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Angewandte Regelung und Optimierung in der ... - uni-stuttgart

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Preprocess<strong>in</strong>g<br />

Comb<strong>in</strong>e pipes <strong>in</strong> series with demandless nodes /<br />

<strong>in</strong> parallel to <strong>uni</strong>que pipe<br />

• Pipes <strong>in</strong> series with junctions, which have no demand, has the<br />

same hydraulic effect as one pipe with an equivalent<br />

conductance/resistance value and thus can be substituted<br />

(R=R1+R2)<br />

• Parallel pipe can be substituted with a <strong>uni</strong>que pipe, which has the<br />

aggregate conductance of the orig<strong>in</strong>al ones (1/R = 1/R1 + 1/R2)<br />

•reservoir<br />

•reservoir<br />

© ABB Group<br />

June 28, 2010 | Slide 57<br />

•Node with demand<br />

•tank<br />

•tank

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