Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Kauko Janka"'
Publikováno v:
Aerosol and Air Quality Research. 16:3001-3011
High aerosol loadings contribute significantly to the air quality problems of Asian megacities. To address this, monitoring data for aerosol mass and number that is spatially and temoprally of high resolution is needed, while the cost of obtaining su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80bf63141bf8d4f992788ad1e4f87a58
https://doi.org/10.4209/aaqr.2015.09.0546
https://doi.org/10.4209/aaqr.2015.09.0546
Autor:
Sampo Saari, Risto Hillamo, Kauko Janka, Liisa Pirjola, Jarkko V. Niemi, Anssi Järvinen, Topi Rönkkö, Jorma Keskinen, Heino Kuuluvainen, M. Dal Maso
Publikováno v:
Urban Climate. 14:441-456
Urban air contains considerable amounts of harmful gaseous substances and aerosol particles. In this study, a recently introduced diffusion charger based PPS-M particle sensor (Pegasor Oy, Tampere, Finland) was evaluated for outdoor air quality measu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1bc34a83c69a03958c0b1ebf5704fbc
https://doi.org/10.1016/j.uclim.2014.10.002
https://doi.org/10.1016/j.uclim.2014.10.002
Autor:
Erkka Saukko, Niina Kuittinen, Henna Silvennoinen, Riina Hietikko, Topi Rönkkö, Panu Karjalainen, Niemi, Jarkko V., Jorma Keskinen, Kauko Janka
Publikováno v:
Saukko, E, Kuittinen, N, Silvennoinen, H, Hietikko, R, Rönkkö, T, Karjalainen, P, Niemi, J V, Keskinen, J & Janka, K 2017, ' Improved PN measurement with PPS-M using dynamic trap switching ', 7th International PEMS Conference & Workshop, PEMS 2017, Riverside, United States, 30/03/17-31/03/17 .
Tampere University
Tampere University
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::7315740dba0054a980a10895f837f1a4
https://cris.vtt.fi/en/publications/a4cbfe02-7392-4e24-b1d6-2ed068a212b2
https://cris.vtt.fi/en/publications/a4cbfe02-7392-4e24-b1d6-2ed068a212b2
Autor:
Risto Hillamo, Zissis Samaras, Topi Rönkkö, Antti Rostedt, Leonidas Ntziachristos, Jorma Keskinen, Kauko Janka, Pauli Simonen
In this article we present a design of a new miniaturized sensor with the capacity to measure exhaust particle concentrations on board vehicles and engines. The sensor is characterized by ultra-fast response time, high sensitivity, and a wide dynamic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a42a75fb912b938efd770edb16300710
https://trepo.tuni.fi/handle/10024/126126
https://trepo.tuni.fi/handle/10024/126126
Publikováno v:
Aerosol Science and Technology. 48:1022-1030
The Pegasor PPS-M sensor is an electrical aerosol sensor based on diffusion charging and current measurement without particle collection. In this study, the role and effect of each component in the instrument is discussed shortly and the results from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f1f926fe4587af2524f70f5dbdecb8e
https://doi.org/10.1080/02786826.2014.951023
https://doi.org/10.1080/02786826.2014.951023
Autor:
Jaakko Yli-Ojanperä, Antti Rostedt, Ari Ukkonen, Kauko Janka, Marko Marjamäki, Ville Niemelä, Jorma Keskinen
Publikováno v:
Aerosol and Air Quality Research. 9:470-477
A novel particle emission sensor based on particle charging and electrical detection is presented. The sensor charges the particles and measures the current carried by the particles exiting the sensor. The measurement is carried out without collectin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2b19836781d98900e345e9131b2bae1
https://doi.org/10.4209/aaqr.2009.03.0023
https://doi.org/10.4209/aaqr.2009.03.0023
Autor:
Juha Tikkanen, Stavros Amanatidis, Zissis Samaras, Chariton Kouridis, Leonidas Ntziachristos, Kauko Janka
Publikováno v:
SAE Technical Paper Series.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::366c98f68591d6f229b562b3447809e3
https://doi.org/10.4271/2014-01-1601
https://doi.org/10.4271/2014-01-1601
Autor:
Kauko Janka, Esa Vakkilainen, Jouni Pyykönen, Minna Aurela, Esko I. Kauppinen, Pirita Mikkanen, Jorma Jokiniemi
Publikováno v:
Mikkanen, P, Kauppinen, E I, Pyykönen, J, Jokiniemi, J, Aurela, M, Vakkilainen, E & Janka, K 1999, ' Alkali salt ash formation in four Finnish industrial recovery boilers ', Energy & Fuels, vol. 13, no. 4, pp. 778-795 . https://doi.org/10.1021/ef980189o
Combustion aerosol measurement methods were introduced and applied for extensive ash formation studies at four operating recovery boilers in Finland. Ash particle mass size distributions determined with a Berner-type low-pressure impactor downstream
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b387738799424f56655072e3a061d2f
https://doi.org/10.1021/ef980189o
https://doi.org/10.1021/ef980189o
Publikováno v:
SAE Technical Paper Series.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b64f0a9ff19fdccfc552b5e11bc004d0
https://doi.org/10.4271/2013-24-0167
https://doi.org/10.4271/2013-24-0167