Automotive Engineering - September 2023 - 11

TECHNOLOGY REPORT
Dampers and suspension modules and systems of all manner are tested at Tenneco's new test
facility in Gliwice, Poland.
here just up the road. " The new site is
located on a science and new technology
park, with the Silesian University
nearby. There also is a connection with
the Technology University of Krakow.
Products designed and validated at
the new facility include Monroe passive
dampers and modules and semi-active
suspension dampers and modules used
in a variety of vehicles, from passenger
vehicles to commercial trucks, buses
and trailers and more. Core components
such as valve systems, guidance and
sealing systems and damper structural
parts and materials also are designed at
the new center.
" We made this a center of excellence
for many of the different developments
that we're producing. For instance, all
simulation is run out of this facility "
says Johansson, " Customers are constantly
changing and trying to reduce
the time to market. One step is using
much more simulation instead of testing.
That has already shortened many
of the OEMs' time to market. "
Collaborative projects with vehicle
manufacturers are overseen from the
center. Through these, Tenneco's engineers
work with manufacturers to test
and set damper valving ahead of newvehicle
launches. Tenneco can conduct
four to five ride sessions per week from
the center. The company uses adjustable
dampers for these test sessions,
supplied with a variety of valves. Once
the settings are finalized, the production
dampers are manufactured as
sealed units. Tuning takes place with
different vehicle variants such as sedan,
wagon, cabriolet and sport. Even an
open sunroof can affect the settings.
The new site conducts durability testing
on dampers with 28 test cells for 28
different tests. This includes testing the
structure of dampers as well as entire
suspension systems. Simulation can
generate environments similar to road
conditions. A typical customer specification
could include a working life of 10
years and a requirement to cover
150,000 km (93,000 miles), with testing
accordingly.
Semi-active suspension systems now
are common for premium vehicles.
When Johansson was asked how likely
it is that the technology would find its
way into mass market cars, he explained,
" We're quoting platforms now
where you would typically find €25 -
€30,000 ($28,000 to $33,600) cars
and this is already happening today. I
think we would be able to go even further
than that. "
John Kendall
Exterior of Tenneco's new 103,000-sq.ft. test facility in Gliwice, Poland.
AUTOMOTIVE ENGINEERING
September 2023 11
BOTH IMAGES: TENNECO

Automotive Engineering - September 2023

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Automotive Engineering - September 2023 - CVR1
Automotive Engineering - September 2023 - CVR2
Automotive Engineering - September 2023 - 1
Automotive Engineering - September 2023 - 2
Automotive Engineering - September 2023 - 3
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