m2
crystalline
silicon
4.13
amorphous
modules.
Overall,
this
approach
provides
a
refined
assessment
systems,
ultimately
improving
evaluations.
Buildings,
Journal Year:
2025,
Volume and Issue:
15(5), P. 672 - 672
Published: Feb. 21, 2025
This
study
addresses
the
urgent
need
to
improve
energy
efficiency
in
air
conditioning
systems
by
developing
a
low-cost
automated
control
system
for
mini-split
units.
In
alignment
with
United
Nations
Sustainable
Development
Goal
(SDG)
12,
proposed
reduces
consumption
without
compromising
user
comfort.
Implemented
an
educational
building
Jalisco,
Mexico,
integrates
Siemens
Logo
8
PLC,
NodeMCU
ESP12-E
board,
and
open-source
software
operations
through
temperature
sensors
infrared
signal
emitters.
A
quantitative,
descriptive,
correlational
methodology
was
applied,
yielding
significant
results:
10.63%
reduction
34.8%
operating
costs.
Additionally,
maintains
stable
indoor
temperatures
within
optimal
range
of
22
24
°C
while
on
local
network,
ensuring
reliability
constant
internet
access.
The
installation
cost
per
unit
USD
95,
annual
return
investment
30.74%,
which
makes
it
scalable
profitable
modernize
existing
buildings.
highlights
transformative
potential
integrating
technologies
into
management,
offering
practical
replicable
solution
efficiency,
particularly
resource-limited
contexts.
These
contributions
support
global
efforts
mitigate
climate
change,
reduce
carbon
footprints,
promote
sustainability
goals.
E3S Web of Conferences,
Journal Year:
2025,
Volume and Issue:
608, P. 01017 - 01017
Published: Jan. 1, 2025
This
paper
highlights
the
role
of
building
retrofitting
in
developing
energy-resilient
communities
as
a
part
sustainable
urban
regeneration.
Different
approaches
and
technologies
are
covered,
with
improving
energy
performance
existing
buildings
by
utilizing,
among
others,
innovative
insulation
materials
or
renewable
sources
for
heat
supply
combined
advanced
smart
control
systems.
The
case
studies
from
different
parts
world
illustrate
that
this
techno-economically
viable
approach
can
reduce
around
40
%
consumption
emissions,
making
more
sustainable.
analysis
new
economic
regulatory
is
connected
government’s
incentives
well
public
engagement
positive
communities.
also
documents
an
extensive
evaluation
retrofit
their
application,
demonstrating
critical
contribution
retrofits
make
towards
achieving
enduring
sustainability.
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(4), P. 1724 - 1724
Published: Feb. 8, 2025
To
meet
the
2050
targets
about
climate
change
and
decarbonization,
accomplishing
thermal
comfort,
Internet
of
Things
(IoT)
ecosystems
are
key
enabling
technologies
to
move
Built
Environment
(BE)
towards
Smart
(SBE).
The
first
contributions
this
paper
conceptualise
SBE
from
its
dynamic
adaptative
perspectives,
considering
human
habitat,
enunciate
as
a
multidimensional
approach
through
six
ways
inhabiting:
defensive,
projective,
scientific,
thermodynamic,
subjective,
complex.
From
these
premises,
analyse
performance
indicators
that
characterise
multidisciplinary
inhabiting,
an
IoT-driven
methodology
is
proposed:
deploy
sensor
infrastructure
acquire
experimental
measurements;
data
convert
them
into
context-aware
information;
make
knowledge-based
decisions.
Thus,
work
tackles
inefficiency
high
energy
consumption
public
buildings
with
challenge
balancing
efficiency
user
comfort
in
scenarios.
As
current
systems
lack
real-time
adaptability,
integrates
enhance
management
reduce
discrepancies
between
measured
temperatures
normative
thresholds.
Following
directives,
obtained
results
contribute
following:
understanding
complexity
by
analysing
performance,
quantifying
potential
saving,
estimating
economic
impact.
derived
conclusions
show
solutions
allow
generation
real-data-based
models
on
which
knowledge,
increasing
guaranteeing
while
minimising
environmental
effects
Energies,
Journal Year:
2025,
Volume and Issue:
18(9), P. 2186 - 2186
Published: April 24, 2025
Energy
conservation
renovation
of
existing
buildings
is
a
crucial
aspect
sustainable
energy
development.
This
study
examines
the
annex
university
sports
training
building
in
Guangzhou,
highlighting
conflict
between
maintaining
landscape
visibility
and
mitigating
excessive
solar
radiation
thermal
conditions
following
without
external
shading.
Specifically,
analysis
focuses
on
scenarios
where
building’s
primary
orientation
aligns
with
region’s
unfavorable
orientation.
To
address
this
challenge,
five
facade
optimization
strategies
are
proposed,
four
which
incorporate
shading
solutions:
horizontal
shading,
vertical
baffle
inclined
comprehensive
system.
Performance
simulations
were
conducted
using
Ladybug
Honeybee
tools
within
Grasshopper
platform
to
evaluate
multi-objective
visual
performance
under
constraints.
The
findings
demonstrate
that
an
integrated
system
significantly
influences
both
consumption
performance.
Notably,
46°
scheme
proves
particularly
effective
Guangzhou
context,
successfully
reducing
radiation,
improving
indoor
lighting
quality,
lowering
consumption,
while
minimizing
obstruction.
These
results
provide
valuable
insights
for
developing
energy-efficient
similar
region.
