PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(5), P. e0298077 - e0298077
Published: May 14, 2024
Geothermal
energy
is
increasingly
employed
across
diverse
applications,
with
bridge
deck
snow
melting
emerging
as
a
notable
utilization
scenario.
In
Jinan
city,
China,
project
underway
to
utilize
ground
source
heat
pumps
(GSHPS)
for
heating
bridges.
However,
essential
operational
parameters,
including
fluid
medium,
temperature,
and
exchange
details,
are
currently
lacking.
This
study
addresses
the
thermal
design
challenges
associated
exchangers
(GHE)
through
combination
of
numerical
modeling
field
experiments.
Utilizing
software
Fluent,
refined
three-dimensional
multi-condition
transfer
analysis
was
carried
out.
Field
tests
based
on
actual
operating
conditions
were
also
conducted
parameters
verified.
The
results
indicate
that
an
inlet
temperature
5°C
aqueous
solution
ethylene
glycol
mass
concentration
35%
medium
suitable
GSHPS
in
Jinan;
Moreover,
influence
backfill
material
operation
time
efficiency
revealed
10%
bentonite
90%
SiO
2
suggested;
Finally,
pipe
spacing
characteristics
deck,
transition
0.2
m
given
response
deck.
comprehensive
contributes
valuable
insights
simulation
experimental
environment
variation,
aiming
advance
development
Jinan,
China.
Solar Compass,
Journal Year:
2024,
Volume and Issue:
unknown, P. 100067 - 100067
Published: Jan. 1, 2024
The
Paris
Agreement
is
an
important
international
agreement
adopted
in
2015
and
its
main
purpose
to
limit
global
warming
by
reducing
carbon
emissions.
aims
reduce
dioxide
emissions
45%
compared
2010
zero
2050.
In
this
direction,
the
European
Green
Deal
has
also
been
prepared
Union.
It
use
environmentally
friendly,
sustainable
safe
energy
expects
neighboring
countries
of
Europe
comply
with
these
targets.
given
context,
it
becomes
crucial
for
Türkiye
diminish
greenhouse
gas
enhance
efficiency
consumption.
Especially
heating/cooling
systems
constitute
part
Considering
environmental
effects
foreign
dependency
due
high
consumption
requires
take
steps.
Adopting
friendly
low
consuming
such
as
passive
heating
cooling
technologies
can
help
costs.
study
covers
examination
new
ready
commercialization,
economic
developments
increase
accessibility,
scale-up
production
costs,
notable
case
studies
comparing
ground
source
heat
pump
(GSHP)
solar
building
powered
earth-to-air
exchangers
(EAHE).
Energies,
Journal Year:
2024,
Volume and Issue:
17(13), P. 3329 - 3329
Published: July 7, 2024
A
large
number
of
ground-source
heat
pump
(GSHP)
systems
have
been
used
in
residential
and
commercial
buildings
throughout
the
world
due
to
their
attractive
advantages
high
energy
environmental
performances.
In
particular,
GSHPs
constitute
a
proven
renewable
technology
for
space
heating
cooling.
This
paper
provides
detailed
literature
review
primary
aspects
GSHP
systems.
These
include
technological
characteristics
HPs
main
types
variations
GSHPs,
along
with
impact.
Other
addressed
are
integration
other
systems,
as
well
optimal
design
control
analysis.
The
important
aspect
system’s
performance
is
also
dealt
through
case
studies
barriers
hindering
further
adoption
buildings.
Two
challenges
cost
efficiency.
Studies
shown
that
can
reach
>>24%
lower
impact
than
air-source
HPs,
while
today’s
allow
payback
period
installing
<<5
years.
Finally,
based
on
above
review,
future
prospects
successful
uptake
discussed.
It
seems
right
steps,
wide
an
form
‘implemented’
system
become
reality.
Energy and Buildings,
Journal Year:
2024,
Volume and Issue:
308, P. 113999 - 113999
Published: Feb. 19, 2024
Decarbonisation
of
Canada's
residential
sector
in
line
with
our
Paris
Agreement
will
be
challenging.
Conventional
decarbonisation
strategies
involve
deep
energy
efficiency
upgrades
to
the
building
envelope
and
adoption
low
carbon
heating
systems
such
as
electric
heat
pumps.
However,
past
retrofit
programs
have
failed
achieve
either
rate
upgrades,
or
size
savings
required
for
this
approach.
This
study
used
a
database
38,607
home
audits
from
Waterloo
Region
model
emissions
impacts
by
date
construction.
Modeling
demonstrated
greatest
potential
gains
homes
built
before
1940.
Building
had
diminishing
returns
between
1940
1980,
lowest
improvement
found
after
1980.
Furthermore,
directly
electrifying
pumps
space
water
is
single
most
impactful
measure
examined
reducing
emissions.
Policies
should
support
direct
electrification
all
target
1980
especially
Such
policies
can
accelerate
efforts
maximize
energy,
poverty
limited
resources.