1. Discipline of Chemical Engineering, School of Engineering, University of KwaZulu-Natal, Durban, South Africa
2. Siemens Digital Industries Software, London, U.K.
3. Scuola di Ingegneria, Università della Basilicata, Potenza, Italy
4. National Research Council (CNR), Istituto per la Scienza e Tecnologia dei Plasmi (ISTP), Bari, Italy
5. Laboratoire Plasma et Conversion d’Energie (LAPLACE), Institut National Polytechnique de Toulouse (INPT), Université de Toulouse, UPS, Toulouse, France
6. Department of Chemical Engineering, University of Pretoria, Hatfield, Pretoria, South Africa