Sizing and Modeling of the Sewage System in the City of Wroclaw / Wymiarowanie I Modelowanie Kanalizacji Deszczowej We Wrocławiu

• Authors: Andrzej Kotowski , Bartosz Kaźmierczak
• Languages of publication: EN

Abstracts

EN

The paper presents verification of selected flow time methods in terms of usability for sewage systems design and sizing on the example of a model municipal flat drainage area of the area of 2 km2. Namely, the sewage system network was sized using three methods, that is, MGN with Błaszczyk’s formula, MGN with the precipitation model for WROCLAW and MWO with the precipitation model for Wroclaw, and then, the network functioning was verified for damming up on the area surface and flooding from drains using the hydrodynamic model SWMM 5.0. The precipitation model of Euler type II was used as the drainage area load in the conditions of Wroclaw, for which the probabilistic model of the maximum precipitation was developed. It was shown that the safe flow time method for sewage system sizing is MWO using the criterion for the lack of damming up for the area and flooding from drains.

PL

W pracy symulowano działanie kanalizacji deszczowej zwymiarowanej trzema metodami czasu przepływu, tj.: MGN z wzorem Błaszczyka, MGN z wzorem opadów dla Wrocławia i MWO z wzorem opadów dla Wrocławia, dla modelowej zlewni miejskiej o powierzchni 2 km2 w terenie płaskim. Do symulacji hydrodynamicznych systemów kanalizacyjnych wybrano program SWMM 5.0 (Storm Water Management Model), opracowany przez Amerykańską Agencję Ochrony Środowiska (US EPA). Jako obciążenie zlewni zastosowano opad modelowy Eulera typ II w warunkach hydrologicznych miasta Wrocławia (rzędna terenu 120,0 m nad poziom morza). Wskazano na bezpieczną metodę wymiarowania systemów kanalizacyjnych (MWO) przy kryterium braku wylewów z kanałów.

Keywords

EN

storm water management model; sewer flooding; rain model

PL

model zarządzania wodami opadowymi; wylania z kanalizacji; opady modelowe

• Publisher: De Gruyter Open
• Journal: Ecological Chemistry and Engineering S
• Year: 2013
• Volume: 20
• Issue: 1
• Pages: 163-176

Dates

published

1 - 03 - 2013

online

23 - 02 - 2013

Contributors

author

Andrzej Kotowski

• Institute of Environmental Engineering, Wroclaw University of Technology, pl. Grunwaldzki 9, 50-377 Wrocław, Poland, phone [phone], fax [phone]

author

Bartosz Kaźmierczak

• Institute of Environmental Engineering, Wroclaw University of Technology, pl. Grunwaldzki 9, 50-377 Wrocław, Poland, phone [phone], fax [phone]

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Identifiers

DOI

10.2478/eces-2013-0013