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Ozone levels drop 20 percent with switch from ethanol to gasoline
Ozone levels drop 20 percent with switch from ethanol to gasoline
2014/5/13
Choice at the pump. When residents of São Paulo chose gasoline over ethanol to fuel their vehicles, levels of ozone actually decreased, according to a Northwestern study.
A Review of Termo- and Diffusio-Phoresis in the Atmospheric Aerosol Scavenging Process. Part 1: Drop Scavenging
Thermophoresis Diffusiophoresis Impaction
2013/2/26
The role of phoretic forces in providing in-cloud and below-cloud scavenging due to falling drop is reviewed by considering published papers dealing with theoretical models, laboratory and field measu...
Understanding the Variability of Z-R Relationships Caused by Natural Variations in Raindrop Size Distributions (DSD): Implication of Drop Size and Number
Raindrop Size Distribution Radar Reflectivity Factor
2013/2/26
In the issue of rainfall estimation by radar through the necessary relationship between radar reflectivity Z and rain rate R (Z-R), the main limitation is attributed to the variability of this relatio...
Characteristics of Submicron-sized Aerosol Filtration and Pressure Drop of an Electret Filter Installed in an Air Diffuser in a Residential Apartment Unit
Electret filter Filtration Pressure drop
2016/3/28
We investigated submicron-sized aerosol filtration and the pressure drop of an electret filter called a “Flimmer filter.”
The fibers of the filter are aligned parallel to the direction of the airflow...
A Low Pressure Drop Preseparator for Elimination of Particles Larger than 450 nm
Cyclone Virtual impactor Diffusion charger Nanoparticle
2016/3/28
Measurement techniques which allow the detection of airborne nanoparticles are of great interest for e.g. exposure
monitoring and quality control during nanoparticle production. An increasing number ...
Pressure Drop Evolution of a Medium-Performance Fibrous Filter during Loading of Mist Aerosol Particles
Mist Fibrous filter Pressure drop Size distribution
2016/3/29
Collection characteristics of mist aerosol particles by a medium-performance fibrous filter was
studied by analyzing the effect of filtration velocity, numbers of filter, types of liquid with differe...