Abstract
Анализ водоотдачи кольцевой сети наружного противопожарного водопровода с учетом повреждений трубопроводов
Highlights
In this article the authors analyze the yield of firefighting external water supply (FEWS) subject to possible damage of pipelines at different sites
Standard methods of assessing water loss dead-end and ring networks FEWS does not take into account the numerous factors which affect the flow of water and the scenario of possible collision damage different sections of a piping network FEWS isn’t considered
For the calculation the authors used a numerical method of mathematical modeling of water loss ring network FEWS
Summary
ÀÍÀËÈÇ ÂÎÄÎÎÒÄÀ×È ÊÎËÜÖÅÂÎÉ ÑÅÒÈ ÍÀÐÓÆÍÎÃÎ ÏÐÎÒÈÂÎÏÎÆÀÐÍÎÃÎ ÂÎÄÎÏÐÎÂÎÄÀ Ñ Ó×ÅÒÎÌ ÏÎÂÐÅÆÄÅÍÈÉ ÒÐÓÁÎÏÐÎÂÎÄÎÂ. Ðàññìîòðåíà ïðîáëåìà îöåíêè âîäîîòäà÷è êîëüöåâîé ñåòè íàðóæíîãî ïðîòèâîïîæàðíîãî âîäîïðîâîäà ïðè ïîâðåæäåíèè íåêîòîðûõ åãî ó÷àñòêîâ.  ðàìêàõ äàííîé ñòàòüè ðàññìîòðåíû âàðèàíòû ðàáîòû ñåòè ïðè ðàçëè÷íûõ âàðèàíòàõ ïîâðåæäåíèé (ðàçðûâîâ) òðóáîïðîâîäîâ è êîëè÷åñòâå çàäåéñòâîâàííûõ Ïà îò 2 äî 4 Âûðàæåíèÿ äëÿ ìîäåëèðîâàíèÿ âîäîîòäà÷è êîëüöåâîé ñåòè ÍÏÏ ïðè äâóõ çàäåéñòâîâàííûõ Ïà (N = 2) ñ ó÷åòîì ïîâðåæäåíèé òðóáîïðîâîäîâ. 5 ïðèâåäåíû ðåçóëüòàòû ìîäåëèðîâàíèÿ âîäîîòäà÷è êîëüöåâîé ñåòè ÍÏÏ áåç ïîâðåæäåíèé è ñ ïîâðåæäåíèÿìè, à òàêæå (äëÿ ñðàâíåíèÿ) çíà÷åíèÿ âîäîîòäà÷è ïî ñïðàâî÷íèêó [5] ïðè d = 150 ìì è íàïîðå Í = 10 ̧80 ì âîä. Âûðàæåíèÿ äëÿ ìîäåëèðîâàíèÿ âîäîîòäà÷è êîëüöåâîé ñåòè ÍÏÏ ïðè òðåõ çàäåéñòâîâàííûõ Ïà (N = 3) ñ ó÷åòîì ïîâðåæäåíèé òðóáîïðîâîäîâ. Âûðàæåíèÿ äëÿ ìîäåëèðîâàíèÿ âîäîîòäà÷è êîëüöåâîé ñåòè ÍÏÏ ïðè ÷åòûðåõ çàäåéñòâîâàííûõ Ïà (N = 4) ïî ñõåìå “2 + 2” ñ ó÷åòîì ïîâðåæäåíèé òðóáîïðîâîäîâ.
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