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Multi-physics Modeling and Numerical Simulation of Electrohydrodynamics Air Pump

Author: MaoXiaoJing
Tutor: ZhouYanJiang
School: Zhejiang University of Technology
Course: Measuring Technology and Instrument
Keywords: The EHD the air pump Ion wind Multi - physical field Simulation Analysis COMSOL Multiphsysics
CLC: TP391.9
Type: Master's thesis
Year: 2010
Downloads: 215
Quote: 0
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Abstract


EHD air pump technology to achieve the airflow acceleration of a technical air generated by corona discharge ion wind . It relates to the theory of non-equilibrium plasma science , electrical dynamics , fluid dynamics . In recent years, with the deepening of the non-equilibrium plasma studies , the application of basic research of the ion wind caused widespread concern of scholars at home and abroad , as a branch of the non - equilibrium plasma research and the forefront of international research . The ionic wind technology has been applied in the field of chip cooling , combustion control , air purification . The existing ion wind generating device there are small air velocity , low efficiency problem , how to achieve accelerated ion wind , making it an air delivery device is the hot issue of the international research . A more in-depth overview of the history and current situation of the domestic and foreign ion wind , summarizes the main results of the ion wind and the main problems on the basis of a large flow of ionic wind flow acceleration device - theoretical model of EHD air pump ; application electrodynamics , fluid mechanics theory , proposed EHD air pump discharge electrode angle optimization model , a multi-polar wire - plate the EHD the air pump model ; brief exposition of the multi - physics coupling analysis method , the application of multi- physics coupling analysis software the COMSOL Multiphsysics EHD air pump multi - physical field simulation analysis , obtained more satisfactory results . In this paper, the EHD air pump , capable of producing large air flow rate of air flow acceleration device through its theoretical analysis , multi- physics coupling modeling and numerical simulation to prove the feasibility of EHD air pump accelerated airflow be able to use as an air convection apparatus .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Computer simulation
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