CE 308 HYDROLOGY AND WATER RESOURCES ENGINEERING SPILLWAY Spillways evacuate downstream extra flood volume to Subcritica
Posted: Mon May 02, 2022 11:13 am
CE 308 HYDROLOGY AND WATER RESOURCES ENGINEERING SPILLWAY Spillways evacuate downstream extra flood volume to Subcritical Flow --EGL Frondambar H Ho y, y wy Supercritical Flow Sauldka caulis MO - 2.2 Overflow spillway y = critical depth 2.1 1920 2. = C,LH32 1.9 P+H, = y; + uithe 2g 1.8 0.25 0.75 2.25 2.75 1.25 1.75 P/H. Co = -0.0201 G. + 0.2148 2148 ) - 0915 + 1.982 -2.3081 6.+1414 (1) + + 1.7719 12 ยป: - ( u 1 +8F,, -1) AE = E,-E, . (P2 - 3,) 4y,y2 Given: M Q=3003_1t/hr Dimension of open channel=85 x 5cmxcm) - 1.7 on V = 1.1 cm . P= 18.5_cm . Determine: Co, hu Fr, Fr, Y2 and AE Discussion: Why do we observe supercritical flow, explain? Is there a differences between observed ya and calculated y? If yes, write the possible reasons. What type of energy dissipating facility (type I, ll or etc.) do you prefer for this experiment, explain briefly?