Electric Charging of Soot Particles in Aircraft Engine Exhaust Plumes |
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| Authors: | A B Vatazhin A M Starik E K Kholshchevnikova |
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| Affiliation: | (1) CRMC-N/CNRS, Campus de Luminy, 13009 Marseille, France;(2) Institute of Nuclear Physics, Moscow State University, 119899 Moscow, Russia;(3) Chemistry Department, Moscow State University, 119992 Moscow, Russia |
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| Abstract: | A physico-mathematical model is developed and the variation of the charge on soot particles interacting with positive and negative ions in the exhaust of modern subsonic aircraft is simulated numerically. The calculations are based the gas dynamic system of equations for an axisymmetric turbulent isobaric jet. The system is supplemented with the thermodynamic relations, kinetic equations, and equations for the turbulent viscosity. Ion and neutral and charged soot particle concentration distributions over the exhaust jet on the ground and under cruising flight conditions are obtained. |
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| Keywords: | jet ions soot aircraft engines |
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