Conference Proceedings

2020

• McKechnie, T.; McGregor, C; Venter; G. (2020). “Concentrating Solar Thermal Process Heat for Manganese Ferroalloy Production: Plant Modelling and Thermal Energy Storage Dispatch Optimization“. ASME ES 2020: 14th International Conference on Energy Sustainability, 8 – 10 June 2020, Denver, CO, USA.
• Liebenberg, A.D.; Smit, W.J. (2020). “Wireless Communication For A Modular Heliostat Field“. 2020 International SAUPEC/RobMech/PRASA Conference, Cape Town, South Africa. doi: 0.1109/SAUPEC/RobMech/PRASA48453.2020.9041141

2019

• Hoffmann, J.E.; Lindeque, P.J. (2019). “Pressure Drop through Randomly Packed Beds of Ellipsoidal Particles“. 14th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, 22 – 25 July 2019, Wicklow, Ireland.
• van der Westhuizen, R.; Groenwold, A.A.; van der Spuy, S.J.; Dobson, R.T. (2019). “Modelling and Optimisation of Supercritical Carbon Dioxide Turbomachinery“. 3rd European Supercritical CO2 Conference, Paris, France, 19-20 September 2019.
• Venter, A.J. Owen, M., Muiyser, J. (2019). “Numerical Investigation into the Effects of Peripheral Windscreens on Air-cooled Condenser Fan Performance Under Windy Conditions“. 19th IAHR International Conference on Cooling Tower and Air Cooled Heat Exchanger, 8-10 October 2019, Washington DC, USA.

SASEC 2019

• Kehinde, A.; Hoffmann,J. (2019). “Feasibility study of once-through cooling for solar thermal power plant on the lower Orange River“. SASEC 2019, 6th South African Solar Energy Conference, 25 – 27 November 2019, East London, South Africa.
• Kiessling, M.; Harms, T.; Lubkoll, M. (2019). “Comparison and cost analysis of promising hydrogen storage technologies for long term energy storage“. SASEC 2019, 6th South African Solar Energy Conference, 25 – 27 November 2019, East London, South Africa.
• Meas, M.R.; von Backström, T.W.; van der Spuy, J. (2019). “Effects of engine topology on the low-irradiance performance of solar gas turbine stystems: a first analysis“. SASEC 2019, 6th South African Solar Energy Conference, 25 – 27 November 2019, East London, South Africa.

SolarPACES 2018

• Basson, E.; Hoffmann, J.; Sebitosi, B. (2019). “Design and testing of externally finned tube cavity receiver for Brayton cycle preheating purposes“. AIP Conference Proceedings, Vol. 2126(1).
  
• Craig, O.; Duvenhage, D.F.; Brent, A.; Dinter, F. (2019). “An analysis of local manufacturing capacity, economic and trade impact of concentrating solar power (CSP) in South Africa“. AIP Conference Proceedings, Vol. 2126(1).
• Duvenhage, D.F.; Brent, A.C.; Stafford, W.H.L.; Craig, O. (2019). “Water and CSP – A preliminary methodology for strategic water demand assessment“. AIP Conference Proceedings, Vol. 2126(1).
• Erasmus, S.J.; von Backström, T.W.; Lubkoll, M.; Dinter, F. (2019). “Design and development of a next generation thermal rock bed storage experimental facility“. AIP Conference Proceedings, Vol. 2126(1).
• Hockaday, L.; Dinter, F.; Harms, T.; Reynolds, Q. (2019). “The solar thermal treatment of manganese ore pellets using closed-loop forced convection of air“. AIP Conference Proceedings, Vol. 2126(1).
• Pan, C.A.; Guédez, R.; Dinter, F.; Harms, T.M. (2019). “A techno-economic comparative analysis of thermal oil and molten salt parabolic trough power plants with molten salt solar towers“. AIP Conference Proceedings, Vol. 2126(1).
• Van der Westhuizen, R.; Dobson, R.T. (2019). “Modelling and simulation of a supercritical carbon dioxide (Sco2) concentrated solar power (CSP) system“. AIP Conference Proceedings, Vol. 2126(1).

2018

• De la Bat, B.J.G.; Dobson,R.T. (2018). “Theoretical simulation, design and manufacture, and experimental evaluation of a free piston Stirling engine (FPSE) electric generator“. AIAA/IEEE Electric Aircraft Technologies Symposium, Ohio, USA, AIAA 2018: 1-20.

SASEC 2018

• Basson, E.J.J.; Hoffmann, J.E.; Sebitosi, A.B. (2018). “Design and testing of externally finned tube cavity receiver for Brayton Cycle preheating purposes“. SASEC 2018, 5th Southern African Solar Energy Conference, 25 – 27 June 2018, Durban, South Africa.
• Clark, S.R.; van Niekerk, J.L.; Petrie, J. (2018). “Review of large independent electricity grid systems’ transition to renewable generation and its relevance for South Africa“. SASEC 2018, 5th Southern African Solar Energy Conference, 25 – 27 June 2018, Durban, South Africa.
• Craig, T.; Brent, A.; Dinter, F. (2018). ” Expert elicitation of the impact of R&D budget on CSP in South Africa“. SASEC 2018, 5th Southern African Solar Energy Conference, 25 – 27 June 2018, Durban, South Africa.
• Erasmus, S.J.; von Backström, T.W.; Lubkoll, M.; Dinter, F. (2018). “Design and development of a next generation thermal rock bed storage experimental facility“. SASEC 2018, 5th Southern African Solar Energy Conference, 25 – 27 June 2018, Durban, South Africa.
• Grobbelaar, D.; Lubkoll, M.; von Backström, T.W. (2018). “Improving the heat transfer characteristcs of the Spiky Central Receiver Air Pre-heater (SCRAP) using helically swirled fins“. SASEC 2018, 5th Southern African Solar Energy Conference, 25 – 27 June 2018, Durban, South Africa.
• Hockaday, S.A.C.; Dinter, F.; Harms, T.M. (2018). “Introducing solar thermal heat into minerals processing: A case study on replacing a diesel burner at a sinter plant“. SASEC 2018, 5th Southern African Solar Energy Conference, 25 – 27 June 2018, Durban, South Africa.
• Hoffmann; J.; Brand, B. (2018). “Manufacturing trials of a ribbed tube for the Spiked Concept Air Pre-heater“. SASEC 2018, 5th Southern African Solar Energy Conference, 25 – 27 June 2018, Durban, South Africa.
• Lubkoll, M.; Hockaday, S.A.C.; Harms, T.M.; von Backström, T.W.; Amsbeck, L.; Buck, R. (2018). “Integrating solar process heat into manganese ore pre-heating“. SASEC 2018, 5th Southern African Solar Energy Conference, 25 – 27 June 2018, Durban, South Africa.
• McDougall, D.; von Backström, T.W.; Lubkoll, M.; Sebitosi, B. (2018). “Jet impingement heat transfer effect on SCRAP“. SASEC 2018, 5th Southern African Solar Energy Conference, 25 – 27 June 2018, Durban, South Africa.
• Pan, C.; Dinter, F.; Harms, T.M. (2018). “Validation of a molten salt parabolic trough receiver model based on an empirical heat loss model“. SASEC 2018, 5th Southern African Solar Energy Conference, 25 – 27 June 2018, Durban, South Africa.
• Piessou, C.O.; Owen, M.T.F.; Lubkoll, M. (2018). “Pre-feasibility analysis of incorporating non-concentrating solar thermal energy systems in the Kenyan tea industry“. SASEC 2018, 5th Southern African Solar Energy Conference, 25 – 27 June 2018, Durban, South Africa.
• van der Westhuizen, R.; Dobson, R.T. (2018). “Transient simulation of a supercritical carbon dioxide (sCO2) concentrated solar power (CSP) system“. SASEC 2018, 5th Southern African Solar Energy Conference, 25 – 27 June 2018, Durban, South Africa.

SolarPACES 2017

• Craig, O.O.; Brent, A.C.; , Duvenhage, D.F.; Dinter, F. (2018). “Systems approach to concentrated solar power (CSP) technology adoption in South Africa“. AIP Conference Proceedings, Vol. 2033(1).
• Dinter, F.; S. Tolksdorf. (2018). “Design of a molten salt parabolic trough power plant with thermal energy storage and a novel freezing protection“. AIP Conference Proceedings, Vol. 2033(1).
• Duvenhage D.F; Craig, O.O.; Brent, A.C.; Stafford, W.H.L. (2018). “Future CSP in South Africa – A review of generation mix models, their assumptions, methods, results and implications“. AIP Conference Proceedings, Vol. 2033(1).
• Heller, L.; Hoffmann, J. (2018). “Performance of a SUNDISC cycle CSP plant for off-grid baseload applications in Chile“. AIP Conference Proceedings, Vol. 2033(1).
• Hockaday, S.A.C.; Reynolds, Q.G.; Dinter, F.; Harms, T.M. (2018). “Solar thermal treatment of manganese ores“. AIP Conference Proceedings, Vol. 2033(1).
• Hoffmann, J.E. (2018). “Pressure drop though random and structured beds of ellipsoidal particles“. AIP Conference Proceedings, Vol. 2033(1).
• Lubkoll, M., Harms, T.M.; Von Backström, T.W. (2018). “Performance prediction of the SCRAP pressurized air receiver“. AIP Conference Proceedings, Vol. 2033(1).
• Pan, C.A.; Ferruzza, D.; Guédez, R.; Dinter, F.; Laumert, B.; Haglind, F. (2018). “Identification of optimum molten salts for use as a heat transfer fluids in parabolic trough CSP plants. A techno-economic comparative optimization“. AIP Conference Proceedings, Vol. 2033(1).

2017

• Craig, O.O.; Brent,A.C.; Dinter, F. (2017). “The current and future energy economics of concentrated solar power (CSP) in South Africa“. 28th SAIIE Annual Conference, 25 – 27 October 2017, Vanderbijlpark, South Africa.
• Engelbrecht, R.A.; Van der Spuy; S.J.; Meyer, C.; Zapke, A. (2017). “Numerical investigation of the performance of a forced draft air-cooled heat exchanger“. ASME Turbo Expo 2017: Power for Land, Sea, and Air, Vol. 5(A): Heat Transfer, 26 – 30 June 2017, Charlotte, USA.
• Karsten, L.; Hoffmann, J.; Dinter, F. (2017). “An organic rankine cycle as technology for smaller concentrated solar powered systems“. ISES Solar World Congress, 29 October – 2 November 2017, Abu Dhabi, UAE.
• Krog, W.; Hess, S.; Hoffmann, J.; Dinter, F. (2017). “Solar live steam generation and solar bagasse drying for South African sugar mills“. South African Sugar Technologists’ Association (SASTA) Congress, 15 – 17 August 2017, Durban, South Africa.
• Mabaso, M. (2017). “Scaled energy systems analysis: Evaluation of scenarios for a distributed energy system in an informal urban settlement”. 3rd International Conference on Renewable Energy and Development (ICRED 2017), 25 – 29 September 2017, Berlin, Germany.
  
• Niit, E.A.; Smit, W.J. (2017).” Integration of model reference adaptive control (MRAC) with PX4 firmware for quadcopters“. IEEE 24th International Conference on Mechatronics and Machine Vision in Practice (M2VIP), 21 – 23 November 2017, Auckland, New Zealand.
• Wilkinson, M.B.; Van der Spuy, S.J.; Von Backtröm, T.W. (2017). “The design of a large diameter axial flow fan for air-cooled heat exchanger applications“. ASME Turbo Expo 2017: Power for Land, Sea, and Air, Vol. 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, 26 – 30 June 2017, Charlotte, USA.

SolarPACES 2016

• Dall, E.P.; Hoffmann, J.E. (2017). “The techno-economic optimization of a 100 MWe CSP-desalination plant in Arandis (Namibia)“. AIP Conference Proceedings, Vol. 1850(1).
• de Meyer, O.A.J.; Dinter, F.; Govender, S. (2017). “Value as a parameter to consider in operational strategies for CSP plants“. AIP Conference Proceedings, Vol. 1850(1).
• Heller, L.; Hoffmann, J.E. (2017). “Enhancements to the hybrid pressurized air receiver (HPAR) concept in the SUNDISC cycle“. AIP Conference Proceedings, Vol. 1850(1).
• Landman, W.A.; Gauche, P.; Dinter, F.; Myburgh, J.T. (2017). “Techno-economic sensitivity study of heliostat field parameters for micro-gas turbine CSP“. AIP Conference Proceedings, Vol. 1850(1).
• Laubscher, H.F.; Von Backström, T.W.; Dinter, F. (2017). “Developing a cost effective rock bed thermal energy storage system: Design and modelling“. AIP Conference Proceedings, Vol. 1850(1).
• Lubkoll, M.; Harms, T.M.; Von Backström, T.W. (2017). “Introduction to heat transfer test setup for the SCRAP receiver“. AIP Conference Proceedings, Vol. 1850(1).
• Pidaparthi, A.S.; Hoffmann, J.E. (2017). “Effect of heliostat size on the levelized cost of electricity for power towers“. AIP Conference Proceedings, Vol. 1850(1).
• Pidaparthi, A.S.; Landman,W.A.; Hoffmann, JE.; Dinter, F. (2017). “Optical performance considerations for analysis and simulation of power tower plants“. AIP Conference Proceedings, Vol. 1850(1).
• Poole, I.V.; Dinter, F. (2017). “A molten salt tower model used for site selection in South Africa using SAURAN meteorological data“. AIP Conference Proceedings, Vol. 1850(1).

2016

• De lat Bat, B.J.G.; Dobson, R.T. (2016). “Modelling, simulation and design of a testable 200 We dual generator free-piston Stirling engine“. 17th International Stirling Engine Conference and Exhibition (ISEC), 24 – 26 August 2016, Newcastle upon Tyne, United Kingdom.
• Hess, S.; Beukes, H.T. ; Smith, G.; Dinter, F. (2016). “Solar Process Heat for South African Sugar Mills“. EuroSun 2016, European Solar Conference, 11 – 14 October 2016, Palma de Mallorca.

SASEC 2016

• Craig, O.O.; Dobson, R.T.; van Niekerk, J.L. (2016). “A novel indirect parabolic solar cooker“. SASEC 2016, 4th Southern African Solar Energy Conference, 31 Oct – 2 Nov 2016, Stellenbosch, South Africa.
• Dall, E.P.; Hoffmann, J.E. (2016). “Integrating desalination with CSP: Large scale cogeneration of water and electricity“. SASEC 2016, 4th Southern African Solar Energy Conference, 31 Oct – 2 Nov 2016, Stellenbosch, South Africa. 
• Elsayed, F.; Laubscher, H.F.; Allen, K.; Dinter, F. (2016). “Combined mechanical and thermal loading of a hot air packed rock bed: A test rig for thermal energy storage“. SASEC 2016, 4th Southern African Solar Energy Conference, 31 Oct – 2 Nov 2016, Stellenbosch, South Africa. 
• Guerreiro, L.; Dinter, F.; Laubscher, H.F.; Allen, K.; Elsayed, F.; Collares Pereira, M. “High temperature energy storage in a rock-bed test facility“. SASEC 2016, 4th Southern African Solar Energy Conference, 31 Oct – 2 Nov 2016, Stellenbosch, South Africa.
• Hockaday, S.A.C.; Dinter, F.; Harms, T.M. (2016). “Opportunities for concentrated solar thermal heat in the minerals processing industry“. SASEC 2016, 4th Southern African Solar Energy Conference, 31 Oct – 2 Nov 2016, Stellenbosch, South Africa.
• Hoffmann, J.E. (2016). “Lumped method for calculating the optical efficiency of radially staggered heliostat fields“. SASEC 2016, 4th Southern African Solar Energy Conference, 31 Oct – 2 Nov 2016, Stellenbosch, South Africa.
• Hoffmann, J.E. (2016). “On the optimization of a central receiver system“. SASEC 2016, 4th Southern African Solar Energy Conference, 31 Oct – 2 Nov 2016, Stellenbosch, South Africa.
• Ilchmann, C.; Hess, S.; Klatt, M. (2016). “Open Source Modeling of Solar Process Heat Systems“. SASEC 2016, 4th Southern African Solar Energy Conference, 31 Oct – 2 Nov 2016, Stellenbosch, South Africa.
• Joubert, E.C.; Hess, S.; van Niekerk, J.L. (2016). “Large-Scale Solar Thermal in South Africa: Status, Barriers and Recommendations“. SASEC 2016, 4th Southern African Solar Energy Conference, 31 Oct – 2 Nov 2016, Stellenbosch, South Africa.
• Laubscher, H.F.; von Backström, T.W.; Dinter, F. (2016). “Development and design of an experimental facility for cost effective thermal rock bed storage systems“. SASEC 2016, 4th Southern African Solar Energy Conference, 31 Oct – 2 Nov 2016, Stellenbosch, South Africa.
• Lubkoll, M.; Harms, T.M.; von Backström, T.W. (2016). “Introduction to heat transfer test setup and manufacturing process for the SCRAP receiver“. SASEC 2016, 4th Southern African Solar Energy Conference, 31 Oct – 2 Nov 2016, Stellenbosch, South Africa.
• Pidaparthi, A.S.; Duvenhage, D.F.; Hoffmann, J.E. (2016). “A parametric study of heliostat size for reductions in levelized cost of electricity“. SASEC 2016, 4th Southern African Solar Energy Conference, 31 Oct – 2 Nov 2016, Stellenbosch, South Africa.
• Poole, I.V.; Dinter, F. (2016). “Increasing the temporal resolution of direct normal irradiance data using the South African Universities Radiometric Network“. SASEC 2016, 4th Southern African Solar Energy Conference, 31 Oct – 2 Nov 2016, Stellenbosch, South Africa.
• Prentice, G.; Brent, A.C.; de Kock, I.H. (2016). “Evaluation of existing strategies for the commercialisation of mult-technology renewable energy systems: The case of concentrating solar power technologies in South Africa“. SASEC 2016, 4th Southern African Solar Energy Conference, 31 Oct – 2 Nov 2016, Stellenbosch, South Africa.
• Rudman, J.; Gauché, P.; Esler, K.J. (2016). “Environmental impacts of utility-scale solar power in South Africa: A first survey of experts and stakeholders