Research Output 1980 2019

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2019
3 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

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
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
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
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
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

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
16 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
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
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
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
2016

Fuel flexibility of future combustion engine power plants

Aakko-Saksa, P., Nyyssönen, S., Kajolinna, T., Turunen, R., Sundell, J-P., Pirvola, L., Niskanen, T., Hjon, P., Niemi, S. & Sarjovaara, T., 2016, In : Fuels & Lubes International. 22, 4, p. 50-54

Research output: Contribution to journalArticleScientificpeer-review

Open Access
13 Citations (Scopus)

Heavy duty diesel exhaust particles during engine motoring formed by lube oil consumption

Karjalainen, P., Ntziachristos, L., Murtonen, T., Wihersaari, H., Simonen, P., Mylläri, F., Nylund, N-O., Keskinen, J. & Rönkkö, T., 2016, In : Environmental Science & Technology. 50, 22, p. 12504-12511

Research output: Contribution to journalArticleScientificpeer-review

Vehicle Emissions
diesel
engine
Oils
Engines
15 Citations (Scopus)

Particle emissions characterization from a medium-speed marine diesel engine with two fuels at different sampling conditions

Ntziachristos, L., Saukko, E., Lehtoranta, K., Rönkkö, T., Timonen, H., Simonen, P., Karjalainen, P. & Keskinen, J., 2016, In : Fuel. 186, p. 456-465

Research output: Contribution to journalArticleScientificpeer-review

Marine engines
Dilution
Fuel Oils
Diesel engines
Residual fuels
35 Citations (Scopus)

Time-resolved characterization of primary particle emissions and secondary particle formation from a modern gasoline passenger car

Karjalainen, P., Timonen, H., Saukko, E., Kuuluvainen, H., Saarikoski, S., Aakko-Saksa, P., Murtonen, T., Bloss, M., Dal Maso, M., Simonen, P., Ahlberg, E., Svenningsson, B., Brune, W. H., Hillamo, R., Keskinen, J. & Rönkkö, T., 2016, In : Atmospheric Chemistry and Physics. 16, 13, p. 8559-8570

Research output: Contribution to journalArticleScientificpeer-review

Open Access
automobile
engine
exhaust emission
particle
traffic emission

Uutta tietoa konttien riskeistä: Kemikaalit ja tuotteista lähtevät kaasut voivat aiheuttaa vaaratilanteita työntekijöille

Kajolinna, T., Pitkänen, M. & Suominen, A. E., 2016, In : Osto ja logistiikka. 2016, 3, p. 50-51

Research output: Contribution to journalArticleProfessional

2015
9 Citations (Scopus)

Experimental study on charge air heat utilization of large-scale reciprocating engines by means of Organic Rankine Cycle

Uusitalo, A., Honkatukia, J., Backman, J. & Nyyssönen, S., 2015, In : Applied Thermal Engineering. 89, p. 209-219

Research output: Contribution to journalArticleScientificpeer-review

Rankine cycle
Engines
Air
Turbogenerators
Evaporators
18 Citations (Scopus)

Selective catalytic reduction operation with heavy fuel oil: NOx, NH3, and particle emissions

Lehtoranta, K., Vesala, H., Koponen, P. & Korhonen, S., 2015, In : Environmental Science & Technology. 49, 7, p. 4735-4741

Research output: Contribution to journalArticleScientificpeer-review

Fuel Oils
Residual fuels
Selective catalytic reduction
Sulfur
Ships
44 Citations (Scopus)

The formation and physical properties of the particle emissions from a natural gas engine

Alanen, J., Saukko, E., Lehtoranta, K., Murtonen, T., Timonen, H., Hillamo, R., Karjalainen, P., Kuuluvainen, H., Harra, J., Keskinen, J. & Rönkkö, T., 2015, In : Fuel. 162, p. 155-161

Research output: Contribution to journalArticleScientificpeer-review

Gas engines
Natural gas
Physical properties
Electric charge
Engines
2014

Case study on odour measurements in India

Singh, A., Kajolinna, T., Sharma, M., Pellikka, T., Pathak, A. & Kamyotra, JS., 2014, In : Chemical Engineering Transactions. 40, p. 91-96

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Odors
Hazardous Waste
Waste disposal
Drug products
5 Citations (Scopus)

Comparison of diesel and natural gas bus performance

Nylund, N-O., Karvonen, V., Kuutti, H. & Laurikko, J., 2014, In : SAE Technical Paper Series. 2014-01-2432, 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Natural gas
Gas emissions
Greenhouse gases
Gas engines
Engines

Crude Tall Oil-Based Renewable Diesel in Passenger Car Field Test

Laurikko, J. K., Nylund, N. O., Aakko-Saksa, P., Mannonen, S., Vauhkonen, V. & Roslund, P., 1 Jan 2014, In : SAE Technical Paper Series. 2014-01-2774.

Research output: Contribution to journalArticleScientificpeer-review

Tall oil
Passenger cars
Diesel fuels
Fossil fuels
Fuel consumption
11 Citations (Scopus)

Ethanol, isobutanol, and biohydrocarbons as gasoline components in relation to gaseous emissions and particulate matter

Aakko-Saksa, P. T., Rantanen-Kolehmainen, L. & Skyttä, E., 2 Sep 2014, In : Environmental Science & Technology. 48, 17, p. 10489-10496 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Particulate Matter
Gas emissions
Gasoline
particulate matter
automobile
5 Citations (Scopus)

Fibre Optic Sensors for Long-Term Monitoring of Oil Film Pressure in Diesel Engine Main Bearing

Kapulainen, M., Ronkainen, H., Hokkanen, A., Stuns, I., Varjus, S., Nyyssönen, S., Turunen, R. & Halme, J., 2014, In : Tribology Letters. 56, 1, p. 47-54 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Bearings (structural)
diesel engines
Fiber optic sensors
Diesel engines
fiber optics
122 Citations (Scopus)

Global energy consumption due to friction in trucks and buses

Holmberg, K., Andersson, P., Nylund, N-O., Mäkelä, K. & Erdemir, A., 2014, In : Tribology International. 78, p. 94-114 10 p.

Research output: Contribution to journalArticleScientificpeer-review

energy consumption
trucks
Trucks
vehicles
friction
5 Citations (Scopus)

Heavy duty off-road diesel engine low load particle number emissions and particle control

Lähde, T., Virtanen, A., Happonen, M., Söderström, C., Kytö, M. & Keskinen, J., 2014, In : Journal of the Air and Waste Management Association. 64, 10, p. 1186-1194

Research output: Contribution to journalArticleScientificpeer-review

Open Access
diesel engine
road
nucleation
engine
soot
2013
27 Citations (Scopus)

Diesel exhaust emissions and particle hygroscopicity with HVO fuel-oxygenate blend

Happonen, M., Heikkilä, J., Aakko-Saksa, P., Murtonen, T., Lehto, K., Rostedt, A., Sarjovaara, T., Larmi, M., Keskinen, J. & Virtanen, A., 1 Jan 2013, In : Fuel. 103, p. 380-386 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Vehicle Emissions
Plant Oils
Vegetable oils
Fuel oils
Oxygen
6 Citations (Scopus)

Experimental study of an SOFC stack operated with autothermally reformed diesel fuel

Rautanen, M., Halinen, M., Noponen, M., Koskela, K., Vesala, H. & Kiviaho, J., 2013, In : Fuel Cells. 13, 2, p. 304-308 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Diesel fuels
Solid oxide fuel cells (SOFC)
Sulfur
Degradation
Particulate emissions

High-volume ethanol fuel composition optimized for cold driving conditions

Laurikko, J., Nylund, N. O. & Aakko-Saksa, P., 19 Dec 2013, In : SAE Technical Paper Series. 2013-01-2613

Research output: Contribution to journalArticleScientificpeer-review

Ethanol fuels
Chemical analysis
Ethanol
Hydrocarbons
Temperature
34 Citations (Scopus)

The fate of chlorine, sulfur, and potassium during co-combustion of bark, sludge, and solid recovered fuel in an industrial scale BFB boiler

Vainio, E., Yrjas, P., Zevenhoven, M., Brink, A., Laurén, T., Hupa, M., Kajolinna, T. & Vesala, H., 2013, In : Fuel Processing Technology. 105, p. 59-68 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Chlorine
Sulfur
Fluidized beds
Boilers
Potassium
2012

Bensiiniautojen sääntelemättömät pakokaasupäästöt

Aakko-Saksa, P., Koponen, P., Rantanen-Kolehmainen, L. & Skyttä, E., 2012, In : Ilmansuojelu. 4, p. 10-14 4 p.

Research output: Contribution to journalArticleProfessional

1 Citation (Scopus)

Emission control test bench for SCR testing

Lehtoranta, K., Vesala, H., Kåll, L., Turunen, R., Nyyssönen, S., Soikkeli, N. & Esselström, L., 2012, In : SAE Technical Paper Series.

Research output: Contribution to journalArticleScientificpeer-review

Selective catalytic reduction
Emission control
Testing
Ammonia
Catalysts
7 Citations (Scopus)

Emission reduction potential with paraffinic renewable diesel by optimizing engine settings or using oxygenate

Murtonen, T., Aakko-Saksa, P., Koponen, P., Lehto, K., Sarjovaara, T., Happonen, M. & Heikkilä, J., 1 Dec 2012, In : SAE Technical Paper Series. 2012-01-1590

Research output: Contribution to journalArticleScientificpeer-review

Vegetable oils
Engines
Exhaust gas recirculation
Antiknock rating
Sulfur compounds
18 Citations (Scopus)

Fate of fuel nitrogen in the furnace of an industrial bubbling fluidized bed boiler during combustion of biomass fuel mixtures

Vainio, E., Brink, A., Hupa, M., Vesala, H. & Kajolinna, T., 2012, In : Energy & Fuels. 26, 1, p. 94-101 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Fluidized beds
Boilers
Biomass
Furnaces
Nitrogen
3 Citations (Scopus)
Energy efficiency
Wheels
Fuel consumption
Dynamometers
Engines

Multichannel optical sensor for oil film pressure measurement in engine main bearing

Ronkainen, H., Hokkanen, A., Kapulainen, M., Stuns, I., Varjus, S., Turunen, R., Nyyssönen, S. & Halme, J., 2012, In : Tribologia. 31, 3 - 4, p. 20-26 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Bearings (structural)
Optical sensors
optical measuring instruments
pressure measurement
Pressure measurement
27 Citations (Scopus)

Reductions in particulate and NOx emissions by diesel engine parameter adjustments with HVO fuel

Happonen, M., Heikkilä, J., Murtonen, T., Lehto, K., Sarjovaara, T., Larmi, M., Keskinen, J. & Virtanen, A., 2012, In : Environmental Science & Technology. 46, 11, p. 6198-6204 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Plant Oils
vegetable oil
diesel engine
Fuel oils
Diesel engines
11 Citations (Scopus)

Study of Miller timing on exhaust emissions of a hydrotreated vegetable oil (HVO)-fueled diesel engine

Heikkilä, J., Happonen, M., Murtonen, T., Lehto, K., Sarjovaara, T., Larmi, M., Keskinen, J. & Virtanen, A., 2012, In : Journal of the Air and Waste Management Association. 62, 11, p. 1305-1312 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
exhaust emission
vegetable oil
diesel engine
aldehyde
nitrogen oxides
31 Citations (Scopus)

Toxicological properties of emission particles from heavy duty engines powered by conventional and bio-based diesel fuels and compressed natural gas

Jalava, P. I., Aakko-Saksa, P., Murtonen, T., Happo, M. S., Markkanen, A., Yli-Pirilä, P., Hakulinen, P., Hillamo, R., Mäki-Paakkanen, J., Salonen, R. O., Jokiniemi, J. & Hirvonen, M. R., 29 Sep 2012, In : Particle and Fibre Toxicology. 9, 14 p., 37.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Natural Gas
Compressed natural gas
Gasoline
Plant Oils
Diesel fuels

Uutta biosisältöä bensiiniin

Aakko-Saksa, P., 2012, In : Motiva Xpress. 2, p. 22-23 2 p.

Research output: Contribution to journalArticleProfessional

2011

Biogasoline options: Possibilities for achieving high bio-share and compatibility with conventional cars

Aakko-Saksa, P., Rantanen-Kolehmainen, L., Koponen, P., Engman, A. & Kihlman, J., 2011, In : SAE International Journal of Fuels and Lubricants. 4, 2, p. 298-317 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Gasoline
Railroad cars
Oxygen
Oils and fats
Butenes

Biogasoline options: Possibilities for achieving high bio-share and compatibility with conventional cars

Aakko-Saksa, P., Koponen, P., Kihlman, J., Rantanen-Kolehmainen, L. & Engman, A., 2011, In : SAE Technical Paper Series. 20 p.

Research output: Contribution to journalArticleScientificpeer-review

Gasoline
Railroad cars
Oxygen
Oils and fats
Butenes
6 Citations (Scopus)

Biogasoline Options - Possibilities for Achieving High Bio-share and Compatibility with Conventional Cars

Aakko-Saksa, P., Rantanen-Kolehmainen, L., Koponen, P., Engman, A. & Kihlman, J., 1 Dec 2011, In : SAE International Journal of Fuels and Lubricants. 4, 2, p. 298-317 20 p.

Research output: Contribution to journalArticleScientificpeer-review

Gasoline
Railroad cars
Oxygen
Oils and fats
Butenes
13 Citations (Scopus)

Bus fleet operation on renewable paraffinic diesel fuel

Mäkinen, R., Nylund, N-O., Erkkilä, K., Saikkonen, P. & Amberla, A., 2011, In : SAE Technical Paper Series. 2011-01-1965

Research output: Contribution to journalArticleScientificpeer-review

Bus transportation
Diesel fuels
Vegetable oils
Emission control
35 Citations (Scopus)

Effect of fuel injection pressure on a heavy-duty diesel engine nonvolatile particle emission

Lähde, T., Rönkkö, T., Happonen, M., Söderström, C., Virtanen, A., Solla, A., Kytö, M., Rohde, D. & Keskinen, J., 2011, In : Environmental Science & Technology. 45, 6, p. 2504-2509 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Soot
Fuel injection
diesel engine
Diesel engines
soot
27 Citations (Scopus)

Emission performance of paraffinic HVO diesel fuel in heavy duty vehicles

Erkkilä, K., Nylund, N-O., Hulkkonen, T., Tilli, A., Mikkonen, S., Saikkonen, P., Mäkinen, R. & Amberla, A., 2011, In : SAE Technical Paper Series. 2011-01-1966

Research output: Contribution to journalArticleScientificpeer-review

Vegetable oils
Fuel oils
Diesel fuels
Engines
Fuel injection
2010
46 Citations (Scopus)

Dependence between nonvolatile nucleation mode particle and soot number concentrations in an EGR equipped heavy-duty diesel engine exhaust

Lähde, T., Rönkkö, T., Virtanen, A., Solla, A., Kytö, M., Söderström, C. & Keskinen, J., 2010, In : Environmental Science & Technology. 44, 8, p. 3175-3180

Research output: Contribution to journalArticleScientificpeer-review

Soot
Vehicle Emissions
diesel engine
soot
nucleation