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Experimental and Theoretical Investigations of Removal of NOx from Diesel-Type Engine Exhaust Using Dielectric Barrier Discharges
Technical Paper
1999-01-3686
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Removing toxic impurities from gaseous flows by electrical gas discharges has been investigated for almost two decades. Cold discharges, i.e. plasmas in which the electrons are not in thermal equilibrium with neutrals and ions, are a potential method for the conversion of NOx (NO, NO2) and hydrocarbons (HC) in exhaust gases of cars. In this work we present experimental results of removing nitric oxides in synthetic and real diesel exhaust and compare these results with modelling results using a spatially homogeneous, time-dependent model. We also compare results obtained by a two-dimensional, time-dependent model with experimental data measured with the LIF-method to test the accuracy of our numerical simulation results for the discharge behaviour.
Authors
Citation
Wegst, R., Neiger, M., Russ, H., and Liu, S., "Experimental and Theoretical Investigations of Removal of NOx from Diesel-Type Engine Exhaust Using Dielectric Barrier Discharges," SAE Technical Paper 1999-01-3686, 1999, https://doi.org/10.4271/1999-01-3686.Data Sets - Support Documents
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Also In
Non-Thermal Plasma for Exhaust Emission Control: Nox, Hc, and Particulates
Number: SP-1483; Published: 1999-10-25
Number: SP-1483; Published: 1999-10-25
References
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- Neiger, M. Wolf, O. Niessen, W. “Experimental Investigations and theoretical modelling of NO x -removal from exhaust gas by dielectric barrier discharges (Invited Paper) 3 rd Int. Conf. On Advanced Oxidation Technologies for Water and Air Remediation Cinncinati, Ohio, USA Sept. 26-29 1996
- Niessen, W. Wolf, O. Neiger, M. “The influence of ethene on the conversion of NO x in a dielectric barrier discharge J. Phys. D: Appl. Phys. 31 542 550 1998
- Levin, P. L. “Donor-cell-approach to charge-coupled electrostatic problems” Carnegie Mellon University 1988
- Spaan, M. Heidelberg November 1998
- Russ, H. Neiger, M. Lang, J. “Simulation of Micro discharges for the Optimization of Energy Requirements for Removal of NO x from Exhaust Gases” IEEE Transactions on Plasma Science 27 1 38 39 1999