Journal of Building Engineering,
Год журнала:
2023,
Номер
78, С. 107622 - 107622
Опубликована: Авг. 22, 2023
Latent
heat
thermal
storage
offers
a
flexible
service
to
members
of
district
grid
as
the
stored
can
be
used
reduce
morning
peak
demand,
limiting
consequences
for
production
facilities.
This
work
investigates
optimized
design
latent
reactor,
integrated
in
an
existing
building
supplied
by
heating,
demand-side
management
applications.
The
reactor
was
designed
tube
bundle
exchanger
which
commercial-grade
paraffin
phase
change
material.
variables
that
maximized
use
Phase
Change
Material
were
pitches
and
fin
heights.
integration
with
energy
system
required
control
prediction
its
state
charge
power
output.
These
parameters
are
usually
evaluated
through
3D
numerical
dynamic
simulations
require
large
computational
effort,
is
beyond
capability
basic
microcontroller
systems.
A
simplified
parametric
model
has
been
overcome
this
issue.
load-tracking
algorithm
embedded
program.
able
62
kWh
from
6:00
9:00
a.m.
Decreasing
pitch
95
mm
82
led
+34%
increase
PCM.
Similar
results
obtained
when
height
increased
20
32
mm.
investigation
suggest
proposed
could
applied
similar
buildings
fed
heating
network
Alexandria Engineering Journal,
Год журнала:
2023,
Номер
75, С. 287 - 296
Опубликована: Июнь 7, 2023
Heat
transport
(HT)
efficiency
in
boundary
layer
flow
(BLF)
across
wedges
is
critical
for
many
industrial
processes,
as
well
aerospace
and
defence
research.
The
HT
analysis
a
power-law
fluid
along
moving
permeable
wedge
described
this
paper.
A
changeable
parameter
the
injection
velocity
at
surface.
governing
equations
are
dimensionless,
shooting
technique
used
to
achieve
non-similar
solution.
Graphs
depict
impacts
of
various
factors
on
temperature
contours,
local
Nusselt
number,
skin
friction
coefficient.
results
show
that
dilatant
has
decline
near
surface
achieves
its
maximum
away
from
findings
study
may
aid
development
better
systems
variety
applications.
Results in Physics,
Год журнала:
2023,
Номер
51, С. 106648 - 106648
Опубликована: Июнь 20, 2023
Numerical
simulations
are
undertaken
to
investigate
the
flow
of
fluids
and
heat
transfer
through
a
nanofluid
inside
hexagonal
enclosure
fitted
with
square
cavity
characterized
by
buoyancy-driven
fluid
motion.
A
periodic
hot
temperature
Th
cold
Tc
respectively,
>
is
maintained
on
parallel
walls
regular
basis.
The
Galerkin
finite
element
method
discretizes
equations
in
two
dimensions.
Stabilized
solutions
obtained
using
an
upwind
scheme.
Based
developed
code,
parametric
study
conducted
effects
Rayleigh
number.
As
number
nanoparticle
volume
fraction
increase
from
101to106,
Nusselt
increases
as
well.
Additionally,
bottom-middle
middle
locations
thermally
active
parts
have
highest
average
numbers
for
high
low
numbers.
novelty
originality
proposed
work
lie
exploration
unique
geometry,
involving
varying
fractions,
utilization
numerical
advanced
computational
techniques.
These
contributions
enhance
understanding
behavior
provide
valuable
insights
optimizing
systems
various
applications.
Journal of Building Engineering,
Год журнала:
2023,
Номер
78, С. 107622 - 107622
Опубликована: Авг. 22, 2023
Latent
heat
thermal
storage
offers
a
flexible
service
to
members
of
district
grid
as
the
stored
can
be
used
reduce
morning
peak
demand,
limiting
consequences
for
production
facilities.
This
work
investigates
optimized
design
latent
reactor,
integrated
in
an
existing
building
supplied
by
heating,
demand-side
management
applications.
The
reactor
was
designed
tube
bundle
exchanger
which
commercial-grade
paraffin
phase
change
material.
variables
that
maximized
use
Phase
Change
Material
were
pitches
and
fin
heights.
integration
with
energy
system
required
control
prediction
its
state
charge
power
output.
These
parameters
are
usually
evaluated
through
3D
numerical
dynamic
simulations
require
large
computational
effort,
is
beyond
capability
basic
microcontroller
systems.
A
simplified
parametric
model
has
been
overcome
this
issue.
load-tracking
algorithm
embedded
program.
able
62
kWh
from
6:00
9:00
a.m.
Decreasing
pitch
95
mm
82
led
+34%
increase
PCM.
Similar
results
obtained
when
height
increased
20
32
mm.
investigation
suggest
proposed
could
applied
similar
buildings
fed
heating
network
