热压罐空转状态下内部温度场及流动场的数值模拟
Numerical Modelling for Internal Flow Field and Temperature Field of Autoclave in Idling State
摘 要
建立了制备复合材料用热压罐的几何模型, 对空转状态下罐内流动场及温度场进行数值模拟, 并将流动场的模拟结果与文献的结果进行对比。结果表明: 平板模具的引入会改变热压罐内流动场的分布, 使模具与导风筒中间区域的速度变小, 而靠近导风筒和模具区域的速度变大; 沿着送风方向, 模具表面左侧的温度较右侧的变化快, 总体分布趋势是从罐门到罐尾处温度逐渐降低; 使用风机能加强模具与空气之间的换热, 使模具的温度更快地接近空气的温度; 流动场的模拟结果与文献结果比较吻合, 验证了模拟结果的可靠性。
复合材料
温度场
流动场
autoclave
composite
temperature field
flow field
Abstract
An autoclave geometry model used for manufacturing composites was established, the flow field and temperature field for autoclave under idling state were numerically simulated, and the simulated results of flow field were compared with the results available in literature. The results indicate that the appearance of the plate mold would change the distribution of flow field in the autoclave, making the velocity decrease between mold and air duct, while the velocity near the air duct and mold increase. Along the direction of air supply, the temperature of the mold surface changed quickly on the left side than that of on the right side. Temperature gradually reduced from door to tail of the autoclave in overall distribution trend. The using of the fan could enhanced the heat exchanges between the mold and the air, making the temperature of the mold close to the temperature of the air more quickly. Flow field simulation results are agree well with results in literature, verified the reliability of simulation results.
中图分类号 V260.5 DOI 10.11973/jxgccl201609014
所属栏目 物理模拟与数值模拟
基金项目 教育部新世纪优秀人才支持计划项目(NCET-13-0229)
收稿日期 2015/12/1
修改稿日期 2016/7/14
网络出版日期
作者单位点击查看
备注董长春(1987-), 男, 河南信阳人, 博士研究生。
引用该论文: DONG Chang-chun,ZHOU Jian-xin,LIAO Dun-ming,SUN Fei,ZHU Da-lei. Numerical Modelling for Internal Flow Field and Temperature Field of Autoclave in Idling State[J]. Materials for mechancial engineering, 2016, 40(9): 62～67
董长春,周建新,廖敦明,孙 飞,朱大雷. 热压罐空转状态下内部温度场及流动场的数值模拟[J]. 机械工程材料, 2016, 40(9): 62～67
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参考文献
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【2】董旭旭, 李新梅, 董兰兰, 等. 风力机叶片用复合材料的拉伸及冲蚀磨损性能［J］. 机械工程材料, 2015, 39(12): 25-29.
【3】梁宪珠, 孙占红, 张铖, 等. 航空预浸料-热压罐工艺复合材料技术应用概况［J］. 航空制造技术, 2011(20): 26-30.
【4】MOUTON S, TEISSANDIER D, SEBASTIAN P, et al. Manufacturing requirements in design: the RTM process in aeronautics［J］. Composites Part a - Applied Science and Manufacturing, 2010, 41(1): 125-130.
【5】吴昊, 花军, 刘诚, 等. 亚麻纤维增强环氧树脂基复合材料拉伸强度的预测模型［J］. 机械工程材料, 2015, 39(7): 113-116.
【6】LOOS A C, SPRINGER G S. Curing of epoxy matrix composites［J］. Journal of Composite Materials, 1983, 17(2): 135-169.
【7】SPRINGER G S. Resin flow during the cure of fiber reinforced composites［J］. Journal of Composite Materials, 1982, 17(2): 400-410.
【8】GUTOWSKI T G, MORIGAKI T, CAI Z. The consolidation of laminate composites［J］. Journal of Composite Materials, 1987, 21(2): 172-188.
【9】DAV R. A unified approach to modeling resin flow during composite processing［J］. Journal of Composite Materials, 1990, 24(1): 22-41.
【10】KAYS A. Exploratory development on processing science of thick section composites: report of air force materials laboratory:AFWL-TR-85-4090［R］.［S.l.］:［s.n.］,1985.
【11】BOGETTI T A, GILLESPIE J W. Process-induced stress and deformation in thick-section thermoset composite laminates［J］. Journal of Composite Materials, 1992, 26(5): 626-660.
【12】ANTONUCCI V, GIORDANO M, IMPARATO S I, et al. Autoclave manufacturing of thick composites［J］. Polymer Composites, 2002, 23(5): 902-910.
【13】HARPER B D, WEITSMAN Y. Residual thermal stresses in an unsymmetrical cross-ply graphite/epoxy laminate［C］//Proceedings of AIAA/ASME/ASCE/AHS 22nd Structures Structural Dynamics and Materials Conference. Atlanta, USA:［s.n.］, 1981: 6-8.
【14】ZHU Q, GEUBELLE P H, LI M, et al. Dimensional accuracy of thermoset composites: simulation of process-induced residual stresses［J］. Journal of Composite Materials, 2001, 35(24): 2171-2205.
【15】FERZIGER J H, PERIC M. Computational methods for fluid dynamics［M］. Beijing: Beijing World Publishing Corporation, 2012.
【16】APMANN H, BERNDT D, HERKT M, et al. Numerical simulation of jigs and tools for CFRP-parts［C］//Proceedings of the 17th International Conference on Composite Materials. Edinburgh, United Kingdom: International Committee on Composite Materials, 2009.
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