230.548 People
Rönkkö, Topi
in Cooperation with on an Cooperation-Score of 37%
Topics
- data
- highway traffic
- highway transportation
- climate
- surveillance
- contaminant
- simulation
- modeling
- street
- canyon
- health
- particulate
- urban area
- cloud
- human being
- submarine
- aerosol
- modernization
- chemical
- chemical composition
- air quality
- lung
- gas
- traffic
- nucleation
- diameter
- air pollution source
- exhaust gas
- ship
- island
- fuel oil
- sea
- ocean
- plume
- sulfur
- air quality management
- shipping
- distillate
- residual oil
- ultraviolet light
- drone
- driving
- sensor
- fee
- vortex
- unmanned aircraft system
- city planning
- engine
- liquid
- natural gas
- liquid fuel
- physical property
- automobile
- vehicle occupant
- passenger
- passenger car
- laboratory
- transient
- road
- morning
- environmental science
- highway
- profit
- dilution
- condensation
- roadside
- coagulation
- urban transportation
- combustion
- biomass
- atmosphere
- brake
- plant
- cooling
- clothing
- photochemistry
- electric power generation
- high temperature
- nanotechnology
- meteorology
- city
- weight
- carbon
- hydrocarbon
- accounting
- tar
- metropolitan area
- electron
- winter
- sulfate
- central business district
- salt
- smoke
- wood
- local transportation
- microscopy
- electron microscopy
- vehicle fleet
- oxide
- nitrogen
- nitrogen oxide
- traffic flow
- mass spectrometer
- spectrometer
- instrumentation
- gasoline
- temperature
- methane
- oxidation
- medical treatment
- oxidation catalyst
- selective catalytic reduction
- chemical engineering
- physical chemistry
- lubricating oil
- lubricant
- filter
- pressure
- catalyst
- electric power conditioning
- picture
- exhaust pipe
- uncertainty
- detector
- steam
- electric power plant
- ethylene
- propane
- vapor pressure
- harbor
- engine operation
- vehicle
- engine oil
- diesel bus
- show 104 more
Publications
- 2022Contribution of traffic-originated nanoparticle emissions to regional and local aerosol levels
- 2021Measurement 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 comparisoncitations
- 2021Effects of marine fuel sulfur restrictions on particle number concentrations and size distributions in ship plumes in the Baltic Seacitations
- 2020Vertical profiles of lung deposited surface area concentration of particulate matter measured with a drone in a street canyoncitations
- 2020Effects of marine fuel sulfur restrictions on particle number concentrations and size distributions in ship plumes at the Baltic Seacitations
- 2020Physical Characteristics of Particle Emissions from a Medium Speed Ship Engine Fueled with Natural Gas and Low-Sulfur Liquid Fuelscitations
- 2020Particulate emissions of a modern diesel passenger car under laboratory and real-world transient driving conditionscitations
- 2019Dispersion of a Traffic Related Nanocluster Aerosol Near a Major Roadcitations
- 2019Overview of Sources and Characteristics of Nanoparticles in Urban Traffic-Influenced Areascitations
- 2019Physical and chemical characterization of urban winter-time aerosols by mobile measurements in Helsinki, Finlandcitations
- 2018Chemical and physical characterization of traffic particles in four different highway environments in the Helsinki metropolitan areacitations
- 2018Diurnal variation of nanocluster aerosol concentrations and emission factors in a street canyoncitations
- 2018Vertical profiles of lung deposited surface area concentration of particulate matter measured with a drone in a street canyoncitations
- 2016Time-resolved characterization of primary particle emissions and secondary particle formation from a modern gasoline passenger carcitations
- 2016Chemical and physical characterization of traffic particles in four different highway environments in the Helsinki metropolitan areacitations
- 2016Natural Gas Engine Emission Reduction by Catalystscitations
- 2015Effects of fresh lubricant oils on particle emissions emitted by a modern gasoline direct injection passenger carcitations
- 2015High temperature sample and low particle concentration - challenge for measurements
- 2014Mobile measurements of ship emissions in two harbour areas in Finlandcitations
- 2014Ship emission dynamics in minute scale
- 2014Ship emission minute scale dynamics in atmosphere
- 2013The effect of a particle oxidation catalyst (POC<sup>®</sup>) on particle emissions of a GDI car during transient engine operationcitations
- 2013Real-world nanoparticle emissions of passenger cars and heavy duty diesel vehicles
- 2013The effect of a particle oxidation catalyst (POC) on particle emissions of a GDI car during transient engine operationcitations
- 2013Emission of a GDI vehicle operating with different composition engine oils
- 2013Experimental and modeling analyses of emission measurements for a heavy-duty diesel bus: the comparison between on-road and in-lab methods
- 2008Reduction of exhaust nanoparticles by retrofitted after-treatment systems in diesel passenger cars
- 2008Study of effects of retrofitted after-treatment systems on diesel passenger car particle emissions
- 2005Particle number distributions of vehicle exhaust emission and their changes near a major highway in Helsinki in winter 2004
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