Qun-chao Du

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In order to overcome the problems existing in reservoir stage operation at present, a new method was proposed based on probability combination principle in probability theory, the equal formula of the reservoir flood control standard was given specifically, and the flood-limited water level of each stage was determined by the situation that the reservoir(More)
The definition and quantitative expression of the overtopping vulnerability were introduced based on the natural disasters risk evaluation mode recommended by the Humanitarian Affairs Department of United Nations. In the study, the assessment model of the property index and population index reflect vulnerability was explicitly given. Divide the interval of(More)
Starting from the definition, this paper, has established the optimized computational model of carrying capacity of water resources. It elaborates the relation between the carrying capacity of water resources and available water capacity, water efficiency, welfare level, etc. Besides, concrete analyzing diagram and solution model is worked out. The results(More)
Changzhou Hydro-junction spans two islands and three rivers. The navigation lock is arranged in the right bank of Wai jiang river. The horizontal and reverse flow velocity of the outlet portal on the navigation lock is always the main issues of the hydraulic research on navigation lock, due to the influence of the complicated flow condition. After several(More)
According to mathematical statistic's mathematic expectation theory, the stochastic dynamic programming method based on the expected benefit is established for the reservoir power plant. The model's objective function, solution ideas and process are introduced in detail. The calculation results of example indicate that the expected benefit of the power(More)
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