Journal of Physics Conference Series,
Год журнала:
2023,
Номер
2600(15), С. 152008 - 152008
Опубликована: Ноя. 1, 2023
Abstract
To
tackle
the
upcoming
renovation
wave,
this
work
evaluates
strategies
with
a
life
cycle
GHG
emissions
perspective
and
includes
time
sequencing
in
decision-making
process.
A
case
study
is
used
to
conduct
full
assessment
of
line
Swiss
normative
context.
Improvements
operational
energy
consumption
are
evaluated
an
model
using
software
Lesosai
considering
limits
from
SIA
380/1.
calculated
KBOB
data
inventory
2032
methodology.
The
measures
then
examined
individually
carbon
payback
indicator
cumulative
over
contrast
budgets.
Results
show
that
sequence
refurbishment
steps
can
increase
or
decrease
ca.
30%
lifetime
building.
Changing
fossil-fuel
based
heating
system
most
impactful
measure
must
happen
as
soon
possible.
Switching
decarbonized
systems
reduces
effectiveness
subsequent
but
poses
question
availability.
Fully
renovating
building
delaying
change
by
only
7
years
compromise
achievement
targets.
Photovoltaic
(PV)
panels
have
emerged
as
a
transformative
technology
for
decarbonizing
electricity
consumption
and
mitigating
climate
change.
However,
to
fully
analyze
the
potential
of
PVs
in
achieving
sustainable
energy
goals,
careful
consideration
life
cycle
including
embodied
impact
is
needed.
While
diverse
range
PV
module
types
can
be
found
on
market,
structured
data
missing
that
would
enable
analysis
comparison
various
configurations.
The
goal
this
paper
provide
comprehensive,
harmonized
environmental
different
systems
captured
high-resolution
database.
It
includes
selection
cell
related
components,
well
location
production
deployment.
In
addition,
web-based
configurator
offered,
enabling
quick
estimation
associated
with
user-customized
panels.
Using
framework,
we
demonstrate
Global
Warming
Potential
panel
anywhere
between
10
–
380
kgCO2eq/sqm.
results
study
therefore
support
stakeholders
estimating
their
higher
level
detail,
leading
more
informed
environmentally
conscious
decisions
during
design
implementation
solar
photovoltaic
projects.
Sustainability,
Год журнала:
2024,
Номер
16(16), С. 6762 - 6762
Опубликована: Авг. 7, 2024
Climate
policies
such
as
sectoral
carbon
budgets
use
national
greenhouse
gas
emissions
inventories
to
track
the
decarbonization
of
sectors.
While
they
provide
an
important
compass
guide
climate
action,
accounting
framework
in
which
are
embedded
lacks
flexibility
for
activities
that
international
and
at
crossroads
different
The
building
activities,
being
largely
linked
with
upstream
emitters
energy
production
or
industrial
can
take
place
outside
borders,
example.
As
legislation
increasingly
addresses
whole-life
buildings,
it
is
vital
develop
cross-sectoral
methods
effectively
measure
monitor
overall
impact
buildings.
Such
essential
creating
sound
holistic
pathways
align
sustainability
policies.
This
article
aims
a
consistent
approach
depicting
life-cycle
buildings
level,
using
France
case
study.
By
integrating
emission
scopes
pathways,
this
also
enables
creation
comprehensive
budgets.
results
show
French
stock
footprint
reached
162
MtCO2eq
2019,
64%
attributed
operational
emissions,
primarily
from
fossil
fuel
combustion,
remainder
embodied
mainly
Overall,
20%
occurred
borders.
Under
various
global
significance
projected
increase,
potentially
comprising
78%
by
2050
under
current
underscores
necessity
address
beyond
territorial
boundaries.
Abstract
Polymer‐stabilized
liquid
crystals
(PSLCs)
are
widely
used
in
smart
windows,
light
modulators,
and
dimmed
glass.
However,
their
low
mechanical
strength,
unsatisfactory
electro‐optical
properties,
poor
durability
limit
large‐scale
application.
In
this
study,
a
PSLC
film
with
outstanding
performance
is
prepared
by
incorporating
multifunctional
molecule
into
fine‐sculptured
crystal/polymer
composite.
The
designed
to
form
vertically
oriented
layer
silane
coupling
agent
through
two‐step
self‐assembly
process
improve
the
strength
of
PSLCs
connecting
polymer
networks
covalent
bonds.
addition,
it
endowed
good
thermal
stability
reversible
change
from
hydrogen
bonds
at
temperatures
C═N
high
temperatures.
A
ultralow
saturation
voltage
(V
sat
<
25
V),
wide
operating
temperature
viewing
angle
performance,
(60–100%
improvement),
(15
000
cycles)
followed
photomask‐assisted
photopolymerization.
Finally,
bending‐resistant,
flexible
passive
radiative
cooling
capacity
tested
achieved
excellent
management.
This
composite
demonstrated
superior
every
aspect,
promoting
application
windows
for
cars
buildings.
Several
countries
are
moving
towards
imposing
mandatory
limit
values
that
consider
the
life-cycle
greenhouse
gases
emissions
(GHGE)
of
new
construction
projects.
While
they
offer
valuable
guidance
low-carbon
practices,
may
not
be
sufficient
to
ensure
building
activities
alignment
with
ambitious
climate
goals.
To
do
so,
it
is
imperative
integrate
all
stock-level
dynamics
and
evolving
nature
influenced
by
decarbonisation
efforts
in
energy
industry
sectors.This
article
introduces
a
methodological
framework
designed
explore
potential
evolution
dwelling
stock
GHGE,
ultimate
goal
ofassessing
their
objectives.
Using
national
database,
alongside
drivers
scenarios
for
upstream
sectors,
facilitates
creation
multiple
calculation
yearly
cumulative
Whole-Life
Carbon
(WLC)
emissions.
France
taken
as
case
study
investigate
compatibility
its
recent
implementation
sectoral
policies.
The
findings
suggest
prioritising
elimination
fossil
fuel
usage
emerges
an
optimal
strategy
decreasing
operational
GHGE.
Regarding
embodied
more
scenario,
greater
relative
contribution,
potentially
accounting
up
half
WLC
2050.
In
addition
transformation
energy-inefficient
dwellings,
deep
carriers
materials
plays
pivotal
role
overall
stock,
while
sufficiency
measures
significantly
impact
Climate
policies
such
as
sectoral
carbon
budgets
use
national
greenhouse
gases
emissions
inventories
to
track
the
decarbonisation
of
sectors.
While
they
provide
an
important
compass
guide
climate
action,
accounting
framework
in
which
are
embedded
lack
flexibility
for
activities
that
international
and
at
crossroads
different
The
building
activities,
being
largely
linked
with
upstream
emitters
energy
production
or
industrial
can
take
place
outside
borders,
example.
At
a
time
when
legislation
more
tackling
whole
life
buildings,
it
is
vital
cross-sectoral
methods
grasp
overall
impact
buildings
prepare
sound
holistic
pathways.
This
articles
aims
consistent
way
depict
life-cycle
level,
taking
France
case
study.
By
coupling
scopes
pathways,
also
enables
creation
whole-life
budgets.
Results
show
French
stock
footprint
reaches
162
MtCO2eq
2019,
64%
due
operational
while
embodied
mainly
caused
by
industry
Overall,
20%
happen
borders.
When
applying
global
increasing
importance
underscores
closely
aligned
order
address
beyond
territorial
boundaries.
Sustainability,
Год журнала:
2023,
Номер
15(22), С. 15949 - 15949
Опубликована: Ноя. 15, 2023
Curricular
changes
in
architecture
can
support
to
meet
the
increased
demand
for
sustainability
higher
education
(HE).
Identifying
their
associated
factors
is
necessary
understand
ongoing
and
future
transitions
education.
Transition
management
(TM)
frameworks
have
been
frequently
used
analyze
structural
various
institutions
but
received
little
attention
This
study
explores
Swiss
Federal
Institute
of
Technology
(ETH
Zurich)
as
a
case
study,
focusing
on
its
curricula
within
32
years
from
1990
2022,
corresponding
multiple
generations
academic
careers.
A
multiple-level
perspective
(MLP)
document
analysis
curricular
conducted
three
steps,
drawing
specific
architecture.
First,
generic
characteristics
that
may
influence
are
identified
literature.
Second,
shifts
undergraduate
curriculum
ETH
Zurich
systematically
mapped.
Third,
classification
implemented
results
seven
nuanced
variations
factors.
These
socio-technical
involve
development
dissemination
new
disciplinary
(1)
interdisciplinary
(2)
approaches
sustainable
built
environment
(SBE),
relocation
viewpoint
physiology/hygiene
building
physics
(3),
experimentation
with
inquiry-based
learning
niches
(4),
extended
spheres
teaching
(5),
early
committed
intra-faculty
opinion
leaders
(6),
formation
educational
networks
(7).
The
proposed
approach
based
longitudinal
mapping
offers
way
locate
changes,
identify
hidden
trends,
inform
institutional
changes.
Journal of Physics Conference Series,
Год журнала:
2023,
Номер
2600(17), С. 172002 - 172002
Опубликована: Ноя. 1, 2023
Abstract
The
construction
and
buildings
sector
is
facing
an
urgent
need
to
reduce
GHG
emissions
ensure
efficient
resource
utilization
while
minimizing
waste
in
order
comply
with
climate
change
policies
circular
economy
initiatives.
Alkali-activated
materials,
as
alternative
binder
CO
2
-intensive
conventional
cement,
show
potential
utilizing
streams
from
urban
environments
their
production
technology,
thereby
reducing
emissions.
This
study
examines
two
generated
Switzerland:
incineration
ashes
municipal
solid
treatment
facilities
mineral
wool
building
stock
renovation
demolition
activities.
Geospatial
analysis
combined
LCA
methods
assess
optimal
scenarios
for
recycling,
a
multi-objective
optimization
framework
based
on
mixed
integer
linear
programming.
objectives
are
minimize
the
environmental
impacts
costs
associated
supply
chain
networks,
identifying
locations
pre-treatment
concrete
manufacturing.
proposed
demonstrate
reductions
of
56%
global
warming
29%
when
compared
business-as-usual
scenario
cement
use
landfilling.
Results
that
recycling
can
industry
heavy
transportation
sectors
by
0.46
mt.
eq.
year
2030,
equivalent
23%
4%
Swiss
carbon
budget
reduction
targets
these
sectors.
The
construction
sector
has
a
significant
global
climate
impact.
In
recent
years,
the
use
of
LCA
in
become
critical
as
means
assessing
environmental
impacts
buildings,
improving
building
design,
and
reducing
carbon
footprint.
connection
with
this,
market
seen
introduction
establishment
both
general
software,
such
GaBi
One
Click
LCA,
for
calculating
buildings.
footprint
Finnish
school
is
assessed
software
compared
to
LCIA
results
this
study.
It
stressed
that
primary
data
mostly
based
on
architectural
structural
drawings,
well
material
take-offs
from
information
modelling.
goal
a)
quantify
(from
cradle
grave)
b)
understand
similarities
differences
between
two
solutions.
embodied
7.51
7.31
kg
CO2
eq./year/m2
GaBi.
model
total
13.824
CO2eq./m2/year,
which
2%
less
than
(14.073
eq./m2/year).
While
similar,
investigating
component
levels
reveals
larger
inconsistencies
frequently
counterbalance
results.
Building and Environment,
Год журнала:
2024,
Номер
262, С. 111777 - 111777
Опубликована: Июнь 25, 2024
Existing
daylight
standards
encourage
larger
glazed
areas,
which
often
results
in
solar
gains
the
summer
and
heat
losses
winter.
To
avoid
these,
shadings,
thicker
frames
multiple
panes
of
glass
are
required
to
respect
operational
energy
targets.
These
imperatives
turn
influence
embodied
carbon
building.
Yet
performance
trade-offs
between
have
so
far
largely
remained
overlooked
existing
research.
More
specifically,
there
is
currently
no
guidance
on
what
reasonable
budget
should
be
associated
with
façade
its
components.
The
present
study
thus
aims
1)
reveal
how
whole
life
affected
by
improving
2)
define
budgets
at
components
level.
In
this
paper,
an
explorative
method
proposed
potential
achieve
study's
illustrated
through
application
a
specific
case
study.
Based
analysis
9000
design
alternatives,
increasing
spatial
autonomy
24
%
carbon-intensive
facades
made
concrete
brick
can
reduce
15
10
respectively.
contrast,
same
improvement
low-carbon
alternatives
timber
would
instead,
increase
65
for
considered.
also
offers
prospective
insights:
chosen
study,
achieving
well
daylit
space
will
increasingly
challenging
after
2040,
due
substantial
reduction
projected
nearly
half
it
today.