Examined collector and its catchment area. Examination range, methods and measurement tools (rain meter, Sammler, flow meter). Examination results from selected freshets. Sewage pollution characteristics' values in the examined channel compared to examining other objects.
2
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Dla przygotowanego w programie SWMM modelu cyfrowego rzeczywistej zlewni i sieci kanalizacyjnej dokonano kalibracji, wykorzystując dane pomiarowe opadów i odpływu ścieków.
EN
Calibration for digital model of virtual catchment area and water supply / sewage treatment systems done with SWMM software with the use of precipitation and sewage flow measurement data.
3
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On the basis of model calculation results for existing city catchment area, conducted with the use of EPA SWMM software, the influence of the integration level of partial catchment areas on calculation results was proved. The essential calculation parameter, hydraulic run-off width, tends to increase rapidly with the increase of the catchment area integration level. Considering conducted analyses, it can be recommended that partial catchment areas should be not bigger than 2 ha - in which case hydraulic run-off width can be introductorily defined as 30 - 60 m (for catchment area managed in a similar way to the analyzed one). Proper integration level of the catchment area is a decisive factor for correct designing of precipitation sewage system and essential for the process of calibration of a calculation model.
4
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Possibilities of conducting control calculations of frequency of precipitation sewage system damming up in local conditions. Presentation of computer calculating techniques and possibilities to collect input data for hydrodynamic model of precipitation systems.
5
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Computer simulation as a convenient tool used for sewage treatment plant working and the influence of major changes on the treatment process analysis. Methodics of estimating the amount of generał fluming sewage directed to biological stage during precipitation flow, keeping the treated sewage guality on a law-regulated level.
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