AQUA - Water Infrastructure Ecosystems and Society,
Год журнала:
2024,
Номер
73(11), С. 2229 - 2241
Опубликована: Окт. 22, 2024
ABSTRACT
Multi-objective
operation
optimization
of
water
distribution
systems
(WDSs)
in
large
metropolitan
areas
is
essential;
however,
it
complex
and
time-consuming.
Effective
reliable
scheduling
WDSs
can
significantly
enhance
the
efficiency
reliability
urban
resources
management,
which
requires
further
research.
This
paper
develops
an
method
combining
genetic
algorithm
multiple
criteria
analysis
that
coordinates
energy
conservation,
hydraulic
condition
improvement,
age
WDSs.
Results
showed
optimal
could
achieve
a
23.0,
16.7,
2.5%
decrease
consumption,
supply
volume
with
unsatisfied
pressure,
average
age,
respectively.
To
results,
this
study
indicated
crucial
to
properly
allocate
pressure
across
drinking
treatment
plants.
finding
provides
important
guidance
for
utilities
scheduling.
Furthermore,
emergency
scenario
shows
newly
proposed
social
economic
sustainability
through
coordinated
conditions,
age.
AQUA - Water Infrastructure Ecosystems and Society,
Год журнала:
2024,
Номер
73(7), С. 1389 - 1405
Опубликована: Июль 1, 2024
ABSTRACT
Phased
planning
for
municipal
infrastructure
is
based
on
the
time-dependent
status
of
multiple
networks,
which
in
contrast
to
traditional
approach,
where
one-phase
construction
and
a
single
are
considered
system
activities.
This
study
integrates
optimizes
corridor-wise
intervention
water,
sewer,
road
networks
number
equally
long
phases
decisions
among
decision
variables
showing
extent
phase
optimization
can
impact
cost
coordination
interventions
interdependent
systems.
Optimizing
within
an
evolutionary
algorithm
challenging
task
due
recombination
between
numerous
solutions
with
different
variable
lengths.
A
multi-phase
design
approach
developed
rehabilitation
real
case
Montreal,
Canada.
The
involves
20
corridors
street
section
co-located
water
sewer
pipes.
metaheuristic
single-objective
engine
employed
minimize
total
net
present
value
plan
costs
whole
integrated
system.
results
show
that
phased
could
bring
about
25%
saving
master
coordinated
multi-systems
Water,
Год журнала:
2024,
Номер
16(23), С. 3398 - 3398
Опубликована: Ноя. 26, 2024
Rainwater
pumping
stations
located
near
urban
centers
or
agricultural
areas
help
prevent
flooding
by
activating
an
appropriate
number
of
pumps
with
varying
capacities
based
on
real-time
rainwater
inflow.
However,
relying
solely
rule-based
pump
operations
that
monitor
only
basin
water
levels
is
often
insufficient
for
effective
control.
In
addition
to
maintaining
a
low
maximum
level
flooding,
operation
at
also
requires
minimizing
the
on/off
switches.
Reducing
switch
frequency
lowers
likelihood
mechanical
failure
and
thus
decreases
maintenance
costs.
This
paper
proposes
method
using
Deep
Reinforcement
Learning
(DRL)
meet
these
operational
requirements
simultaneously,
currently
observable
information
such
as
rainfall,
inflow,
storage
volume,
level,
outflow.
Simulated
rainfall
data
various
return
periods
durations
were
generated
Huff
train
model.
The
Storm
Water
Management
Model
(SWMM),
configured
simulate
Gasan
station
in
Geumcheon-gu,
Seoul,
South
Korea,
was
used
conduct
experiments.
performance
proposed
DRL
model
then
compared
station.
AQUA - Water Infrastructure Ecosystems and Society,
Год журнала:
2024,
Номер
73(3), С. 608 - 622
Опубликована: Фев. 7, 2024
Abstract
This
study
uses
the
network
flow
theory
to
optimize
regional
water
resource
allocation.
In
order
solve
problem
of
inefficient
utilization
resources
with
decentralized
decision-making
by
different
administrative
units,
a
networking
and
joint
dispatching
model
multi-objective
nonlinear
characteristics
based
on
(hereinafter
referred
as
model)
is
constructed
in
study.
The
was
simulated
applied
Xin-Sheng
area
Cao'e
River,
tributary
Qiantang
results
showed
that
scheduling
increased
significantly
efficiency
compared
current
conventional
scheduling,
an
increase
35.24
9.91%
rate
two
typical
years
2019
2022,
respectively,
which
has
less
rainfall,
better
effect
than
2019.
concludes
can
effectively
improve
utilization,
imbalance
between
cities
region,
play
positive
role
construction
national
network.
Journal of Law and Sustainable Development,
Год журнала:
2024,
Номер
12(3), С. e3277 - e3277
Опубликована: Март 15, 2024
Purpose:
The
primary
purposes
of
this
present
study
are
to
show
and
compare
3
(three)
different
types
spillways,
namely
normal,
differential,
labyrinth,
by
means
passing
exceptional
flood
events
with
acceptable
safety
margin
for
the
dam
spillway
while
maintaining
a
hydraulic
point
view.
Theoretical
reference:
Ciawi
dry
is
homogenous
type
an
inclined
wet
core
built
in
Ciliwung
River,
Jakarta,
Indonesia.
Its
purpose
retain
50
years
floods
cut
peak
as
part
Jakarta
control
system.
It
has
been
functioning
since
year
2022
another
same
River
basin
called
Sukamahi
dam.
Method:
capacity
gateless
bottom
outlets
designed
at
riverbed
level
investigated
analytical
approach
using
theoretical
formula.
Numerous
design
discharges
were
verified
compared
specific
scenarios
engaging
operation
reviewed
based
on
In
addition,
spillways
comparison
made
scenario
one
gate
opening
closing
outlet
PMF
discharge
confirm
satisfaction
capacity.
Result
Conclusion:
best
choice
that
can
be
recommended
worst
Labyrinth
width
155m
angle
18o
span
kept
existing
normal
width.
This
proposed
improvement
option
labyrinth
still
freeboard
1.17
m
allowance
crest
closed
condition,
1.88
1
opened
2.55
both
gates
opened.
Implication
research:
evaluates
performance
assessing
reservoir
other
differential
labyrinth.
will
recommend
alternative
or
face
global
climate
change
future
challenge.
Originality/value:
comprehensive
investigation
limitations
benefits
comparing
spillways:
combination
2
embankment
could
used
upgrading
works
even
new
Water Science & Technology Water Supply,
Год журнала:
2023,
Номер
23(8), С. 2986 - 2998
Опубликована: Июль 29, 2023
Abstract
When
the
requirements
for
water
pressure
and
quantity
of
drinking
residents
industrial
buildings
exceed
capacity
urban
distribution
system,
a
secondary
supply
system
(SWSS)
is
supplied
to
users
by
pipelines
through
storage,
pressurization,
other
facilities.
In
China,
SWSS
has
been
installed
in
97%
residential
operation
directly
related
quality
users'
tap
water.
this
paper,
optimization
objectives
with
storage
facilities
were
proposed,
deep
Q-learning
network
(DQN)
was
applied
optimize
control
SWSS.
study,
pressure,
age
roof
tank,
power
consumption
pumps
selected
as
objectives.
The
equation
qualitative
selection
key
hyperparameter
(Gamma)
proposed
verified
experiments
community
City
S
East
China.
results
indicated
that
decrease
volume
larger
Gamma
value
recommended,
more
future
conditions
considered.
It
hoped
result
can
be
used
reference
optimization.
Civil and Environmental Science,
Год журнала:
2023,
Номер
6(2), С. 134 - 145
Опубликована: Окт. 1, 2023
Tiu
Kulit
Reservoir
plays
a
pivotal
role
in
managing
water
resources
West
Nusa
Tenggara,
Indonesia,
serving
as
vital
source
for
raw
water,
irrigation,
and
livestock
consumption
the
neighboring
regions.
This
study
aims
to
assess
operational
dynamics
of
across
varying
hydrological
conditions,
namely
dry,
normal,
wet
years.
The
analysis
is
based
on
inflow
rates
equilibrium
surface
elevations.
To
achieve
objectives,
an
investigation
reservoir's
operation
pattern
was
conducted.
Inflow
elevations
were
scrutinized
discern
behaviors
under
different
scenarios.
findings
indicate
distinct
strategies
Reservoir.
During
dry
years,
outflow
rate
restricted
1.20
m3/s
at
elevation
+53.07
m.
Conversely,
normal
years
allows
maximum
aimed
satisfying
demand,
set
+57.00
In
instances
excessive
rainfall,
highlights
potential
overflow
beyond
spillway
threshold.
underscores
significance
these
results
effective
management
resource
allocation
region.
Understanding
behavior
various
conditions
enables
informed
decision-making
sustainable
utilization
resources.
build
upon
this
study,
it
recommended
implement
continuous
monitoring
systems
both
rates.
Furthermore,
installation
rainfall
stations
within
catchment
area
would
enhance
data
accuracy.
Regular
evaluations
patterns
are
also
advised,
allowing
adaptive
response
evolving
climate
conditions.
Moreover,
future
research
endeavors
should
focus
augmenting
supply
meet
demands
growing
population
livestock,
while
optimizing
agricultural
practices
boost
productivity.
Journal of Law and Sustainable Development,
Год журнала:
2023,
Номер
11(12), С. e1926 - e1926
Опубликована: Дек. 1, 2023
Purpose:
This
study
intends
to
carry
out
the
assessment
of
an
earth
fill
dry
dam
safety
for
flood
control
from
perspective
hydraulic
points
view.
Theoretical
reference:
Ciawi
is
first
built
in
Indonesia
and
has
been
operated
since
end
year
2022.
The
reduce
Q50
Ciliwung
River,
it
design
peak
extend
Jakarta.
Method:
methodology
consists
by
carrying
experiment
laboratory
test
1:50
scale;
then
using
software
FLOW-3D
analyzing
numerical
modeling.
Some
discharge
was
evaluated
researched
scenarios
as
follow:
2(two)
gate
openings,
1
opening
close.
Result
Conclusion:
result
shows
that
there
a
good
method
between
theoretical
formula,
simulation
physical
Implication
research:
location
spillway
separated
bottom
outlets,
placed
at
left
side
abutment,
ogee
type
while
outlets
located
right
abutment
with
two
conduits
which
allow
inspection
or
maintenance
during
operation
mainly
designed
original
bed
level
be
able
pass
through
sediments
inflow
naturally
flooding
periods.
Both
structures
are
meet
issue.
Originality/
value:
comparison
Flow-3D
done
scenario
one
gated
close
PMF
confirm
satisfactory
outlet
capacity.
Journal of Law and Sustainable Development,
Год журнала:
2024,
Номер
12(1), С. e2425 - e2425
Опубликована: Янв. 12, 2024
Purpose:
This
research
intends
to
analyze
the
low
flow
in
cascade
reservoir
Sekampung
watershed
Theoretical
reference:
The
analysis
uses
HEC-HMS
model
with
input
parameters
are
GPM
satellite
rainfall
that
is
calibrated
by
ground
station
data
watershed,
variation
of
land
use,
and
soil
type.
Method:
methodology
consist
using
model.
Then,
this
discharge
Batutegi
reservoir.
Result
Conclusion:
result
produces
linear
average
comparation
ratio
sub-watershed
area
each
outlet
as
follow:
11.0%
(W1),
10.4%
(W2),
39.9%
(B1),
9.2%
(W3),
30.5%
(B2).
Half
monthly
range
2.6-40.8
m3/s
2.6-35.8
11.9-151.4
2.6-34.8
8.8-116.2
Percentile
dependable
used
>66.6%
for
dry
year,
66.6%-33.3%
normal
<33.3%
wet
year
value
between
6.6-25.4
5.7-23.2
24.2-97.3
5.4-22.4
18.0-74.8
Implication
research:
calibration
modelling
observed
RMSE
0.462,
NSE
0.787,
PBIAS
0.04%
interpretation
very
good.
validation
0.632,
0.601,
0.01%
Originality/
value:
analyzing
flood
study
location
software
carrying
out
division
into
smaller
sub-watershed.
