The WAG Platform Structural Effects Study-猫眼课题宝

WAG 平台结构效应研究

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2011

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作者：

G. Jeans;Robert T. Johnson

本文介绍了一个详细的调查结构效应的风在海上平台上测量。在西非区域，狂风主导着极端风况。西非阵风（WAG）联合工业项目的启动是为了提供关键的新数据，以支持工程设计。WAG的飑线测量系统是经过精心设计的，它能准确地观测到飑线的水平和垂直结构。在刚果海上平台的不同位置共安装了8个风速计。该应用要求在不同位置测量的风速差异具有高置信度。利用现场数据对平台结构效应进行了深入研究，并得到了独立风洞试验的支持。本文将解释如何有效地使用风洞结果来量化每个关键风速计位置的结构污染，对于整个入射风向范围。风洞试验结果用现场数据得出的经验结构修正系数进行了验证。该研究成功地建立了测量数据所需的高置信度，因此可以为工程设计描述飑线结构。© 2011 ASME

This paper describes a detailed investigation into structural effects on wind measured on an offshore platform. Squalls dominate the extreme wind regime in the West Africa region. The West Africa Gust (WAG) Joint Industry Project was initiated to provide critical new data to support engineering design. The WAG squall measurement system was carefully designed to characterise the horizontal and vertical structure of squall winds. A total of 8 anemometers were installed at various locations on a platform offshore Congo. This application required a high level of confidence in wind speed differences measured at separate locations. An intensive investigation into platform structural effects was undertaken using the in-situ data, supported by independent wind tunnel testing. This paper will explain how the wind tunnel results were effectively used to quantify structural contamination at each key anemometer location, for the full range of incident wind directions. The wind tunnel results were verified using empirical structural correction factors derived from the in-situ data. The study successfully established the required high level of confidence in the measured data, so that squall structure could be characterised for engineering design.© 2011 ASME

The WAG Platform Structural Effects Study

WAG 平台结构效应研究

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