The dynamic similarity among three solar chimney models is analyzed,and the infinite volume method was used to validate the similarity among dimensionless parameters of these models.
分析模型间的动力相似性能,并用有限体积法数值验证3个模型的无量纲参数的相同规律。
Based on the requirement of resistance similarity,similarity scales of sediment movement were derived and unified,such as those of bed material size,suspended material size,rate of transport of bed load and concentration of suspended load.
根据阻力相似要求,导出泥沙运动相似比尺,如床沙起动粒径比尺,悬沙粒径比尺,推移质输沙率比尺和悬移质含沙量比尺等。
In similarity of flow motion,the velocity scale in gravity similarity is not consistent with the one in resistance similarity,and the resistance is related to grain size and flow.
在水流运动相似条件中弗氏数相似和阻力相似的流速比尺形式不一致,且水流阻力是床沙粒径和水流强度的函数;在泥沙运动相似中有关粒径比尺形式也不一致,而且它们又与水流条件有关,错综复杂,使得泥沙粒径比尺的确定难度很大,不得不根据研究问题的性质对基本相似条件有所侧重和取舍,选取主要的作为设计依据,次要的允许有一定偏离。
In the river sediment model with a movable bed, there are two key problems which are how to think about interaction of water and sediment and how to proceed the large distorted roughening to meet resistance similarity.
在河流动床泥沙模型中,如何考虑水沙之间的相互作用,以及在模型动床上如何进行大变态加糙,以满足河流阻力相似,一直是难以解决的两个关键问题。
This study introduced the tidal current simulation of the physical model on cooling water engineering of Zhanjiang Aoli power plant,and compared the tidal current and thermal similarity verification with the data of field observation.
介绍了湛江奥里油发电厂冷却水工程物理模型试验的潮流模拟,并通过原体观测资料对模型的流场和热力相似性进行了验证,其成果为进一步对电厂相关问题进行物理模型研究提供了保证。
A Dynamic Similitude Scheme for Tropical Cyclone Quantitative Precipitation Forecast
热带气旋定量降水预报的动力相似方案
Study on turbulence and resistance similarity of distorted river models with sediment transport and movable bed
变态动床泥沙模型紊动相似和阻力相似研究
have a like power of strong propulsion, but soon tire.
有相似的巨大推动力，但很快会疲劳。
Hydrodynamic Simularity for Fluidized Beds with Coarse Particle;
大颗粒流化床床层动力学相似性研究
The positive phase dynamic impulse can be defined by a similar expression.
正周相动力冲量的定义可以用类似的式子表示。
Similarity Theory Deduction of Train Aerodynamic Drag Experimental Formulas
列车气动阻力经验公式的相似理论推导
The Solution of Kinetic Equation and the Analysis of Self-preserving of Coagulation;
混凝动力学方程的数值求解及自我相似分析
Study on the Similarity Theory of Dynamic Effect Experiment of Coal and Gas Outburst
煤与瓦斯突出动力效应实验的相似关系探讨
Similarity of high-order cumulants for single molecule kinetics
单分子体系动力学的高阶累积量相似性
Dynamic Similarity Analysis of Complex Electromechanical System Based on Bond Graph
基于键合图的复杂机电系统动力学相似分析
The Research on Similitude Problem of Structural Dynamic Models and Technology of Structural Dynamic Tests;
结构动力模型相似问题及结构动力试验技术研究
A similarity dynamics equation and a relative dynamics equation of an elastic rotation shaft with twin sides based on the theory of relativity are built in this paper.
基于相对论性原理建立了二端面弹性转轴的动力学方程、对动力学方程及相似动力学方程。
Optimization Design of Double-front Axle Steering System and Power-train of Automobile and Research on Similarity;
汽车双前桥转向系与动力传动系的优化设计及相似性研究
The bifurcation of a kind of relative rotational dynamic equation with hysteresis and its approximate solution
一类滞后相对转动动力学方程的分岔特性及其解析近似解
Stability and approximate solution of a relative-rotation nonlinear dynamical system with coupled terms
耦合相对转动非线性动力系统的稳定性与近似解
Extruding dies act in a corresponding manner in displacing the Body of the metal under direct pressure.
挤压模以相似的方式,在直接的压力下使金属体移动。
It is clear that for non-concurrent force systems, similar statements could be made with regard to rotations.
可清楚地看出对于非共点力系考虑转动时也可以作出相似的结论。
Human intelligence it is millions of year old but it never seem to act its age.
人类的智力—年纪虽有几百万岁，为其行动似与其年纪绝不相称。