A Technique for Plume Visualization in Power Plant Siting

Hayes, S. R.

doi:10.1080/00022470.1979.10470872

Cited by 4 publications

References 1 publication

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Ausbreitung von Abgasfahnen

Schönbucher

Scheller

1981

Chemie Ingenieur Technik

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Zur Ausbreitung luftfremder gasformiger Stoffe in der Atmosphare werden die wichtigsten experimentellen Untersuchungsverfahren sowie wesentliche mathematische Modellvorstellungen besonders von GauO-Modellen dargelegt. Dabei wird insbesondere die Einwirkung der von meteorologischen Einfliissen gepragten konvektiven und turbulenten Eigenschaften der Atmosphare auf die Ausbreitung von Abgasfahnen behandelt. Ein aquidensitometrisches MeBverfahren hat gezeigt, daB die Langzeitstrukturen einer Raffinerie-RuDfahne im norddeutschen Raum mit einem GauD-Fahnenmodell quantitativ beschrieben werden konnen. Hieraus ergeben sich die fur alle Ausbreitungsmodelle fundamentalen Streuungsparameter bzw. AustauschgroBen, deren Entfernungsabhangigkeit und GroBenordnung aus der aquidensitometrischen Ballenstruktur der Abgasfahnen verstandlich wird.The dispersion of pollutant plumes. Experimental methods for the determination of plume characteristics and basic mathematical diffusion models with particular emphasis on Gaussian models are reviewed. The most important process in the dispersion of air pollutants is turbulent diffusion in the atmosphere. Equidensitometric measurements of oil refinery plumes in North Germany show that the Gaussian plume model is applicable. The fundamental plume concentration standard deviations and eddy diffusivity coefficients are determined. The equidensitometric model of the eddy structure of plumes explains the time-averaged properties of the plume. Einleitung

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Ausbreitung von Abgasfahnen

Schönbucher

Scheller

1981

Chemie Ingenieur Technik

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Spatial–Temporal Analysis of Urban Air Pollution

Koussoulakou

1994

Visualization in Modern Cartography

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Gypsum and Other Calcium-Rich Aerosol Particles above the North Sea

Hoornaert

Malderen

Grieken

1996

Environ. Sci. Technol.

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Ca-containing particles, especially CaSO 4 particles, have been encountered in several atmospheric aerosol studies. An overview is given of the different sources of airborne Ca-containing particles. The North Sea atmosphere is studied to identify the different Ca-containing particle types and to find the correlation between their occurrence and the source regions of the corresponding air masses. About 50 000 individual aerosol samples were collected above the Southern Bight of the North Sea for several wind directions and analyzed for their composition using electron probe X-ray microanalysis. Nonhierarchical cluster analysis is performed on the data to reveal the different particle types, their relative abundances and their sources. CaSO 4 in most cases constitutes the largest fraction of the Ca-containing particles. Extremely high numbers of CaSO 4 particles are found for northeastern winds, coming from the central part of Germany, suggesting that a great fraction is derived from anthropogenic sources located in this region. Among the other Ca-containing particle types are the aluminosilicates, CaCO 3 , Fe-Ca-rich particles, and CaSO 4 or CaCO 3 in combination with NaCl.

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A Technique for Plume Visualization in Power Plant Siting

Cited by 4 publications

References 1 publication

Ausbreitung von Abgasfahnen

Ausbreitung von Abgasfahnen

Spatial–Temporal Analysis of Urban Air Pollution

Gypsum and Other Calcium-Rich Aerosol Particles above the North Sea

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