| JWF-A型并条机吸风系统气流流场的数值仿真 |
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| 引用本文： | 谢永奇,高红霞,余建祖,赵然.JWF-A型并条机吸风系统气流流场的数值仿真[J].纺织学报,2009,30(9):109-114. |
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| 作者姓名： | 谢永奇 高红霞 余建祖 赵然 |
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| 作者单位： | 北京航空航天大学航空科学与工程学院,北京,100191 |
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| 摘 要： | 为解决JWF-A型并条机吸风系统在生产中存在的问题，采用数值仿真方法分析影响该吸风系统的气流流场、压力场分布和各个吸风口流量大小的因素，并从吸风系统结构参数入手，提出4种改进方案，研究补风口位置与尺寸、风道结构、吸风口开度等对吸风系统流场、压力场和风量大小的影响。仿真计算应用非结构化网格和有限体积法进行计算区域和控制方程的离散，采用标准k-ε模型封闭湍流控制方程。计算结果与实测结果表明：该吸风系统吸风量不足；吸风管道结构不变，补风口位置与尺寸、吸风口开度的变化对系统性能改进作用不大；提出的风道改进方案的吸风量相对于原方案有较大提高，吸风量可以满足要求。
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| 关 键 词： | 并条机 吸风系统 流场 数值仿真 |
| 收稿时间： | 1900-01-01; |
Numerical simulation of air flow field in suction system of JWF-A drawing frame |
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| XIE Yongqi,GAO Hongxia,YU Jianzu,ZHAO Ran.Numerical simulation of air flow field in suction system of JWF-A drawing frame[J].Journal of Textile Research,2009,30(9):109-114. |
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| Authors: | XIE Yongqi GAO Hongxia YU Jianzu ZHAO Ran |
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| Affiliation: | School of Aeronautic Science and Technology;Beihang University;Beijing 100191;China |
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| Abstract: | To solve the existing problems of the suction system of the JWF-A drawing frame during production,numerical simulation method was used to analyze the influence of air flow field,pressure field distribution,and the input air of each inlet on the suction system.Four improving schemes were considered based on the configuration parameters of the suction system,to investigate the influence of the position and size of secondary air inlet,wind pipe arrangement and inlet jaw opening on the flow field,pressure field... |
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| Keywords: | drawing frame suction system flow field numerical simulation |
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