1. 1Department of Mechanical Engineering, School of Engineering, College of Engineering and Physical Sciences, The University of Birmingham, Birmingham, B15 2TT, UK
2. 2Cranfield University, White Building, Cranfield, Bedfordshire, MK43 0AL, UK
3. 3European Bioenergy Research Institute (EBRI), Aston University, The Aston Triangle, Birmingham, B4 7ET, UK
4. 4Department of Chemical and Process Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, Guilford, GU2 7XH, UK
5. 5Department of Mechanical Engineering, School of Engineering, College of Engineering and Physical Sciences, The University of Birmingham, Birmingham, B15 2TT, UK