The influence of the escaping device on the hydrodynamics of submerged floating tunnels under flow

被引：0
|
作者：
Dong, Mansheng [1 ]
Miao, Guoping [1 ]
Zhu, Renchuan [1 ]
Fan, Ju [1 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Ocean Engn, Shanghai 200030, Peoples R China
来源：
ISAB-2010 - FIRST INTERNATIONAL SYMPOSIUM ON ARCHIMEDES BRIDGE | 2010年 / 4卷
关键词：
submerged floating tunnel; escaping device; hydrodynamics; flow; DYNAMIC-RESPONSE;
D O I：
10.1016/j.proeng.2010.08.037
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A potential approach to settle the problem how to survive major safety accidents in submerged floating tunnel (SFT) is presented, i.e. a detachable escaping device. The CFD method is used to investigate the influence of the escaping device on the hydrodynamics of submerged floating tunnels in uniform flow and oscillatory flow. The Navier-Stokes equations and standard turbulence equations are solved by finite volume method (FVM). GAMBIT is used as the pre-processor and Fluent is used as the solver. In uniform flow, the escaping device reduces the drag force of SFT by more than thirty percent. In oscillatory flow, the escaping device has little influence on hydrodynamics of SFT. (C) 2010 Published by Elsevier Ltd.
引用
收藏
页码：325 / 331
页数：7
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