| Summary: | 碩士 === 國立臺北科技大學 === 土木與防災研究所 === 95 === The Acoustic Doppler Velocimete (ADV) was adopted in this experimental study on investigate the characteristics of the open channel flow over a smooth boundary which was growed aquatic plant. The experiment uses the flume to establish the biology parameters for two kinds of aquatic plant and flow parameter. The biology parameters include aquatic plant loading angle, Density of aquatic plant, Ratio of aquatic plant height and water depth, aquatic plant retardance coefficient. The flow parameters include Froude number and Manning’s coefficient.
The objectives of this research were to study the different vegetation, density of vegetation and the relation between water gauge and Manning roughness. In addition, the results of the experiment can be use to estimation the roughness of the channel.
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