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Publications

Non-invasive studies of multiphase flow in process equipment. Positron emission particle tracking technique.

B. V. Balakin, T. C. H. Adamsen, Y.-F. Chang, P. Kosinski, and A. C. Hoffmann. Journal of Physics: Conference Series 781(1): 012039, 2017. 


Study of the flow in a hydrocyclone using positron emission particle tracking and computational fluid dynamics simulation.

Y.-F. Chang. PhD Thesis, University of Bergen (2016). ISBN: 978-82-308-3278-3  


A Lagrangian study of liquid flow in a reverse- flow hydrocyclone using positron emission particle tracking.

Y.-F. Chang and A. C. Hoffmann. Experiments in Fluids, 56(1):1–14, 2015.


PEPT: An invaluable tool for 3-D particle tracking and CFD simulation verification in hydrocyclone studies. 

Y.-F. Chang, T. C. H. Adamsen, G. I. Pisarev, and A. C. Hoffmann. European Physical Journal Web of Conferences, 50:05001p.1–p.8, 2013.


PEPT - A novel tool for investigation of pneumatic conveying. 

P. Middha, B. V. Balakin, L. K. Leirvåg, A. C. Hoffmann, and P. Kosinski. Powder Technology, 237: 87-96, 2013.


Using a PET camera to track individual phases in process equipment with high temporal and spatial resolutions: Algorithm development.

Y.-F. Chang, T. C. H. Adamsen, and A. C. Hoffmann. In Proceedings of 2012 IEEE International Instrumentation and Measurement Technology Conference (I2MTC), pages 2326– 2330, 2012.


Investigation of particle trajectories and flow patterns in a hydrocyclone by positron emission particle tracking (PEPT). 

Å. Skorpen, Master Thesis, University of Bergen (2012).


CFD modeling of PEPT results of particle motion trajectories in a pipe over an obstacle. 

M. Ghaffari, Y.-F. Chang, A. C. Hoffmann, and B. V. Balakin. AIP Conference Proceedings 1479: 193–196, 2012.


Particle flow in a hydrocyclone investigated by positron emission particle tracking. 

Y.-F. Chang, C. G. Ilea, Ø. L. Aasen, and A. C. Hoffmann. Chemical Engineering Science, 66(18):4203–4211, 2011.


Numerical study of the “end of the vortex” phenomenon in a hydrocyclone separator. 

Y.-F. Chang, G. I. Pisarev, and A. C. Hoffmann. AIP Conference Proceedings, 1389(1):183–186, 2011.


Particle flow in a hydrocyclone investigated by radioactive particle tracking. 

Y.-F. Chang, , C. G. Ilea, Ø. L. Aasen, and A. C. Hoffmann. Presented in European Conference on Fluid-Particle Separation (ECFPS) 2010.

Presentations

Visualising multiphase flow in process equipment and biological structure using PEPT.

Y.-F. Chang. Greater Stavanger Impact Week 2017.


Non-invasive studies of multiphase flow in process equipment. Positron emission particle tracking technique. 

B. V. Balakin, T. C. H. Adamsen, Y.-F. Chang, P. Kosinski, and A. C. Hoffmann. International Conference on Nuclear Reactor Physics 2016


PEPT and CFD investigation of lean-phase pneumatic conveying through a bend. 

P. Middha, B. V. Balakin, A. C. Hoffmann, and P. Kosinski. International Conference on Multiphase Flow (ICMF) 2013.


PEPT investigation of pneumatic conveying through a bend. 

P. Middha, B. V. Balakin, A. C. Hoffmann, and P. Kosinski. PARTEC2013.


Detecting anomalies in the separation process in a hydrocyclone using a medical PET scanner. 

Y.-F. Chang, Å. Skorpen, D. Fonnes, and A. C. Hoffmann. 6th International Symposium on Process Tomography, 2012. 


Particle trajectories in a hydrocyclone measured by PEPT. 

Y.-F. Chang, C. G. Ilea, Ø. L. Aasen, and A. C. Hoffmann. In FILTECH 2011 Conference Proceedings, volume 1, pages 173–180, 2011.


Cleansand project. 

Y.-F. Chang, TEKNA Separation Technology 2011 


PEPT: An invaluable tool for 3-D particle tracking and CFD simulation verification in hydrocyclone studies. 

Y.-F. Chang, T. C. H. Adamsen, G. I. Pisarev, and A. C. Hoffmann. Tracer 6 Conference, 2011.

Patents
  • Method for tracking multiple positron-emitting particles (Australian Provisional Patent Application No. 2016901634)

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