论文部分内容阅读
铁磁流体装置已在激光系统、高真空设备、计算机、扬声器、惯性阻尼器和发动机中获得了应用。对于复杂和变化多端的密封问题,我们可以用磁流体密封技术获得正常的解决,这些问题有许多是具有极恶劣的环境、宽广的温度范围和剧烈的放射活性情况的特性的。为了在满足任何特殊应用所要求的整个范围的同时,获得最大成本效力的解决办法,在设计磁性液体密封磁路时,必须考虑一些因素,如可获得的密封面大小,密封面两端的压力差,对各种环境的化学适应性和永磁和软磁材料的选择。为了在解释磁性材料的非线性特性的同时估计磁通漏泄和边缘效应,必须采取数学手段。来确定重要参数改变所产生的影响,以达到设备的最优化设计。本文介绍模仿铁磁流体密封的模拟技术和讨论包含固有对称性的各种几何图形的方法。用数学分析模型,由计算机得到详细的磁通分布图。
Ferrofluid devices have found use in laser systems, high vacuum equipment, computers, loudspeakers, inertial dampers and engines. For complicated and varied sealing problems, we can get a normal solution with a magnetic fluid sealing technique, many of which are characterized by extremely harsh environments, a wide temperature range and dramatic radioactivity. In order to achieve the most cost-effective solution to the full range required for any particular application, there are several factors that must be considered when designing a magnetic liquid sealed magnetic circuit such as the size of the available sealing surface, the pressure differential across the sealing surface , Chemical adaptability to various environments, and selection of permanent and soft magnetic materials. In order to estimate the flux leakage and edge effects while explaining the nonlinear characteristics of the magnetic material, it is necessary to take a mathematical approach. To determine the impact of changes in important parameters to achieve the optimal design of equipment. This article presents simulation techniques that mimic ferrofluidic seals and discusses ways to include a variety of geometric shapes with intrinsic symmetry. Mathematical analysis of the model obtained by the computer detailed magnetic flux distribution.