文章摘要
王菲1,盛立芳1,刘甜甜1,刘贵杰2,冯舒文2,吕富良3,李杰3.平台障碍物对海气通量观测影响的数值分析[J].海洋气象学报,2018,38(2):12-19
平台障碍物对海气通量观测影响的数值分析
Numerical analysis of the influence of platform obstacles on air-sea flux observations
投稿时间:2018-03-13  修订日期:2018-04-08
DOI:10.19513/j.cnki.issn2096-3599.2018.02.002
中文关键词: 平台障碍物  CFD  涡动相关法  海气通量
英文关键词: platform obstacles  CFD  eddy correlation method  air sea flux
基金项目:海洋公益性行业科研专项(201505007)
作者单位
王菲1,盛立芳1,刘甜甜1,刘贵杰2,冯舒文2,吕富良3,李杰3 (1. 中国海洋大学海洋与大气学院山东 青岛 266100 2. 中国海洋大学工程学院山东 青岛 266100 3. 国家海洋局北海分局山东 青岛 266061) 
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中文摘要:
      基于计算流体动力学模型(CFD)模拟了背景风风速为2 m·s-1、4 m·s-1、6 m·s-1下通量观测平台周围的风场分布,确定了不同风速下平台障碍物对观测影响最小的风向范围。发现风速不同,平台对背景风的影响范围不同,风速越大,平台对背景风的影响越大。运用涡动相关法计算不同风向条件下的湍流通量,定量分析由于平台干扰对海气通量计算的影响,发现选取迎风条件下的数据计算得到的海气通量会比实际偏低。
英文摘要:
      Based on computational fluid dynamics model (CFD), the wind field distribution around the observation platform was simulated at the wind speed of 2 m·s-1, 4 m·s-1, and 6 m·s-1. The wind direction range with the least influence of platform obstacles under varied wind speed conditions was determined. It is found that the influenced range of the platform on the background wind differed due to varied wind speed conditions. The greater the wind speed, the greater the influence of the platform on the background wind. Turbulent flux under different wind directions was calculated by eddy correlation method, a quantitative analysis of influence of the platform interference on calculating air-sea flux. The results show that the air-sea flux calculated from observations under upwind is lower than that under side wind, which means the flux calculated from observations under upwind may be lower than the actual.
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