摘要
说明了原680型末级叶片存在的问题,阐述了对其改进的必要性和采用的改进措施,详细介绍了改进过程中气动设计和强度、振动设计方面的内容、方法和结果以及专家评审过程与对改进型660mm末级叶片进行各项试验研究的情况。文章指出,最后设计的660mm末级叶片采用了先进的设计技术、方法和具有良好运行业绩的结构,有效地改善了机组的经济性和安全性,具有广泛的推广价值。
The paper describes some problems existing in original 680mm L-0 blade, as well as the necessity for improvement and relevant measures. Meanwhile the details regarding the main technology and results in the design of pneumatic, strength and vibration, including experts' review procedure and every experimental analysis for the improved 660mm L-0 blade are presented, The authors point out that the final design of 660mm L-0 blade adopts advanced technology, methods and constructions with good operational performance, Which proved to more economical/reliable and worthy of widely spreading.
出处
《东方电气评论》
1998年第3期177-184,共8页
Dongfang Electric Review
