摘要
考虑海湾地区水体密度分布不均所引起的密度梯度和斜压效应,建立正交曲线坐标下基于σ坐标的三维斜压水流和温排水数学模型。将该模型应用于象山湾内某电厂的温排水运动特性研究,计算所得的潮位和流速与原体观测资料吻合良好,所得温排水的温升范围以排水口为中心,随湾内涨、落潮呈带状分布,排水口近区热分层现象明显,温升分布计算结果与物理模型试验结果趋势一致。
Considering the density gradient and baroclinic effect, a 3D baroclinic flow and thermal discharge numerical model for power plant in bay was developed with horizontal orthogonal curvilinear coordinate and vertical single sigma coordinate.The model was applied to simulate the thermal-hydraulic characteristics of the flow and heat transport from a nuclear power plant in Xiangshan Bay.The calculated tidal level and flow field are in good agreement with prototype observation data.The temperature-rising district shows zonal distribution along water outlet,which is dependent on the tidal dynamics.There exists thermal stratification near water outlet.The results of model and physical model experiment have basically the same tendency.
出处
《水道港口》
2010年第2期90-97,共8页
Journal of Waterway and Harbor
基金
国家自然科学基金资助项目(50779016)
高等学校博士学科点专项科研基金资助课题(20090094120005)
关键词
温排放
三维斜压模型
数值模拟
thermal discharge
3D baroclinic model
numerical model
