河床阻力研究综述

doi:10.3969/j.issn.1674-0696.2011.05.026

重庆交通大学学报（自然科学版） ›› 2011, Vol. 30 ›› Issue (5): 1004-1008.DOI: 10.3969/j.issn.1674-0696.2011.05.026

河床阻力研究综述

钟亮^1，2 ，许光祥^1，2

1. 重庆交通大学省部共建水利水运工程教育部重点实验室，重庆400074; 2. 重庆交通大学河海学院，重庆400074

修回日期:2011-01-10 出版日期:2011-10-15 发布日期:2015-01-22
通讯作者: 28/04/2011
作者简介:钟亮(1980—)，男，江西赣州人，讲师，博士，主要从事水力学及河流动力学、航道整治技术研究。E-mail:zliang1010@sohu.com。
基金资助:
高等学校博士学科点专项科研基金资助项目(20070618003);重庆交通大学省部共建水利水运工程教育部重点实验室开放基金资助项目(SLK2009A02)

Bed Resistance Research Review

ZHONG Liang^1，2 ，XU Guang-xiang^1，2

1. Key Laboratory for Hydraulic and Waterborne Transportation Engineering of Ministry of Education，Chongqing Jiaotong University，Chongqing 400074，China; 2. School of River ＆ Ocean Engineering，Chongqing Jiaotong University，Chongqing 400074，China

Revised:2011-01-10 Online:2011-10-15 Published:2015-01-22

摘要/Abstract

摘要： 总结归纳了国内外沙粒阻力及沙波阻力计算方面取得的主要成果，认为计算沙粒阻力的关键在于沙粒当量粗糙度ks1 的选取，目前在ks1 的选取上主要有4 种代表性观点，而沙波阻力主要有基于沙波几何形态与基于水流泥沙条件两类计算方法。同时，通过分析现有公式存在的不足，结合河床微观形态具有自相似性的特点，提出可将分形维数引入阻力计算公式中，以更加全面直观地反映粗糙形态对河床阻力的影响。

关键词: 河床阻力, 沙粒阻力, 沙波阻力, 研究综述, 分形维数

Abstract: After summarizing the main results for the calculation of grain resistance and bedform resistance，it hold that the key problem to calculate the grain resistance was how to determine the sand grain roughness ks1 ，and four main representative views were presented． As for the calculation of bedform resistance，two kinds of methods were provided，including the method based on the geometry of river bedform and that based on the flow and sand conditions． Additionaly，the defects of the exsiting formulas for the resistance prediction were discussed． In view of the self-similar characteristics of riverbed microstructures， it sugguested that improving the above formulas by introducing the fractal dimension could reflect the influence of rough bedform more comprehensively and directly．

Key words: riverbed resistance, grain resistance, bedform resistance, review, fractal dimension

中图分类号:

TV143⁺.5

钟亮，，许光祥，. 河床阻力研究综述[J]. 重庆交通大学学报（自然科学版）, 2011, 30(5): 1004-1008.

ZHONG Liang，，XU Guang-xiang，. Bed Resistance Research Review[J]. Journal of Chongqing Jiaotong University(Natural Science), 2011, 30(5): 1004-1008.

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河床阻力研究综述

Bed Resistance Research Review

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