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FINITE ELEMENTAN ALYSIS FOR THE UNSTEADY NEARSHORECIR CULATION DUE TO WAVE-CURRENT INTER-ACTION(I)──NUMERICAL MODEL
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作者 吴伟雄 《Applied Mathematics and Mechanics(English Edition)》 SCIE EI 1994年第8期749-754,共6页
In lhis paper, a numerical model for predicting the unsteady nearshore circulationdue to wave-current interaction was proposed. In addition io the traditional continuity,momentunm and energy. equations, the dispers... In lhis paper, a numerical model for predicting the unsteady nearshore circulationdue to wave-current interaction was proposed. In addition io the traditional continuity,momentunm and energy. equations, the dispersion and refraction relations were includedin the governing equalions. Moreover, the effects of lateral shears, wind, radiation andbottom stresses were analysed in the governing equalions. Therefore, we expect thatthis model may more completely and exactly reflect the law of ware-currentinteraction. In part (II) we will adopt the selective lumping two-step explicit finite elementmethod to solve the model, and some examples will be presented. 展开更多
关键词 numerical model finite element method unsteady circulation nearshore circulationi. Introduction
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两步双循环太阳能直接蒸汽发电系统研究
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作者 戴晋文 王成龙 《电子世界》 2013年第23期104-105,共2页
本文首先对太阳能直接蒸汽产生(DSG)技术中集热器已有的三种水循环方式进行分析探讨,在此基础上提出了两步双循环方式的太阳能直接蒸汽产生技术。在本次研究中,集热系统采用较为成熟的槽式集热系统。集热管采用压力泵雾化器喷雾给水方式... 本文首先对太阳能直接蒸汽产生(DSG)技术中集热器已有的三种水循环方式进行分析探讨,在此基础上提出了两步双循环方式的太阳能直接蒸汽产生技术。在本次研究中,集热系统采用较为成熟的槽式集热系统。集热管采用压力泵雾化器喷雾给水方式,提高了集热管加热的效率,同时克服了水汽两相流问题以及很好的调整和平衡了不同时段内管道压力。 展开更多
关键词 两步双循环 DSG 饱和蒸汽 过热蒸汽 雾化器
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