基于NOAA WOA 2018数据集数据,用Nihous方法评估2005—2017年南海、西沙群岛海域以及1955—2017年永兴岛海域温差能资源储量,分析温差能资源的时空变化特点。为符合永兴岛温差能电站选址要求,对永兴岛周边海域温差能资源分布和水深条件进行更具体的分析,选出8个温差能发电潜在站址,再结合温差能净功率、离岸距离及水深等因素,找出相对更适宜的4个站址,并对这些站址温差能发电的净功率年际变化加以分析。
Abstract
Based on NOAA WOA 2018 data set, the Nihous method was used to evaluate the ocean thermal energy conversion （OTEC） sources in the South China Sea, Xisha Islands and Yongxing Island from 2005 to 2017. In addition, the OTEC resources in Yongxing Island area from 1955 to 2017 was also assessed. Thereafter, the spatial and temporal variation characteristics of OTEC sources were analyzed. In order to meet the site selection requirements of power stations, the distribution of OTEC resources and water depth around Yongxing Island were analyzed specifically in detail, and eight potential power generation sites are selected. In terms of net power of OTEC, offshore distance and sea water depth, four relatively better sites were finally determined. The interannual variation and seasonal index variation of net power of ocean thermal energy generation at four sites were analyzed.
关键词
海洋温差能 /
资源评估 /
永兴岛 /
温差能电站选址
Key words
ocean thermal energy conversion（OTEC） /
resource assessment /
Yongxing Island /
site selection of thermal power station
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