南京航空航天大学学报（英文版）2021，Vol.38Issue(z1)：17-23,7.
尾支杆减振系统的加热保温系统数值模拟及实验验证
Numerical Simulation and Experimental Verification of Temperature Distribution of Piezoelectric Stack with Heating and Thermal Insulation Device
陈逸笑 1杨兴华 2俞立 3沈星3
作者信息
- 1. 南京航空航天大学机械机构力学及控制国家重点实验室,南京 210016,中国
- 2. 中国飞机强度研究所,西安 710065,中国
- 3. 中国空气动力研究与发展中心,绵阳 621000,中国
- 折叠
摘要
Abstract
This paper discusses the temperature field distribution of piezoelectric stack with heating and thermal insulation device in cryogenic temperature environment. Firstly,the model of the piezoelectric damper is simplified and established by using partial-differential heat conduction equation. Secondly,the two-dimensional Du Fort-Frankel finite difference scheme is used to discretize the thermal conduction equation,and the numerical solution of the transient temperature field of piezoelectric stack driven by heating film at different positions is obtained by programming iteration. Then,the cryogenic temperature cabinet is used to simulate the low temperature environment to verify the numerical analysis results of the temperature field. Finally,the finite difference results are compared with the finite results and the experimental data in steady state and transient state,respectively. Comparison shows that the results of the finite difference method are basically consistent with the finite element and the experimental results,but the calculation time is shorter. The temperature field distribution results obtained by the finite difference method can verify the thermal insulation performance of the heating system and provide data basis for the temperature control of piezoelectric stack.关键词
导热偏微分方程/温度场/有限差分法/压电叠堆/加热保温系统Key words
thermal differential equation/temperature field/finite difference/piezoelectric stack/heating and thermal insulation device分类
信息技术与安全科学引用本文复制引用
陈逸笑,杨兴华,俞立,沈星..尾支杆减振系统的加热保温系统数值模拟及实验验证[J].南京航空航天大学学报（英文版）,2021,38(z1):17-23,7.
