摘要
采用VOF(volume of fluid)方法,模拟了低水头建筑物的泄水过程,通过慈溪龙山排涝出海闸工程实例对模型精确性进行校核,在此基础上提出一种新型拱洞型消能工,并与普遍采用的SAF(saint antony falls)型和原模型消能工的消能效果进行对比,结果表明,拱洞型消能工能进一步降低下泄水流的流速及水流深度,提高消能率,更有利于低水头建筑物的消能防冲。本文提出的拱洞型消能工,为低水头泄水建筑在选择消能防冲设施时提供了更多的选择。
With the method of VOF（volume of fluid）, the discharge process of the low water-head structure is simulated herein, and then the accuracy of the model is checked through an actual engineering case Longshan Drainage and Coastal Sluice in Cixi. On the basis of this, a new type of energy dissapater is proposed, which is compared with the energy dissipation effects of the conventional type of SAF（ saint antony falls）and the prototype of stilling pool. The result shows that the velocity and depth of the discharging flow can be further lowered by the new type of energy dissipater with the increase of the dissipation rate, which is more favorable for energy dissipation and anti-scour of the low water-head hydraulic structure. The new type of energy dissipater proposed herein provides more alternatives when selecting energy dissipation and anti-scour facility for the low water-head discharge structure.
出处
《水利水电技术》
CSCD
北大核心
2016年第9期44-49,共6页
Water Resources and Hydropower Engineering
基金
辽宁省高等学校杰出青年学者成长计划(LJQ2012066)
辽宁省教育厅科研一般项目(L2014280)
关键词
低水头
三维数值模拟
消能防冲
拱洞型消能工
low water-head
3 -D numerical simulation
energy dissipation and anti-scour
arch-hole energy dissipater
