Surfactants from the gas phase may promote cloud droplet formation

Surfactants from the gas phase may promote cloud droplet formation.

Clouds, a key component of the climate system, form when water vapor condenses upon atmospheric particulates termed cloud condensation nuclei (CCN). Variations in CCN concentrations can profoundly impact cloud properties, with important effects on local and global climate. Organic matter constitutes a significant fraction of tropospheric aerosol mass, and can influence CCN activity by depressin...

Surfactants from the gas phase may enhance aerosol cloud nucleation

Clouds, a key component of the climate system, form when water vapor condenses upon atmospheric particulates termed Cloud Condensation Nuclei (CCN). Variations in CCN concentrations can profoundly impact cloud properties, with important effects on local and global climate. Organic matter (OM) constitutes a significant fraction of tropospheric aerosol mass, and can influence CCN activity by depr...

Surfactants in cloud droplet activation: mixed organic-inorganic particles

Organic compounds with surfactant properties are commonly found in atmospheric aerosol particles. Surface activity can significantly influence the cloud droplet forming ability of these particles. We have studied the cloud droplet formation by two-component particles comprising one of the organic surfactants sodium octanoate, sodium decanoate, sodium dodecanoate, and sodium dodecyl sulfate, mix...

Droplet formation in sheared liquid-gas layers

Droplet formation in an expanding nucleon gas

In energetic central heavy ion collisions it is generally assumed that, after going thru an early stage of hot and compressed nuclear matter, the system, before freezing out, will undergo a substantial expansion causing local cooling. At energies around or above 10A GeV the current picture is that the hot system while cooling passes from a phase involving at least partially deconfined quarks an...