文档介绍：The process of diffusion and transportation of COD
around the radial sand ridges in the Huanghai Sea
Zhu Yu-xin Zhang Guang-yu
Tianjin Research Institute of Water Transport Engineering Tianjin Research Institute of Water Transport Engineering
Tianjin,China Tianjin,China
Zhuyx500@
Wang ying
Tianjin Research Institute of Water Transport Engineering
Tianjin,China
ruozhu1106@
Abstract—It applies hydrodynamic Model to simulate COD of The model takes advantage of the Delft3D modeling
sewage around Xiaoyangkou, Rudong City, Jiangsu Province in system (WL| Delft Hydraulics, 2001). Delft3D system is a
this paper. Curvilinear orthogonal grid is used in interesting flexible, modular modeling posed of a number of
area, and hydrodynamics and water quality model are used to modules, Using it can investigate hydrodynamics, sediment
the current velocity field and tidal level field both on case of the transport and morphology and water quality for fluvial,
spring and the neap tide. putational results are estuarine and coastal environments.
compared with measured field data around drain. It shows that Depth-averaged Governing Equations
the simulation results are consistent with field data. In each case
In order to study the distribution of CODMn when sewage
of spring and neap tide , velocity and direction play an important is discharging, using