Response Characterization of an Inexpensive Aerosol Sensor

Autor: Joel Kuula, Timo Mäkelä, Risto Hillamo, Hilkka Timonen

Publikováno v: Sensors, Vol 17, Iss 12, p 2915 (2017)

Inexpensive aerosol sensors have been considered as a complementary option to address the issue of expensive but low spatial coverage air quality monitoring networks. However, the accuracy and response characteristics of these sensors is poorly docum

Externí odkaz: https://doaj.org/article/5d6617ca52e14cae90bfb4179b07c126

Distinguishing fuel and lubricating oil combustion products in diesel engine exhaust particles

Autor: Francesco Canonaco, Matti Happonen, Topi Rönkkö, Heikki Korpi, Antti Rostedt, André S. H. Prévôt, Paulo Artaxo, S. Carbone, Jyrki Ristimäki, Sanna Saarikoski, Risto Hillamo, Jorma Keskinen, Douglas R. Worsnop, Manjula R. Canagaratna, Hilkka Timonen

Publikováno v: Aerosol Science and Technology. 53:594-607

The main sources of particulate emissions from engines are fuel and lubricating oil. In this study, particles emitted by a medium speed diesel engine for locomotive use were characterized chemicall...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::da609f06908f5866e1cb6c4e819406b1
https://doi.org/10.1080/02786826.2019.1584389

Shipping Remains a Globally Significant Source of Anthropogenic PN Emissions Even after 2020 Sulfur Regulation

Autor: Risto Hillamo, Jenni Alanen, Eija Asmi, Erkka Saukko, Panu Karjalainen, Mia Isotalo, Hanna Hannuniemi, Leonidas Ntziachristos, Jukka-Pekka Jalkanen, Jorma Keskinen, Lasse Johansson, Heikki Lihavainen, Päivi Aakko-Saksa, Pauli Simonen, Topi Rönkkö, Sanna Saarikoski, Niina Kuittinen, Fanni Mylläri, Tuomas Laurila, Kati Lehtoranta, Hilkka Timonen

Publikováno v: Kuittinen, N, Jalkanen, J-P, Alanen, J, Ntziachristos, L, Hannuniemi, H, Johansson, L, Karjalainen, P, Saukko, E, Isotalo, M, Aakko-Saksa, P, Lehtoranta, K, Keskinen, J, Simonen, P, Saarikoski, S, Asmi, E, Laurila, T, Hillamo, R, Mylläri, F, Lihavainen, H, Timonen, H & Rönkkö, T 2021, ' Shipping Remains a Globally Significant Source of Anthropogenic PN Emissions Even after 2020 Sulfur Regulation ', Environmental Science & Technology, vol. 55, no. 1, pp. 129–138 . https://doi.org/10.1021/acs.est.0c03627

Shipping is the main source of anthropogenic particle emissions in large areas of the globe, influencing climate, air quality, and human health in open seas and coast lines. Here, we determined, by laboratory and on-board measurements of ship engine

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e7125ad02d513952971744ab3de73241
https://pubmed.ncbi.nlm.nih.gov/33290058

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

Autor: Kati Lehtoranta, Oskari Kangasniemi, Jenni Alanen, Hilkka Timonen, Erkka Saukko, Topi Rönkkö, Hannu Vesala, Sanna Saarikoski, Pauli Simonen, Timo Murtonen, Risto Hillamo, Jorma Keskinen

Publikováno v: Atmospheric Chemistry and Physics, Vol 17, Pp 8739-8755 (2017)
Alanen, J, Simonen, P, Saarikoski, S, Timonen, H, Kangasniemi, O, Saukko, E, Hillamo, R, Lehtoranta, K, Murtonen, T, Vesala, H, Keskinen, J & Rönkkö, T 2017, ' Comparison of primary and secondary particle formation from natural gas engine exhaust and of their volatility characteristics ', Atmospheric Chemistry and Physics, vol. 17, no. 14, pp. 8739-8755 . https://doi.org/10.5194/acp-17-8739-2017

Natural gas usage in traffic and energy production sector is a growing trend worldwide, thus an assessment of its effects on air quality, human health and climate is required. Engine exhaust is a source of primary particulate emissions and secondary

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::213403e9079caa2d505534e152c05fd9
https://www.atmos-chem-phys.net/17/8739/2017/acp-17-8739-2017.pdf

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

Autor: Pauli Simonen, Risto Hillamo, Heino Kuuluvainen, Panu Karjalainen, Erkka Saukko, Sanna Saarikoski, Topi Rönkkö, Matthew Bloss, Birgitta Svenningsson, Päivi Aakko-Saksa, Joakim Pagels, Jorma Keskinen, Douglas R. Worsnop, Erik Ahlberg, Miikka Dal Maso, William H. Brune, Hilkka Timonen, Timo Murtonen

Publikováno v: Atmospheric Chemistry and Physics, Vol 17, Iss 8, Pp 5311-5329 (2017)
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 2017, ' Influence of fuel ethanol content on primary emissions and secondary aerosol formation potential for a modern flex-fuel gasoline vehicle ', Atmospheric Chemistry and Physics, vol. 17, no. 8, pp. 5311-5329 . https://doi.org/10.5194/acp-17-5311-2017

The effect of fuel ethanol content (10, 85 and 100 %) on primary emissions and on subsequent secondary aerosol formation was investigated for a Euro 5 flex-fuel gasoline vehicle. Emissions were characterized during a New European Driving Cycle (NEDC)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94f884b45aaaa4b3ab7dbaf87c77ae23
https://doi.org/10.5194/acp-17-5311-2017