淹没射流破土分析与模拟的ALE 方法和实验的对比

来源 :机械设计与制造工程 | 被引量 : 0次 | 上传用户:zyzy828
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
为研究淹没射流破土的机理和条件,从冲坑形态、冲坑深度等方面进行ALE方法数值模拟和实验模拟。结果表明,ALE方法得出的冲坑形态与冲坑深度和实验结果基本一致,且冲坑发展呈线性变化,与实际情况相同,说明采用ALE方法描述淹没射流破土分析是可行的。
其他文献
ZnO films with low resistivity and high transmittance in the visible optical region were deposited on GaAs and glass substrates by MOCVD at atmospheric pressure
In this paper, fixed-orderl1-control for systems with time-delay is studied, and sufficient conditions for solvability of state-feedback l1-control and dynamic
The behavior of rare earth element Ce in 2090 Al-Li alloys was studied by the method of low frequency internal friction.The results showed that rare earth eleme
In this paper, we propose a modified evolutionary programming with dynamic domain for solving nonlinear IP/MIP problems with linear constraints, without involvi
In this paper, it is supposed that the B&B algorithm finds the first optimal solution after h nodes have been expanded and m active nodes have been created in t
Microwave radiation was employed as a pretreating technology to oxidise a refractory gold ore. Heating characteristics showed that, in an identical microwave fi
在Al3+浓度0.6 mol·L-1、反应温度60℃和pH=9条件下,研究了硫酸铝滴定氨水(酸滴碱法)、氨水滴定硫酸铝(碱滴酸法)、pH摆动法和并流法成胶方式对共沉淀法制得的拟薄水铝石物化性能
以离子液体[ hnmp]HSO4为催化剂,4A分子筛为脱水剂,无水乙醇为带水剂,月桂酸和无水乙醇为原料合成香料月桂酸乙酯,采用FT-IR和GC-MS等对产物结构进行表征。在单因素实验基础上,通
Comparing with other NOx and SO2 control technologies, in-bed reducing NOx and SO2 simultaneously during coal combustion may lower the investment and operation
为从昆虫来源的放线菌次级代谢产物中寻找药物先导分子,对铜绿金龟子幼虫肠道链霉菌Streptomyces sp.BCa1菌丝体化学成分进行了研究。通过活性跟踪,从其菌丝体的氯仿甲醇萃取