CIMS论文的天地

基于ANSYS CFX的棉花马克隆值的建模与仿真

注意：本论文已在《纺织学报》2020,41(7):29-34. 上发表
使用者请注明论文出处

张梦阳1,陈晓川1,汪军2,李勇3
(1.东华大学机械工程学院 上海 201620
2. 东华大学 纺织学院, 上海 201620;
3. 塔里木大学 机械电气化工程学院, 新疆 阿拉尔 843300 )

摘要：为探究棉花马克隆值与棉花质量关系紊乱的原因，取棉纤维的平均直径和成熟度为自变量，推导棉纤维气流仪工作的原理方程。选择6种棉花进行实验，先测量棉花在等压差、等密度情况下的入口流量和马克隆值，再采用中段称重法和显微镜法分别测量棉花的细度和成熟度，将该值与公式计算的流量值进行比较，结果表明等压差下通过气流入口的流量值与棉纤维成熟度和直径乘积的平方大致成正比。仿照棉纤维的结构，根据直径和成熟度构造棉纤维透气性模型，利用ANSYS CFX仿真软件进行仿真。仿真结果与实验值的最大相对误差为7.92%，证明了该模型的有效性，为修正棉纤维的Kozeny-Carman常数、进一步提高计算准确率奠定了基础。
关键词：棉纤维；马克隆值；平均直径；成熟度；ANSYS CFX仿真

基于ANSYS CFX的棉花马克隆值的建模与仿真
ZHANG Mengyang1, CHEN Xiaochuan1,WANG Jun2 , LI Yong3
(1. College of Mechanical Engineering, Donghua University, Shanghai 216020, China; 2. College of Textiles, Donghua University, Shanghai 216020, China; 3. College of Mechanical and Electronic Engineering Tarim University，Alar，Xinjiang 843300，China)

Abstract：In order to explore the reason of the disorder between cotton micronaire value and cotton quality, I deduced the working principle equation of cotton fiber airflow meter by taking the average diameter and maturity of cotton fiber as independent variables.Firstly, I measured the flow rate of cotton and micronaire value under the condition of equal pressure and density. Then,I measured the fineness and maturity of six different kinds of cotton by mid-section weighing method and microscopy method respectively. The value was compared with the flow rate calculated by the formula. The results show that the flow through the air inlet is approximately proportional to the square of the product of maturity and diameter of cotton fibers under constant pressure difference.The permeability model of cotton fibers was constructed by imitating the structure of cotton fibers. According to diameter and maturity,the simulation was carried out by using ANSYS CFX simulation software. The maximum relative error between simulation results and experimental values is 7.92%, which proves the validity of the model. It lays a foundation for modifying the Kozeny-Carman constant of cotton fibers and improving the accuracy of calculation.
Key words:cotton fiber; micronaire value; average diameter; maturity; ANSYS CFX simulation

1、浏览PDF格式全文需要使用软件－－Abode Acrobat(由于软件较大并常见,我站不提供下载)

2、下载论文全文请点击鼠标右键“另存为”或使用断点续传软件下载(2456KB)

1、 Finite element analysis of cotton ginning state based on ANSYS
2、Finite element analysis of cotton serrated ginning state based on three-dimensional braided modeling
3、面向碳碳复合材料的激光和水射流组合制孔工艺仿真建模和实验研究
4、碳碳复合材料的水射流钻孔技术研究
5、Finite element analysis modeling research on the compression process of cotton fiber assembly
6、锯齿轧花中含棉籽棉朵模型的构建与有限元模拟

　更多相关论文请点击本站的<<<站内全文搜索>>>查找

>>>>参加更多投票调查请点击！