详细信息
阀用软填料横向同性等温粘弹力学行为的分析
Analysis of isothermal viscoelastic mechanical behavior in transversely isotropic soft packing for valve
文献类型:期刊文献
中文题名:阀用软填料横向同性等温粘弹力学行为的分析
英文题名:Analysis of isothermal viscoelastic mechanical behavior in transversely isotropic soft packing for valve
作者:周昭军[1];蔡仁良[1]
机构:[1]华东理工大学化机研究所,上海200237
年份:2000
期号:6
起止页码:19
中文期刊名:阀门
外文期刊名:VALVE MAGAZINE
收录:北大核心:【北大核心1996】;
语种:中文
中文关键词:软填料;密封;横向同性;粘弹性;阀门;力学模型
外文关键词:soft packing;seals;transversely isotropic;isothermal;viscoelasticity
摘要:在阀用软填料密封中 ,流体的泄漏量与压紧软填料时产生的侧向压力密切相关。作者基于对软填料性能的研究 ,把软填料假设为横向同性的粘弹性固体 ,并利用边界条件求出了其解析解。将W .Ochonski的实验结果用于本分析 ,表明该解析解可以客观地描述软填料的力学性能。通过变化软填料的材料、截面尺寸和有效变形高度等 ,可对软填料的力学性能进行适当的调整。
Soft packing for valve is regarded as transversely isotropic viscoelasticity,according to these equations and boundary condition,analytic solutions are obtained.Compared with W.Ochonski's experiments,it seems that mechanical behaviors can be described by analytic solutions,and mechanical behaviors can be adjusted by accommodating material and section.
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