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白令海潮汐能通量和底边界能耗散 总被引:1,自引:0,他引:1
The spatial distribution of the energy flux, bottom boundary layer (BBL) energy dissipation, surface elevation amplitude and
current magnitude of the major semidiurnal tidal constituents in the Bering Sea are examined in detail. These distributions
are obtained from the results of a three-dimensional numerical simulation model (POM). Compared with observation data from
seven stations, the root mean square errors of tidal height are 2.6 cm and 1.2 cm for M2 and N2 respectively, and those of phase-lag are 21.8° and 15.8° respectively. The majority of the tidal energy flux off the deep
basin is along the shelf edge, although some of this flux crosses the shelf edge, especially in the southeast of the shelf
break. The total M2 energy dissipation in the Bering Sea is 30.43 GW, which is about 10 times of that of N2 and S2. The semidiurnal tidal energy enters mainly to the Bering Sea by Samalga Pass, Amukta Pass and Seguam Pass, accounting more
than 60% of the total energy entering the Being Sea from the Pacific. 相似文献
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针对连续式渗碳炉在生产过程中出现某些工件渗碳层深度不均匀现象,进行了一些调查和实验,发现工件在机械加工成形时,残留在表面的油污以及表面状态对随后渗碳过程有很大影响。因而工件在渗碳前进行处理就显得尤为重要。研究表明:表面预氧化处理工艺是解决渗层不均的一种行之有效的方法,且温度控制在450 ̄500℃范围内。 相似文献
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