Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 10, 2024
Abstract
Air
conditioners,
being
an
indispensable
component
of
contemporary
living,
consume
a
significant
amount
electricity
every
year.
The
accumulation
frost,
dust,
and
water
on
the
fins
surface
hinders
efficiency
heat
exchange
process,
thereby
reducing
effectiveness
air
conditioning
system.
To
address
these
limitations,
this
paper
proposes
large‐scale
cost‐effective
method
combining
compression
molding,
chemical
etching,
spray
coating
to
fabricate
aluminum
(HMNA)
with
hierarchical
interlocking
structures.
HMNA
exhibits
outstanding
durability,
passive
active
anti‐icing,
anti‐frosting
defrosting,
self‐cleaning
capabilities
associated
robust
super‐hydrophobicity.
structure
effectively
enhances
physical
environmental
durability
HMNA.
Most
significantly,
frost
time
assembled
exchanger
is
significantly
delayed
by
≈700%
compared
traditional
Al
exchanger,
while
layer
thickness
reduced
≈75%.
This
greatly
reduces
frequency
which
defrosting
cycle
started,
thus
improving
proposed
for
economical
mass
production
can
be
excellent
candidate
development
low
energy
consumption
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
The
heat
pump
integrated
with
latent
storage
is
an
efficient
decarbonization
technology
for
improving
of
thermal
energy
efficiency
in
terms
quantity
and
quality
using
renewable
off-peak
electricity.
Deleted Journal,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100084 - 100084
Published: Jan. 1, 2025
<p>Thermodynamic
graphical
methods
are
useful
tools
for
visualizing
thermodynamic
state
equations
and
widely
applied
in
the
design
optimization
of
systems.
However,
integration
renewable
energy
thermal
storage
systems
introduces
finite
heat
capacity
characteristics,
resulting
continuous
dynamic
variations
system
performance,
which
poses
challenges
to
existing
methods.
To
accurately
describe
performance
under
boundary
conditions,
this
study
investigates
analysis
characteristics
Energy-Energy
(<i>E</i>-<i>E</i>)
diagram.
Based
on
ideal
gas
model,
mathematical
expressions
mechanical
derived,
systematic
comparisons
between
<i>E</i>-<i>E</i>
Temperature
(<i>T</i>)-Entropy
(<i>s</i>)
diagrams
conditions
conducted,
elucidating
intrinsic
relationships
among
geometric
parameters,
initial
performance.
Through
parametric
analysis,
we
reveal
that
increasing
reservoir
temperature
from
500
K
<styled-content
style-type="number">1500</styled-content>
enhances
conversion
potential,
with
rotation
angle
20.77°
37.15°.
Additionally,
cold
ratio
results
a
decreased
angle,
indicating
lower
efficiency.
The
diagram
achieves
visualization
by
analogizing
processes
rotational
motion
radius
circle.
Compared
<i>T</i>-<i>s</i>
diagram,
it
employs
lines
slopes
instead
areas
area
ratios,
exhibiting
advantages
analyzing
varying
conditions.
This
complementary
coupling
provides
new
perspective
describing
systems.</p>
