Browse Publications Technical Papers 2013-36-0038
2013-05-15

Correlation Test: Guaporé Mountain Test vs Proving Ground 2013-36-0038

Downhill tests are widely used as a method of evaluation, development and validation of braking efficiency, friction pair durability, braking balance, as well as fade characteristics and recovery of friction material properties. This test procedure is used for both: passenger vehicles and light & heavy commercial vehicles.
The energy levels in the brake system are higher on commercial vehicles and the thermal characteristics much more critical. Added to the fact that such tests are conducted on public highways, it has an intrinsic security risk for both the vehicle tested and all others around.
Until a few years ago, it was still feasible to conduct tests downhill on different routes keeping a high security level. Given an increasing traffic on highways, where the test is currently carried out, a need to create a similar downhill procedure (called Guaporé Mountain Test) within a Proving Ground under controlled conditions has been noticed.
In addition to increased safety conditions to conduct tests by performing them in a well-controlled environment with known boundary conditions, it was also possible to increase the repeatability and reduce the execution time of the tests.

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