Search Results - "Olin, Miska"

Challenges and solutions in determining dilution ratios and emission factors from chase measurements of passenger vehicles by Leinonen, Ville, Olin, Miska, Martikainen, Sampsa, Karjalainen, Panu, Mikkonen, Santtu

“…Vehicle chase measurements used for studying real-world emissions apply various methods for calculating emission factors. Currently available methods are…”
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Traffic-originated nanocluster emission exceeds H2SO4-driven photochemical new particle formation in an urban area by Miska Olin, Kuuluvainen, Heino, Aurela, Minna, Kalliokoski, Joni, Kuittinen, Niina, Isotalo, Mia, Timonen, Hilkka J, Niemi, Jarkko V, Rönkkö, Topi, Miikka Dal Maso

“…Elevated ambient concentrations of sub-3 nm particles (nanocluster aerosol, NCA) are generally related to atmospheric new particle formation events, usually…”
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Contribution of traffic-originated nanoparticle emissions to regional and local aerosol levels by Olin, Miska, Patoulias, David, Kuuluvainen, Heino, Niemi, Jarkko V, Rönkkö, Topi, Pandis, Spyros N, Riipinen, Ilona, Dal Maso, Miikka

“…Sub-50 nm particles originating from traffic emissions pose risks to human health due to their high lung deposition efficiency and potentially harmful chemical…”
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Measurement report: Atmospheric new particle formation in a coastal agricultural site explained with binPMF analysis of nitrate CI-APi-TOF spectra by Olin, Miska, Okuljar, Magdalena, Rissanen, Matti P, Kalliokoski, Joni, Shen, Jiali, Dada, Lubna, Lampimäki, Markus, Wu, Yusheng, Lohila, Annalea, Duplissy, Jonathan, Sipilä, Mikko, Petäjä, Tuukka, Kulmala, Markku, Dal Maso, Miikka

“…The occurrence of new particle formation (NPF) events detected in a coastal agricultural site, at Qvidja, in Southwestern Finland, was investigated using the…”
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Nonvolatile ultrafine particles observed to form trimodal size distributions in non-road diesel engine exhaust by Kuuluvainen, Heino, Karjalainen, Panu, Saukko, Erkka, Ovaska, Teemu, Sirviö, Katriina, Honkanen, Mari, Olin, Miska, Niemi, Seppo, Keskinen, Jorma, Rönkkö, Topi

“…Some recent findings regarding the negative health effects of particulate matter increase the relevance of the detailed characteristics of particulate…”
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Measurement report: The influence of traffic and new particle formation on the size distribution of 1–800 nm particles in Helsinki – a street canyon and an urban background station comparison by Okuljar, Magdalena, Kuuluvainen, Heino, Kontkanen, Jenni, Garmash, Olga, Olin, Miska, Niemi, Jarkko V, Timonen, Hilkka, Kangasluoma, Juha, Tham, Yee Jun, Baalbaki, Rima, Sipilä, Mikko, Salo, Laura, Lintusaari, Henna, Portin, Harri, Teinilä, Kimmo, Aurela, Minna, Dal Maso, Miikka, Rönkkö, Topi, Petäjä, Tuukka, Paasonen, Pauli

“…Most of the anthropogenic air pollution sources are located in urban environments. The contribution of these sources to the population of atmospheric particles…”
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Influence of anthropogenic emissions on the composition of highly oxygenated organic molecules in Helsinki: a street canyon and urban background station comparison by Okuljar, Magdalena, Garmash, Olga, Olin, Miska, Kalliokoski, Joni, Timonen, Hilkka, Niemi, Jarkko V, Paasonen, Pauli, Kontkanen, Jenni, Zhang, Yanjun, Hellén, Heidi, Kuuluvainen, Heino, Aurela, Minna, Manninen, Hanna E, Sipilä, Mikko, Rönkkö, Topi, Petäjä, Tuukka, Kulmala, Markku, Dal Maso, Miikka, Ehn, Mikael

“…Condensable vapors, including highly oxygenated organic molecules (HOMs), govern secondary organic aerosol formation and thereby impact the quantity,…”
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Inversely modeling homogeneous H2SO4 − H2O nucleation rate in exhaust-related conditions by Miska Olin, Alanen, Jenni, Palmroth, Marja R T, Rönkkö, Topi, Miikka Dal Maso

“…The homogeneous sulfuric acid–water nucleation rate in conditions related to vehicle exhaust was measured and modeled. The measurements were performed by…”
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Using a combined power law and log-normal distribution model to simulate particle formation and growth in a mobile aerosol chamber by Olin, Miska, Anttila, Tatu, Dal Maso, Miikka

“…We present the combined power law and log-normal distribution (PL+LN) model, a computationally efficient model to be used in simulations where the particle…”
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Fuel-Operated Auxiliary Heaters Are a Major Additional Source of Vehicular Particulate Emissions in Cold Regions by Karjalainen, Panu, Nikka, Markus, Olin, Miska, Martikainen, Sampsa, Rostedt, Antti, Arffman, Anssi, Mikkonen, Santtu

“…Fuel-operated auxiliary heaters (AHs) can be notable sources of particle emissions from vehicles. The emissions of AHs are unregulated, and the number of…”
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Particle number, mass, and black carbon emissions from fuel-operated auxiliary heaters in real vehicle use by Oikarinen, Henri, Olin, Miska, Martikainen, Sampsa, Leinonen, Ville, Mikkonen, Santtu, Karjalainen, Panu

“…Fuel-operated auxiliary heaters (AHs) are frequent solutions to heat the vehicle engines and cabins in cold areas. Particulate exhaust emissions of AHs are…”
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Dataset of vehicle chase measurements in real-world subfreezing winter conditions by Leinonen, Ville, Olin, Miska, Martikainen, Sampsa, Mäkinen, Ukko-Ville, Mikkonen, Santtu, Karjalainen, Panu

“…This dataset comprises thorough measurements of light-duty vehicles emissions conducted in Siilinjärvi and Kuopio, Finland, during February 2021, using a…”
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Detection of gaseous species during KCl‐induced high‐temperature corrosion by the means of CPFAAS and CI‐APi‐TOF by Lehmusto, Juho, Olin, Miska, Viljanen, Jan, Kalliokoski, Joni, Mylläri, Fanni, Toivonen, Juha, Dal Maso, Miikka, Hupa, Leena

“…Two different analytical approaches—collinear photofragmentation and atomic absorption spectroscopy (CPFAAS) and chemical ionization atmospheric pressure…”
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Chemical and physical characterization of oil shale combustion emissions in Estonia by Aurela, Minna, Mylläri, Fanni, Konist, Alar, Saarikoski, Sanna, Olin, Miska, Simonen, Pauli, Bloss, Matthew, Nešumajev, Dmitri, Salo, Laura, Maasikmets, Marek, Sipilä, Mikko, Maso, Miikka Dal, Keskinen, Jorma, Timonen, Hilkka, Rönkkö, Topi

“…In this study, oil shale combustion emission measurements were conducted in a 60 kWth Circulating Fluidized Bed combustion test facility located in a…”
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CFD modeling the diffusional losses of nanocluster-sized particles and condensing vapors in 90° bends of circular tubes by Olin, Miska, Dal Maso, Miikka

“…Particle and vapor measurements typically include sampling tubing causing sampling losses therein. Correcting measured concentrations from the sampling losses…”
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High Particle Number Emissions Determined with Robust Regression Plume Analysis (RRPA) from Hundreds of Vehicle Chases by Olin, Miska, Oikarinen, Henri, Marjanen, Petteri, Mikkonen, Santtu, Karjalainen, Panu

“…Particle number emission factors were determined for hundreds of individual diesel and gasoline vehicles in their real operation on Finnish highways and…”
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Traffic is a major source of atmospheric nanocluster aerosol by Rönkkö, Topi, Kuuluvainen, Heino, Karjalainen, Panu, Keskinen, Jorma, Hillamo, Risto, Niemi, Jarkko V., Pirjola, Liisa, Timonen, Hilkka J., Saarikoski, Sanna, Saukko, Erkka, Järvinen, Anssi, Silvennoinen, Henna, Rostedt, Antti, Olin, Miska, Yli-Ojanperä, Jaakko, Nousiainen, Pekka, Kousa, Anu, Maso, Miikka Dal

“…In densely populated areas, traffic is a significant source of atmospheric aerosol particles. Owing to their small size and complicated chemical and physical…”
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Engine preheating under real-world subfreezing conditions provides less than expected benefits to vehicle fuel economy and emission reduction for light-duty vehicles by Olin, Miska, Leinonen, Ville, Martikainen, Sampsa, Mäkinen, Ukko-Ville, Oikarinen, Henri, Mikkonen, Santtu, Karjalainen, Panu

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Inversely modeling homogeneous H 2 SO 4  − H 2 O nucleation rate in exhaust-related conditions by Olin, Miska, Alanen, Jenni, Palmroth, Marja R. T., Rönkkö, Topi, Dal Maso, Miikka

“…The homogeneous sulfuric acid–water nucleation rate in conditions related to vehicle exhaust was measured and modeled. The measurements were performed by…”
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Inversely modeling homogeneous H.sub.2SO.sub.4 - H.sub.2O nucleation rate in exhaust-related conditions by Olin, Miska, Alanen, Jenni, Palmroth, Marja R. T, Rönkkö, Topi, Dal Maso, Miikka

“…The homogeneous sulfuric acid-water nucleation rate in conditions related to vehicle exhaust was measured and modeled. The measurements were performed by…”
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