Article | Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden | Emission reduction of mobile machines by hydraulic hybrid Link�ping University Electronic Press Conference Proceedings
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Title:
Emission reduction of mobile machines by hydraulic hybrid
Author:
Seppo Tikkanen: Tampere University of Technology, Laboratory of Automation and Hydraulic Engineering, Tampere, Finland Elias Koskela: Tampere University of Technology, Laboratory of Automation and Hydraulic Engineering, Tampere, Finland Ville Ahola: Tampere University of Technology, Laboratory of Automation and Hydraulic Engineering, Tampere, Finland Kalevi Huhtala: Tampere University of Technology, Laboratory of Automation and Hydraulic Engineering, Tampere, Finland
DOI:
10.3384/ecp1714462
Download:
Full text (pdf)
Year:
2017
Conference:
Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden
Issue:
144
Article no.:
006
Pages:
62-67
No. of pages:
6
Publication type:
Abstract and Fulltext
Published:
2017-12-20
ISBN:
978-91-7685-369-6
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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Emission regulations of the mobile machines have created lot of work for the machine manufacturers in recent years because of the Stage 4 /Tier 4 final regulations. The work will continue because the new EU stage 5 emission regulations for non-road-mobile-machines was published at the year 2016. Emission reduction is realized by different emission reduction systems that are located in the exhaust system in combination with sophisticated combustion control. The after treatment systems increase complexity and size of the exhaust system. Increased creation of NOx and particle emissions are related to sudden load and speed changes of the engine. This paper introduces effect of driving style on the real emissions of the municipal tractor and solutions to decrease emissions with hydraulic hybrid. Measurements show that the sudden load changes increase raw NOx and particle emissions (non after-treated emissions) and operators driving style has effect on the emissions. Stabilizing the load of the engine by the hybrid system reduces NOx and particle generation. When the engine load variation is minimized the size of the exhaust after treatment systems can be reduced.



Keywords: Non-road mobile machine, exhaust emissions, hydraulic hybrid

Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden

Author:
Seppo Tikkanen, Elias Koskela, Ville Ahola, Kalevi Huhtala
Title:
Emission reduction of mobile machines by hydraulic hybrid
DOI:
http://dx.doi.org/10.3384/ecp1714462
References:
No references available

Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden

Author:
Seppo Tikkanen, Elias Koskela, Ville Ahola, Kalevi Huhtala
Title:
Emission reduction of mobile machines by hydraulic hybrid
DOI:
http://dx.doi.org/10.3384/ecp1714462
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Citations:
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Last updated: 2018-9-11