Applied Thermal Engineering,
Journal Year:
2023,
Volume and Issue:
235, P. 121296 - 121296
Published: Aug. 6, 2023
Triply
Periodic
Minimal
Surfaces
(TPMS)
are
rapidly
becoming
favourable
heatsink
and
heat
exchanger
topologies
over
traditional
designs
other
cellular
structures.
Their
implicitly
defined
geometries
provide
increased
transfer
surface
areas
while
maintaining
smooth
flow
paths
capable
of
further
enhancement
through
tortuosity.
Substantial
investigations
have
been
conducted
on
these
structures
within
the
field
thermal
management
systems,
however
more
research
is
needed
in
understanding
how
design
parameters
effect
performance.
Cell
size
a
critical
parameter
that
sets
scale
structures,
little
has
to
date.
This
work
attempted
investigate
gaps
parametric
material
study
TPMS
gyroid
sheets
as
heatsinks
turbulent
flow.
Samples
varying
cell
porosity
were
compared,
where
hydraulic
performances
normalised
against
sample
specific
volume
wetted
area.
found
convective
performance
was
agnostic
size,
but
greatly
influenced
by
porosity.
These
compared
reference
fin
heatsink.
Performance
measures
such
resistance
(R),
Nusselt
number
(Nu)
enhancement-to-losses
(η)
saw
improvements
up
53%,
300%
42%,
respectively
when
geometry.
The
results
this
may
prove
useful
relationship
between
help
pave
way
meaningful
optimisation
for
Physics of Fluids,
Journal Year:
2025,
Volume and Issue:
37(2)
Published: Feb. 1, 2025
The
triply
periodic
minimal
surface
(TPMS)
is
a
potential
candidate
for
constructing
the
next-generation
heat
exchanger
(HEX)
due
to
its
considerably
high
specific
area
and
flexible
topology.
Considering
flow
rate
volume
ratio
of
cold-to-hot
fluid
domain,
this
work
aims
probe
matching
effect
on
thermohydraulic
features
cross-flow
HEXs
using
gyroid
TPMS
structures.
results
indicate
that
owing
contiguous
intertwined
path,
structures
induce
three-dimensional
spiral
with
three
typical
characteristics
(“merge-split,”
parallel,
circulation)
from
different
perspectives,
dominating
mixing
exchanger.
have
negligible
influence
but
intensities.
Increasing
cold-side
velocity
constant
hot-side
can
remarkably
enhance
convection
transfer
cold
side
an
increased
pressure
drop,
while
hot
influenced
negligibly.
Finally,
total
gradually
raised
reaches
stability
limited
transfer.
A
slightly
higher
recommended
improving
HEXs.
In
comparison,
simultaneously
affects
fluid–solid
interface
internal
under
mutual
restriction
between
fluids
optimum
Rvol
=
1.0.
With
0.42
1.0,
by
7.7%,
outlet
temperature
decreases
1.5
K.
Compared
traditional
structures,
structure
offers
100%
150%–225%
volume-based
power
density.
