Via nonlinear dynamic FEM, using Hoffman failure criterion, some models of high pressure water jet cutting rock are built; and the process of high pressure water jet breaking rock is researched.
运用动态非线性有限元法和Hoffman破碎准则,研究了高压水射流破碎岩石的规律,提出了高压射流破碎岩石过程分为射流冲蚀破碎和锤冲破碎及两个临界压力的概念。
In last ten years, the technique of breaking rock using high pressure jet stream in assist of machinery was seen as one of simply approaches to enhance drilling speed in hard formations and deep wells.
近10年以来,机械辅助高压射流破岩技术再次获得钻井界高度重视,被认为是提高硬地层、深井机械钻速的根本途径之一。
Ultramicro-pulverization mechanism of high pressure jet homogenizer
高压射流均质机的超微粉碎机理研究
Study on Effects of High Pressure Air Spray on Turbocharged Automotive Diesel Engine;
高压射流补气对车用增压柴油机影响的研究
high pressure water jet drilling system
高压水射流钻井系统
Fracturing Mechanisms and Experiments Assisted with High Pressure Water Jets;
高压水射流辅助压裂机理与实验研究
Alternating-current high-voltage fuses--Expulsion fuse
GB15166.3-1994交流高压熔断器喷射式熔断器
A Study of High Pressure Water Jet Cutting Device and Cutting Test
高压水射流切割装置和切割试验研究
Study on the Design of Numerical Controller for Super High-Pressure Water-jet Cutter;
数控高压水射流切割机的研究与设计
CFD Simulation of High-Pressure Water Descaling Nozzle Jet Characteristic;
高压水除鳞喷嘴射流特性的CFD仿真
Investigation on Surface Strengthening of High Pressure Waterjet Peening;
高压水射流冲击材料表面强化的研究
Basic Study on the Theory and Technology of High-pressure Waterjet Machining;
高压水射流加工理论与技术基础研究
Research on Throttle Control System of High Pressure Water Jet Cleaning Machine;
高压水射流清洗机油门控制系统研究
Design of 140KV High-Voltage DC Power-supply for X-ray Tube;
X射线管用140KV高压直流电源的设计
Research on Experimental Performances of the Cutting and Extinguishing Equipment Based-on High-pressure Water-jet
高压水射流切割灭火装备的试验研究
Effect of high pressure microfluidization treatment on duck blood cells
高压微射流处理对鸭血血细胞的影响
Design of Ultra-high Pressure Water Jet Pump Package System for Hull Rust Removal
船舶除锈超高压水射流泵组系统设计
Effect of Ultra High Pressure Water Jet on the Effective Components of Rhizoma Gastrodiae
超高压水射流对天麻有效成分的影响
Application of high pressure water jet penetration perforation technology in Jiangsu Oilfield
高压水射流深穿透射孔技术在江苏油田的应用
Numerical Simulation for Pressure-relief Effect of Coal Slotting with High-pressure Water Jet
高压水射流煤层切槽卸压效果的数值模拟