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| 1 | Bifurcation and Chaos Analysis of Nonlinear Rotor System with Axial-grooved Gas-lubricated Journal Bearing Support显示文摘Axial-grooved gas-lubricated journal bearings have been widely applied to precision instrument due to their high accuracy, low friction, low noise and high stability. The rotor system with axial-grooved gas-lubricated journal bearing support is a typical nonlinear dynamic system. The nonlinear analysis measures have to be adopted to analyze the behaviors of the axial-grooved gas-lubricated journal bearing-rotor nonlinear system as the linear analysis measures fail. The bifurcation and chaos of nonlinear rotor system with three axial-grooved gas-lubricated journal bearing support are investigated by nonlinear dynamics theory. A time-dependent mathematical model is established to describe the pressure distribution in the axial-grooved compressible gas-lubricated journal bearing. The time-dependent compressible gas-lubricated Reynolds equation is solved by the differential transformation method. The gyroscopic effect of the rotor supported by gas-lubricated journal bearing with three axial grooves is taken into consideration in the model of the system, and the dynamic equation of motion is calculated by the modified Wilson-θ-based method. To analyze the unbalanced responses of the rotor system supported by finite length gas-lubricated journal bearings, such as bifurcation and chaos, the bifurcation diagram, the orbit diagram, the Poincaré map, the time series and the frequency spectrum are employed. The numerical results reveal that the nonlinear gas film forces have a significant influence on the stability of rotor system and there are the rich nonlinear phenomena, such as the periodic, period-doubling, quasi-periodic, period-4 and chaotic motion, and so on. The proposed models and numerical results can provide a theoretical direction to the design of axial-grooved gas-lubricated journal bearing-rotor system. | ZHANG Yongfang HEI Di Lü Yanjun WANG Quandai MüLLER Norbert | 2014 | Chinese Journal of Mechanical Engineering2014，27，2： | 9 |
| 2 | Application of CVD nanocrystalline diamond films to cemented carbide drills 显示文摘 | Meng X M Tang W Z Hei L F | 2008 | Int J Refractory Metals and Hard Mater2008，26，5： | 1 |
| 3 | Reversible data embedding into images using wavelet techniques and sorting显示文摘 | Kamstra L Hei jmans H J A M | 2005 | IEEE Transactions on Image Processing2005，14，12： | 1 |
| 4 | Mutagenic effects of a single and an exact number of alpha particles in mammalian cells 显示文摘 | Hei T K Wu L J | 1997 | Proc Natl Acad Sci USA1997，，94： | 1 |
| 5 | Fracture Strength of Two-step Pretreated and Diamond Coated Cemented Carbide Micro Drills显示文摘 | Geng C L Tang W Z Hei L F | 2007 | International Journal of Refractory Metals and Hard Material2007，25，2： | 1 |
| 6 | Life-cycle As- sessment of Biodiesel Production from Algal显示文摘 | LARDON L HEI~LIAS A SIALVE B | 2009 | Environmental Science & Technology2009，43，17： | 1 |
| 7 | Using ammonium-tolerant yeast isolates:Candida halophila and Rhodotorula glutinis treat high strength fermentative wastewater显示文摘 | Q Yang M Yang L Hei | 2003 | Environmental Technology2003，24，： | 1 |
| 8 | Mechanical impact induces cartilage degradation via mitogen activated protein kinases显示文摘 | Ding L Heying E Nicholson N | 2010 | Osteoarthritis Cartilage2010，18，11： | 1 |
| 9 | Fracture Strength of Two-step Pretreated and Diamond Coated Cemented Carbide Micradrflls显示文摘 | Geng C L Tang W Z Hei L F | 2007 | International Journal of Refractory Metals and Hard Materials2007，25，2： | 1 |
| 10 | Application of CVD Nanocrystalline Diamond Films to Cemented Carbide Drills 显示文摘 | Meng X M Tang W Z Hei L F | 2008 | International Journal of Refractory Metals and Hard Materials2008，26，5： | 1 |
| 11 | A hybridization of teaching-learn- ing-based optimization and differential evolution for chaotic time se- ries prediction 显示文摘 | WANG L ZOU F HEI X | 2014 | Neural Computing and Applications2014，25，6： | 1 |
| 12 | Impacts of ionizing radiation on volatile production by ripening gala apple fruit显示文摘 | FAN X T ARGENTA L MATI'HEIS J P | 2001 | Journal of Agricul- tural and Food Chemistry2001，49，1： | 1 |
| 13 | Analysis of p16 and p21 ( Cip1 ) expression in tumorigenic human bronchial epithelial cells induced by asbestos显示文摘 | PIAO C Q ZHAO Y L HEI T K | 2001 | Oneogene2001，20，50： | 1 |
| 14 | A new series of organoboranes (I) : Carboranes from the reaction of decaborane with acetylenic compounds显示文摘 | Heying T L Ager Jr J W Clark S L | 1963 | Inorganic Chemistry1963，2，6： | 1 |
| 15 | Mutagenic effects of a single and an exact number of alpha particles in mammalian cells 显示文摘 | Tom K Hei Wu L J Liu S X | 1997 | Proc Natl Acad Sci USA1997，94，： | 1 |
| 16 | Vapor phase isomerization of o-carborane显示文摘 | Papetti S Obenland C Heying T L | 1966 | Industrial Engineering Chemistry Product Research and Development1966，5，4： | 1 |
| 17 | Using ammonium-tolerant yeast isolates: Candida halophila and Rhodotorula Glutinis to treat high strength fermentative wastewater 显示文摘 | Yang Q Yang M Hei L Zheng S | 2003 | Environmental Technology2003，24，3： | 1 |
| 18 | Non-constant positive steady state of one resource and two consumers model with diffusion显示文摘 | Hei L J Yu Y | 2008 | J Math Anal Appl2008，339，： | 1 |
| 19 | Active contours driven by local Gaussian distribution fitting energy显示文摘 | Wang L Hei L Mishra A and Li C M | 2009 | Signal Processing2009，89，12： | 1 |
| 20 | Enteral nutritional supplementation with key nutrients in patients with critical illness and cancer:a meta-analysis of randomized controlled clinical trials显示文摘 | Heys S D Walker L G Smith I | 1999 | Ann Surg1999，229，4： | 1 |
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