1、TQtCgQtH)1(gHTCgHgPgVgPZNPSHav22111NPSHr NPSHa物理意义4365.3HQnns3121212DDnnQQ21221212DDnnHH1251231212DDnnPP4/362.5NPSHrQnc2.1 2*1 01.6 5*1 01.1 8*1 0-5流 量Q4 08 01 5 0扬 程HZ2 086.2 5*1 05.1 0*1 03.9 0*1 02.8 0*1 01.8 0*1 0-65 01.0*1 0-641 0 0-6-6-6-6QZ2 03 06 01 0 02 0 02 51 5/(m)1 06修正系数K,KQ2 00.20.60.4
2、0.8修正系数KH1.00.61.00.85 01 0 01.2 2*1 09.1 5*1 07.6 0*1 0-4-4(m/s)2.2 8*1 01.9 0*1 01.5 2*1 01.1 4*1 07.6 0*1 06.0 5*1 04.3 2*1 0-4-4-4-42-4运 动 粘 度v/(m /h)3x-52 0 0-5-5-5-55 0 06.1 0*1 04.5 6*1 03.5 0*1 03.0 4*1 0-4-42 0 0 01 0 0 02.2 8*1 01.6 7*1 03.1 9*1 0-3-4-3-3-31 0 0 0HKKQ2 0 05 0 0K|2 0 0 01.2
3、1.00.80.6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 0.041676.083351.125027.166703.208378.250054.29173.333405.375081MAY 12 200810:46:56NODAL SOLUTIONSTEP=2SUB=2RFRQ=0IFRQ=174.57MODE Imag.partUSUM (AVG)RSYS=0DMX=.375081SMX=.3750811MNMXXYZrotor dynamics anslysis 0.02
4、824.05648.08472.11296.1412.16944.19768.225921.254161MAY 12 200810:48:21NODAL SOLUTIONSTEP=2SUB=4RFRQ=0IFRQ=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 DI
5、AGRAMrotor dynamics anslysis OCT 27 200809:51:58F=1x spin stable stable stable stable stable stable stable stable stable10283.8567.6851.41135.21419Frequency(Hz)030060090012001500180021002400Spin velocity(rpm)(x10*1)1CAMPBELL DIAGRAMrotor dynamics anslysis OCT 27 200809:42:20F=1x spinBW stableFW stab
6、leBW 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
