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A newly developed 2-d shallow layer model for dense gas dispersion in obstructed terrain is presented. The model solves the conservation equation of longitudinal and lateral momentum, dense gas mass and total mixture mass, averaged over the cloud height. The model predicts satisfactorily the experimental concentration time histories on the plane of symmetry downwind of the obstacle. Upwind, the model overestimates the maximum concentration levels.

Additional information

Authors: VENETSANOS A G, JRC Ispra (IT);WÜRTZ J, JRC Ispra (IT);BARTZIS J, National Centre for Scientific Research "Demokritos", Attiki (GR);STATHARAS J, National Centre for Scientific Research "Demokritos", Attiki (GR)
Bibliographic Reference: Paper presented: Air Pollution 95, Porto Carras (GR), September 26-28, 1995
Availability: Available from (1) as Paper EN 39317 ORA
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