Thermal Science,
Journal Year:
2024,
Volume and Issue:
28(4 Part B), P. 3171 - 3182
Published: Jan. 1, 2024
It
is
important
to
understand
the
vertical
distribution
characteristics
of
outdoor
particulates
concentration
in
typical
seasons
winter
and
summer
when
people?s
living
spaces
are
getting
higher
above
ground.
The
different
heights
floors
(1st,
7th,
11th,
17th,
27th)
a
high-rise
building
Xi?an
at
8:00
a.
m.,
12:00
3:00
p.
6:00
10:00
respectively,
were
tested
analyzed
this
paper.
results
showed
that
concentrations
on
non-working
days
much
lower
than
working
times
floors,
relatively
low
summer.
reached
highest
m.
summer,
with
average
PM10,
PM2.5,
PM1.0
37.3
?g/m3,
31.6
29.4
?g/m3.
While
winter,
82.4
64.8
57.7
atmospheric
environment
mainly
dominated
by
small
particulates.
particle
sizes
range
from
1.0
?m
2.5
?m,
high
less
?m.
With
increase
time,
PM1.0/PM2.5
PM2.5/PM10
show
trend
first
decreasing
then
increasing
days,
while
increasing,
next
days.
In
addition,
meteorological
parameters
will
also
have
certain
impact
distribution.
provides
reference
values
for
controlling
buildings.
Buildings,
Journal Year:
2025,
Volume and Issue:
15(6), P. 925 - 925
Published: March 15, 2025
An
electrification
revolution
in
the
Chinese
building
energy
field
has
been
promoted
by
China’s
carbon
peak
and
neutrality
goals.
accurate
electricity
load
prediction
was
essential
to
resolve
conflict
between
substations
which
caused
current
increase
demand,
on
both
generation
consumption
sides.
This
review
provided
an
in-depth
study
of
models
for
residential
inspected
various
output
types,
methods
driving
factors.
The
types
were
divided
into
three
categories:
(i)
time
scale,
(ii)
geographical
scale
(iii)
regional
scale.
Predictive
model
classified
as
classical,
algorithms
based
Machine
Learning
(ML)
or
Deep
(DL)
hybrid
methods.
Driving
factors
included
single
multiple
features.
By
summarizing
factors,
influence
improving
accuracy
according
characteristics
selecting
correctly
discussed.
a
key
perspective
future
studies
analyzing
variations
characteristics.
It
suggested
that
buildings
diverse
each
region
established
offer
valuable
solutions
planning
distribution.
Frontiers in Energy Research,
Journal Year:
2024,
Volume and Issue:
12
Published: April 10, 2024
Deflectors
offer
a
cost-effective
solution
for
enhancing
airflow
distribution.
The
purpose
of
this
paper
is
to
investigate
the
effect
deflector
on
indoor
velocity
distribution
under
natural
ventilation
conditions.
results
obtained
from
numerical
simulations
are
validated
through
experimental
measurements
using
reduced-scale
model.
Subsequently,
model
was
extended
full-size
rooms.
A
simulation
method
used
analyze
no
deflector,
deflectors
with
different
opening
width-to-height
ratios
and
shapes
percentage
partitions
findings
reveal
that
judicious
installation
can
enhance
increase
comfort
zone.
exert
distinct
influences
When
ratio
set
at
7/6,
zone
reaches
its
maximum
75.98%.
Furthermore,
shape
deflector’s
significantly
affects
distribution,
when
rhombus
4.00
cm
×
9.00
cm,
proportion
largest,
which
75.56%.
This
study
provides
reference
design
practice
in
buildings.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(11), P. 4516 - 4516
Published: May 26, 2024
A
nearly
zero-energy
building
is
characterised
by
its
low
energy
demand
and
enhanced
thermal
insulation,
with
great
potential
to
integrate
renewable
systems
satisfy
various
demands
improve
efficiency.
Solar
a
primary
resource
that
can
be
harnessed
in
different
ways
provide
electricity,
heating,
cooling
applications.
In
this
study,
solar–ground-source
heat
pump
system
was
designed
established
building.
The
system’s
performance
presented,
control
strategy
optimised.
To
evaluate
assess
the
operation
of
solar
system,
an
experimental
setup
built,
experiment
divided
into
two
periods,
taking
account
weather
conditions.
first
period,
parameters
heating
were
tested
evaluated.
regard,
variation
trends
unit’s
coefficient
performance,
collector
start-up
temperature
difference,
setting
analysed
under
parameter
combinations.
On
basis,
optimal
operating
identified
for
periods.
second
used
carry
out
experiments.
results
highlighted
adoption
preferred
increases
percentage
direct
supply
2.0%.
Additionally,
8.9%,
unit
6.7%,
carbon
emissions
are
reduced
4.18
tonnes,
SO2
0.143
dust
0.1
tonnes.
findings
study
useful
data
guiding
reference
optimising
promoting
implementation
renewable-energy-driven
buildings
severe
cold
regions.
Energy Engineering,
Journal Year:
2024,
Volume and Issue:
121(6), P. 1495 - 1519
Published: Jan. 1, 2024
The
determination
of
source-side
extracted
heating
parameters
is
great
significance
to
the
economic
operation
cogeneration
systems.This
paper
investigated
coupling
performance
a
and
power
system
multidimensionally
based
on
operating
characteristics
units,
hydraulic
thermodynamic
network,
energy
loads.Taking
steam
network
supported
by
gas-steam
combined
cycle
as
research
case,
interaction
effect
among
prime
movers,
networks,
terminal
demand
thermal
were
designed
values,
plant
testing
data,
validated
simulation.The
maps
units
obtained
using
THERMOFLEX,
minimum
solved
an
inverse
solution
procedure
hydro-thermodynamic
model.The
indicate
that
available
domain
considerably
narrows
with
rise
extraction
pressure
flow
rate.The
demonstrates
temperature
can
be
optimized
from
originally
1.11
MPa
238.8°C
1.074
191.15°C,
respectively.Under
strategy
parameters,
peak
regulation
depth
remarkably
increases
18.30%
whereas
comprehensive
efficiency
decreases.The
under
superior
one
in
economy
at
higher
price
steam.At
fuel
$0.38/kg
0.18
kg/(kW•h),
critical
ratio
119.1
kg/t.The
influence
power-fuel
deviation
appears
relatively
weak.
