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Valve actuator Finite Element Analysis

Author: LiLuLu
Tutor: ChangSiQin
School: Nanjing University of Technology and Engineering
Course: Vehicle Engineering
Keywords: Engine Valve actuator Variable valve technology Finite Element Analysis Buffer structure design
CLC: U464.134.4
Type: Master's thesis
Year: 2009
Downloads: 153
Quote: 4
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Abstract


With the dramatic changes in the energy situation and the increasingly serious environmental pollution problems , the international community of automobile engine fuel economy requirements and the harmful emissions limits become more stringent. Variable valve technology, in particular the application of electromagnetic driven valve variable valve technology that can significantly improve the environmental performance of energy-saving engine , has become the focus of the study direction of the engine . The topic for the internal combustion - Linear Integrated power generation system free piston engine valve actuator , using the finite element simulation method to analyze its characteristics studied , mainly to complete the following tasks: right valve for the finite element modeling and statics simulation, exploration analyzes of the valve can withstand the maximum load , and has been stress distribution valve , the valve is designed to provide a reference for selection ; establishment of a complete valve - valve seat model, the dynamics simulation analysis of the valve in different seat withstand speeds of impact, the impact force data obtained by the electromagnetic drive valve development has important value : the design of a shock absorbing electromagnetic drive valve seat structure and dynamics simulation and results through data processing and analysis, proved buffer structure absorb impact energy , reducing the effectiveness of the impact force ; analysis of the electromagnetic drive the actuator of the valve member can be working temperature region , completed the electromagnetic drive valve actuator temperature field , the implementation of different conditions the temperature in the distribution ; against electromagnetic drive valve actuators temperature testing bench , and the design of the electromagnetic drive valve seat impact test pilot programs .

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CLC: > Transportation > Road transport > Automotive Engineering > Automotive engine > Reciprocating engine > Components, parts > Valve > Intake and exhaust systems
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