Session K.pdf - Clarkson University

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elevation_interp53.0052.5052.0051.5051.0050.5050.0049.5049.0048.5048.0047.5047.00Limestone G. S.Sundance RapidsFig. 4. Bathymetry used in the simulationThe first two days of November 1999 are simulated to demonstrate the capability of themodel in simulating cycling discharge with dry- and-wet bed conditions. Figure 5 showsthe comparison of simulated and observed water surface elevation at the tailrace alongwith the rating curve. Figure 6 shows the simulated water depth at a low flow (1000 m 3 /s)condition. Figure 7 shows the simulated water depth at high flow (3500 m 3 /s). It can beseen that during low flow, many parts of the river bed, especially at the Rapids, are exposed.The water discharge pattern at the tailrace, i.e. the upstream boundary condition isalso shown in Figures 6 and 7.Tailwater Rating Curve for no ice condition57.00056.000Elevation (m)55.00054.00053.000Observed Dataon Nov.1 toNov. 15, 1999Rating Curvesimulated52.00051.0000.0 1000.0 2000.0 3000.0 4000.0 5000.0discharge (m 3 /s)Fig. 5. Simulated water surface elevation at Tailrace326
(m 3 /s)50004000300020001000Hour 24:00:0000 12 24 36 48Time (hour)Water Depth (m)54.543.532.521.510.50.0100100020003000Limestone G.S.Sundance RapidsVelocity Vector1m/sZ(m)400045(m)0 500 1000 1500 2000 2500 3000605550Fig. 6. Simulated water depth and velocity at low flow (Q=1000 m 3 /s)(m 3 /s)50004000300020001000Hour 36:00:0000 12 24 36 48Time (hour)Water Depth (m)54.543.532.521.510.50.0100100020003000Limestone G.S.Sundance RapidsVelocity Vector1m/sZ(m)400045(m)0 500 1000 1500 2000 2500 3000605550Fig. 7. Simulated water depth and flow velocity at high flow (Q=3500 m 3 /s)327
Page 1 and 2: 17th International Symposium on Ice
Page 3: 57.00056.000Elevation (m)55.00054.0
Page 7 and 8: Tailwater Elevation vs. DischargeOb
Page 9 and 10: REFERENCESBerger, R.C. and Stocksti
Page 11 and 12: consequences of the blocked up turb
Page 15 and 16: The position of the section of maxi
Page 17 and 18: The purpose of the tests was to def
Page 19 and 20: size of the flowing up particle is
Page 21 and 22: The combined usage of the umbrella-
Page 23 and 24: hτιj⎡∂(hu∂ ⎤i ) (hu j )=
Page 25 and 26: length was ≈800 m, its average wi
Page 27 and 28: Fig. 5. The ice thickness distribut
Page 31 and 32: the most appropriate automatic spil
Page 33 and 34: HPP turbines were not operating dur
Page 35 and 36: shown (Figure 4). Along the front c
Page 39 and 40: constant inclination. The channel s
Page 41 and 42: All temperatures are compared with
Page 43 and 44: Differance [ o C]5.004.003.002.001.
Page 47 and 48: Fig. 2. Grounded hummock by drying
Page 49 and 50: from each board, going from stem to
Page 51 and 52: consist in indemnification of the i
Page 53: REFERENCE1. Goldshtejn R.V., Osipen

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