The effects of the structural and operational parameters on the thermal indexes of ceramic ball regenerator have been investigated using numerical method Some problems in the operation and design are clarified The necessary condition for reducing the average exit temperature of flue gas to 200 ℃ is proposed And the principles in selecting structural and operational parameters are also provide
用数值计算法研究了陶瓷球蓄热室结构参数和操作参数对热工指标的影响，澄清了在操作和设计中存在的某些问题，提出了烟气出口平均温度降到２００℃左右的必要条件，指出了选取结构参数和操作参数时应遵循的原则。
On the basis of summarizing the importance and failure of the magnetic system of rare earth permanent magnetic separator, this paper systematically reviews some research methods of the magnetic-field distribution of rare earth permanent magnet, including experimental method, numerical solution and analytical solution.
在概述稀土永磁磁选设备磁系设计的重要性和存在不足的基础上,系统评述了稀土永磁磁场分布的实验研究法、数值计算法及解析解法,并对其优缺点进行了分析比较。
