Di Chengrui, Zhu Bo, Guo Xiangji, Yu Junwei, Zhao Yanbin, Qiao Kun
School of Materials Science and Engineering, Shandong University, Ji'nan 250061, China.
Shandong Special Equipment Inspection and Testing Group Co., Ltd., Ji'nan 250101, China.
Materials (Basel). 2023 Mar 29;16(7):2713. doi: 10.3390/ma16072713.
The large thickness COPV is designed by netting theory and the finite element simulation method, but the actual performance is low and the cylinder performance still cannot be improved after increasing the thickness of the composite winding layer. This paper analyzes the reasons for this and puts forward a feasible solution: without changing the thickness of the winding layer, the performance of COPV can be effectively increased by increasing the proportion of annular winding fiber. This method has been verified by tests and is supported by theory.
大厚度复合材料高压气瓶(COPV)是采用编织理论和有限元模拟方法设计的,但实际性能较低,在增加复合缠绕层厚度后气瓶性能仍无法提高。本文分析了其原因并提出了一种可行的解决方案:在不改变缠绕层厚度的情况下,通过增加环形缠绕纤维的比例可有效提高COPV的性能。该方法已通过试验验证且有理论支持。