CORMIX与二维数模、物模在滨海核电厂温排水近区模拟中的比对研究  

Comparison Between CORMIX and Traditional Models on the Simulation of Coastal Nuclear Power Plant Water Discharge

作　　者：张琨[1] 张爱玲[1] 覃春丽[2] 王韶伟[1] ZHANG Kun ZHANG Ai-ling QIN Chun-li WANG Shao-wei(Nuclear and Radiation Safety Center ,MEP ,Beijing 100082 ,China Suzhou Nuclear Power Research Institute, CGNPG , Suzhou 215004, China)

机构地区：[1]环境保护部核与辐射安全中心,北京100082 [2]中广核集团苏州热工研究院,江苏苏州215004

出　　处：《海洋科学进展》2017年第1期117-123,共7页Advances in Marine Science

基　　金：国家科技重大专项基金资助项目--CAP1400安全审评关键技术研究(2013ZX06002001-010)

摘　　要：我国一般采用二维数值模型和物理模型相结合的方式对滨海核电厂的温排水影响范围进行评价,二维数值模型难以模拟近区水流和温排水的分布规律,而开展物理模型试验所需费用高、周期长。CORMIX是在浮射流理论分析和物理模型试验的基础上开发的,对近区的稀释扩散特征模拟结果较好,且使用简单快捷、成本低。本文以我国某滨海核电厂温排水影响范围的模拟为算例,对CORMIX与二维数模、物模进行比较,结果表明,CORMIX对于近区的模拟结果优于二维数模,与物模试验结果的一致性较好。同时,本文还对CORMIX在滨海地区的适用性进行探讨,对于岸线规律、水下地形开阔的区域,CORMIX可作为温排水近区模拟的首选方法。Combination of 2D numerical model and physical model is mostly used in the simulation of the thermal plume formed by coastal nuclear power plant water discharge.It is difficult for a 2D model to simu late the flow and temperature distribution in near zone.Using physical model for experiments means higher cost and longer experiment cyele.CORMIX is developed based on buoyant jet theoretical analysis and physi- cal model experiments, and can produce satisfactory simulation of dilution and dispersion characteristics in near zone.Besides,CORMIX is relatively simple and cheap.In this paper,CORMIX is compared with the 2D model and physical model by simulating thermal plume of a coastal nuclear power plant.The results dem- onstrate that CORMIX is better than the 2D model and in good agreement with physical model in near zone,and CORMIX＇s applicability in coastal area is also discussed. CORMIX is the best simulating method for thermal plume in the area where shoreline is smooth and bottom topography is flat.

关 键 词：滨海核电厂 温排水 扩散器 CORMIX 

分 类 号：X834[环境科学与工程—环境工程]