Energies,
Journal Year:
2024,
Volume and Issue:
17(22), P. 5766 - 5766
Published: Nov. 18, 2024
The
shape
of
a
building
profoundly
impacts
its
energy
consumption
throughout
life
and
is
critical
consideration
in
early
architectural
design.
Despite
significance,
the
influence
on
heating
air
conditioning
usage
remains
insufficiently
understood.
This
study
systematically
analyzes
relationship
between
consumption,
grounded
objective
facts
about
performance
from
perspective
architects
during
initial
design
phases.
analysis
aids
designers
making
informed
decisions.
Key
parameters,
notably
widely
used
coefficient,
are
examined.
across
various
global
China’s
diverse
climate
zones
synthesized.
Current
simulation
tools
methodologies
assessed
to
guide
future
research.
Findings
reveal
predominant
reliance
simulations
for
comparing
use
specific
shapes.
academic
understanding
shape−energy
superficial,
complicating
standardization.
Future
research
should
prioritize
extensive,
multi-parameter
enhance
performance,
thereby
facilitating
energy-efficient
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Abstract
Thermochromic
smart
windows
offer
energy‐saving
potential
through
temperature‐responsive
optical
transmittance
adjustments,
yet
face
challenges
in
achieving
anti‐UV
radiation,
fast
response,
and
high‐temperature
stability
characteristics
for
long‐term
use.
Herein,
the
rational
design
of
Hofmeister
effect‐enhanced,
nanoparticle‐shielded
composite
hydrogels,
composed
hydroxypropylmethylcellulose
(HPMC),
poly(
N,N
‐dimethylacrylamide)
(PDMAA),
sodium
sulfate,
polydopamine
nanoparticles,
anti‐UV,
fast‐response,
all‐day‐modulated
is
reported.
Specifically,
a
three‐dimensional
network
PDMAA
created
as
supporting
skeleton,
markedly
enhancing
thermal
pristine
HPMC
hydrogels.
Sodium
sulfate
induces
effect,
lowering
lower
critical
solution
temperature
to
32
°C
while
accelerating
phase
transition
rates
fivefold
(30
s
vs.
150
s).
Intriguingly,
small‐sized
nanoparticles
simultaneously
enable
high
luminous
66.9%
outstanding
capability.
Additionally,
window
showcases
solar
modulation
(51.2%)
maintains
10.2
reduction
versus
glass
during
all‐day
applications.
The
strategy
effective,
opening
up
new
avenues
manufacturing
fast‐response
durable
thermochromic
energy
savings
emission
reduction.
Sustainability,
Journal Year:
2025,
Volume and Issue:
17(7), P. 3025 - 3025
Published: March 28, 2025
Current
building
energy
modeling
(BEM)
tools
lack
the
capability
to
inherently
simulate
impacts
of
urban
microclimates
on
performance.
While
efforts
have
been
made
integrate
BEM
with
Urban
Microclimate
Modeling
(UMM)
tools,
their
ability
capture
spatial
and
seasonal
microclimate
variations
remains
limited.
This
review
critically
evaluates
existing
microclimate-integrated
approaches
effectiveness
in
complex
interactions
between
form,
microclimate,
Through
an
analysis
94
research
articles,
first
examines
influence
form
microclimates,
followed
by
assessment
how
microclimatic
conditions
impact
use.
Additionally,
it
conventional
frameworks
employed
limitations
representing
dynamic
variations.
The
findings
emphasize
non-linear
heat
exchange
relationships
typically
modeled
using
computationally
intensive
Computational
Fluid
Dynamics
(CFD)-based
UMM
tools.
introduces
a
classification
types:
atmospheric
exchange,
involving
air
temperature,
wind,
humidity,
non-atmospheric
driven
radiative
surrounding
surfaces.
study
further
highlights
that
modifying
standard
weather
files
transfer
coefficients
alone
is
insufficient
for
accurately
near-surface
By
identifying
critical
insights
gaps,
this
establishes
foundation
advancing
next-generation
approaches,
emphasizing
need
efficient
dynamically
responsive
techniques.
Designs,
Journal Year:
2025,
Volume and Issue:
9(2), P. 41 - 41
Published: March 31, 2025
Dynamic
building
envelopes
integrated
with
renewable
energy
sources,
termed
and
Renewable
Source
Building
Envelopes
(DREBE),
provide
an
innovative
approach
to
optimizing
envelope
designs.
Yet,
these
systems
are
not
mature
enough
widely
adopted
in
the
industry
few
literature
resources
employed
understand
them.
These
dynamically
respond
adapt
various
environmental,
energy,
occupancy
demands
for
higher
efficiency
comfort
levels
compared
traditional
while
simultaneously
producing
energy.
Their
potential
climate
change
mitigation
fostering
sustainable
urban
development
warrants
great
attention
from
planners.
Especially
positive
districts,
which
aim
reach
net-positive
goals
through
utilizing
smart
efficient
on
district
level.
This
paper
reviews
like
dynamic
photovoltaic
shading
devices
phase
materials
evaluates
their
performance
by
answering
two
research
questions,
what
current
DBE
trends
they
feasible
achieving
consumption?
The
analysis
conducted
reveals
dominance
of
solar-based
a
need
alternatives.
study
suggests
that
alternatives
wind
as
source
should
be
studied
systems.
Moreover,
highlights
gaps
including
insufficient
data
long-term
application
economic
costs
associated
such
To
address
this
gap,
exploring
depth
some
then
branching
into
combinations
multiple
or
adaptive
components
further
enhance
overall
performance.
By
synthesizing
body
literature,
gives
insights
advancing
crucial
role
future
environments.
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.
Energy and Built Environment,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 1, 2024
Heat
gain
through
the
buildings
opaque
facades
significantly
contributes
to
energy
consumption
of
Heating,
Ventilation,
and
Air
Conditioning
(HVAC)
systems.
In
post-construction
phase,
retrofitting
options
for
reducing
façade
heat
are
limited,
with
cool
paints
being
prevalent
strategy.
However,
efficacy
shading
systems
as
an
alternative
strategy
remains
underexplored
existing
research
predominantly
focuses
on
proof-of-concept
validation,
often
overlooking
a
comprehensive
assessment
system
configurations
across
diverse
climates
building
typologies.
Moreover,
comparative
analysis
performance
potential
synergies
between
is
crucial
understand
their
actual
effectiveness
in
real-world
applications.
To
address
these
gaps,
our
study
undertakes
extensive
parametric
simulation,
taking
into
account
variables
such
configurations,
varying
facade
solar
absorbance
values,
orientation,
climates,
different
The
results
demonstrate
that
use
alone
could
result
HVAC
saving
8-28%,
while
application
(façade
absorptance
value
0.2)
reduce
by
10-35%.
By
combining
paints,
savings
further
increased
2-5%.
findings
this
offer
novel
perspective
selection
technologies,
broadening
sustainable
design
retrofit
options.