Journal of sensors and sensor systems,
Год журнала:
2024,
Номер
13(2), С. 219 - 226
Опубликована: Авг. 2, 2024
Abstract.
The
measurement
of
air
quality,
particularly
the
concentration
carbon
dioxide
(CO2),
has
gained
significant
interest
due
to
increased
public
health
awareness.
Elevated
concentrations
CO2
in
have
been
linked
negative
effects
on
cognitive
functions
and
directly
correlate
with
quality
indoor
air.
This
work
presents
prototype
a
miniaturized
sensor
module
designed
for
sensing
utilizes
two-chamber
photoacoustic
concept
features
compact
design
combining
an
absorption
cell
wafer-bonded
detector
based
silicon
MEMS
(micro-electro-mechanical
systems)
microphone
technology.
CO2-filled
chip
uses
effect
is
able
detect
pressure
oscillations
within
enclosed
volume
generated
by
modulated
infrared
(IR)
light
molecules.
complete
measures
only
9×13×7.8
mm3
used
smallest
sensors
reported
date.
Experimental
characterization
showed
that
achieves
detection
limit
81
ppm
exhibits
response
time
τ63
53
s.
size
performance
characteristics
make
proposed
suitable
applications
monitoring.
Since
most
people
spend
more
time
at
work
in
recent
times,
this
has
led
to
workplace
issues
and
health
problems.
The
well‐being
of
occupants
their
overall
are
strongly
impacted
by
factors
that
determine
the
standard
indoor
environments.
These
include
air
quality,
level
thermal
comfort,
inclusion
plants,
admission
daylighting,
a
variety
other
factors.
absence
any
these
may
result
sick
building
syndrome
(SBS).
Therefore,
well‐planned
workspaces
vital
for
occupants’
productivity
work.
aim
article
is
investigate
proactive
measures
mitigating
SBS
office
buildings
located
within
universities
United
Kingdom.
study
administered
questionnaire
gather
perceptions
occupants,
followed
comparative
case
analysis
two
University
Greenwich
on
different
campuses
highlight
correlation
among
physical
parameters
spaces
occurrence
SBS.
results
showed
notable
percentage
participants
reported
experiencing
least
symptoms
This
provided
clear
evidence
primarily
associated
with
characteristics
building,
elements
significantly
influence
experiences.
mitigation
potential
adverse
effects
inhabitants
during
operating
phase
resulting
from
variables
can
be
achieved
implementation
conscious
design
considerations
initial
planning
stages
future
buildings.
One
practical
implications
it
raises
urgency
built
environment
professionals
fully
aware
how
decisions
could
either
contribute
or
prevent
symptoms.
Journal of sensors and sensor systems,
Год журнала:
2024,
Номер
13(2), С. 219 - 226
Опубликована: Авг. 2, 2024
Abstract.
The
measurement
of
air
quality,
particularly
the
concentration
carbon
dioxide
(CO2),
has
gained
significant
interest
due
to
increased
public
health
awareness.
Elevated
concentrations
CO2
in
have
been
linked
negative
effects
on
cognitive
functions
and
directly
correlate
with
quality
indoor
air.
This
work
presents
prototype
a
miniaturized
sensor
module
designed
for
sensing
utilizes
two-chamber
photoacoustic
concept
features
compact
design
combining
an
absorption
cell
wafer-bonded
detector
based
silicon
MEMS
(micro-electro-mechanical
systems)
microphone
technology.
CO2-filled
chip
uses
effect
is
able
detect
pressure
oscillations
within
enclosed
volume
generated
by
modulated
infrared
(IR)
light
molecules.
complete
measures
only
9×13×7.8
mm3
used
smallest
sensors
reported
date.
Experimental
characterization
showed
that
achieves
detection
limit
81
ppm
exhibits
response
time
τ63
53
s.
size
performance
characteristics
make
proposed
suitable
applications
monitoring.
