Physics of Fluids,
Journal Year:
2025,
Volume and Issue:
37(1)
Published: Jan. 1, 2025
This
paper
investigates
the
transmission
characteristics
of
cough
droplets
from
infected
individuals
in
office
environments
under
influence
an
impinging
jet
ventilation
(IJV)
system
based
on
Eulerian–Lagrangian
model.
The
accuracy
dispersed
phase
model
and
IJV
simulation
was
validated
by
analyzing
a
single
droplet
evaporation
model,
publicly
available
experimental
results,
previously
simulated
results.
effects
different
exhaust
locations,
relative
positioning
to
individual,
application
partitions
spatial
propagation
are
explored.
results
indicate
that
exhibit
significant
ability
obstruct
capture
droplets.
Under
static
conditions,
they
capable
capturing
over
36%
generated
coughing,
although
this
efficiency
may
be
slightly
influenced
system.
notably
affects
movement,
with
progressively
converging
toward
upper-left
corner
room
as
airflow
develops.
exhausts,
combination
system,
is
crucial
impeding
removing
Taking
into
account
variations
individual's
position,
centrally
located
arrangement
might
provide
more
effective
inhibition
virus
dispersion.
Environment International,
Journal Year:
2023,
Volume and Issue:
178, P. 108127 - 108127
Published: Aug. 1, 2023
Buildings
are
constructed
and
operated
to
satisfy
human
needs
improve
quality
of
life.
Good
indoor
air
(IAQ)
thermal
comfort
prerequisites
for
health
well-being.
For
their
provision,
buildings
often
rely
on
heating,
ventilation,
conditioning
(HVAC)
systems,
which
may
lead
higher
energy
consumption.
This
directly
impacts
efficiency
goals
the
linked
climate
change
considerations.
The
balance
between
use,
optimum
IAQ
calls
scientifically
solid
well-established
limit
values
exposures
experienced
by
building
occupants
in
spaces,
including
homes,
schools,
offices.
present
paper
aims
appraise
selected
pollutants
reported
scientific
literature,
how
they
handled
international
national
guidelines
standards.
include
carbon
dioxide
(CO2),
formaldehyde
(CH2O),
particulate
matter
(PM),
nitrogen
(NO2),
monoxide
(CO),
radon
(Rn).
Furthermore,
acknowledging
particularly
strong
impact
use
from
HVAC,
temperature
(T),
relative
humidity
(RH)
also
included,
as
relate
both
possibilities
avoid
moisture
related
problems,
such
mould
growth
proliferation
house
dust
mites.
Examples
regulations
these
parameters
presented,
relation
requirements
considering
aspects
saving.
work
is
based
Indoor
Environmental
Quality
(IEQ)
database,
spans
across
countries
institutions,
aids
taking
steps
direction
towards
a
more
uniform
guidance
parameters.
database
coordinated
Scientific
Technical
Committee
(STC)
34,
part
ISIAQ,
International
Society
Air
Climate.
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
280, P. 116532 - 116532
Published: June 7, 2024
Air
pollution,
a
pervasive
environmental
threat
that
spans
urban
and
rural
landscapes
alike,
poses
significant
risks
to
human
health,
exacerbating
respiratory
conditions,
triggering
cardiovascular
problems,
contributing
myriad
of
other
health
complications
across
diverse
populations
worldwide.
This
article
delves
into
the
multifarious
impacts
air
utilizing
cutting-edge
research
methodologies
big
data
analytics
offer
comprehensive
overview.
It
highlights
emergence
new
pollutants,
their
sources,
characteristics,
thereby
broadening
our
understanding
contemporary
quality
challenges.
The
detrimental
effects
pollution
are
examined
thoroughly,
emphasizing
both
short-term
long-term
impacts.
Particularly
vulnerable
identified,
underscoring
need
for
targeted
risk
assessments
interventions.
presents
an
in-depth
analysis
global
disease
burden
attributable
offering
comparative
perspective
illuminates
varying
different
regions.
Furthermore,
it
addresses
economic
ramifications
quantifying
losses,
discusses
implications
public
policy
care
systems.
Innovative
intervention
measures
explored,
including
case
studies
demonstrating
effectiveness.
paper
also
brings
light
recent
discoveries
insights
in
field,
setting
stage
future
directions.
calls
international
cooperation
tackling
underscores
crucial
role
awareness
education
mitigating
its
exploration
serves
not
only
as
scientific
discourse
but
clarion
call
action
against
invisible
insidious
making
vital
read
researchers,
policymakers,
general
public.
Energy Science & Engineering,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 7, 2025
ABSTRACT
This
study
investigates
the
viability
and
benefits
of
utilizing
compressed
earth
blocks
(CEBs)
as
a
sustainable
construction
material
under
varying
climatic
conditions,
focusing
on
two
cities
in
Saudi
Arabia:
Riyadh,
representing
hot
desert
climate,
Abha,
cooler,
high‐altitude
climate.
A
comprehensive
simulation‐based
methodology
was
employed,
which
included
energy
performance
modeling
optimization
using
EnergyPlus
software,
climate
data
analysis,
environmental
impact
assessment,
cost
analysis.
To
further
verify
results,
simulations
were
validated
machine
learning
model,
specifically
gradient
boosting
regressor
(GBR),
to
ensure
accuracy
reliability.
The
demonstrate
that
CEBs
provide
substantial
terms
structural
performance,
efficiency,
sustainability.
For
instance,
CEB
buildings
showed
reduced
cooling
loads
by
35%
Riyadh
25%
while
also
maintaining
high
indoor
air
quality
thermal
comfort,
leading
80‐85%
occupant
satisfaction.
use
contributed
significant
reductions
carbon
emissions,
with
90%
renewable
materials,
proved
be
cost‐effective
over
long
term.
GBR
validation
confirmed
less
than
2%
variation
from
simulations,
ensuring
reliability
results.
Environmental
assessments
revealed
resource
consumption,
waste
generation
through
adoption
CEBs.
Although
initial
may
slightly
higher
traditional
long‐term
savings
maintenance
costs
make
them
an
economically
viable
option,
particularly
regions
extreme
climates.
underscores
potential
versatile,
efficient,
building
material,
offering
reduction,
cost‐effectiveness,
comfort—all
based
robust
simulation
Electronic Journal of General Medicine,
Journal Year:
2025,
Volume and Issue:
22(2), P. em632 - em632
Published: Feb. 13, 2025
Indoor
air
quality
(IAQ)
at
educational
institutions
has
emerged
as
an
important
public
health
issue,
affecting
the
and
cognitive
performance
of
school-aged
children,
students,
faculty
alike.
This
scoping
review
study
seeks
to
investigate
synthesize
current
literature
on
factors
influencing
state
research
IAQ
in
its
implications
for
health.
The
methodology
this
is
with
guidelines
preferred
reporting
items
extension
reviews.
technique
thoroughly
investigated
peer-reviewed
journals,
international
organizations,
government
reports,
case
studies
contexts.
Using
keywords
such
IAQ;
institutions;
health;
Europe,
“adverse
outcomes,”
study’s
inclusion
exclusion
criteria,
well
criteria
use
assessments.
results
show
that
poor
linked
various
problems,
including
respiratory
issues
impairments,
especially
among
vulnerable
groups
like
children
teachers.
Inadequate
ventilation,
volatile
organic
compounds,
mold
growth,
external
contaminants
are
all
common
causes
IAQ.
Monitoring
management
measures
required
improve
Educational
Institutions,
encouraging
students’
academic
performance.
Policy
also
interdisciplinary
approaches
addressing
concern.
Current Research in Green and Sustainable Chemistry,
Journal Year:
2023,
Volume and Issue:
7, P. 100383 - 100383
Published: Jan. 1, 2023
This
review
article
discusses
the
potential
of
using
metal-doped
TiO2
as
a
photocatalyst
for
dye
degradation
in
water.
is
promising
but
limited
due
to
its
fast
electron-hole
recombination
rate
and
vast
bandgap
energy.
Metal
dopants
have
enhanced
photocatalytic
activity
TiO2,
especially
noble
metal
doping,
synergistic
effects
between
TiO2.
The
summarizes
experimental
studies
on
compares
performance
doped
undoped
authors
emphasize
importance
understanding
interaction
improve
stability
highlights
optimum
dopant
concentration
preparation
methods
that
can
textural
or
surface
properties
enhance
capacity.
