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A study of the interaction between vehicle exterior noise emissions and vehicle energy demands for different drive cycles
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering. KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design.ORCID iD: 0000-0003-1743-2531
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering. KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design.ORCID iD: 0000-0003-4103-0129
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering. KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design.ORCID iD: 0000-0002-6555-531X
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering. KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design.ORCID iD: 0000-0003-0176-5358
2019 (English)In: 23rd International Congress on Acoustics, ICA, 2019Conference paper, Published paper (Other academic)
Abstract [en]

This initial study investigates the interaction between vehicle noise emissions and the energy required to move the vehicles along different drive cycles. There is a trade-off between reducing noise emissions and at the same time reducing other environmental impacts. A vehicle's energy demand associated with a specific drive cycle may be affected when a different route is chosen between two locations to reduce the noise exposure at certain observer points. The methodology of the study was to use the existing IMAGINE traffic noise model as a source model, and to evaluate the sound exposure level (SEL) at observer points as a function of instantaneous sound pressure level estimates as the source moved from one location to another via two different routes. A noise impact estimate with a linear dependence on the difference between the SEL and a threshold level was proposed. Also, the energy demand for each route was calculated. The results indicated that there is a difference between the two routes if the aim is to reduce the noise exposure or the energy demand. Suggested future research is to further improve the noise impact evaluations in the context of very short durations of exposure.

Place, publisher, year, edition, pages
2019.
Keywords [en]
Vehicle noise emissions, Energy demand, Drive cycles
National Category
Vehicle Engineering Fluid Mechanics and Acoustics Environmental Engineering
Identifiers
URN: urn:nbn:se:kth:diva-252699OAI: oai:DiVA.org:kth-252699DiVA, id: diva2:1320124
Conference
23rd International Congress on Acoustics, ICA, September 09-13, 2019, Aachen, Germany
Note

QC 20190819

Available from: 2019-06-04 Created: 2019-06-04 Last updated: 2019-08-19Bibliographically approved

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Nygren, JohanBoij, SusannRumpler, RomainO'Reilly, Ciarán J.
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