The
PV/T
collectors
epitomize
the
advanced
photovoltaic
and
photothermal
integration
technology,
realizing
full-spectrum
utilization.
energy
profitability
of
not
only
depends
on
sophisticated
equipment
but
also
correlates
significantly
with
operational
regulation.
3-days-ahead
hourly
prediction
model
for
horizontal
global
solar
radiation
is
proposed
examined
three
classical
regression
seven
deep
learning
models.
SARIMAX
LSTM-Attention
emerge
as
most
outstanding
models
weighted
mean
R2
96.8%
94.0%,
respectively.
R2_train
and,
training
dataset
being
15
days
data.
An
optimal
timestep
12
identified,
recommended
upper
limit
20.
Variable
inclination
strategy,
variable
ground
reflectivity
reflector
strategies,
muti-strategies
optimization
are
analyzed
based
WOA
algorithm.
monthly
variation
a
compromise
due
to
1.5
MJ/m2
improvement
compared
weekly
variation.
5%
addition
leads
0.45%
average
incident
radiation.
can
achieve
relative
11.53%
12.52%
in
thermal
electrical
gain,
which
contribution
from
individually
occupy
nearly
10%.
Frontiers in Water,
Journal Year:
2024,
Volume and Issue:
6
Published: Nov. 20, 2024
West
African
countries
frequently
experience
extreme
rainfall
events
during
the
monsoon
season.
On
September
5,
2020,
a
significant
event
occurred
in
Dakar
region
of
Senegal
with
daily
totals
exceeding
90
mm,
causing
widespread
flooding
and
displacing
1,000's
people.
Despite
severity
this
event,
physical
mechanisms
driving
such
remain
unexplored.
This
study
aims
to
investigate
associated
using
multiple
data
sources,
including
satellite
estimate
products
(GPM-IMERG,
CHIRPS)
reanalysis
(ERA-5).
By
analyzing
wind
fields
mid-tropospheric
moisture
content
from
data,
we
examined
synoptic-dynamic
evolution
atmosphere
movement
cyclonic
vortex
that
transported
affected
region,
resulting
substantial
measurements
100
mm.
The
analysis
also
revealed
over
ocean
slowed
down
near
Senegal,
prolonging
total
period
10
h.
Additionally,
presents
comprehensive
comparative
state-of-the-art
estimates,
assessing
their
accuracy
reliability
capturing
both
spatially
at
specific
gauges
situated
Dakar.
evaluation
while
estimates
are
valuable,
they
tended
underestimate
(up
40%)
actual
observed
Dakar-Yoff
station.
Furthermore,
value
showed
there
is
tendency
return
levels
for
high-intensity
events,
some
cases
showing
underestimations
by
up
twice
values.
Thus,
research
advances
our
understanding
Africa
improves
knowledge
satellite-based
contributing
future
monitoring
preparedness.
these
findings
highlight
importance
systems
Easterly
Waves,
better
Africa.
Environmental Research Infrastructure and Sustainability,
Journal Year:
2024,
Volume and Issue:
4(2), P. 025004 - 025004
Published: April 25, 2024
Abstract
The
research
aims
to
identify
which
healthcare
facilities
(HCFs)
in
Ghana
are
suitable
for
electrification
using
photovoltaic
mini-grids
increase
their
energy
self-sufficiency
and
reliability
of
services
provided.
Additionally,
the
study
categorises
HCFs
two
groups:
those
with
without
or
poor
access
electricity
supply,
settlements
within
catchment
area,
determine
demand
identified
HCF
sites
surrounding
communities.
assesses
most
mini-grid
system
setup
electrify
impact
including
communities
into
modelling.
Finally,
accumulated
solar
potential
all
sites.
findings
highlight
importance
integrated
planning
between
health
sectors
ensure
high-quality
services.
Solar
as
a
promising
solution
electrifying
improving
self-sufficiency.
However,
it
is
recommended
avoid
transferring
different
types
due
unique
characteristics.
also
emphasizes
balancing
flow
stabilizing
through
combination
communities’
demand.
It
crucial
assess
carefully
based
on
context-specific
characteristics,
such
type
number
households
considered.
Overall,
provides
valuable
insights
careful
assessments.
The
PV/T
collectors
epitomize
the
advanced
photovoltaic
and
photothermal
integration
technology,
realizing
full-spectrum
utilization.
energy
profitability
of
not
only
depends
on
sophisticated
equipment
but
also
correlates
significantly
with
operational
regulation.
3-days-ahead
hourly
prediction
model
for
horizontal
global
solar
radiation
is
proposed
examined
three
classical
regression
seven
deep
learning
models.
SARIMAX
LSTM-Attention
emerge
as
most
outstanding
models
weighted
mean
R2
96.8%
94.0%,
respectively.
R2_train
and,
training
dataset
being
15
days
data.
An
optimal
timestep
12
identified,
recommended
upper
limit
20.
Variable
inclination
strategy,
variable
ground
reflectivity
reflector
strategies,
muti-strategies
optimization
are
analyzed
based
WOA
algorithm.
monthly
variation
a
compromise
due
to
1.5
MJ/m2
improvement
compared
weekly
variation.
5%
addition
leads
0.45%
average
incident
radiation.
can
achieve
relative
11.53%
12.52%
in
thermal
electrical
gain,
which
contribution
from
individually
occupy
nearly
10%.
