纤维缠绕超高压容器承载特性研究
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摘要
为分析传统材料超高压压力容器笨重的缺陷,提出纤维缠绕超高压前混合磨料罐的设计方式。通过网格理论设计方法分析筒身段和封头段纤维铺层力学特性,计算出磨料罐筒身段及封头段缠绕纤维厚度及缠绕角。通过solidworks软件建立磨料罐三维模型,运用ANSYS软件对纤维缠绕超高压前混合磨料罐的有限元进行分析,分析其纤维铺层的主要应力、应变情况。优化磨料罐上罐口结构,并与传统结构磨料罐的结果进行对比分析。结果表明:相比于传统合金钢制成的超高压磨料罐,纤维缠绕超高压前混合磨料罐的质量减轻一半以上,提升了前混合磨料射流装置的便携性;优化上罐口结构后,纤维铺层的应力、应变数值变化更加稳定。
In order to solve the heavy problem of the ultra high pressure vessel made of traditional material,and the design method of ultra?high pressure pre?mixed abrasive tank with fibre winding was proposed. Through the grid theory design method,the mechanical properties of the fiber layer in barrel section and the head section were analyzed,and the fibre?wound thickness and fibre?wound angle were calculated. The three?dimensional model of the abrasive tank was established by solid works software,and the finite element analysis was carried out by ANSYS software to analyze the main stress and strain of the fiber layer. After optimizing the structure of the upper jar of abrasive tank,ANSYS software was used to analyze and compare with the results of traditional structure. The results show that compared with the ultra high pressure abrasive tank made of the traditional alloy steel,the mass of the ultra?high pressure pre?mixed abrasive tank with fibre winding is reduced by half,which promotes the portability of pre?mixed abrasive jet device. After optimizing the structure,the changes in stress and strain of the fiber layer are more stable.
In order to solve the heavy problem of the ultra high pressure vessel made of traditional material,and the design method of ultra?high pressure pre?mixed abrasive tank with fibre winding was proposed. Through the grid theory design method,the mechanical properties of the fiber layer in barrel section and the head section were analyzed,and the fibre?wound thickness and fibre?wound angle were calculated. The three?dimensional model of the abrasive tank was established by solid works software,and the finite element analysis was carried out by ANSYS software to analyze the main stress and strain of the fiber layer. After optimizing the structure of the upper jar of abrasive tank,ANSYS software was used to analyze and compare with the results of traditional structure. The results show that compared with the ultra high pressure abrasive tank made of the traditional alloy steel,the mass of the ultra?high pressure pre?mixed abrasive tank with fibre winding is reduced by half,which promotes the portability of pre?mixed abrasive jet device. After optimizing the structure,the changes in stress and strain of the fiber layer are more stable.
引文
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[2]OH T M,CHO G C. Characterization of effective parameters in abrasive waterjet rock cutting[J]. Rock Mechanics and Rock Engineering,2014,47(2):745-756.
[3]李宝玉,郭楚文,林柏泉.用于安全切割的磨料水射流喷嘴设计理论和方法[J].煤炭学报,2005(2):251-254.
[4]张洋凯,苗思忠,李长鹏,等.前混合磨料水射流喷嘴外流场磨料加速过程研究[J].流体机械,2017(8):29-32.
[5]李玉峰,靳庆臣,刘志栋.复合材料高压气瓶的碳纤维缠绕设计和ANSYS分析技术[J].推进技术,2013(7):968-976.
[6]周吉.纤维缠绕压力容器的强度分析和优化设计[D].武汉:华中科技大学,2015.
[7]钟厉,韩西,周上祺.纤维增强铝基复合材料研究进展[J].机械工程材料,2002(12):12-14.
[8]宋大君,王荣国,刘文博,等.航天用复合材料压力容器的应用与发展[J].宇航材料工艺,2010(6):24-26.
[9]冯雪,沈俊,田桂,等.复合材料压力容器在航天领域的应用研究[J].火箭推进,2014(4):35-42.
[10]KIM C U,KANG J H,HONG C S,et al. Optimal design of filament wound structures under internal pressure based on the semi?geodesic path algorithm[J]. Composite Structures,2005,67(4):443-452.
[11]赫晓东,王国荣,矫维成,等.先进复合材料压力容器[M].北京:科学出版社,2016:38-42.
[12]富宏亚,曹忠亮,杜霖,等. Bezier曲线变角度层合板设计及屈曲特性分析[J].复合材料学报,2017(8):1729-1735.
[13]舒明杰,祖磊,王继辉,等.内衬材料性能对碳纤维缠绕压力容器的轴向残余变形的影响[J].玻璃钢/复合材料,2016(1):5-9.
[14] LIANG Chochung,CHEN Hungwen,WANG Chenghuan.Optimum design of dome contour for filament?wound composite pressure vessels based on a shape factor[J]. Composite Structures,2002,58(4):469-482.
[15]彭晖,尚守平,金勇俊,等.预应力碳纤维板加固受弯构件的试验研究[J].工程力学,2008(5):142-151.
[16]冯消冰,吴任东,袁朝龙,等.预应力碳纤维缠绕制造重型压机机架的强度分析[J].复合材料学报,2017(9):2106-2113.