Energies,
Год журнала:
2022,
Номер
15(7), С. 2685 - 2685
Опубликована: Апрель 6, 2022
In
the
European
Union,
40%
of
overall
final
energy
consumption
is
attributable
to
buildings
sector.
A
reason
for
such
data
may
be
found
considering
that
great
majority
building
stock
more
than
40
years
old.
According
Commission,
an
interesting
potential
lies
in
refurbishment
sector,
and
heat
pump
technology
has
been
recognized
as
one
most
cost-effective
solutions
tackle
environmental
issue
this
Regarding
technology,
ground-source
pumps
(GSHPs)
have
proven
efficient
solution
on
equal
boundary
conditions.
Despite
this,
EU
states’
markets,
GSHPs
hold
only
a
small
market
share
with
respect
air-source
pumps.
paper,
state
art
possible
future
developments
GSHP
reviewed
together
focus
all
existing
buildings,
obstacles
its
spread.
The
borehole
exchangers
studied,
focusing
parameters
characterizing
outside
pipe
itself,
i.e.,
grout
materials.
Moreover,
overview
last
involving
refrigerants
secondary
fluids
given.
Finally,
design
control
strategies
reviewed.
International Journal of Thermofluids,
Год журнала:
2022,
Номер
16, С. 100212 - 100212
Опубликована: Сен. 13, 2022
The
rely
on
internal
combustion
engines
is
gradually
decreased
with
the
recent
evolution
of
electric
vehicles
(EVs)
in
automotive
industry.
Electric
motors
are
replacing
energy
systems
mainly
to
improve
powertrain's
efficiency
and
ensure
they
environmentally
friendly.
These
novel
powertrains
designed
operate
solely
batteries
or
supercapacitors.
For
these
types
EVs,
battery
charged
using
an
alternating
current
supply
connection
grid
case
plug-in
vehicles.
Internal
equally
used
for
some
hybrid
Charging
can
also
be
carried
out
via
regenerative
braking
from
traction
motor.
This
study
presents
a
brief
background
about
different
available
detailed
information
various
power
converter
electronics
vehicles,
summary
strengths
(S),
weaknesses
(W),
opportunities
(O),
threats
(T)
EV
presented.
Moreover,
SWOT
analysis
(BEV)
their
prospects
industry
introduced.
International Journal of Thermofluids,
Год журнала:
2022,
Номер
16, С. 100233 - 100233
Опубликована: Окт. 18, 2022
The
efficiency
and
power
output
of
photovoltaic
(PV)
panels
are
vital
to
the
solar
PV
plant.
Apart
from
overheating,
natural
shading,
some
geographical
locations
more
susceptible
objectionable
dust
accumulation
on
surfaces
panels.
Consequently,
specific
cleaning
techniques
required
mitigate
accumulated
restore
plant's
efficiency.
most
popular
panel
include
natural,
manual,
automatic,
electrostatic
cleaning.
Each
technique
is
associated
with
both
positive
negative
impacts.
Hence,
this
paper
proposes
a
methodology
that
underlines
impact
each
relates
it
Sustainable
Development
Goals
(SDGs)
their
targets.
results
exhibit
goals
related
energy
(SDG
7,
9,11,
12,
&
13)
water
6)
were
affected
SDGs
by
choice
technology
thus
needed
be
carefully
considered
before
deployment.
This
then
employs
multi-criteria
decision-making
method
Technique
for
Order
Preference
Similarity
Ideal
Solution
(TOPSIS),
compare
these
find
optimal
concerning
SDGs.
prioritizes
alternatives
considering
18
criteria
set
relative
significance
TOPSIS
showed
manual
outperformed
other
obtained
highest
ranking.
International Journal of Thermofluids,
Год журнала:
2022,
Номер
16, С. 100249 - 100249
Опубликована: Ноя. 1, 2022
Nowadays
the
World
faces
critical
issues,
such
as
increasing
population,
power
costs,
and
global
warming.
In
this
respect,
scientists
are
trying
to
improve
efficiency
of
energy
harvesting.
The
enhancement
generation
sectors
is
focused
on
waste
heat
recovery
systems
based
thermoelectric
generators
(TEGs)
that
have
demonstrated
capacity
transfer
thermal
directly
into
electric
via
Seebeck
effect.
TEG
uses
available
sources
in
different
applications
produce
power,
thus
it
considered
an
eco-friendly
source.
present
study,
integration
with
other
technologies
for
green
production
introduced.
This
work
introduces
a
background
about
common
materials
used
fabrication
devices.
Furthermore,
application
harvest
from
sources,
i.e.,
fuel
cells,
exchangers,
photovoltaics,
internal
combustion
engine,
vehicles,
hybrid
been
summarized.
characteristics
discussed,
considering
operating
design
parameters.
Finally,
barriers
challenges
facing
also
discussed.
Energies,
Год журнала:
2022,
Номер
15(12), С. 4281 - 4281
Опубликована: Июнь 10, 2022
The
reduction
of
CO2
emissions
has
become
a
global
concern.
In
this
regard,
the
EU
intends
to
cut
by
55%
2030
compared
those
1990.
utilization
shallow
geothermal
energy
(SGE)
in
countries
is
considered
most
effective
measure
for
decarbonizing
heating
and
cooling.
SGE
systems
utilize
heat
collected
from
earth’s
crust
provide
secure,
clean,
ubiquitous
energy.
This
paper
provides
literature
review
on
use
cooling
purposes.
latest
advances
materials,
new
innovative
structures,
techno-economic
optimization
approaches
have
been
discussed
detail.
Shallow
energy’s
potential
first
introduced,
borehole
structures
improve
performance
reduce
installation
cost
outlined.
followed
an
extensive
survey
different
types
conventional
thermally
enhanced
collectors
grouts.
Attention
mainly
given
analysis
approaches.
published
case
studies,
least
economic
break-even
point
against
fossil
fuel-based
occurs
within
2.5
17
years,
depending
local
geological
conditions,
efficiency,
prices,
subsidy.
Ground
source
pumps’
cost-effectiveness
could
be
improved
through
market
maturity,
increased
cheap
electricity,
good
subsidy
programs.
International Journal of Thermofluids,
Год журнала:
2022,
Номер
16, С. 100196 - 100196
Опубликована: Авг. 20, 2022
Curtailed
energy
could
be
used
to
improve
techno-economic
aspects
and
minimize
emissions.
Jordan
is
considered
a
leading
country
in
renewable
the
Middle
East,
particularly
wind
energy.
Due
low
demand
during
peak
power
generation,
17%
of
overall
capacity
curtailed
Jordan.
In
this
study,
several
storage
systems
are
discussed
better
usage
which
will
eventually
decrease
cost
reduce
carbon
The
Li-ion
battery
was
as
case
study
store
produced
from
turbines
Jordan,
where
its
designed
handle
curtailment
for
typical
day.
stored
then
charge
significant
number
electric
vehicles,
representing
11.8%
Jordan's
total
vehicles.
An
economic
showed
that
station
economically
feasible
solution.
This
would
generate
profit
instead
loss
it
secure
work
opportunities
if
vehicle-charging
stations
were
offered
public-private
partnership
(PPP)
project.
International Journal of Thermofluids,
Год журнала:
2023,
Номер
18, С. 100348 - 100348
Опубликована: Апрель 6, 2023
This
paper
investigates
a
ground-cooled
organic
Rankine
cycle
(ORC)
for
waste
heat
recovery
from
diesel
generator.
The
ambient
and
ground
temperatures
used
in
the
current
study
are
based
on
real-time
data
collected
experimental
measurements.
ANSYS
Mechanical
APDL
was
to
simulate
effect
of
proposed
system
order
calculate
soil
thermal
interference
radius.
In
addition,
simulation
compared
two
scenarios:
with
without
phase
change
material.
Based
results,
required
loop
size
calculated
using
Engineering
Equation
Solver
(EES).
economic
feasibility
investigated,
considering
both
basic
regenerative
ORCs.
original
rated
output
power
generator
considered
this
30
kW.
results
showed
that
radius
length
were
0.32
m
1480
m,
respectively.
ORC
system,
design
operating
temperature
300
°C,
enhanced
overall
by
7.98%,
alone.
Replacement
increased
enhancement
up
15.31%.
capital
cost
payback
period
ranges
£11,945–18,770
4.9–7.8
years,
respectively,
while
those
£17,062–25,592
3.7–5.5
years.
