1、TQtCgQtH)1(gHTCgHgPgVgPZNPSHav22111NPSHr NPSHa物理意义4365.3HQnns3121212DDnnQQ21221212DDnnHH1251231212DDnnPP4/362.5NPSHrQnc2.12*101.65*101.18*10-5流量Q4080150扬程HZ2086.25*105.10*103.90*102.80*101.80*10-6501.0*10-64100-6-6-6-6QZ2030601002002515/(m)106修正系数K,KQ200.20.60.40.8修正系数KH1.00.61.00.8501001.22*109.15*
2、107.60*10-4-4(m/s)2.28*101.90*101.52*101.14*107.60*106.05*104.32*10-4-4-4-42-4运动粘度v/(m/h)3x-5200-5-5-5-55006.10*104.56*103.50*103.04*10-4-4200010002.28*101.67*103.19*10-3-4-3-3-31000HKKQ200500K|20001.21.00.80.6轴承B1叶轮轴承B2平衡盘轴联轴器转子系统实体模型图 转子系统计算模型 Ozyx1MNMXXYZrotor dynamics anslysis 0.041676.083351.12
3、5027.166703.208378.250054.29173.333405.375081MAY 12 200810:46:56NODAL SOLUTIONSTEP=2SUB=2RFRQ=0IFRQ=174.57MODE Imag.partUSUM (AVG)RSYS=0DMX=.375081SMX=.3750811MNMXXYZrotor dynamics anslysis 0.02824.05648.08472.11296.1412.16944.19768.225921.254161MAY 12 200810:48:21NODAL SOLUTIONSTEP=2SUB=4RFRQ=0IFRQ
4、=352.509MODE Imag.partUSUM (AVG)RSYS=0DMX=.254161SMX=.254161第一阶振型 第一阶涡动轨迹第二阶振型 第二阶涡动轨迹10283.8567.6851.41135.21419Frequency(Hz)0400800120016002000240028003200Spin velocity(rpm)(x10*1)1CAMPBELL DIAGRAMrotor dynamics anslysis OCT 27 200809:51:58F=1x spin stable stable stable stable stable stable stable
5、 stable stable10283.8567.6851.41135.21419Frequency(Hz)030060090012001500180021002400Spin velocity(rpm)(x10*1)1CAMPBELL DIAGRAMrotor dynamics anslysis OCT 27 200809:42:20F=1x spinBW stableFW stableBW stableFW stableBW stableFW stableBW stableFW stableBW stable（a）忽略陀螺效应 （b）考虑陀螺效应刚性支承模态分析坎贝尔（Campbell）图
6、10138.6277.2415.8554.4693Frequency(Hz)030060090012001500180021002400Spin velocity(rpm)(x10*1)1CAMPBELL DIAGRAMrotor dynamics anslysis OCT 28 200811:13:25F=1x spinBW stableBW stableBW stableFW stableBW stableFW stableBW stableFW stable图5.5 弹性支承模态分析坎贝尔（Campbell）图1区-允许工作区的振动峰值可以高出2区-优先工作区30%振动测点位置1000eGmemGU10001000 OH-Plan A 冷却轴承箱 OH-Plan D 压盖急冷 OH-Plan K 冷却轴承箱，并联密封换热器 OH-Plan M 密封换热器BB-Plan A 通往轴承箱 BB-Plan D 通往密封压盖BB-Plan K 通往轴承箱和密封换热器 BB-Plan M 通往密封换热器润滑油路示意图105 结束语结束语
