固体火箭技术2016，Vol.39Issue(1)：116-119,145,5.DOI:10.7673/j.issn.1006-2793.2016.01.021
预浸带铺放过程温度场动态仿真与实验研究
Dynamic finite element simulation and experimental study on heat transfer in prepreg placement process
摘要
Abstract
A temperature online measurement system based on LabVIEW was established, aiming at measuring the temperature peak at the nip-point and the temperature distribution in the prepreg placement process. In the experiment, 5 layers of prepreg were laid-up and the stable temperature of hot air was 200℃. The experimental results show that along with the placement process, the temperature curves of every layer have several peaks decreasing gradually and the first peak was the nip-point temperature. The nip-point temperatures of each layer increased gradually, they were 80.1℃, 91.4℃, 101.3℃, 113℃ and 108.3℃ respectively. In addition, a finite element model of temperature field was established and a dynamic finite element simulation for prepreg placement process was done by using the birth-death element strategy and the cyclic loading strategy in ANSYS. The nip-point temperatures in the finite element simulation results were 71.8 ℃, 96.2 ℃, 104.3 ℃, 107.9 ℃ and 105.3 ℃ respectively. The error of the nip-point temperature between finite element simulation results and experimental results can be controlled within 10%, and the higher the nip-point temperature get, the more accurate the result became.关键词
预浸带铺放/温度场分布/动态仿真/实验Key words
prepreg placement/temperature distribution/dynamic finite element simulation/experiment分类
航空航天引用本文复制引用
杨涛,申艳娇,杨素君,李志猛,牛雪娟..预浸带铺放过程温度场动态仿真与实验研究[J].固体火箭技术,2016,39(1):116-119,145,5.基金项目
国家自然科学基金(11372220) （11372220）
天津市应用基础与前沿技术研究计划重点项目(11JCZDJC23000)。 （11JCZDJC23000）
