Energy Nexus,
Journal Year:
2024,
Volume and Issue:
13, P. 100281 - 100281
Published: Feb. 24, 2024
This
research
revolves
around
the
modeling
and
optimization
of
an
innovative
geothermal
system
powered
by
energy.
The
incorporates
a
modified
Organic
Rankine
Cycle
to
efficiently
produce
electricity,
hydrogen,
cooling,
heating.
study
is
specifically
tailored
for
South
Korea,
with
focus
on
city
Ulsan.
primary
objective
this
generate
essential
products
residential
buildings
without
contributing
carbon
emissions
or
environmental
pollution.
aspect
conducted
using
EES
software,
while
efforts
are
aimed
at
enhancing
performance
optimizing
exergy
efficiency
reducing
costs.
response
surface
method
(RSM)
Design
Expert
software
employed
purpose.
optimal
results
demonstrate
that,
in
its
most
efficient
state,
can
achieve
impressive
45.382%
operate
cost
rate
50.414
$/h.
economic
analysis
underscores
that
ORC
unit
bears
highest
cost,
amounting
49.47
findings
reveal
suggested
performs
exceptionally
well
cities
weather
conditions
akin
In
other
regions
across
globe,
it
has
potential
significantly
enhance
cost-effectiveness
efficiency.
concludes
evaluating
system's
capacity
provide
heating,
cooling
complexes
within
areas,
highlighting
addressing
diverse
energy
needs
urban
settings
prioritizing
sustainability
responsibility.
showed
3982413.6
kWh
4555440
during
year.
producing
4088.72
MWh
electricity
annually
Ulsan,
possible
help
expansion
4
hectares
green
space
per
Also,
dioxide
emission
834.09
tons
CO2,
proposed
avoids
20018.3
$
environment.
supply
electrical
401
people
Ulsan
Journal of Energy Storage,
Journal Year:
2024,
Volume and Issue:
84, P. 110818 - 110818
Published: Feb. 9, 2024
The
ocean
thermal
energy
conversion
(OTEC)
system
uses
the
temperature
difference
between
warm
sea
surface
water
and
deep
cold
to
generate
electrical
power.
Due
low-temperature
deep-sea
water,
efficiency
of
these
systems
is
low
compared
fossil
fuel-driven
power
plants.
In
present
study,
propose
a
method
for
increasing
output
power,
efficiency,
heat
storage
an
OTEC
cycle,
outlet
existing
plant
used
instead
which
conventionally
employed
in
basic
cycles.
results
show
that,
considering
average
net
cycle
per
month
exergy
efficiencies
are
3.34
%
17.2
%,
respectively.
Then,
suggested
investigated
using
two-stage
turbine
reheating
terms
exergy.
Comparing
obtained
two
configurations
shows
proposed
increased
by
552
kWh
month,
improved
0.048
0.31
As
performance,
case
study
real
Combined
Cycle
Power
Plant
(CCPP)
modeled
with
cycle.
that
produced
17.72
MWh
from
condenser
CCPP
have
been
1.432
8.02
respectively
Compared
base
Also,
18,829
tons
day
fresh
produced,
1.87
%.
Energy Reports,
Journal Year:
2023,
Volume and Issue:
10, P. 2982 - 3000
Published: Sept. 29, 2023
In
the
present
study,
we
investigated
a
multiple
energy
generation
system
based
on
use
of
solar,
wind
and
ocean
thermal
for
study
area
with
high
renewable
potential.
this
all
existing
capacities
in
coastal
areas
(wind,
sun,
temperature
difference)
are
used
to
design
system.
The
consists
subsystems
including
organic
Rankin
cycle
(ORC),
turbine,
thermoelectric,
heat
exchanger
flat
panel
solar
collector.
EES
thermodynamic
software
has
been
model
obtain
results.
designed
city
Bushehr,
which
good
energy,
radiation
potential,
studied.
most
important
effective
practical
parameters
proposed
collector
area,
radiation,
turbine
speed.
results
investigation
Bushehr
City
showed
that
production
power
is
4,840,913.8
1,138,957.02
kWh
compared
climate
changes.
Also,
amount
freshwater
produced
by
103,495.99
429,080.51
m3/h
Finally,
order
optimize
system,
response
level
multi-objective
optimization
method
find
best
set
objective
functions
decision
variables.
two
included
exergy
efficiency
whole
cost
rate.
optimal
value
was
13.25%
rate
72.17
$/hour.
Energy Reports,
Journal Year:
2024,
Volume and Issue:
11, P. 1342 - 1362
Published: Jan. 15, 2024
A
strategy
for
promoting
ethical
use
of
ocean
resources
while
preserving
the
marine
environment
is
known
as
blue
economy.
The
Blue
Econ-
omy's
foundational
element,
renewable
energy
(MRE),
has
enormous
potential
to
generate
clean
energy,
spur
economic
growth,
and
slow
global
warming.
Bangladesh
a
lot
development
MRE
due
its
wide
coastline
maritime
resources.
From
Economy
viewpoint,
this
review
article
offers
thorough
examination
present
trends,
opportunities,
difficulties
associated
with
implementation
in
Bangladesh's
coastal
region.
technologies,
such
tidal
wave
wind
thermal
conversion
(OTEC),
deliver
clean,
dependable,
affordable
generat-
ing
new
business
opportunities
towns
been
examined
article.
paper
also
evaluates
legal
policy
frameworks
development,
well
funding
alternatives,
investment
op-
portunities,
socioeconomic
environmental
effects
projects.
emphasizes
importance
employing
sustainable
methods
guarantee
that
adheres
objectives
Economy.
Overall,
road
map
sector's
inclusive
addressing
several
Sustainable
Development
Goals
(SDGs)
Bangladesh,
ranging
from
access
climate
action,
sustainability.
It
hoped
it
will
add
ongoing
discussion
on
nation's
development.
