Katrianne Lehtipalo

Design and performance of a FLOw TUbe System, FLOTUS, for the CERN CLOUD chamber

Abstract. The primary functions of the FLOw TUbe System (FLOTUS) are to provide the CERN CLOUD chamber with a source of a) pre-aged organic vapours and particles, and b) cloud condensation nuclei (CCN) of any chosen chemical composition and diameter. The quartz flow tube has 20 c...

From direct emission factors to inverse and indirect impact factors of road traffic: influence of emerging and unregulated pollutants

Abstract. Even though emissions regulations have successfully reduced concentrations of some road traffic-originated air pollutants, road traffic is still an important source of many unregulated emerging pollutants such as semi-volatile ultrafine particles, non-exhaust emissions...