Abstract | 第4页 |
摘要 | 第5-7页 |
1. Introduction | 第7-17页 |
1.1 Development stages of methods for determining dynamic coefficients of bearings | 第9-15页 |
1.1.1 Methods of estimating stiffness coefficients | 第9-12页 |
1.1.2 Methods of estimating resistance coefficients | 第12-13页 |
1.1.3 Design and experimental methods for estimating the coefficients | 第13-15页 |
1.2 Conclusions | 第15-17页 |
2 Development of the mathematical model of turbocompressor rotors | 第17-28页 |
3. Impact of internal friction on rotor dynamics | 第28-39页 |
3.1 Mathematical single-mass models of rotors | 第29-32页 |
3.2 Impact of viscous nonlinear internal friction on rotor dynamics | 第32-33页 |
3.3 Impact of dry friction on rotor dynamics | 第33-34页 |
3.4 Impact of the hysteresis material on rotor dynamics | 第34-37页 |
3.5 Conclusions | 第37-39页 |
4. Development program and estimation results of dynamic coefficients | 第39-57页 |
4.1 Experimental equipment | 第39-40页 |
4.2 Nonlinear estimation program of dynamic coefficients of bearings | 第40-43页 |
4.3 Input data | 第43-50页 |
4.4 Estimation of convergence of the iterative process | 第50-55页 |
4.5 Estimation results of dynamic coefficients | 第55-56页 |
4.6 Conclusions | 第56-57页 |
5. Dependences of stiffness and damping coefficients on the rotation frequency the rotor | 第57-59页 |
Conclusions | 第59-60页 |
Acknowledgement | 第60-61页 |
References | 第61-64页 |
Research achievement during working for the degree | 第64页 |