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High winds in a typhoon over the ocean can produce substantial amounts of spray in the lower part of the atmospheric boundary layer, which can modify the transfer of momentum, heat, and moisture across the air-sea interface. However, the consequent effects on the boundary layer structure and the evolution of the typhoon are largely unknown. The focus of this paper is on the role of sea spray on the storm intensity and the structure of the atmospheric boundary layer. The case study is Typhoon Imbudo in July 2003. The results show that sea spray tends to intensify storms by increasing the sea surface heat fluxes. Moreover, the effects of sea spray are mainly felt in boundary layer. Spray evaporation causes the atmospheric boundary layer to experience cooling and moistening. Sea spray can cause significant effects on the structure of boundary layer. The boundary-layer height over the eyewall area east to the center of Typhoon Imbudo was increased with a maximum up to about 550 m due to sea spray, which is closely related with the enhancements of the heat fluxes, upward motions, and horizontal winds in this region due to sea spray. 相似文献
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杨瑾 《海洋与海岸带开发》2012,(9):102-105
在我国建设蓝色经济的同时,海洋腐蚀也在无时无刻威胁着海洋工程、船舶等的安全。文章通过对我国海洋腐蚀状况的分析及海洋工程防腐技术研发、实用的报道,提出在浪花飞溅区防腐刻不容缓以及我国海洋防腐产业亟待发展。 相似文献
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以5阶Stokes波作为破碎统计模型的原始波场, 重新导出了破碎水体体积和白冠覆盖率等统计量. 基于海浪破碎是海-气强交换过程中的重要控制机制这一观测事实, 主要开展了破碎过程对海-气热通量和水汽通量交换的影响研究, 导出了气泡在海面平均体积通量和浪花水滴海面谱分布的理论表达式, 建立了破碎气泡和浪花水滴热通量和水汽通量交换的物理模型, 为进一步深入研究海-气通量交换模式奠定了基础. 相似文献
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2004年在美国成功地进行了水下滑翔机“浪花”的试航。“浪花”是小型(长2m)的水下自动装置,它首次穿过了湾流。9月份“浪花”在美国东海岸某处被发射人海,11月在百慕大群岛以北发现了它。这样,该装置航行超过1000km,其速度为25~35cm/S。 相似文献
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作者回顾了近50年的科研工作生涯,特别是对海洋浪花飞溅区构筑物腐蚀防护的研究,以及我国浪花飞溅区腐蚀防护的重要事件,总结了相关工程经验。同时,对浪花飞溅腐蚀防护的未来前景进行了展望。 相似文献
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