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→Multi-stage Risers
Line 25:
Line 25:
<math>
<math>
−Q=\left\{\begin{matrix}
+Q=
−0,& Z\leq Z_{0} \\
+\left\{\begin{matrix}
−C_{w}L_{w}\left ( Z-Z_{0} \right )^{1.5} & Z_{0}\leq Z\leq Z_{0}+H_{0}\\
+0, & Z\leq Z_{0} \\
−C_{d}A_{0}\sqrt{2g\left (Z-Z_{0}-0.5H_{0}\right)} & Z_{0}+H_{0}\leq Z\leq Z_{1}\\
+C_{w}L_{w}\left ( Z-Z_{0} \right )^{1.5}, & Z_{0}\leq Z\leq Z_{0}+H_{0}\\
−C_{w}L_{w}\left ( Z-Z_{1} \right )^{1.5}+C_{d}A_{0}\sqrt{2g\left (Z-Z_{1}\right)} & Z_{1}<Z
+C_{d}A_{0}\sqrt{2g\left (Z-Z_{0}-0.5H_{0}\right)}, & Z_{0}+H_{0}\leq Z\leq Z_{1}\\
+C_{w}L_{w}\left ( Z-Z_{1} \right )^{1.5}+C_{d}A_{0}\sqrt{2g\left (Z-Z_{1}\right)}, & Z_{1}<Z
\end{matrix}\right.
\end{matrix}\right.
</math>
</math>