The graphic method of sizing pipe reservoir for short, high-intensity rainfalls

• Autorzy: Szelag B. , Kiczko A.

Warianty tytułu

PL

Graficzna metoda wymiarowania zbiornika rurowego dla krótkotrwałych, intensywnych opadów

• Języki publikacji: EN

Abstrakty

EN

The sizing of a storage reservoir, in order to reduce maximum water discharges in stormwater drainage systems, is one of the major topics in the civil engineering. In this article a methodology that allows identifying an optimal capacity of a pipe reservoir is proposed. Applying a simplified water flow model it was possible to bind various reservoir’s parameters (a reservoir diameter, a diameter of an outflow orifice and an outfl ow coefficient) with an infl ow hydrograph (a peak flow, a time of rising, a hydrograph fineness, a maximum discharge and a total volume). On the basis of functional relationships the nomographs were elaborated, allowing determining a desirable size of the reservoir, in a sense of a required peak reduction. The usage of the proposed methodology is presented with a simple example.

PL

Wymiarowanie zbiornika retencyjnego w celu zredukowania maksymalnych odpływów z kanalizacji deszczowej jest jednym z podstawowych zagadnień w inżynierii wodnej i lądowej. W artykule zaprezentowano metody wyznaczania optymalnej pojemności zbiornika rurowego. Zastosowanie uproszczonego modelu przepływu pozwoliło na powiązanie parametrów zbiornika rurowego (średnica komory akumulacyjnej, średnica otworu spustowego i współczynnik wydatku) i hydrogramu dopływu (czas przyboru, przepływ maksymalny podczas kulminacji, objętość fali, współczynnik asymetrii fali). Na podstawie uzyskanej zależności funkcyjnej sporządzono nomogramy pozwalające określić wymiary zbiornika i zapewnić redukcję przepływu maksymalnego na dopływie. Wykorzystanie zaproponowanej metodologii przedstawiono na prostym przykładzie obliczeniowym.

Słowa kluczowe

EN

rainfall; precipitation intensity; rainwater sewer system; drainage system; retention reservoir; water engineering; graphical method

• Wydawca: -
• Czasopismo: Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation
• Rocznik: 2014
• Tom: 46
• Numer: 3
• Opis fizyczny: p.221-232,fig.,ref.

Twórcy

autor

Szelag B.

• Department of Geotechnics and Water Engineering, Kielce University of Technology, al.Tysiaclecia Panstwa Polskiego 7, 25-314 Kielce, Poland

autor

Kiczko A.

• Division of Hydraulics, Warsaw University of Life Sciences-SGGW, Warsaw, Poland

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Identyfikatory

DOI

10.2478/sggw-2014-0018