采矿与安全工程学报2011，Vol.28Issue(4)：623-627,5.
钻割一体化水力割煤磨料动态特征及参数优化
The Dynamic Characteristic of Abrasive and Its Parameter Optimization Based on the Drilling-Cutting Integration of High-Pressure Abrasive Water Jet
摘要
Abstract
The characteristic of high-pressure abrasive hydraulic cutting is analyzed and the stress and velocity of abrasive described. The phenomenon of water-fighting and passing through water band is proposed. This phenomenon weakens the ability of high-pressure abrasive hydraulic cutting. In order to avoid these disadvantages, the angle and the style of cutting are optimized. The experiments show that 62° is the best angle for the cutting. On this basis* a drill bit is designed. The field application indicates that the optimized measures are remarkable in increasing the ability of high-pressure abrasive hydraulic cutting and in enhancing the efficiency of gas extraction.关键词
参数优化/水射流/切割性能Key words
parameter optimization/water jet/ cutting performance分类
矿业与冶金引用本文复制引用
徐幼平,林柏泉,朱传杰,刘洋..钻割一体化水力割煤磨料动态特征及参数优化[J].采矿与安全工程学报,2011,28(4):623-627,5.基金项目
国家自然科学基金重点项目(50534090) （50534090）
国家重点基础研究发展计划(973)项目(2005CB221506) （973）
国家"十一五"科技支撑计划项目(2007BAK00168-1) （2007BAK00168-1）
煤炭资源与安全开采国家重点实验室自主研究课题项目(SKLCRSM08X03) （SKLCRSM08X03）
爆炸科学与技术国家重点实验室开放基金项目(KFJJ10-19M) （KFJJ10-19M）
煤炭资源与安全开采国家重点实验室开放研究基金项目(09KF09) （09KF09）
