液压与气动系统内流体数值预测的研究(之二)——管路内非恒定流动态特性和紊流的数值解法及应用实例  

RESEARCH ON NUMERICAL PREDICTION OF FLUID IN HYDRAULIC AND PNEUMATIC SYSTEMS(Part 2) -NUMERICAL SOLUTIONS FOR DYNAMIC CHARACTERISTICS OF UNSTERADY FLOW AND TURBULENT FLOW IN PIPELINES AND THEIR APPLICATION CASES

作　　者：何永森[1] 刘邵英[1] 

机构地区：[1]长沙矿山研究院

出　　处：《长沙矿山研究院季刊》1990年第2期24-24,共1页

摘　　要：本文根据上期登载的“液压与气动系统内流体数值预测的研究(之一)”,对液压伺服系统弯曲管路、异径管路和复杂管路内的脉动流和液压系统直管路内的过渡流以及渐扩管内的紊流所提出的各种数学模型或仿真模型,分别建立了一系列数值解法,编制了相应的仿真程序,介绍了用数字计算机进行了数值预测计算。通过应用实例,将计算结果与实验结果进行比较,验证了所用的各种处理方法的有效性,给出了各数值解法和仿真程序的预测性能。For pulsating flow in curved, different diameter or complicated pipelines in hydraulic servo systems, transition flow in straight hydraulic pipeline systems and turbulent flow in flare pipelines, various mathematical of simulation models were proposed in part one of the paper(See last issue, under the same title). In part two, the paper continues presenting series of numerical solution for all these models respectively,working out relevant simulation programs and introducing numerical predication calculation with digital computer. Finally, through application cases, comparison is made between calculation and test results, to verify the effectiveness of all treatment methods, and give out the predictability of the numerical solutions and simulation programs.

关 键 词：液压系统 气动系统 管路 非恒定流 

分 类 号：TH137.86[机械工程—机械制造及自动化]