【摘 要】
:
Stepped spillways have increasingly become a very important measure for flood discharge and energy dissipation. Therefore, the velocity, pressure and other char
【出 处】
:
Journal of Hydrodynamics(Ser.B)
论文部分内容阅读
Stepped spillways have increasingly become a very important measure for flood discharge and energy dissipation. Therefore, the velocity, pressure and other characteristics of the flow on the stepped spillway should be known clearly. But so far the study for the stepped spillway overflow is only based on the model test. In this paper, the stepped spillway overflow was simulated by the Reynolds stress turbulence model. The simulation results were analyzed and compared with measured data, which shows they are satisfactory.
Stepped spillways have increasingly become a very important measure for flood discharge and energy dissipation. Therefore, the velocity, pressure and other characteristics of the flow on the stepped spillway should be known clearly. But so far the study for the stepped spillway overflow is only based on the model test. In this paper, the stepped spillway overflow was simulated by the Reynolds stress turbulence model. The simulation results were compared and compared with the measured data, which shows they are satisfactory.
其他文献
如果说中国人十个有八个想做清官,那么看了电视连续剧《海瑞》以后,十个有两个就不错了。像我这种本来极有(做)清官欲的人,看了以后,没机会是不说了,倘有机会,究竟做不做,心
The reaction of pyrrole with 4-hydroxybenzaldehyde and 4-pyridinecarboxaldehyde afforded new porphyrin ligand 1. Treatment of I with copper(II ) acetate, cobalt
中原油田采油六厂开发区块因油层非均质性较为严重,渗流能力较差,采用ZY-Y341-114(原753-3)封隔器进行注水已无法满足分注的要求。而SL-Y341-115高压封隔器井下工作压差达到25MPa,比
设计了一种简单有效的折叠腔,采用具有部分透过率的平面反射镜作为谐振腔的腔镜,实现了激光的单路输出,提高了激光器输出的利用率,增强了激光器的实用性。利用计算机编程分析
目的观察思密达和羟氨苄青霉素联合治疗小儿急性感染性腹泻的疗效.方法以思密达治疗40例小儿急性感染性腹泻为对照组,观察口服思密达(1g~3g,3次/d)联合羟氨苄青霉素(0125g~05g,2~3次/d)治疗该病46例的疗效.结
作者为商丘师专化学系徐茂田、瞿鹏和黄华伟 ,全文发表于中国自然科学核心期刊《理化检验》(化学分册 ) 1999,35(8) :359~ 36 0。亚硝酸根是致癌物N—亚硝胺的重要前体 ,关于亚
Two new gallotannins, pistafolins A (l) and B (2), were isolated from the leaf extract of Pistacia weinmannifolia. Their structures were determined by spectral
多产异构烯烃的催化裂化新技术及多产异构烯烃的催化裂化催化剂两项成果于1997年4月8日通过了中国石油化工总公司技术鉴定。多产异构烯烃的催化裂化新技术,以常规催化裂化进料
2003年在重庆铁山坪森林土壤上一次性投加石灰石和菱镁矿,研究它们对酸化土壤的修复效果.对土壤和土壤溶液连续5 a化学变化的观测结果表明,投加碱性修复剂能提高土壤和土壤溶
Li 2+ x RE x Si 1- x O 3(RE=Pr, Nd, Sm, Gd; x =0~0 15) samples were prepared by the sol gel method. DTA TG, XRD, TEM and A C impedance