Aerodynamic downwash definition

Aerodynamic downwash means the rapid descent of a plume to ground level with little dilution and dispersion due to alteration of background air flow characteristics caused by the presence of buildings or other obstacles in the vicinity of the emission point.

Examples of Aerodynamic downwash in a sentence

  • The complete set of emission rates and stack parameters for these scenarios is shown in Table 4-18.Table 4-18 Summary of Source and Operational Information for the Energy Answers Fairfield Renewable Energy Facility 4.5.1.1.4 Downwash Aerodynamic downwash caused by buildings and structures in the vicinity of exhaust stacks can lead to an increase in ground level concentrations.

  • Aerodynamic downwash caused by buildings and structures in the vicinity of exhaust stacks can lead to an increase in ground level concentrations.

  • Aerodynamic downwash of exhaust gas from stacks caused by nearby structures can increase ground-level concentrations by enhancing the growth of the plume near the source and by reducing the effective rise of the plume.

  • Aerodynamic downwash was simulated following EPA guidance, accounting for the influence of CHERC buildings and structures and the nearby Target Field.

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