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- evolution of flow field 流场演变
- The instantaneous axisymmetric flow field,the hydrodynamics characteristics of missile and the evolution of ventilated cavity are derived. 将通气空泡技术应用于导弹水下垂直发射出筒过程,通气空泡是高速航行体获得稳定空泡的一种重要技术。
- Fluid pressure signal validates result of flow field computation. 液体压力信号验证流场建模与计算的结果。
- The evolution of its groundwater flow field is closely related to the source of recharge and the mode of discharge,but this relation is blurred by the discharge from the upper reach reservoir. 大武水源地是我国北方罕见的特大型地下水水源地,其地下水流场的演变与补给来源、排泄方式有密切的关系,而上游水库的放水则使这种关系变得不明朗。
- Numerical simulation of flow field in an empty spray column used for wet flue gas desulfuration. 湿法脱硫喷淋塔空塔流场数值模拟。
- The design of flow field in aircraft cabins looks more and more important in the manufacture of battleplan and aerobus. 飞机座舱流场设计在军机和民用飞机的研制中显得越来越重要。
- The characteristic of flow field on the hydrofoil surface under different flow field parameters was tested using PIV. 利用PIV流场测试仪测试不同流场参数下翼型表面流场的流动特性;
- Air-core, as one of characteristics of flow field, has remarkable influence on separation performance of hydrocyclone. 摘要空气柱是固-液型旋流器流场中的一种特有现象,它对旋流器的分离性能有重要影响。
- The space program is the evolution of years of research. 太空计划是多年研究的发展结果。
- Flow characteristics of flow field in the header of a plate-fin heat exchanger were investigated with particle image velocimetry (PIV). 摘要利用粒子图像测速仪(PIV),对板翅式换热器封头结构改进前、后的流场进行了可视化研究分析。
- A concept of flow field with new meanings is introduced into study of secondary petroleum migration,and systematically clas-sified and characterized. 将赋予了新内涵的流场概念引入到油气二次运移研究中,对流场进行了系统分类和特征描述。
- Do you know about the evolution of a seed into a plant? 你知道从种子发展成为植物的过程吗?
- The optimization of flow field of quadripuntal SEN of mould of FTSC thin slab has been studied by applying the commercial program PHOENICS. 利用PHOENICS软件对FTSC薄板坯结晶器四孔浸入式水口形成的结晶器流场、冶金特点进行了优化研究,FTSC薄板坯采用四孔浸人式水口,出口流速小,使紊流和弯月面下速度减至最小。
- The results show that the structure and the involved process parameters of SEN affect the distribution of flow field and turbulent viscosity. 结果表明,浸入式水口结构及其工艺参数对结晶器内钢水流场分布及湍流粘度分布影响显著。
- The evolution of heat from the sun is inestimable. 从太阳中放射出的热是无法估计的。
- However, inlet, the first part of flow passage, works as a collector and guider.The flow field of inlet should be studied in detail. 进风口作为气体流动经过的第一个部件,起到了引流导流的作用,进口流场值得深入研究。
- We studied the evolution of flowers from seeds and buds. 我们研究从种籽和花蕾到花的成长过程。
- Visualization experiments of flow field of PDC bit were made by such experimental techniques as silk-thread showing and high-speed photography. 摘要在自行开发设计的PDC井下射流实验平台上,通过丝线法和高速摄影手段进行了PDC钻头井下流场结构的可视化实验。
- Abstract: Liquid sloshing phenomenon of flow field with obstacles is simulated based on the level-set method coupled with the conception of aperture in this paper. 文章摘要: 液体晃荡现象在诸多工程领域具有深刻的研究意义,并引起了广泛的关注。
- Evolution of zeolite synthesis was reviewed. 综述了沸石分子筛的合成和最新进展。