Hyperconcentrated Flow

Institute of Water Conservancy and Hydroelectric Power Research, Beijing, People's Republic of China. Institute of Water Conservancy and Hydroelectric Power Research, Beijing, People's Republic of China.

PREFACE -- 1 HYPERCONCENTRATED FLOW IN NATURE AND IN PRACTICAL APPLICATION -- 1.1 Hyperconcentrated flow in the main stem and tributaries of the Yellow River -- 1.2 Hyperconcentrated flow in reservoirs -- 1.3 Hyperconcentrated density current in rivers -- 1.4 Hyperconcentrated turbidity current -- 1.5 Hyperconcentrated flow in canals (Wan & Xu, 1984) -- 1.6 Debris flow -- 1.7 Hydrotransport and densecoal hydrotransport -- 1.8 Summary conclusion -- References -- 2 BASIC PATTERNS OF MOTION OF HYPERCONCENTRATED FLOW -- 2.1 Different forms of grain movement -- 2.2 Patterns of motion of hyperconcentrated flow -- References -- 3 THE ORIGIN AND FORMATION OF HYPERCONCENTRATED FLOW IN THE Y ELLOW RIVER BASIN -- 3.1 The geomorphic, geological, and hydrological features of the loess plateau region of the Yellow River basin -- 3.2 The distribution of the modulus of sediment yield in the loess plateau -- 3.3 The variation of loess size and maximum concentration -- 3.4 Limiting concentration of hyperconcentrated flow at different localities in the basin -- 3.5 Discharge-sediment transport capacity relationship for gullies of different orders -- 3.6 Size composition features of the suspended sediment -- References -- 4 RHEOLOGICAL PROPERTIES OF HYPERCONCENTRATED FLOW -- 4.1 Rheogram -- 4.2 Rheological models ofhyperconcentrated flow -- 4.3 Determination of rheological parameters -- 4.4 The influence of turbulence on Bingham yield stress -- References -- 5 FALL VELOCITY OF SEDIMENT PARTICLES IN HYPERCONCENTRATED FLOW -- 5.1 Factors causing reduction of fall velocity -- 5.2 Buoyancy force of a body in solid-liquid mixture -- 5.3 Group fall velocity of uniform cohesionless sediment particles -- 5 .4 Gross fall velocity of non-uniform cohesionless particles -- 5.5 Settling of sediment containing clay particles -- 5.6 Settling of discrete floes and discrete particles -- 5.7 The settling of discrete particles in flocculent suspension -- 5.8 The settling of the flocculent structure as an