首页|Investigators at School of Mechanical Engineering Report Findings in Machine Lea rning (Dynamic and Stability Comparison Analysis of the High-speed Turbocharger Rotor System With and Without Thrust Bearing Via Machine Learning Schemes)
Investigators at School of Mechanical Engineering Report Findings in Machine Lea rning (Dynamic and Stability Comparison Analysis of the High-speed Turbocharger Rotor System With and Without Thrust Bearing Via Machine Learning Schemes)
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By a News Reporter-Staff News Editor at Robotics & Machine Learning Daily News-Researchers detail new data in Machine Learning. According to news reporting from Tamil Nadu, India, by NewsRx journalists, resea rch stated, "To minimize carbon footprints and improve volumetric efficiency and power output, modern internal combustion engine technology employs turbocharger s in automobile and marine engines as well as in several diesel generator sets. During its operation, a minor imbalance or flaw in turbocharger rotors could lea d to the system catastrophic failures." Financial supporters for this research include VIT University, Vellore Institute of Technology, Vellore, Tamil Nadu, India, Universiti Teknologi MARA (UiTM). The news correspondents obtained a quote from the research from the School of Me chanical Engineering, "The two floating ring bearings that support a turbocharge r allow it to operate at high speeds. The exhaust gases impacting the turbine an d the inlet air impacting the compressor cause axial forces in the turbine, resu lting in axial displacements. To balance these two components of axial forces, a thrust bearing is used in the turbocharger. The present work focuses on the com parative study of the turbocharger with and without the thrust bearing. The thru st bearing's pressure distribution is first calculated, and the nonlinear bearin g forces acting on the turbocharger rotor are obtained. The exhaust gas forces a re considered radial direction excitations, while blade passing excitations are taken as axial forces. The critical speeds of the rotor are first estimated usin g the Campbel diagram. An experimental study on an automobile turbocharger rotor is performed to validate the frequencies obtained from the present finite eleme nt model. Further, the system stability with and without thrust bearings at diff erent operating speeds is illustrated. The influence of the thrust bearing locat ion and preload is investigated on the system response. It is found that the thr ust bearing has a significant effect on the system stability at higher speeds."
Tamil NaduIndiaAsiaAutomobilesCy borgsEmerging TechnologiesMachine LearningTransportationSchool of Mechan ical Engineering
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