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Three Gorges Power Station at regulating the downstream flow conditions of river navigation

Occurs when the low volume of traffic Gezhouba power station, base-load occurs when the Three Gorges Power Station Gezhouba occurs when the same traffic flow. If the average daily flow of the Three Gorges power station 20,000 cubic meters / second, peak rate of 800 million kilowatts program, Gezhouba at 9: O0 ~ 11: O0, 19: O0 ~ 22: O0 on discharge are 22,000 cubic meters / second, 12: O0 ~ 18: O0 on discharge are 20,000 cubic meters / second,[link widoczny dla zalogowanych], adjusting the discharge Gezhouba way to make 9: O0 ~ 22: O0 are 21,000 cubic meters / sec, constant flow at other times. Increase the maximum amount of water between two dams has not changed, the basic indicators of water between two dams the same,[link widoczny dla zalogowanych], but the Gezhouba has reduced the maximum discharge flow rate of 1,000 cubic meters / second, Downstream of the maximum water level at Yichang station be reduced, the water level at lower amplitude, Downstream of the other water indices were significantly lower. Gezhouba hydraulic characteristics of different anti-adjustment method is shown in table l0. (Continued on page 35) Table 10 Gezhouba hydraulic characteristics of the different methods compare anti-regulation between two dams average daily traffic changes in water level at Yichang reach maximum hours of maximum velocity of the water level change than the low flow, the maximum amplitude level at the maximum velocity change than the maximum water level h drop / (. s a) ~ t/m3 / / ~ / m variable rate / m / (m. S-') / ‰ / (m3. S-') sites / m variable rate / m / (m's a) / ‰ · 28 · (total No. 1398) Chan Wing Fui Peter: Ship Model in Gezhouba and the Three Gorges Project and the development of hydraulic models, were pivotal links TongGuTan Ship Model Test. 1992 and 2002. Scale 1:150 at Guangxi University, hydraulic model, the two (initial design and technical design) Cheung Chau hydropower project on the ship model testing. 1990 to 1991 on the Western Yuanshui Wuqiangxi hub, from 1993 to 1994, Western Yuanshui Lingjintan hydropower station, has in the Central South Hydraulic and Hydropower Design Institute 1:100 Scale model, ship model tests carried out. In 1997, the top five were the original concept of River Research Station ship lock. 1983 to 1985, the Jiangxi Province,[link widoczny dla zalogowanych], Hankou long hydraulic ASTRI Wanan hydraulic model 1:100 Scale,[link widoczny dla zalogowanych], were Downstream Navigation Conditions. In 2002, commissioned by the Design Institute of Ministry of Railways IV, ten thousand of the railway should be carried out through the Yangtze River Railway Bridge Ship Model Test.

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