[1]李明,俞梅欣,喻国良.往复流作用下推移质输沙强度的计算公式[J].哈尔滨工程大学学报,2019,40(02):247-253.[doi:10.11990/jheu.201708073]
 LI Ming,YU Meixin,YU Guoliang.Formula for predicting bedload sediment transport rate under oscillatory flows[J].hebgcdxxb,2019,40(02):247-253.[doi:10.11990/jheu.201708073]
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往复流作用下推移质输沙强度的计算公式(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
40
期数:
2019年02期
页码:
247-253
栏目:
出版日期:
2019-02-05

文章信息/Info

Title:
Formula for predicting bedload sediment transport rate under oscillatory flows
作者:
李明1 俞梅欣2 喻国良1
1. 上海交通大学 船舶与海洋工程系, 上海 200240;
2. 中船第九设计研究院工程有限公司, 上海 200063
Author(s):
LI Ming1 YU Meixin2 YU Guoliang1
1. Department of Naval Architecture and Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
2. China Shipbuilding NDRI Engineering Co., Ltd., Shanghai 200063, China
关键词:
推移质运动往复流U型水槽实验相位滞后KC数修正半理论半经验公式
分类号:
TV142
DOI:
10.11990/jheu.201708073
文献标志码:
A
摘要:
为了研究往复流的非恒定效应对推移质运动的影响,能够更准确地预测往复流作用下推移质输沙强度的大小,本文通过对泥沙颗粒运动进行受力平衡和能量守恒分析,推导出往复流作用下推移质输沙强度计算公式,同时将Keulegan-Carpenter数引入公式中对相位滞后效应进行修正,最后根据往复流水槽的实验数据拟合得到一个用于计算半周期平均输沙强度的半理论半经验公式,该公式在小KC数情况下对实测值的预测相比于传统的准恒定流模型有明显提高。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-08-25。
基金项目:科技部水资源高效利用重点专项(2016YFC0402607).
作者简介:李明,男,硕士研究生;喻国良,男,教授,博士生导师.
通讯作者:喻国良,E-mail:yugl@sjtu.edu.cn
更新日期/Last Update: 2019-01-30