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Proceedings Paper

The influence of the intensity of electric field on methane-air mixed gas discharge electron transport parameters
Author(s): Shuang-yan Shen; Xing Jin; Peng Zhang
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Paper Abstract

Plasma enhanced ignition is an important way in the field of ignition auxiliary. It has got wide attention throughout the researchers both at home and abroad. The plasma is usually added in the form of discharge. It makes a big difference in the discharge form according to different discharge unit, different kinds of electric field and different kinds of discharge medium. Variety of methods could be used to characterize the parameters of the plasma. The electron transport parameter is an important variable during the process of the plasma discharge. The mathematical model was set up to calculate the electron transport parameters in different reduced electric intensity. The electrons meet the Boltzmann equations in plasma system. Reasonable methods were used to simplify the Boltzmann equations. The electron transport parameters of methane-air mixed gas at the same equivalent ratio and pressure in different reduced electric field were calculated. The calculation results show that the EEDF turns to the right with the increasing of reduced electric field. The average electron energy and average electron energy of the mixed gas increases linearly with the increasing of reduced electric field. The increasing of reduced electric field enhances the electronic/energy diffusion effect and the enhancing effect is more apparent when the reduced electric field is high. The increasing of reduced electric field restrains the electron diffusion and energy transference restrains from the trend of the change. The inhibition effect is weakening with the increasing of the reduced electric field.

Paper Details

Date Published: 25 October 2016
PDF: 5 pages
Proc. SPIE 10157, Infrared Technology and Applications, and Robot Sensing and Advanced Control, 1015711 (25 October 2016); doi: 10.1117/12.2245409
Show Author Affiliations
Shuang-yan Shen, Equipment Academy (China)
Xing Jin, Equipment Academy (China)
Peng Zhang, Equipment Academy (China)


Published in SPIE Proceedings Vol. 10157:
Infrared Technology and Applications, and Robot Sensing and Advanced Control

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