Simulative experimental research and theoretic analysis on the characteristics of unfree inundation water-flow field and circular field in rock salt well water-mining have been done by glass equipment.
采用玻璃仪器对岩盐钻井开采井底非自由淹没射流场及循环场进行了模拟实验研究及理论分析。
By non-submerged water jet pressure rock breaking experiment through a nozzle with a centre cylinder, we find that when optimal standoff distance is between 1 dimensionless Dn and 2 dimensionless Dn, the effect of rock breaking is better than conventional non-submerged jet, which showing that nozzle wi
含中心体喷嘴空化水射流是空化射流的一种,本文在对含中心体喷嘴水射流充分调研的基础上,通过数值模拟和实验,研究水力参数及结构参数对含中心体喷嘴非淹没射流及其破岩效果的影响规律,并依据结果优化含中心体喷嘴结构参数。
4mm),this paper studied on the characteristics of non-submerged round jet,and made measurement of the length breakup of the jet.
4mm)进行了非淹没性圆射流特性研究,并做了射流断裂长度的测定。
Application of PIV for submerged jet in water cushion pool;
PIV技术在水垫塘实验模型淹没射流中的应用
Numerical simulation and study of energy dissipation for multilayer submerged Jet within a water cushion pool;
水垫塘多层淹没射流数值模拟及消能研究
The hot-film anemometer is applied to measure the time-average velocity and velocity fluctuation distributions of the submerged jet along its flow course at the bottom of scour pool.
为探讨挑射水流在冲坑内的基本特征与消能机理,首次利用热膜测速技术量测定床冲坑中淹没射流的沿程时均流速和脉动流速分布,并同时量测沿坑底的压强场,给出入射区、冲击区和壁射流区3个子区的流速和压强的变化规律;计算坝面摩阻消能、空中扩散消能和冲坑水垫中紊动剪切消能3部分的消能效率。
Study on Hydrokinetics of the Unsubmerged Premixed Abrasive Water Jet
前混合磨料的非淹没射流的水动力学研究
Modulation Study on Unsubmerged Cavitating Jet from Nozzle with a Centre Cylinder
含中心体喷嘴非淹没空化射流调制研究
Experimental Research on Parameters of Nozzle Slotted in Non-submerged High Pressure Swirling Jet
非淹没高压旋转水射流喷嘴割缝参数试验研究
Simulation and Experimental Validation on the Flow Field Inside and Outside the Nozzle of Non-submersed Precision Micro Abrasive Waterjet;
非淹没式精密微磨料水射流流场仿真及实验验证
Experimental Research of Metal Material in Submerged Abrasive Waterjet Cutting
淹没磨料射流切割金属材料特性分析
SIMULATION INVESTIGATION OF SUBMERGED JET FLOW FROM A STAR-SHAPED NOZZLE
淹没条件下星形喷嘴射流流动特点的模拟研究
There are many influence factors in submerged abrasive waterjet erosion performance.
影响淹没磨料射流冲蚀性能的因素很多。
Study on Relationship between Solid Particles and Bubble in Submerged Water Jets;
淹没射流中磨料与空泡的相互关系研究
Experimental & Numerical Study on the Characteristics of the Plunging Pressure Caused by Submerged Plunging Jet with High Velocity;
高速淹没射流冲击压强的试验和数值模拟研究
The Numerical Simulation Analysis and Experimental Research on Submerged AWJ;
淹没条件下磨料射流数值仿真分析及实验研究
Experimental study on cutting performance by of ultrahigh pressure abrasive waterjet in submerged environment
淹没状态下超高压磨料水射流切割实验研究
Numerical Simulation of Flow Field in Cylindrical Chamber Injection Allocation with Submerged Jet
带有淹没射流的圆柱腔室分层配注器中流场的数值模拟
Numerical Solution for Vertical Profile of Velocity in Flow Through Emergent Rigid Vegetation Based on Mixing Length Model
基于掺长模型非淹没刚性植被水流流速垂向分布的数值解
River often overflow their bank.
河流常常淹没河岸。
suspended bowl submersible mixed flow pump
吊碗型淹没式混流泵
The farm was engulfed in drifting sands.
该农场被流沙淹没了。
Experimental research of ultra-high pressure abrasive waterjet cutting rock in submerged environment
淹没条件下超高压磨料水射流切割岩石的实验研究
Experimental study on effect of submerged abrasive waterjet on cutting efficiency of metal material
淹没磨料射流对金属材料切割性能影响的实验研究