Calculation of surface annual average concentrations of nitrogen oxides from emissions of heat power enterprises in Moscow
- 1 — Moscow Power Engineering Institute
- 2 — Moscow Power Engineering Institute
- 3 — Moscow Power Engineering Institute
- 4 — Moscow Power Engineering Institute
Abstract
The paper deals with the issues of wastewater spreading in the urban atmosphere. Three model simulation models are considered. These are the Russian officially approved standards OND-86, the model of the Moscow Power Engineering Institute (MPEl model) and the Gauss model. The MPEI model is based on the OND-86 approaches and has some differences. Compared to OND-86, the MPEl model places the maximum surface concentration closer to the effluent source, the lateral dispersion is wider due to urban surface and boundary layers, and the conversion rate of NO to N0 2 is about 50%. The MPEl model also takes into account differences in the smoke plume lift over multi-barrel stacks. The modeling results are presented as graphical fields of annual mean surface concentrations. The paper highlights common features and differences in the application of different models.
References
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