1) first-stage blades
首级叶片
1.
The measuring system has been already applied to real-time monitor the first-stage blades of one type aeroengine and the results are satisfactory.
采用叶端定时测量系统在实验现场对某发动机的首级叶片振动进行实时测量 ,获得了满意的结果。
2) last stage blade
末级叶片
1.
The mechanism,formation and development of water erosion at last stage blade are analyzed.
分析了汽轮机叶片水蚀的机理及水蚀的形成与发展过程,介绍了秦山第二核电厂650 MW 2号汽轮机末级叶片水蚀状况,对叶片现场修复的工艺方法、技术要求、工艺过程及注意事项进行了详细论述。
2.
The optimum design for the last stage blade is one of the most important conditions to develop air-cooling units.
末级叶片的优化设计是发展空冷机组重要条件之一,正是由于选择了合适的末级叶片,对丰镇电厂的机组改造取得了成功。
3.
For increasing the turbine efficiency,the new last stage blade is designed with more steam extraction area and less leaving loss than 620mm blade for steam turbine with air-cooled condenser.
为提高机组效率,需要设计一个比原有空冷末级620mm叶片排汽面积更大、余速损失更小的空冷末级叶片。
3) last blade
末级叶片
1.
The vibration fatigue breakage in the last blade can be engendered on non-resonance of force vibration.
介绍了几种预估末级叶片颤振的方法,变形激盘法是作者早期与北航共同开发的一种半经验法,已用于工厂叶片颤振设计。
2.
Its dynamic rigidity is lower,last blade stellite alloy was heavily eroded which caused the increasi.
从最终的效果看,造成3、4号瓦振动异常的 原因并不是转子的残余不平衡引起的,主要原因是由于低压转子轴承座系悬臂支撑方式,相对来说动刚度较 低,同时末级叶片司太立合金严重冲蚀,导致蒸汽激振力增加,致使机组在30 MW负荷以下或空负荷时瓦振正 常,在30 MW以上机组振动随负荷升高而增大。
3.
The last blade of low pressure rotor of steam turbine,which was eroded by steam,were welded and repaired successfully using TIG welding technology and by considering the characteristics of 2Cr13 steel of the blade.
根据叶片材料2Cr13钢特点,采用TIG焊接工艺,对汽蚀的汽轮机低压转子末级叶片成功地进行了补焊修复。
补充资料：签首级
1.旧时的一种酷刑。即斩首高悬以示众。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条