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| 坡面薄层水流流态判定方法的初步探讨 | |
| 引用本文： | 敬向锋,吕宏兴,潘成忠,潘志宝,雒天峰,吉丽娜.坡面薄层水流流态判定方法的初步探讨[J].农业工程学报,2007,23(5):56-61. |
| 作者姓名： | 敬向锋 吕宏兴 潘成忠 潘志宝 雒天峰 吉丽娜 |
| 作者单位： | 1. 西北农林科技大学水利与建筑工程学院,杨凌,712100;中国科学院水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室,杨凌,712100 2. 中国科学院水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室,杨凌,712100 3. 西北农林科技大学水利与建筑工程学院,杨凌,712100 4. 甘肃省水利科学研究院,兰州,730000 5. 北京市北运河管理处,北京,101100 |
| 摘 要： | 为了研究坡面薄层水流流态的判定方法，从水力学与泥沙动力学观点出发，在4种不同坡度有机玻璃床面与人工粗糙床面(砂粒粒径为0.5～1 mm)上对坡面薄层水流进行了试验研究，并应用水力学二元流雷诺数与泥沙动力学绕流雷诺数对坡面薄层水流流态进行了分析比较，研究结果表明绕流雷诺数能较好反映坡面薄层水流流态。 |
| 关 键 词： | 坡面薄层水流 流态 二元流雷诺数 绕流雷诺数 |
| 文章编号： | 1002-6819（2007）5-0056-06 |
| 收稿时间： | 2006/5/22 0:00:00 |
| 修稿时间： | 2006-05-222007-03-10 |
Preliminary study on flow pattern determinant method of shallow flow on slope surface |
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| Jing Xiangfeng,Lü Hongxing,Pan Chengzhong,Pan Zhibao,Luo Tianfeng,Ji Lina.Preliminary study on flow pattern determinant method of shallow flow on slope surface[J].Transactions of the Chinese Society of Agricultural Engineering,2007,23(5):56-61. | |
| Authors: | Jing Xiangfeng Lü Hongxing Pan Chengzhong Pan Zhibao Luo Tianfeng Ji Lina |
| Institution: | College of Water Resources and Architectural Engineering, Northwest Agriculture and Forestry University, Yangling 712100, China;State Key Laboratory of Soil Erosion and Dry Land Farming on the Loess Plateau, Institute of Soil and Water Conservation, Chine;College of Water Resources and Architectural Engineering, Northwest Agriculture and Forestry University, Yangling 712100, China;State Key Laboratory of Soil Erosion and Dry Land Farming on the Loess Plateau, Institute of Soil and Water Conservation, Chine;State Key Laboratory of Soil Erosion and Dry Land Farming on the Loess Plateau, Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling 712100, China;College of Water Resources and Architectural Engineering, Northwest Agriculture and Forestry University, Yangling 712100, China;Institute of Water Resources of Gansu Province, Lanzhou 730000, China;Beijing Beiyun River Management Division, Beijing 101100, China |
| Abstract: | In order to research the flow pattern determinant method of shallow flow on slope surface, from the view point of hydraulics and sediment transport mechanics, a series of experiment of shallow flow on slope surface were performed on organic glass slippery bed and artificial rough bed(grain size of sediment is from 0.5 mm to 1 mm) with four kinds of gradient. And the flow pattern of shallow flow on slope surface under above conditions was analyzed and compared by applying hydraulics binary fluid Reynolds number and sediment transport mechanics turbulent flow Reynolds number. The results show that turbulent flow Reynolds number can better reflect flow pattern of shallow flow on slope surface. |
| Keywords: | shallow flow on slope surface flow pattern binary fluid Reynolds number turbulent flow Reynolds number |
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