March 1, 2024SAE International journal of commercial vehicles

Influence of Exhaust Aftertreatment System on Powertrain Vibration Behavior

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Authors

ASAmit Kumar SarnaIndian Institute of Technology Ropar JSJitender SinghIndian Institute of Technology Ropar NKNavin KumarChaudhary Devi Lal University

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Implication

Multi-body dynamics simulation demonstrates improved rigid body modes decoupling in commercial vehicles, highlighting the need to include exhaust aftertreatment systems during mount design.

Key Points

Powertrain rigid body modes decoupling improves under real field events, and overall vehicle vibration decreases when the coupled exhaust aftertreatment system is integrated.
Multi-body dynamics model simulations with 22 DOF analyze static and dynamic real-life vehicle events, predicting coupling effects on torque roll axis behavior and mount performance.
Highlights that omitting exhaust aftertreatment hardware during initial powertrain isolators design degrades nvh refinement, calling for comprehensive subsystem coupling in early phases.

Cite This Study

Sarna et al. (2024) studied this question.

synapsesocial.com/papers/68e7649bb6db6435876da50c https://doi.org/10.4271/02-17-02-0011

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Implication

Multi-body dynamics simulation demonstrates improved rigid body modes decoupling in commercial vehicles, highlighting the need to include exhaust aftertreatment systems during mount design.

Influence of Exhaust Aftertreatment System on Powertrain Vibration Behavior

Discussion

Member takes

Implication

Key Points

Cite This Study

Influence of Exhaust Aftertreatment System on Powertrain Vibration Behavior

Discussion

Member takes

Implication

Key Points

Cite This Study

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