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PRODUCTS & SERVICES
sound & vibration measurements
for a safer, quieter future
Improved reliability, fuel economy and noise
mitigation require accurate, valid data
The aerospace and defense industry has
always at Brüel & Kjær’s core. The
accuracy, quality and reliability of its
products are a perfect fit to the demands of
this industry. Many industry-leading products,
such as LAN-XI, result from that role and aid
our existing and future customers to improve
their product quality, reliability and time
to market.
AEROACOUSTICS
The aeroacoustic test is not only required by
the authorities to meet evolving
environmental requirements, it is a key task in
achieving quieter, fuel-saving, and lowemission
aircraft. The progression of acoustic
propagation models requires physical test
data to be more accurate and precise than
ever. Therefore increased channel counts,
resulting in longer test preparation, is
needed. Setup time is directly influenced by
complexity, and with increasing wind tunnel
usage, competition for time slots is stiff. This
means there is no room for error or re-testing.
Our LAN-XI-based data acquisition
systems can be freely placed around the test
sample, allowing greatly reduced sensor
cabling costs and simpler test preparation.
GAS TURBINE TESTING
The demand for more fuel efficient and
quieter aircraft engines has put engine
manufacturers into focus for delivering faster
and smarter powerplants.
Aircraft engine development presents a
major challenge: merging improved
performance with a 100% operational
reliability. Brüel & Kjær’s solution offers a fully
integrated, highly scalable system
architecture that provides real-time data
monitoring for potentially dozens of remote
data processing and viewing seats. It
communicates seamlessly with slow speed
DAQ system and engine instrumentation
information systems through APIs.
SATELLITE TESTING
Every satellite that goes into
orbit needs to run through
specific test campaigns to
simulate the launch before it
happens. Manufacturers and
operators must be sure that
all systems can fulfill their
intended tasks and operate
for their expected lifetime.
The setup of such a test is a
huge undertaking, with high
channel counts and
technical complexity. A
streamlined workflow and
standardized process
dedicated to minimizing
errors is key to being cost-effective testing.
Brüel & Kjær hardware and software
provide reliable data with easy access to
shock response, swept and stepped Sine,
random vibration, and acoustic testing. Time
savings start with a spreadsheet that can be
concurrently edited by specialists to save
time. The system can also record the entire
test and at the same time extract testing
impulses for transfer directly to postprocessing
without having to visually crop
each impulse.
STRUCTURAL DYNAMICS
This area covers the behavior of structures
subjected to dynamic loading. Understanding
how structures behave in action enables
engineers to optimize their designs, monitor
structural integrity, and maximize
performance.
Brüel & Kjær offers a complete and unique
solution to address experimental structural
dynamics purposes, with a full coverage of
the measurement and analysis chain, based
on BK Connect software, LAN-XI hardware,
modal shakers and/or hammers, and
transducers such as force transducers,
accelerometers and tacho probes. Our
DECEMBER 2019 \\ AEROSPACETESTINGINTERNATIONAL.COM
modern user interface, with tasks and
subtasks that are fully customizable, improve
productivity and reduce test campaign
preparation time.
Brüel &Kjær can offer the complete
measurement chain – from excitation to
sensors and all the way through data
acquisition and evaluation. Shaker excitation
is needed when the natural source isn’t
available, or the test must run under defined
parameters or environmental conditions. A
great deal of effort has been taken to ensure
that acquired data is accurate and valid
and repeatable.
Brüel & Kjær is able to provide fast and
reliable measurement systems that enable
swift decision-making with the confidence
that data is right the first time, greatly
impacting time to market. Global
synchronized data distribution capabilities
allow our worldwide-acting clients to
improve their processes and the optimized
usage of limited human resources. \\
FREE READER INQUIRY SERVICE
Brüel & Kjær
// The combination of the
right shaker with LAN-XI
will ensure the right data,
regardless of the satellite’s
size (Photo: INPE)
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