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摩擦速度と管摩擦係数
図 分岐・合流する管路の流量
選択肢
(1) | \(\lambda_3 \Large \frac{L_3}{d_3} \frac{v_3^2}{2g}\) | (2) | \(\left( \Large \frac{1}{\sqrt{k_2}} \normalsize + \Large \frac{1}{\sqrt{k_3}} \normalsize \right)\sqrt{k}Q\) | (3) | \(\lambda_3 \Large \frac{L_3}{d_3} \frac{1}{2g} \normalsize \left( \Large \frac{4}{\pi d_3^2} \normalsize \right)^2\) |
(4) | \(\Large \frac{1}{\sqrt{k_2}} \normalsize + \Large \frac{1}{\sqrt{k_3}} \normalsize\) | (5) | \(\sqrt{\Large \frac{k_2}{k}} \normalsize Q_2 = \sqrt{\Large \frac{k_3}{k}} \normalsize Q_3 \) | (6) | \(k_2 Q_2^2 = k_3 Q_3^2 \) |
(7) | \(\Large \frac{p_C}{\rho} \normalsize + \Large \frac{v_2^2}{2} \normalsize + g z_C + g h_{lB ③ C}\) | (8) | \(\lambda_2 \Large \frac{L_2}{d_2} \frac{v_2^2}{2g}\) | (9) | \(\lambda_2 \Large \frac{L_2}{d_2} \frac{1}{2g} \normalsize \left( \Large \frac{4}{\pi d_2^2} \normalsize \right)^2\) |
(10) | \(\sqrt{\Large \frac{k}{k_2}} \normalsize Q\) | (11) | \(h_{lB ② C} = h_{lB ③ C}\) | (12) | \(\Large \frac{p_B}{\rho} \normalsize + \Large \frac{v_2^2}{2} \normalsize + g z_B\) |
(13) | \(\Large \frac{p_C}{\rho} \normalsize + \Large \frac{v_2^2}{2} \normalsize + g z_C + g h_{lB ② C}\) | (14) | \(\sqrt{\Large \frac{k}{k_3}} \normalsize Q\) |