APPENDIX 1MIXING ZONE AND DISPERSION THEORYMIXING ZONE THEORYRegardless of how an effluent is discharged, the effluent will be mixed with thereceiving stream in several distinct hydraulic mixing zones, as illustrated in Figure A1-1.
These zones can be described as follows:
1.
Jet Momentum or Entrainment Zone (JMZ) – mixing occurs almost
exclusively due to the energy or initial momentum of the effluentdischarge;1A.
1A.
Restratification Zone
Once the effluent plume has lost its jet momentum into the receiving stream, theremaining density differences between the plume and the river can cause the plume torestratisfy or form a density wedge.
Eventually,
the effluent ...
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