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RISSeasonal Variations and Frequency Distributions of Ice Nuclei Concentrations at Abidjan, West Africa
Publisher: American Meteorological Society
Abstract: Atmospheric ice nuclei concentrations were measured at Abidjan for 27 months, with a mixing chamber operated at ?20C. Seasonal variations appear to be linked to the position of the Intertropical Front. Air masses arriving ...
The Diurnal and Seasonal Cycles of Wind-Borne Dust over Africa North of the Equator
Publisher: American Meteorological Society
Abstract: This article presents a study of the diurnal and seasonal cycles of dust over North Africa, using surface visibility as an indicator of dust. The diurnal cycle shows a reduction of visibility during the daytime hours in ...
Geometric Design of Scroll Expanders Optimized for Small Organic Rankine Cycles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The application of organic Rankine cycles (ORCs) for small scale power generation is inhibited by a lack of suitable expansion devices. Thermodynamic and mechanistic considerations suggest that scroll machines are advantageous ...
The Potential of Infrared Satellite Data for the Retrieval of Saharan-Dust Optical Depth over Africa
Publisher: American Meteorological Society
Abstract: Optical depth of Saharan dust derived from photometric measurements made during the dry season at a Sahelian site (Niamey, Republic of Niger) is compared with METEOSAT-2 radiance in the 10.5?12.5 ?m channel for different ...