Behavior and Characteristics of Rubber Blade Car Perform
Keywords:
Contact force, noise, wiper blade, vibration, test rigAbstract
In this modern day, high technologies have contributed so much in improving and
optimizing the engine design and performance of the car. Improved isolation has helped to
minimize the engine noise by making other automotive part noises become more detectable.
One of the noise sources are from the wiper blades. When a wiper operates on a windshield,
it often results in vibratory phenomenon due to flutter instabilities and may in turn generate
squeal noise. In order to obtain good wiping characteristics, the rubber blade should be in
complete contact with the glass and under uniform contact pressure while not generating
vibration as it moves over the glass. A good wiping performance can be achieved by a
proper design of the wiper structure as well as a good understanding of the mechanical
behavior of the rubber blade. The primary objective of this research is to study the behavior
and characteristics of rubber wiper blade performance in order to reduce the automotive
windscreen wiper noise and vibration effects. Experiments confirm that the contact force
distribution between the rubber blade and glass is limited to a set of fixed locations that
normally produce such characteristics of the wiper rubber blade due to environmental
conditions such as humidity, temperature and wiper stiffness. Therefore, the experimental
results were compared with previous studies and the data analysis has been used
throughout the study and clearly demonstrates that it is achievable.
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