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Year:
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Issue:
IDENTIFICATION OF AXIAL DYNAMIC LOAD OF A FRANCIS TURBINE
Author(s):
WANG Hai-jun
,
LIAN Ji-jian
,
YANG Min
,
WANG Ri-xuan
Pages:
123
-
125
Year:
2007
Issue:
4
Journal:
JOURNAL OF VIBRATION AND SHOCK
Keyword:
水电站
;
轴向动荷载
;
识别技术
;
遗传算法
;
有限元
;
Abstract:
水轮机轴向动荷载是机组总轴向力的主要组成部分,其特性直接影响水电站厂房设计和安全经济运行.合理对其进行评估具有重要的意义.文中以一水电站厂房结构和机组联合现场振动测试数据为基础,将厂房结构和机组视为一耦联体系,采用改进遗传算法和有限元技术编写程序,对水轮机轴向动荷载进行识别.识别结果比较理想.该方法简单有效,具有较强的实用性.
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