Emissions and Total Cost of Ownership Assessment of Hybrid Propulsion Concepts for Bus Transport with CNG or Diesel Engine
12 S. Air pollution is one of the emerging problems in our society. (Plug-in) hybrid electric propulsion concepts offer the possibility to reduce emissions as well as total cost of ownership (TCO) for public transport vehicles (e.g. bus application). In this context, typically diesel engines are use...
Published in: | 2021 Sixteenth International Conference on Ecological Vehicles and Renewable Energies (EVER) |
---|---|
Main Authors: | , , , , , , |
Format: | Conference Object |
Language: | English |
Published: |
2021
|
Subjects: | |
Online Access: | https://publica.fraunhofer.de/handle/publica/411429 https://doi.org/10.1109/EVER52347.2021.9456607 |
id |
ftfrauneprints:oai:publica.fraunhofer.de:publica/411429 |
---|---|
record_format |
openpolar |
spelling |
ftfrauneprints:oai:publica.fraunhofer.de:publica/411429 2024-04-28T08:35:20+00:00 Emissions and Total Cost of Ownership Assessment of Hybrid Propulsion Concepts for Bus Transport with CNG or Diesel Engine Landersheim, Volker Tran, Dai-Duong Pham, Thinh Manushyna, Daria Geury, Thomas Wilkins, Steven Hegazy, Omar 2021 https://publica.fraunhofer.de/handle/publica/411429 https://doi.org/10.1109/EVER52347.2021.9456607 en eng International Conference on Ecological Vehicles and Renewable Energies (EVER) 2021 Sixteenth International Conference on Ecological Vehicles and Renewable Energies, EVER 2021 doi:10.1109/EVER52347.2021.9456607 https://publica.fraunhofer.de/handle/publica/411429 emission Hybrid Propulsion Concept diesel engine 620 conference paper 2021 ftfrauneprints https://doi.org/10.1109/EVER52347.2021.9456607 2024-04-03T14:20:06Z 12 S. Air pollution is one of the emerging problems in our society. (Plug-in) hybrid electric propulsion concepts offer the possibility to reduce emissions as well as total cost of ownership (TCO) for public transport vehicles (e.g. bus application). In this context, typically diesel engines are used to form the hybrid propulsion system of the vehicle. Gaseous fuels represent an attractive alternative to diesel for both ecologic and economic reasons. In the framework of the research project ""Optimised Real-world Cost-Competitive Modular Hybrid Architecture"" (ORCA), which was funded by the EU, two different hybrid electric propulsion concepts have been investigated: one using a diesel engine as internal combustion engine and one using CNG engine. The aim of the current study is to analyse specific benefits for the aforementioned hybrid propulsion systems for representative driving scenarios with regard to emissions (e.g. NO x and CO 2 ) and total cost of ownership in bus application. Engine models based on experimental data for diesel and CNG were developed to estimate the emissions from engine torque and rotational speed. For designing optimal energy management strategies for each propulsion system, maps-driven quasi-static models for specific engine types are used in this study. This paper compares the two aforementioned propulsion concepts regarding their CO 2 and NO x emissions. This comparison is performed for relevant bus missions (urban, suburban, with and without zero-emission zone) and with different energy management strategies. In addition to the emissions, also the downsizing potential of the combustion engine has been analysed to minimize the powertrain TCO (pTCO) for plug-in hybrid electric buses. The results of the performed analyses show that the hybrid propulsion concept using the CNG engine shows advantages both with respect to emissions as well as to pTCO. The pTCO is 10% lower, CO 2 emissions are 13% lower and the NO x emissions are more than 50% lower than with the diesel combustion ... Conference Object Orca Publikationsdatenbank der Fraunhofer-Gesellschaft 2021 Sixteenth International Conference on Ecological Vehicles and Renewable Energies (EVER) 1 12 |
institution |
Open Polar |
collection |
Publikationsdatenbank der Fraunhofer-Gesellschaft |
op_collection_id |
ftfrauneprints |
language |
English |
topic |
emission Hybrid Propulsion Concept diesel engine 620 |
spellingShingle |
emission Hybrid Propulsion Concept diesel engine 620 Landersheim, Volker Tran, Dai-Duong Pham, Thinh Manushyna, Daria Geury, Thomas Wilkins, Steven Hegazy, Omar Emissions and Total Cost of Ownership Assessment of Hybrid Propulsion Concepts for Bus Transport with CNG or Diesel Engine |
topic_facet |
emission Hybrid Propulsion Concept diesel engine 620 |
description |
12 S. Air pollution is one of the emerging problems in our society. (Plug-in) hybrid electric propulsion concepts offer the possibility to reduce emissions as well as total cost of ownership (TCO) for public transport vehicles (e.g. bus application). In this context, typically diesel engines are used to form the hybrid propulsion system of the vehicle. Gaseous fuels represent an attractive alternative to diesel for both ecologic and economic reasons. In the framework of the research project ""Optimised Real-world Cost-Competitive Modular Hybrid Architecture"" (ORCA), which was funded by the EU, two different hybrid electric propulsion concepts have been investigated: one using a diesel engine as internal combustion engine and one using CNG engine. The aim of the current study is to analyse specific benefits for the aforementioned hybrid propulsion systems for representative driving scenarios with regard to emissions (e.g. NO x and CO 2 ) and total cost of ownership in bus application. Engine models based on experimental data for diesel and CNG were developed to estimate the emissions from engine torque and rotational speed. For designing optimal energy management strategies for each propulsion system, maps-driven quasi-static models for specific engine types are used in this study. This paper compares the two aforementioned propulsion concepts regarding their CO 2 and NO x emissions. This comparison is performed for relevant bus missions (urban, suburban, with and without zero-emission zone) and with different energy management strategies. In addition to the emissions, also the downsizing potential of the combustion engine has been analysed to minimize the powertrain TCO (pTCO) for plug-in hybrid electric buses. The results of the performed analyses show that the hybrid propulsion concept using the CNG engine shows advantages both with respect to emissions as well as to pTCO. The pTCO is 10% lower, CO 2 emissions are 13% lower and the NO x emissions are more than 50% lower than with the diesel combustion ... |
format |
Conference Object |
author |
Landersheim, Volker Tran, Dai-Duong Pham, Thinh Manushyna, Daria Geury, Thomas Wilkins, Steven Hegazy, Omar |
author_facet |
Landersheim, Volker Tran, Dai-Duong Pham, Thinh Manushyna, Daria Geury, Thomas Wilkins, Steven Hegazy, Omar |
author_sort |
Landersheim, Volker |
title |
Emissions and Total Cost of Ownership Assessment of Hybrid Propulsion Concepts for Bus Transport with CNG or Diesel Engine |
title_short |
Emissions and Total Cost of Ownership Assessment of Hybrid Propulsion Concepts for Bus Transport with CNG or Diesel Engine |
title_full |
Emissions and Total Cost of Ownership Assessment of Hybrid Propulsion Concepts for Bus Transport with CNG or Diesel Engine |
title_fullStr |
Emissions and Total Cost of Ownership Assessment of Hybrid Propulsion Concepts for Bus Transport with CNG or Diesel Engine |
title_full_unstemmed |
Emissions and Total Cost of Ownership Assessment of Hybrid Propulsion Concepts for Bus Transport with CNG or Diesel Engine |
title_sort |
emissions and total cost of ownership assessment of hybrid propulsion concepts for bus transport with cng or diesel engine |
publishDate |
2021 |
url |
https://publica.fraunhofer.de/handle/publica/411429 https://doi.org/10.1109/EVER52347.2021.9456607 |
genre |
Orca |
genre_facet |
Orca |
op_relation |
International Conference on Ecological Vehicles and Renewable Energies (EVER) 2021 Sixteenth International Conference on Ecological Vehicles and Renewable Energies, EVER 2021 doi:10.1109/EVER52347.2021.9456607 https://publica.fraunhofer.de/handle/publica/411429 |
op_doi |
https://doi.org/10.1109/EVER52347.2021.9456607 |
container_title |
2021 Sixteenth International Conference on Ecological Vehicles and Renewable Energies (EVER) |
container_start_page |
1 |
op_container_end_page |
12 |
_version_ |
1797567460336992256 |