摘要
本文基于直角坐标与极坐标的转换原理,将极坐标法与AutoCAD软件应用于水轮机效率曲线数字化处理当中,解决了通常所用网格法所存在的计算精度小与计算量大的关键问题,为水电站在制定厂内经济运行方案和水轮机特性换算等方面提供了一种新的水轮机模型效率曲线数字化处理的方法。通过实例,编写计算机程序进行比较分析,表明该方法简便可行,精度高。
Based on the transformable principle between Cartesian and polar coordinates, a new method of digital processing of efficiency curve of the water turbine is presented in this paper. The polar coordinate method and AutoCAD software are used in the digital processing of efficiency curve of the turbine in the new method. It solves the key problems of less accuracy and big magnitudes of calculation, which are usually presented in the method of lattice and provides a new way to process the efficiency curve of turbine in the programming of internal economic operation and transition process of hydropower station. The experimental results show that the method is valid, convenient and accurate.
出处
《水力发电学报》
EI
CSCD
北大核心
2006年第5期125-128,共4页
Journal of Hydroelectric Engineering
关键词
水力机械
效率曲线
数字化处理
极坐标法
hydraulic machinery
efficiency curve
digital processing
polar coordinate method
