Session K.pdf - Clarkson University

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• We find the smallest difference between the suggested regulation regimes in winter/springin years with a high discharge from Kvilldal hydro power station. That inducesless vertical temperature difference upstream Suldalsporten, and hence not so dependentof the thickness of the withdrawal layer.REFERENCESLal, A.M.W. and Shen, H.T. A mathematical model for River Ice Processes (RICE). Report No. 89-4.February 1989. Dept. of Civil and Env. Engineering. <strong>Clarkson</strong> Univ., Potsdam, New York, 13699 (1989).366
17th International Symposium on IceSaint Petersburg, Russia, 21-25 June 2004International Association of Hydraulic Engineering and ResearchRESEARCH OF ICE CONDITIONS FOR THE STRUCTURESOF TUGUR TIDE POWER STATIONS.I. Kovalevskij 1 , L.M. Monosov 2 , A.M. Tsibin 1ABSTRACTFor work of hydrotechnical structures in difficulties ice condition is required the developmentof actions for maintenance of its careful exploitation. The results of nature researchhad permitted to begin the development of actions for protection from ice influencein bases structures of Tugur tide power station.The energy of tide power stations is essential alternative for thermal and atom powerstations. There are on in Russia many regions with high value of tide. Particularly, Kolapeninsula – the value of tide is about 4 m, Lumbov Gulf - about 7 m, Mezen Gulf -about 9 m. The essentials values of tide are observed in Okhotsk sea, for example, inPenzhin Bay - about 13 m, in Tugur Gulf - about 9 m. In the regions of these water areasare difficulties ice and climatic conditions that are considered by designation, constructionand exploitation of tide power stations.The above mentioned Tugur Gulf lies in west part of Okhotsk sea.The length of lied from north to south Tugur Gulf is 74 km and the width is about37 km. The Shantar islands from north side are natural protections by influence of ices(The tides power stations, 1994).The length of dam of tide power station with the building of station lied inside of it willbe 18 km. The water will be passed as well across water aggregates as across culvertholes.For careful exploitation of aggregates including in period of Freeze-up must be developedrespective actions.For reception of dates about ice conditions in Tugur Gulf by small level of scrutiny forthis question (Monosov and other, 1991) was necessary the carrying out of ice-researchworks in Tugur Gulf. Particularly, the air and ice investigations bas carried out, includingice-mesure survey and determination of ice and water salinity.Resulting of investigations are received the dates, permitting to determine the basescharacteristics of ice regime of Tugur Gulf in natural conditions.1 All – Russian Jnstitute of Hydraulic Engineering (VNIIG), Gzhatskaya str., 21, St.Petersburg, Russia2 Plant Everest367
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Page 3 and 4: 57.00056.000Elevation (m)55.00054.0
Page 5 and 6: (m 3 /s)50004000300020001000Hour 24
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: 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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