Preprint Article Version 1 This version is not peer-reviewed

Flow Structure Around Marginal Bank with Different Slopes Under the Action of Unsteady Flow

Version 1 : Received: 6 December 2018 / Approved: 10 December 2018 / Online: 10 December 2018 (16:42:41 CET)

How to cite: Wang, P.; Tian, Y..; Guo, G.; Wang, M. Flow Structure Around Marginal Bank with Different Slopes Under the Action of Unsteady Flow. Preprints 2018, 2018120112 (doi: 10.20944/preprints201812.0112.v1). Wang, P.; Tian, Y..; Guo, G.; Wang, M. Flow Structure Around Marginal Bank with Different Slopes Under the Action of Unsteady Flow. Preprints 2018, 2018120112 (doi: 10.20944/preprints201812.0112.v1).

Abstract

Unsteady flow is the most common and complicated form of fluid motion in nature. This paper takes the beaches of key waterways in the middle and lower reaches of the Yangtze River as the research object, analyzes the water surface distribution and average flow velocity distribution near the beach, and analyzes the differences. The relationship between the flow pattern of the steep slope and the water flow pattern of the entire survey area and the steep slope of the beach and its nearby water flow structure. The water flow near the beach is divided into four major blocks: the swelling water area, the falling water area, the backwater area and the maximum flow rate area. The water flow structure characteristics and the cause of each block are analyzed.

Subject Areas

marginal bank; unsteady flow; different slopes; water flow structure; experimentation; Yangtze River

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