基于Fe-safe螺杆泵定子橡胶疲劳裂纹形成寿命预测
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摘要
采油用螺杆泵橡胶定子为研究对象,通过对定子橡胶材料的进行伸张疲劳试验,建立定子橡胶的S-N曲线;对螺杆泵进行力学特性分析,确定在靠近高压腔室螺旋密封带上螺杆泵最易发生疲劳失效;利用Fe-safe对螺杆泵定子橡胶进行疲劳裂纹形成寿命进行预测研究,确定螺杆泵定子橡胶各段模型的最小疲劳裂纹形成寿命和安全系数和随腔室压力的关系,即随腔室压力升高而下降,并拟合得到橡胶定子疲劳裂纹形成寿命与腔室压力的关系式。
The rubber stator of PCP used for oil recovery is studied in this paper,Through the fatigue tension test of stator rubber material,establish of stator rubber S-N curve; The analysis of the finite element mechanical properties of PCP,determine the most likely fatigue failure position of screw pump is near the high pressure chamber spiral sealing belt; Prediction of fatigue crack formation life of stator rubber of PCP by Fe-safe,determine the the minimum fatigue crack formation life and safety factor of each model of the stator rubber of PCP,and it decreases with the increase of chamber pressure,And the relation between the fatigue crack formation life and the chamber pressure of the rubber stator is obtained.
The rubber stator of PCP used for oil recovery is studied in this paper,Through the fatigue tension test of stator rubber material,establish of stator rubber S-N curve; The analysis of the finite element mechanical properties of PCP,determine the most likely fatigue failure position of screw pump is near the high pressure chamber spiral sealing belt; Prediction of fatigue crack formation life of stator rubber of PCP by Fe-safe,determine the the minimum fatigue crack formation life and safety factor of each model of the stator rubber of PCP,and it decreases with the increase of chamber pressure,And the relation between the fatigue crack formation life and the chamber pressure of the rubber stator is obtained.
引文
[1]王明起.螺杆泵定子力学特性及疲劳寿命研究[D].大庆:东北石油大学,2015:12-40.WANG Ming Qi,Research on mechanical characteristics and fatigue life of screw pump stator[D].Daqing:Northeast University of Petroleum,2015:12-40(In Chinese).
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[6]王小莉,上官文斌,李明敏,等.不同超弹性本构模型和多维应力下开裂能密度的计算方法[J].工程力学,2015(04):197-205.WANG Xiao Li,SHANGGUANG Wen Bin,LI Ming Min,et al.Different hyperelastic constitutive models and multidimensional Calculation method of crack energy density under stress[J].Engineering mechanics,2015(04):197-205(In Chinese).
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[8]张天华,王伟.橡胶疲劳寿命的有限元分析与实验研究[J].弹性体,2017(02):10-14.ZHANG Tian Hua,WANG Wei.Finite element analysis and experimental study of rubber fatigue life.[J].China Elastomerics.2017(02):10-14(In Chinese).
[9]曾宪奎,苗清,郝建国,等.基于ABAQUS/FE-SAFE的动车组橡胶地板减振器疲劳寿命研究[J].弹性体,2016,26(05):49-53.ZENG Xian Kui,MIAO Qing,HAO Jianguoet.Fatigue life of EMU’s rubber floor absorbers based on ABAQUS/FE-SAFE.[J].China Elastomerics.2016,26(05):49-53(In Chinese).
[10]Shangguan W,Wang X,Deng J,et al.Experiment modeling of uniaxial tension fatigue performances for filled natural rubbers[J].Materials&Design.2014,58(6):65-73.
[11]DIZON E S,HICKS A E,CHIRICO V E.The effect of carbon black parameters on the fatigue life of filled rubber compounds[J].Rubber Chemistry and Technology,1974(47):231-249.
[12]Persson B N J,Volokitin A I.Theory of rubber friction:Nonstationary sliding[J].Physical Review B,2002,65(13):134106.
[13]韩国有,赵毅,杜秀华.采油螺杆泵三维有限元模型分析[J].大庆石油学院学报,2010,34(5):110-113.HAN Guo You,ZHAO Yi,DU Xiu Hua.Three dimensional finite element model of oil extraction screw pump[J],Journal of Daqing Petroleum Institute,2010,34(5)(In Chinese).
[14]曹婷婷.橡胶疲劳寿命的有限元分析研究[D].广州:华南理工大学,2014:31-32.CAO Ting Ting.Finite element analysis of the fatigue life of rubber[D].Guangzhou:Institutes of Technology of South China,2014:31-32(In Chinese).
[15]汪艳萍,陈旭,余伟炜.橡胶多轴疲劳研究进展[J].机械强度,2010,32(03):466-471.WANG Yan Ping,CHEN Xu,YU Wei Wei.Research advances in multiaxial fatigue of rubber[J].Journal of Mechanical Strength,2010,32(03):466-471(In Chinese).
[2]MARS W V,FATEMI A.Fatigue crack nucleation and growth in filled natural rubber[J].Fatigue Fract.Engng.Mater.Struct.,2003(26):779-789.
[3]Zarrin Ghalami T,Fatemi A.Cumulative fatigue damageand life prediction of elastomeric components[J].&Fracture of Engineering Materials&Structures,2013,36(3):270-279.
[4]Verron E,Andriyana A.Definition of a new predictor for multiaxial fatigue crack nucleation in rubber[J].Journal of the Mechanics and Physics of Solids.2008,56(2):417-443.
[5]潘宇,何云峰,何志兵.一种橡胶衬套静态特性仿真及实验分析[J].机械强度,2015,37(06):1052-1056.PAN Yu,HE Yun Feng,HE Zhi Bing.Static characteristics analysis of a rubber bushing with FEM simulation and experiment.[J].Journal of Mechanical Strength,2015,37(06):1052-1056(In Chinese).
[6]王小莉,上官文斌,李明敏,等.不同超弹性本构模型和多维应力下开裂能密度的计算方法[J].工程力学,2015(04):197-205.WANG Xiao Li,SHANGGUANG Wen Bin,LI Ming Min,et al.Different hyperelastic constitutive models and multidimensional Calculation method of crack energy density under stress[J].Engineering mechanics,2015(04):197-205(In Chinese).
[7]李凡珠,刘金朋,杨海波,等.橡胶材料单轴拉伸疲劳寿命预测的有限元分析[J].橡胶工业,2015(07):439-442.LI Fan Zhu,LIU Jinpeng,YANG Hai Bo,et al.Finite element analysis on fatigue life prediction for rubber material under uniaxial tension.[J].China Rubber Industry.2015(07):439-442(In Chinese).
[8]张天华,王伟.橡胶疲劳寿命的有限元分析与实验研究[J].弹性体,2017(02):10-14.ZHANG Tian Hua,WANG Wei.Finite element analysis and experimental study of rubber fatigue life.[J].China Elastomerics.2017(02):10-14(In Chinese).
[9]曾宪奎,苗清,郝建国,等.基于ABAQUS/FE-SAFE的动车组橡胶地板减振器疲劳寿命研究[J].弹性体,2016,26(05):49-53.ZENG Xian Kui,MIAO Qing,HAO Jianguoet.Fatigue life of EMU’s rubber floor absorbers based on ABAQUS/FE-SAFE.[J].China Elastomerics.2016,26(05):49-53(In Chinese).
[10]Shangguan W,Wang X,Deng J,et al.Experiment modeling of uniaxial tension fatigue performances for filled natural rubbers[J].Materials&Design.2014,58(6):65-73.
[11]DIZON E S,HICKS A E,CHIRICO V E.The effect of carbon black parameters on the fatigue life of filled rubber compounds[J].Rubber Chemistry and Technology,1974(47):231-249.
[12]Persson B N J,Volokitin A I.Theory of rubber friction:Nonstationary sliding[J].Physical Review B,2002,65(13):134106.
[13]韩国有,赵毅,杜秀华.采油螺杆泵三维有限元模型分析[J].大庆石油学院学报,2010,34(5):110-113.HAN Guo You,ZHAO Yi,DU Xiu Hua.Three dimensional finite element model of oil extraction screw pump[J],Journal of Daqing Petroleum Institute,2010,34(5)(In Chinese).
[14]曹婷婷.橡胶疲劳寿命的有限元分析研究[D].广州:华南理工大学,2014:31-32.CAO Ting Ting.Finite element analysis of the fatigue life of rubber[D].Guangzhou:Institutes of Technology of South China,2014:31-32(In Chinese).
[15]汪艳萍,陈旭,余伟炜.橡胶多轴疲劳研究进展[J].机械强度,2010,32(03):466-471.WANG Yan Ping,CHEN Xu,YU Wei Wei.Research advances in multiaxial fatigue of rubber[J].Journal of Mechanical Strength,2010,32(03):466-471(In Chinese).