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Particle activation probability in n-butanol based condensation particle counters

Lazaridis Michalis, Drossinos ,Y , Giechaskiel,B

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URIhttp://purl.tuc.gr/dl/dias/3AF4815D-19C5-4334-9534-40689467FC60-
Languageen-
TitleParticle activation probability in n-butanol based condensation particle countersen
CreatorLazaridis Michalisen
CreatorΛαζαριδης Μιχαληςel
CreatorDrossinos ,Y en
CreatorGiechaskiel,B en
Content SummaryThe effect of chemical composition of aerosol particles on the counting efficiency of a TSI 3790 condensation particle counter (CPC) was theoretically and experimentally investigated. The activation probability was determined from thermodynamic theories (Kelvin, Köhler) and a kinetic theory (heterogeneous nucleation). The saturation ratio of n-butanol, the CPC working fluid, and particle losses were numerically obtained from the infinite series solution of the Graetz problem. Experimental measurements of counting efficiencies of diesel soot, emery oil, and Combustion Aerosol Standard soot particles were in reasonable agreement with heterogeneous nucleation theory predictions (contact angle ¿~10-12°), whereas the experimental counting efficiency of tetracontane (C40) particles fell in between predictions of Köhler theory (completely soluble particle in n-butanol) and ¿=0° heterogeneous nucleation. The Kelvin equation did not provide a reasonable approximation to the calculation of particle activation in the n-butanol CPC.en
Type of ItemΠλήρης Δημοσίευση σε Συνέδριοel
Type of ItemConference Full Paperen
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2015-11-13-
Date of Publication2009-
SubjectAir--Pollution--Controlen
SubjectAir contaminantsen
SubjectAir pollutantsen
SubjectAir pollutionen
SubjectAir pollution controlen
SubjectAir toxicsen
SubjectAirborne pollutantsen
SubjectAtmosphere--Pollutionen
SubjectContaminants, Airen
SubjectControl of air pollutionen
SubjectPollutants, Airen
SubjectToxics, Airen
Subjectair pollutionen
Subjectair pollution controlen
Subjectair contaminantsen
Subjectair pollutantsen
Subjectair toxicsen
Subjectairborne pollutantsen
Subjectatmosphere pollutionen
Subjectcontaminants airen
Subjectcontrol of air pollutionen
Subjectpollutants airen
Subjecttoxics airen
Bibliographic CitationB. Giechaskiel, M. Lazaridis , Y. Drossinos,"Particle activation probability in n-butanol based condensation particle counters,"in 8th International Conference on Nucleation and Atmospheric Aerosols,2009.en

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