Fire,
Год журнала:
2024,
Номер
7(12), С. 453 - 453
Опубликована: Дек. 2, 2024
The
underground
power
houses
of
pumped-storage
stations
(PSPSs)
are
highly
complex,
with
interconnected
and
multidimensional
structures,
including
various
tunnels,
such
as
the
main
auxiliary
(MAPH),
transformer
tunnel
(MTT),
tailrace
gate
(TGT),
access
tunnels
(ATs),
cable
(CTs)
etc.
During
intensive
civil
construction
electromechanical
installation,
fire
risk
becomes
particularly
prominent.
Current
research
mainly
examines
incidents
within
individual
lacking
comprehensive
analyses
smoke
spread
across
entire
cavern
network.
Therefore,
in
this
study,
a
numerical
model
complex
PSPS
was
established
to
analyze
behavior
temperature
distribution
under
scenarios.
results
indicated
that
when
occurred
MAPH,
relatively
higher
compared
fires
other
places.
Using
example
from
MAPH
MTT,
process
through
key
connecting
caverns
analyzed.
Initially,
velocity
were
stable,
CTs
traffic
powerhouse
(TCTAP)
paths.
After
7
min,
heat
release
rate
(HRR)
became
ATs
paths
for
spread,
which
could
provide
reference
improving
design
systems.
Propelled
by
worries
about
climate
change
and
global
warming
Photovoltaic
panels
installation
has
gain
prominence
in
recent
times
worldwide
due
to
its
affordability
cleaner
nature
when
compared
other
renewable
energy
sources.
Many
people
have
switched
solar
PV
installations
as
a
result
of
this.
A
thorough
understanding
the
orientation
tilt
angles
panel
relation
sun
radiation
it
receives
is
essential
for
optimizing
design
any
system
best
performance.
In
Brikama,
West
Coast
Region
The
Gambia,
this
work
ascertains
ideal
angle
orientation.
This
was
accomplished
contrasting
outcomes
mathematical
model
with
experimental
data
gathered
at
same
location
during
months
year
using
module
(Model
AP-120)
made
Astro
Power,
Inc.,
Delaware,
USA,
single-axis
tracker
technology.
While
approach
yielded
within
range
9.10°–22.30°
mean
value
15.50°,
obtained
varied
from
5.10°
28.20°
an
average
14.80°.
According
generated
power
study,
panel's
maximum
measured
30°
South
angle,
resulted
3.6–48.1W.
indicates
that
gathering
efficiency
better
horizontal
position.
To
maximize
collection
photovoltaic
systems,
these
findings
are
vital.
systems
should
be
installed
carefully
since
they
generate
lot
sun's
rays
90°
pointed
directly
toward
sun.
Solar
engineers
or
workers
advised
install
15°
facing
south.
method
described
study
can
used
predict
incidence
on
deployed
another
place.
Fire,
Год журнала:
2024,
Номер
7(12), С. 453 - 453
Опубликована: Дек. 2, 2024
The
underground
power
houses
of
pumped-storage
stations
(PSPSs)
are
highly
complex,
with
interconnected
and
multidimensional
structures,
including
various
tunnels,
such
as
the
main
auxiliary
(MAPH),
transformer
tunnel
(MTT),
tailrace
gate
(TGT),
access
tunnels
(ATs),
cable
(CTs)
etc.
During
intensive
civil
construction
electromechanical
installation,
fire
risk
becomes
particularly
prominent.
Current
research
mainly
examines
incidents
within
individual
lacking
comprehensive
analyses
smoke
spread
across
entire
cavern
network.
Therefore,
in
this
study,
a
numerical
model
complex
PSPS
was
established
to
analyze
behavior
temperature
distribution
under
scenarios.
results
indicated
that
when
occurred
MAPH,
relatively
higher
compared
fires
other
places.
Using
example
from
MAPH
MTT,
process
through
key
connecting
caverns
analyzed.
Initially,
velocity
were
stable,
CTs
traffic
powerhouse
(TCTAP)
paths.
After
7
min,
heat
release
rate
(HRR)
became
ATs
paths
for
spread,
which
could
provide
reference
improving
design
systems.
