摘要
1 方法简介本文采用有限元法分析磁粉制动器的温度场和温升过程,简述如下: 有内热源空间轴对称不稳态傅里叶导热微分方程式为常见的导热问题的边界条件有以下三类: (1) 第一类边界条件。规定了边界Γ上的温度值T,在稳定导热状态边界上温度T|r=常数。对不稳定导热,时间r>0时T|r=f_1(τ) (2) 第二类边界条件。规定了边界上的热流密度值q^v,在稳定导热状态。
In this this paper, based on heat diffusion equation, the functional corresponding to the axisymmetic heat conduction problem under 1st, 2nd and 3rd boundary conditions is set up. The finite element method is used and the corresponsing program is written in FORTRAN, which can be used to calculate the temperature field of axisymmetric and plane heal conduction problems including steady and unsteady ones. For MPB, the problems such as setting up the calculation model, determining its boundary conditions, and selecting some relative parameters ane discussed. The temperature field and tempe ature rise process of MPB are calculated. And the theoretical results are verified by some experiments.
出处
《东南大学学报（自然科学版）》
EI
CAS
CSCD
1989年第6期108-113,共6页
Journal of Southeast University：Natural Science Edition
关键词
磁粉
制动器
温度场
有限元算法
magnetic powder, brakes, temperature field, finite element methed
