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01-09-2017 | Research

Effect of Cranktrain Design on Engine NVH Performance

Authors: Bernhard Graf, Alfred Rust, Mehdi Mehrgou, Hu Zhenyue

Published in: MTZ worldwide | Issue 9/2017

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Modern, efficient and emission optimised engines require combustion processes which are characterised by high peak pressure and high pressure gradients strongly exciting the engine structure and particularly the cranktrain. The torsional and bending stiffness of the crankshaft and furthermore its stiffness ratio to the main bearing structure are potential parameters influencing the combustion induced component of mechanical cranktrain noise which can lead to rough, growling or impulsive noise impressions. At AVL the effect of cranktrain design parameters on the engine NVH performance with a special focus on the crankshaft was investigated. …

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Title: Effect of Cranktrain Design on Engine NVH Performance
Authors: Bernhard Graf
Alfred Rust
Mehdi Mehrgou
Hu Zhenyue
Publication date: 01-09-2017
Publisher: Springer Fachmedien Wiesbaden
Published in: MTZ worldwide / Issue 9/2017
Electronic ISSN: 2192-9114
DOI: https://doi.org/10.1007/s38313-017-0087-9

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