Research Output 1980 2019

2019

Adaptation of Black Carbon Footprint Concept Would Accelerate Mitigation of Global Warming

Timonen, H., Karjalainen, P., Aalto, P., Saarikoski, S., Mylläri, F., Karvosenoja, N., Jalava, P., Asmi, E., Aakko-Saksa, P., Saukkonen, N., Laine, T., Saarnio, K., Niemelä, N., Enroth, J., Väkevä, M., Oyola, P., Pagels, J., Ntziachristos, L., Cordero, R., Kuittinen, N. & 2 others, Niemi, J. V. & Rönkkö, T., 5 Nov 2019, In : Environmental Science & Technology. 53, 21, p. 12153-12155

Research output: Contribution to journalOther journal contributionScientific

1 Downloads (Pure)
Open Access
File
4 Downloads (Pure)

City bus performance evaluation

Söderena, P., Nylund, N-O. & Mäkinen, R., 27 Dec 2019, VTT Technical Research Centre of Finland. 26 p. (VTT Customer Report; No. VTT-CR-00544-19).

Research output: Book/ReportReport

Open Access
File
city
bus
evaluation
public transport
metropolitan area

Effect of Sulphur Content on Bunker Fuels Performance in the Medium-Speed Engine

Nyyssönen, S., Kajolinna, T., Kouva, M., Karvinen, E. & Nuottimäki, J., 2019, CIMAC Technical Paper Database. 450

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsProfessional

Sulfur
Engines
Engine cylinders
Ships
Scrubbers
2 Citations (Scopus)

Emissions from a fast-pyrolysis bio-oil fired boiler: Comparison of health-related characteristics of emissions from bio-oil, fossil oil and wood

Sippula, O., Huttunen, K., Hokkinen, J., Kärki, S., Suhonen, H., Kajolinna, T., Kortelainen, M., Karhunen, T., Jalava, P., Uski, O., Yli-Pirilä, P., Hirvonen, M. R. & Jokiniemi, J., 1 Mar 2019, In : Environmental Pollution. 248, p. 888-897 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Oil fired boilers
Fuel Oils
Heavy Metals
Wood
Oils

Methane Catalyst Regeneration with Hydrogen Addition

Heikkilä, S., Sirviö, K., Niemi, S., Roslund, P., Lehtoranta, K., Pettinen, R., Vesala, H., Koponen, P., Kallinen, K., Maunula, T., Korpi, H. & Kortelainen, J., 2019, Meeting the Future of Combustion Engines: 29th CIMAC World Congress. 367

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Catalyst regeneration
Methane
Hydrogen
Exhaust gases
Catalysts

Mitigating Exposure to Volatile Compounds

Pitkänen, M., Kajolinna, T., Hinkka, V. & Pyykkö, H., 25 Sep 2019, In : Journal of Ports and Terminals - PTI. 89, Smart Digital Ports, p. 108-109 2 p.

Research output: Contribution to journalArticleProfessional

volatile compounds
freight
containers
occupational health and safety
occupational exposure
46 Downloads (Pure)

New technologies for gas combustion emissions: Final report

Lehtoranta, K., Murtonen, T., Vesala, H., Koponen, P., Piimäkorpi, P., Isotalo, M., Alanen, J., Kuittinen, N., Rönkkö, T. & Saarikoski, S., 29 Apr 2019, VTT Technical Research Centre of Finland. 40 p. (VTT Research Report; No. VTT-R-00482-19).

Research output: Book/ReportReport

Open Access
File
Propane
Natural gas
Gases
Biogas
Catalysts

Particle and Gaseous Emissions from Marine Engines Utilizing Various Fuels and Aftertreatment Systems

Lehtoranta, K., Aakko-Saksa, P., Murtonen, T., Vesala, H., Kuittinen, N., Rönkkö, T., Ntziachristos, L., Karjalainen, P., Timonen, H. & Teinilä, K., 2019, CIMAC Technical Paper Database. 13 p. 399

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsProfessional

engine
black carbon
particulate matter
biofuel
sulfur
3 Citations (Scopus)

Particulate Mass and Nonvolatile Particle Number Emissions from Marine Engines Using Low-Sulfur Fuels, Natural Gas, or Scrubbers

Lehtoranta, K., Aakko-Saksa, P., Murtonen, T., Vesala, H., Ntziachristos, L., Rönkkö, T., Karjalainen, P., Kuittinen, N. & Timonen, H., 19 Mar 2019, In : Environmental Science & Technology. 53, 6, p. 3315-3322

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Marine engines
Scrubbers
Sulfur
natural gas
Natural gas

Reduction of natural gas engine emissions using catalysts

Lehtoranta, K., Vesala, H., Murtonen, T., Alanen, J., Isotalo, M., Martikainen, S., Rönkkö, T. & Saarikoski, S., 2019.

Research output: Contribution to conferenceConference articleScientific

Gas engines
Natural gas
Catalysts
Lubricating oils
Oxidation
119 Downloads (Pure)

Ship emissions in the future - review

Aakko-Saksa, P. & Lehtoranta, K., 2019, VTT Technical Research Centre of Finland. 46 p. (VTT Research Report; No. VTT-R-00335-19).

Research output: Book/ReportReport

Open Access
File
methane
exhaust emission
methanol
ship
filter
Open Access
fluorescence
conditioning
Fourier transform
chemical method
condensate

Sprinklatun terveyskeskuksen polttokokeet

Hostikka, S., Veikkanen, E., Sikanen, T., Kajolinna, T., Hakkarainen, T., Afzalifar, A. & Kling, T., 2019, In : Pelastustieto: Palontorjuntatekniikka-erikoisnumero. p. 6-11

Research output: Contribution to journalArticleProfessional

2018

Analysis and comparison of energy efficiency of commercially available battery electric buses

Ranta, M., Pihlatie, M., Pellikka, A. P., Laurikko, J., Rahkola, P. & Anttila, J., 3 Apr 2018, 2017 IEEE Vehicle Power and Propulsion Conference, VPPC 2017 - Proceedings. Institute of Electrical and Electronic Engineers IEEE, p. 1-5 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Electric batteries
Energy Efficiency
energy consumption
Battery
Energy efficiency

Characterization of secondary particulate emissions from engine operated by natural gas and propane

Saarikoski, S., Alanen, J., Vesala, H., Murtonen, T., Isotalo, M., Martikainen, S., Bloss, M., Aurela, M., Maunula, T., Kallinen, K., Torkulla, J., Timonen, H., Rönkkö, T. & Lehtoranta, K., 2018, Proceedings of the NOSA - FAAR Symposium 2018. Clusius, P., Enroth, J. & Lauri, A. (eds.). p. 118 1 p. (Report Series in Aerosol Science; No. 208 ).

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Open Access

Chemical characterization of particles emitted from engine operated by natural gas and propane

Saarikoski, S., Alanen, J., Vesala, H., Murtonen, T., Isotalo, M., Martikainen, S., Bloss, M., Maunula, T., Aurela, M., Kallinen, K., Torkulla, J., Timonen, H., Rönkkö, T. & Lehtoranta, K., 2018, p. 7CB.11.

Research output: Contribution to conferenceConference AbstractScientific

Chemical composition of emissions measured in real time from a modern ship engine during a cruise

Bloss, M., Karjalainen, P., Kuittinen, N., Murtonen, T., Vesala, H., Rönkkö, T., Aakko-Saksa, P. & Timonen, H., 2018, Proceedings of the NOSA - FAAR Symposium 2018. Clusius, P., Enroth, J. & Lauri, A. (eds.). p. 20 1 p. (Report Series in Aerosol Science; No. 208 ).

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsProfessional

Open Access
3 Citations (Scopus)

Comparative performance of a thermal denuder and a catalytic stripper in sampling laboratory and marine exhaust aerosols

Amanatidis, S., Ntziachristos, L., Karjalainen, P., Saukko, E., Simonen, P., Kuittinen, N., Aakko-Saksa, P., Timonen, H., Rönkkö, T. & Keskinen, J., 16 Jan 2018, In : Aerosol Science and Technology. 52, 4, p. 420-432 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Aerosols
aerosol
Sampling
Evaporation
Sulfuric acid
2 Citations (Scopus)

Considerations in analysing elemental carbon from marine engine exhaust using residual, distillate and biofuels

Aakko-Saksa, P., Koponen, P., Aurela, M., Vesala, H., Piimäkorpi, P., Murtonen, T., Sippula, O., Koponen, H., Karjalainen, P., Kuittinen, N., Panteliadis, P., Rönkkö, T. & Timonen, H., 1 Dec 2018, In : Journal of Aerosol Science. 126, p. 191-204 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Marine engines
Vehicle Emissions
Exhaust systems (engine)
Biofuels
biofuel
44 Downloads (Pure)
Open Access
File
measurement method
diesel engine
carbon emission
black carbon
engine
46 Downloads (Pure)

Effect of aftertreatment on ship particulate and gaseous components at ship exhaust

Teinilä, K., Aakko-Saksa, P., Jalkanen, J-P., Karjalainen, P., Bloss, M., Laakia, J., Saarikoski, S., Vesala, H., Pettinen, R., Koponen, P., Kuittinen, N., Piimäkorpi, P. & Timonen, H., 1 Mar 2018, VTT Technical Research Centre of Finland. 28 p.

Research output: Book/ReportReport

Open Access
File
engine
black carbon
diesel
particulate matter
catalyst
Open Access
Internal combustion engines
Methanol
Engines
Inland waterways
Fuel systems

Final Report – Summary of the SUMMETH Project Activities and Results: SUMMETH - Sustainable Marine Methanol, Deliverable D6.2

Ellis, J., Ramne, B., Bomanson, J., Molander, P., Túner, M., Aakko-Saksa, P., Svanberg, M., Rydbergh, T. & Berneblad, B., 2018, 34 p.

Research output: Book/ReportReport

Open Access
Methanol
Engines
Project management
Hazards
Economics

First results from "Envisum" project: emission measurements onboard a RORO passenger ship under real operating conditions

Laakia, J., Teinilä, K., Timonen, H., Saarikoski, S., Bloss, M., Karjalainen, P., Kuittinen, N., Vesala, H., Pettinen, R., Aakko-Saksa, P. & Jalkanen, J-P., 2018, Proceedings of the NOSA - FAAR Symposium 2018. Clusius, P., Enroth, J. & Lauri, A. (eds.). p. 78 1 p. (Report Series in Aerosol Science; No. 208 ).

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsProfessional

Open Access
23 Citations (Scopus)

Liquid organic hydrogen carriers for transportation and storing of renewable energy: Review and discussion

Aakko-Saksa, P. T., Cook, C., Kiviaho, J. & Repo, T., 31 Aug 2018, In : Journal of Power Sources. 396, p. 803-823 21 p.

Research output: Contribution to journalArticleScientificpeer-review

organic liquids
renewable energy
Hydrogen
Liquids
hydrogen

Nanoparticle emissions from a gas engine: Effects of gas and lubricant oil composition

Isotalo, M., Alanen, J., Vanhanen, J., Martikainen, S., Vesala, H., Pettinen, R., Saarikoski, S., Aurela, M., Simonen, P., Kettunen, M., Väkevä, M., Timonen, H., Lehtoranta, K., Keskinen, J. & Rönkkö, T., 2018, p. 8CB.4.

Research output: Contribution to conferenceConference AbstractScientific

Open Access

Nanoparticle study on a catalytic natural gas burner

Alanen, J., Kuittinen, N., Hietikko, R., Vesala, H., Saarikoski, S., Lehtoranta, K., Keskinen, J. & Rönkkö, T., 2018.

Research output: Contribution to conferenceConference AbstractScientific

NH3 Sensor Measurements in Different Engine Applications

Murtonen, T., Vesala, H., Koponen, P., Pettinen, R., Kajolinna, T. & Antson, O., 2018, In : SAE Technical Paper Series. 2018, 2018-01-1814.

Research output: Contribution to journalArticle in a proceedings journalScientificpeer-review

Engines
Sensors
Residual fuels
Fourier transforms
Thyristors

Particle emissions from gas engine utilizing natural gas and propane as fuel

Lehtoranta, K., Vesala, H., Pettinen, R., Murtonen, T., Isotalo, M., Alanen, J., Rönkkö, T., Saarikoski, S. & Timonen, H., Jun 2018.

Research output: Contribution to conferenceConference AbstractScientific

Open Access
propane
natural gas
sulfur
emission control
liquefied natural gas

Particle Mass and Number Emissions from Marine Engines Preparing for the Upcoming Sulphur Cap Limits

Lehtoranta, K., Aakko-Saksa, P., Murtonen, T., Vesala, H., Ntziachristos, L., Karjalainen, P., Rönkkö, T., Kuittinen, N. & Alanen, J., Jun 2018, 22nd ETH-Conference on Combustion Generated Nanoparticles: Book of Abstracts.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Open Access

Primary and secondary particle emissions from dual-fuel marine engine

Aurela, M., Bloss, M., Kuittinen, N., Alanen, J., Karjalainen, P., Rönkkö, T., Keskinen, J., Ntziachristos, L., Lehtoranta, K., Nyyssönen, S., Vesala, H. & Timonen, H., 2018, Proceedings of the NOSA - FAAR Symposium 2018. Clusius, P., Enroth, J. & Lauri, A. (eds.). p. 17 1 p. (Report Series in Aerosol Science; No. 208 ).

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsProfessional

Open Access

Real Driving NOx Emissions from Euro VI Diesel Buses

Söderena, P., Nylund, N. O., Pettinen, R. & Mäkinen, R., 2018, In : SAE Technical Paper Series. 2018, 2018-01-1815.

Research output: Contribution to journalArticle in a proceedings journalScientificpeer-review

Engines
Dynamometers
Chassis
Nitrogen oxides
Thyristors
280 Downloads (Pure)

Sähkö- ja kaasuautojen markkinanäkymät Suomessa: GASELLI -väliraportti 2

Laurikko, J. & Paakkinen, M., 2018, VTT Technical Research Centre of Finland. 56 p. (Tutkimusraportti; No. VTT-R-05286-18).

Research output: Book/ReportReport

Open Access
File

Sizing Sub-10 nm Particles from Engine Emissions

Vanhanen, J., Alanen, J., Lehtoranta, K., Saarikoski, S., Väkevä, M. & Rönkkö, T., 2018, p. 7CB.20.

Research output: Contribution to conferenceConference AbstractScientific

Open Access

Solving air quality problems in cities by retrofitting: Case studies showing real-world driving performances

Söderena, P., Kinnunen, T. J., Amberla, A. & Kurikka, J., 17 Oct 2018, In : IOP Conference Series: Materials Science and Engineering. 421, 4, 042074.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Nitrogen Oxides
Retrofitting
Nitrogen oxides
Air quality
Dynamometers
2017

Älykäs ja vähähiilistä energiaa käyttävä liikenne: TransSmart-kärkiohjelman loppuraportti

Translated title of the contribution: Smart mobility integrated with low-carbon energy: Final report of TransSmart spearhead program, 2017, VTT Technical Research Centre of Finland. 66 p. (VTT Technology; No. 325).

Research output: Book/ReportReport

Open Access
Pediculus
Carbon
15 Citations (Scopus)

A new oxidation flow reactor for measuring secondary aerosol formation of rapidly changing emission sources

Simonen, P., Saukko, E., Karjalainen, P., Timonen, H., Bloss, M., Aakko-Saksa, P., Rönkkö, T., Keskinen, J. & Dal Maso, M., 2017, In : Atmospheric Measurement Techniques. 10, 4, p. 1519-1537 19 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
aerosol formation
oxidation
aerosol
emission source
reactor

Black carbon emissions from a ship engine in laboratory (SEA-EFFECTS BC WP1)

Aakko-Saksa, P., Murtonen, T., Vesala, H., Koponen, P., Timonen, H., Teinilä, K., Aurela, M., Karjalainen, P., Kuittinen, N., Puustinen, H., Piimäkorpi, P., Nyyssönen, S., Martikainen, J., Kuusisto, J., Niinistö, M., Pellikka, T., Saarikoski, S., Jokela, J., Simonen, P., Mylläri, F. & 5 others, Wihersaari, H., Rönkkö, T., Tutuianu, M., Pirjola, L. & Malinen, A., 2017, VTT Technical Research Centre of Finland. 112 p. (VTT Research Report, Vol. VTT-R-02075-17).

Research output: Book/ReportReport

Black carbon measurement validation onboard (SEAEFFECTS BC WP2)

Timonen, H., Aakko-Saksa, P., Kuittinen, N., Karjalainen, P., Murtonen, T., Lehtoranta, K., Vesala, H., Bloss, M., Saarikoski, S., Koponen, P., Piimäkorpi, P. & Rönkkö, T., 2017, VTT Technical Research Centre of Finland. 42 p. (VTT Research Report; No. VTT-R-04493-17).

Research output: Book/ReportReport

Open Access
black carbon
sulfur
sensor
filter
aerosol formation
5 Citations (Scopus)

Comparison of primary and secondary particle formation from natural gas engine exhaust and of their volatility characteristics

Alanen, J., Simonen, P., Saarikoski, S., Timonen, H., Kangasniemi, O., Saukko, E., Hillamo, R., Lehtoranta, K., Murtonen, T., Vesala, H., Keskinen, J. & Rönkkö, T., 18 Jul 2017, In : Atmospheric Chemistry and Physics. 17, 14, p. 8739-8755 17 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
natural gas
aerosol
nitrate
catalyst
engine

Controlling emissions of natural gas engines: Final report

Lehtoranta, K., Murtonen, T., Vesala, H., Koponen, P., Alanen, J., Rönkkö, T., Simonen, P., Saarikoski, S. & Timonen, H., 2017, VTT Technical Research Centre of Finland. 60 p. (VTT Research Report, Vol. VTT-R-02327-17).

Research output: Book/ReportReport

Controlling emissions of natural gas engines

Lehtoranta, K., Murtonen, T., Vesala, H., Koponen, P., Alanen, J., Kuittinen, N., Simonen, P., Rönkkö, T., Saarikoski, S., Timonen, H., Maunula, T., Kallinen, K. & Korhonen, S., 1 Jan 2017, Air and Waste Management Association's Annual Conference and Exhibition 2017: AWMA2017. Air and Waste Management Association, (Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, AWMA).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Gas engines
natural gas
Natural gas
catalyst
Catalysts
9 Citations (Scopus)

Experimental validation of electric bus powertrain model under city driving cycles

Halmeaho, T., Rahkola, P., Tammi, K., Pippuri, J., Pellikka, A-P., Manninen, A. & Ruotsalainen, S., 2017, In : IET Electrical Systems in Transportation. 7, 1, p. 74-83 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Powertrains
Electric batteries
Torque motors
Tires
Energy utilization
20 Citations (Scopus)

Influence of fuel ethanol content on primary emissions and secondary aerosol formation potential for a modern flex-fuel gasoline vehicle

Timonen, H., Karjalainen, P., Saukko, E., Saarikoski, S., Aakko-Saksa, P., Simonen, P., Murtonen, T., Dal Maso, M., Kuuluvainen, H., Bloss, M., Ahlberg, E., Svenningsson, B., Pagels, J., Brune, W. H., Keskinen, J., Worsnop, D. R., Hillamo, R. & Rönkkö, T., 24 Apr 2017, In : Atmospheric Chemistry and Physics. 17, 8, p. 5311-5329 19 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
aerosol formation
particulate matter
ethanol
aerosol
organic compound
Open Access

Nanoparticles in natural gas engine exhaust

Rönkkö, T., Alanen, J., Saarikoski, S., Karjalainen, P., Simonen, P., Lehtoranta, K., Saukko, E., Murtonen, T., Timonen, H., Teinilä, K., Kuuluvainen, H., Hillamo, R. & Keskinen, J., 2017.

Research output: Contribution to conferenceConference PosterScientificpeer-review

Open Access
5 Citations (Scopus)

Natural Gas Engine Emission Reduction by Catalysts

Lehtoranta, K., Murtonen, T., Vesala, H., Koponen, P., Alanen, J., Simonen, P., Rönkkö, T., Timonen, H., Saarikoski, S., Maunula, T., Kallinen, K. & Korhonen, S., 1 Jun 2017, In : Emission Control Science and Technology. 3, 2, p. 142-152 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Natural Gas
Gas engines
natural gas
Natural gas
catalyst

Ohjeistuksia päästömittausten laadunvarmistukseen Suomessa: SFS-EN 14181:n tulkinta ja raskasmetallien näytteenotto

Translated title of the contribution: Quality assurance guidelines for emission measurements in Finland: Implementation of SFS-EN 14181 in Finland and guidance for heavy metal samplingPellikka, T., Kajolinna, T. & Antson, O., 2017, VTT Technical Research Centre of Finland. 82 p. (VTT Technology; No. 289).

Research output: Book/ReportReport

Open Access
Valsartan
Finland
Heavy Metals
Guidelines

Particle and gaseous emissions from a dual-fuel marine engine

Lehtoranta, K., Murtonen, T., Vesala, H., Koponen, P., Karjalainen, P., Ntziachristos, L., Kuittinen, N., Alanen, J., Rönkkö, T., Keskinen, J., Aurela, M. & Timonen, H., 2017.

Research output: Contribution to conferenceConference articleScientificpeer-review