The 3 dimensional k-ε turbulence model and hybrid finite analytic method are applied to calculate the concentration field for multiple jets in cross flow.
采用标准的ｋ－ε湍流模式，结合混合有限分析法预报了横流中多孔射流的浓度场特性，其成果是合理的。
This paper proposes a new type of aerostatic slider employing porous restriction, which can achieve a very high stiffness of more than 400 N/μm.
介绍了一种采用多孔质节流的新型空气静压导轨,其刚度可以达到400N/μm或者更高,具有这种刚度的空气静压导轨可以取代液体静压导轨,广泛应用于超精密机床中。
3-D numerical simulation and analysis on energy dissipation of multiple jets;
多喷孔射流的三维紊流数值模拟及消能分析
The submerged discharge sleeve valve with multiple jets is served as a new type of energy dissipater for pressure pipe, by which fluid energy of pipe outlet can be dissipated through entrainment and mixing of the high speed flow shot out from the multiple jets at multilevel into the plunge pool, in which strong turbulent flow can be produced.
本文采用RNG k ?ε紊流模型对管道出口多喷孔射流消能进行了三维数值模拟研究,研究喷孔的大小、数量、以及布置方式对该消能工消能效率的影响,并对喷孔的优化布置方式进行初步的探索。
The submerged porous sleeve valve is served as a new type of energy dissipater for pressure pipeline outlet, by which fluid energy of pipe outlet can be dissipated through entrainment and mixing of the high speed flow shot out from the multiple jets at multilevel into the plunge pool, in which strong turbulent flow can be produced.
本文在回顾前人研究的基础上,结合山西省万家寨引黄工程,对压力管道出口多喷孔射流消能的复杂流动进行了数值模拟和试验研究,主要研究内容和成果有:(1)从试验研究和数值模拟的角度出发,首次对压力管道出口多喷孔射流消能这种复杂体型流动进行了较系统的研究,取得了一些可供设计和进一步科研工作参考的研究成果。
Study on Energy Dissipation Characteristics of Multiple Jets and Its Applying for Pressed Water Pipeline Outlet;
压力输水管道出口多孔射流消能特性研究与工程应用
Influence on Multiport Buoyant Jet of Thermal Water at Different Velocity Ratio in Co-flowing
同流中不同流速比对多孔热浮射流的影响
Study on the Flow Mechanism and Heat Transfer Characteristics of the Multiple Turbulent Jet-to-Crossflow;
多孔横向紊动射流流动机理与传热特性的研究
Numerical Simulation of Multipie Thermal Water Buoyant Jets in the Near Field in Coflow;
同流中多孔热水浮射流近区的数值模拟
Investigation of characteristics of multi-ports thermal buoyant jet in co-flowing surroundings
同流多孔热水浮力射流排放特性实验研究
Design of Multijet for Large Scale Oxygen Lance of Converter and Its Feature of Supersonic Jet
大型转炉氧枪多孔喷头的设计与其射流特性
Mathematical Model of Velocity Distribution in Flow Field of Multijet for Large Scale Oxygen Lance
大型多孔氧枪喷头射流速度分布的数学模型
Emulsion Prepared by Two-Stage Ceramic Membrane Jet-Flow Emulsification and Preparation of Porous Ceramic;
二次射流陶瓷膜法制乳及多孔陶瓷的制备
Water removal from porous media by gas injection with X digital imaging
X射线成像辅助多孔介质内渗流烘干仿真实验
The Study on Mixing Characteristics of a Tandem Multiple Jet Group in Cross-flow;
横向流动条件下多孔水平动量射流掺混特性研究
3-D Numerical Simulation and Analysis on Energy Dissipation of Multiple Jets for Pipe Outlet;
输水管道出口多喷孔射流三维紊流数值模拟及消能分析
Research on Multiport Buoyant Jet of Thermal Water in Co-Flowing;
同流环境中多孔热水紊动浮射流特性数值模拟研究
Reflection of transvers waves on liquid-saturated visco-elastic porous medium;
流体饱和标准线性粘弹性多孔介质中平面横波的反射
Experimental Study on the Law of Jetting Boost Pressure in Hydrajetting
水力喷射孔内射流增压规律试验研究
Research on Fluid Dynamical Characteristics of Multi-hole Orifice Plate in Hydraulic Cavitation
水力空化多孔孔板流体力学特性研究
PORESCALE SPH SIMULATION OF FLOW IN POROUS MEDIA
多孔介质中流体输运的孔尺度SPH模拟
Investigation of velocity fields in a jet-in-cross-flow by using ridge-shaped tabs
气膜孔内置扰动条作用下的射流-横流流场
Experimental Study on Rock Breaking Parameters of Combined Swirling and Round Jet
直旋混合射流破岩钻孔参数试验研究