CENTRE FOR RENEWABLE AND SUSTAINABLE ENERGY STUDIES

PUBLICATIONS

2014

1Le Roux W, Bello-Ochende T and Meyer JP; The efficiency of an open cavity solar receiver for a small-scale solar thermal Brayton cycle, Energy Conversion and Management, Vol. 84, pp. 457-470, 2014
2Stander, Johan N.; Kamper, Maarten J.; Venter, Gerhard. Analytic modelling and optimization of slip synchronous permanent magnet wind turbine generator topologies. Wind Energy. John Wiley & Sons, Ltd. 2014. doi: 10.1002/we.1756.
3Gauché, P.; Brent. A. C.; von Backström, T.W. (2014). "Concentrating solar power: Improving electricity cost and security of supply, and other economy benefits." Development Southern Africa (ahead-of-print), pp. 1-19.
4Grobbelaar. S.; Gauché, P.; Brent. A.C. (2014). "Developing a competitive concentrating solar power industry in South Africa : Current gaps and recommended next steps." Development Southern Africa 31.3, pp. 475-493.
5Garach D, Dirker J and Meyer JP; Inlet flow effects in micro-channels in the laminar and transitional regimes on single-phase heat transfer coefficients and friction factors, International Journal of Heat and Mass Transfer, Vol. 77, 612–626, 2014
6Raymond Kimera, Richard Okou, Adoniya Ben Sebitosi, Kehinde O Awodele; Considerations for a sustainable hybrid mini-grid system: A case for Wanale village, Uganda, Journal of Energy in Southern Africa . 02/2014; 25(1):33-43.
7B. Msimanga, A.B. Sebitosi; South Africa's non-policy driven options for renewable energy development. Renewable Energy . 01/2014; 69:420–427.
8C Silinga, P Gauché Scenarios for a South African CSP Peaking System in the Short Term. Energy Procedia 49: 1543-1552.
9K Malan, P Gauché Model based Open-loop Correction of Heliostat Tracking Errors. Energy Procedia 49: 2118-2124.
10Heller, L & Gauché, P., 2014. Duel-pressure air receiver cycle for direct storage charging. In Energy Proceida. Las Vegas, USA, pp`1400-1409.
11Craig KJ, Gauché P, Kretzschmar, H; CFD analysis of solar tower Hybrid Pressurized Air Receiver (HPAR) using a dual-banded radiation model. Solar Energy 2014; 110 : 338-355.
12De Meyer O, Okou R, Sebitosi AB, Pillay P; Practical considerations for low pressure solar water heaters in South Africa. Journal of Energy in Southern Africa 2014; 25(3) : 36-45.
13Kimera R, Okour R, Sebitosi AB, Awodele K; Considerations for a sustainable hybrid minigrid system: A case for Wanale village, Uganda. Journal of Energy in Southern Africa 2014; 25(1) : 33-43.
14Msimange B, Sebitosi AB. South Africa's non-policy driven options for renewable energy development. Renewable Energy 2014; 69 : 420-427.
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2013

1Owen, M, Kröger, DG, Contributors to increased fan inlet temperature at an air-cooled steam condenser, Applied Thermal Engineering, Vol. 50 pages 1149-1156, 2013
2Allen, K.G., von Backström, T.W., Kröger, D.G., Packed bed pressure drop dependence on particle shape, size distribution, packing arrangement and roughness, Power Technology???? Not yet accepted
3Owen, M, Kröger, DG. Contributors to increased fan inlet temperature at an air-cooled steam condenser. Applied Thermal Engineering, Vol50:1149-1156, 2013
4Pierce, W., Gauché, P., von Backström, T.W., Brent, A., Tadros, A., A comparison of solar aided power generation (SAPG) and stand-alone concentrating solar power (CSP): A South African case study. Applied Thermal Engineering 61 (2013) 657-662
5Janse van Rensburg, P.J., Groenwold, A.A., Wood, D.W., Optimization of cylindrical composite flywheel rotors for energy storage. Struct Multidisc Optim (2013) 47:135-147
6Heller, L., Gauché, P., 2013., Modeling of the rock bed thermal energy storage system of a combined cycle solar thermal power plant in South Africa. Solar Energy 93 (2013) 345-356
7Gauché, P., von Backström, T.W., Brent, A.C., A concentrating solar power value proposition for South Africa. Journal of Energy in Southern Africa, Vol 24 No1, Feb 2013
8Kotzé, J.P., von Backström, T.W., Erens, P.J., 2013.,High Temperature Thermal Energy Storage Utilizing Metallic Phase Change materials and Metallic Heat Transfer Fluids. Journal of Solar Energy Engineering, Vol 135, Issue 3, 2013
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2012

1Danie Diedericks, Eugéne van Rensburg and Johann F. Görgens. (2012). Fractionation of sugarcane bagasse using a combined process of dilute acid and ionic liquid treatments. Manuscript submitted for publication to Bioresource Technology.
2Danie Diedericks; Eugéne van Rensburg; María Del Prado García-Aparicio; Johann F. Görgens. Enhancing the enzymatic digestibility of sugarcane bagasse through the application of an ionic liquid in combination with an acid catalyst. Biotechnology Progress 2012; 28(1):76-84.
3Gouws PA, Brent AC, Pierce WT, 2012. The contribution of energy efficiency towards the success of industrial organisations in South Africa. South African Journal of Industrial Engineering 23 (2), 57-65.
4Pienaar J, Brent AC, 2012. A model for evaluating the economic feasibility of small-scale biodiesel production systems for on-farm fuel usage. Renewable Energy 39 (1), 483-489.
5Brent AC, 2012. Technology assessment in developing countries: Sustainable energy systems in the African context. International Journal of Innovation and Technology Management, October 2012, 9 (5).
6Broughton EK, Brent AC, Haywood L, 2012. Application of a multi-criteria analysis approach for decision-making: The case of concentrating solar power in South Africa. Energy &Environment, December 2012, 23(8), 1221-1232.
7Musango JK, Brent AC, Amigun B, Pretorius L, Müller H, 2012. A system dynamics approach to technology sustainability assessment: The case of biodiesel developments in South Africa. Technovation 32, 639-651.
8Gouws PA, Brent AC, Pierce WT, 2012. The contribution of energy efficiency towards the success of industrial organisations in South Africa. South African Journal of Industrial Engineering 23 (2), 57-65.
9Pienaar J, Brent AC, 2012. A model for evaluating the economic feasibility of small-scale biodiesel production systems for on-farm fuel usage. Renewable Energy 39 (1), 483-489.
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2011

1Van Zyl, JM, Van Rensburg, E, van Zyl, WH, Harms, TM, Lynd, LR. A Kinetic Model for Simultaneous Saccharification and Fermentation of Avicel With Saccharomyces cerevisiae, Biotechnology and Bioengineering DOI10.1002/bit.23000, 30 November 2010.
2Suliman R., Oxtoby O., Malan AG, and Kok .S, (2011), "Development of stronlgy coupled FSI technology involving thin walled structures", Proceedings of the 2nd African Conference on Computational Mechanics – An International Conference – AfriCOMP11, Paper no. 132, Cape Town, South Africa, 5-8 January 2011.
3Owen, MTF., Kröger, D., "An investigation of air-cooled steam condenser performance under windy conditions using CFD", ASME JEGTP, Vol 133, June 2011.
4Musango JK, Brent AC, 2011. Assessing the sustainability of energy technological systems in Southern Africa: A review and way forward. Technology in Society, 33, 145-155
5Amigun B, Musango JK, Brent AC, 2011. Community perspectives on the introduction of biodiesel production in the Eastern Cape Province of South Africa: Questionnaire survey results. Energy, 36(5), 2502-2508.
6Barry M-L, Steyn H, Brent AC, 2011. Selection of renewable energy technologies for Africa: Eight case studies in Rwanda, Tanzania and Malawi. Renewable Energy, 36(11), 2845-2852
7Musango JK, Brent AC, 2011. A conceptual framework for energy technology sustainability assessment. Energy for Sustainable Development, 15, 84-91.
8Adeyemo O, Wise RM, Brent AC, 2011. The impacts of biodiesel feedstock production systems in South Africa: An application of a partial equilibrium model to the Eastern Cape social accounting matrix. Journal of Energy in Southern Africa, 22(1), 2-11.
9Musango JK, Brent AC, 2011. Assessing the sustainability of energy technological systems in Southern Africa: A review and way forward. Technology in Society, 33, 145-155
10Amigun B, Musango JK, Brent AC, 2011. Community perspectives on the introduction of biodiesel production in the Eastern Cape Province of South Africa: Questionnaire survey results. Energy, 36(5), 2502-2508.
11Barry M-L, Steyn H, Brent AC, 2011. Selection of renewable energy technologies for Africa: Eight case studies in Rwanda, Tanzania and Malawi. Renewable Energy, 36(11), 2845-2852
12Musango JK, Brent AC, 2011. A conceptual framework for energy technology sustainability assessment. Energy for Sustainable Development, 15, 84-91.
13Adeyemo O, Wise RM, Brent AC, 2011. The impacts of biodiesel feedstock production systems in South Africa: An application of a partial equilibrium model to the Eastern Cape social accounting matrix. Journal of Energy in Southern Africa, 22(1), 2-11.
Damerau, K., Williges, K., Patt, A.G., Gauchë, P., 2011. Costs of reducing water use of concentrating solar power to sustainable levels: Scenarios for North Africa, Vol 39, Issue 7, pp 4391-4398.
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2010

1Olivier J.A. and Meyer J.P.; "Single-phase Heat Transfer and Pressure Drop of the Cooling of Water Inside Smooth Tubes for Transitional Flow with Different Inlet Geometries (RP-1280)", HVAC&R Research, Manuscript number RSCH-00024-2010, Manuscript RSCH-00024-2010, accepted on 22 March 2010.
2Meyer J.P. and Olivier J.A.; "Transitional Adiabatic Pressure Drop inside Enhanced Tubes for Fully Developed and Developing Flow with Different Types of Inlet Disturbances, International Journal for heat and Mass Transfer", Manuscript RB 10 021, submitted on 26 March 2010.
3Meyer J.P. and Olivier J.A.; "Transitional Heat Transfer and pressure Drop inside Enhanced Tubes with the Cooling of Water for Different Types of Inlet Geometries", International Journal for Heat and Mass Transfer, Manuscript RB 10 022, submitted on 26 March 2010.
4Suliman R., Kyembe M., And Meyer J.P., (2010), "Experimental Investigation and Validation of Heat Transfer Coefficients during Condensation of R-134A at Low Mass Fluxes", Proceedings of the 7th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, P6.aper no. 1715, Antalya, Turkey, 19-21 Julie 2010.
5Suliman R., Oxtoby O., Malan AG, and Kok .S, (2010), "An enhanced matrix-free edge-base8.d finite volume approach to model structure", Proceedings of the 7th South African Conference on Computational and Applied Mechanics, Paper no. 074, Pretoria, South Africa, 10-13 January 2010.
6Stander, JN, Review of direct drive radial flux wind turbine generator mechanical design, Wind Energy Journal http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1099-1824
7Smith, L., Oxtoby O., Malan AG, and Meyer, JP, (2010), "Efficient modeling of aerodynamic flow in the boundary layer of high performance computing", IASSA Conference, Gordons Bay, 23-25 November 2010.
8Owen, MTF., Kröger, D., "The effect of screens on air-cooled steam condenser performance under windy conditions", Applied Thermal Engineering, Vol30, 2610-2615, 2010..
9Brent AC, Sigamoney R, von Blottnitz H, Hietkamp S, 2010. Life cycle inventories to assess value chains in the South African biofuels industry. Journal of Energy in Southern Africa, 21(4), 15-25.
10Musango JK, Amigun B, Brent AC, 2010. Understanding the implication of investing in biodiesel production in South Africa: a system dynamics approach. International Conference of the System Dynamics Society, Seoul, Korea.
11 Brent AC, , Rogers DEC, 2010. Renewable rural electrification: Sustainability assessment of mini-hybrid off-grid technological systems in the African context. Renewable Energy, 35, 257-265.

12Heyns, J.A. and Kröger, D.G., 2010. Thermal-Flow Performance Characteristics Of An Air-Cooled Steam Condenser Incorporating A Hybrid (Dry/Wet) Dephlegmator, Applied Thermal Energy.

13Dos Santos Bernardes, M.A. &Von Backström, T.W. Evaluation of operational control strategies apliccable to solar chimney power plants, Solar Energy 84 (2010) 277-288

14Ijumba, P & Sebitosi, AB, Evaluating the impact of consumer behaviour on the performance of domestic solar water heating systems in South Africa, Journal of Energy in Southern Africa, Vol 21 no 1, February 2010. ISSN 1021 447X.

15Tsikata, M & Sebitosi, AB, Struggling to wean a society away from a century-old legacy of coal based power: Challenges and possibilities for South African Electric supply future, Energy 35 (2010) 1281-1288.

16Sebitosi, AB, & Okou, R. Re-thinking the power transmission model for sub-Saharan Africa, Energy Policy 38 (2010) 1448-1454.

17Van der Spuy, S.J., Von Backström, T.W. and Kröger, D.G., An evaluation of simplified methods to model the performance of axial flow fan arrays, R&D Journal, 26 , pp.12-20.
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2009

1Suliman R., Liebenberg L. And MEYER J.P., "Improved Flow Pattern Map for Accurate Prediction of the Heat Transfer Coefficients during Condensation of R-134a in Smooth Horizontal Tubes and Within the Low-mass Flux range", International Journal of Heat and Mass Transfer, Vol. 52, No. 25-26, pp. 5701-5711, 2009.
2Brent AC, Hietkamp S, Wise RM, O’Kennedy K, 2009. Estimating the carbon emissions balance for South Africa. South African Journal of Economic and Management Sciences, 12(3), 263-279.
3Barry M-L, Steyn H, Brent AC, 2009. Determining the most important factors for sustainable energy technology section in Africa. South African Journal of Industrial Engineering, 20(2), 33-51.
4Barry M-L, Steyn H, Brent AC, 2009. The use of the focus group technique in management research: The example of renewable energy technology selection in Africa. Journal of Contemporary Management, 6, 229-240.
5Taviv R, Brent AC, Fortuin H, 2009. An environmental impact tool to assess national energy scenarios. International Journal of Environmental Science and Engineering, 1(4), 183-188
6Brent AC, Wise R, Fortuin H, 2009. The viability of the South African biofuels industrial strategy. International Journal of Environment and Pollution, 39(1/2), 74-91.
7Bubou GM, Brent AC, Tredoux C, 2009. Towards addressing the social sustainability performance of the petroleum industry in the Niger delta region of Nigeria. South African Journal of Industrial Engineering, 20(1), 119-131.
8Brent AC, Kruger JL, 2009. Systems analyses and the sustainable transfer of renewable energy technologies: A focus on remote areas of Africa. Renewable Energy, 34, 1774-1781.

9Fluri, T.P. 2009. The potential of concentrating solar power in South Africa. Energy Policy 2009; 37 : 5075-5080.

10Fluri, T.P., Pretorius, J.P. Van Dyk, C., Von Backström, T.W., Kröger, D.G., Van Zijl, G.P.A.G., Cost Analysis of Solar Chimney Power Plants, Solar Energy, Vol. 83, Issue 2, pp. 246 – 256, 2009.
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2008

1Suliman R., Liebenberg L., Meyer J.P. (2008), "Updated Low Mass Flux Transition Criterion during Refrigerant Condensation in Smooth Horizontal Tubes", Proceedings of the 6th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Paper no. SR1, Pretoria, South Africa, 30 June – 2 July 2008.
2Zieleniewski M, Brent AC, 2008. Evaluating the achievable benefits of extending technologies for uneconomical coal resources in South Africa: The case of underground coal gasification. Journal of Energy in Southern Africa, 19(4), 21-31.
3Lotz M, Brent AC, 2008. A review of carbon dioxide capture and sequestration (CCS) and the Kyoto Protocol’s clean development mechanism (CDM) and prospects for Southern Africa. Journal of Energy in Southern Africa, 19(1), 13-24.
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2007

1Heuberger R, Brent AC, Santos L, Sutter C, Imboden D, 2007. CDM projects under the Kyoto Protocol: A methodology for sustainability assessment – experiences from South Africa and Uruguay. Environment, Development and Sustainability, 9, 33-48.
2Brent AC, Petrick W, 2007. Environmental Impact Assessment (EIA) during project execution phases: Towards a stage-gate project management model for the raw materials processing industry of the energy sector. Impact Assessment and Project Appraisal, 25(2), 111-122.
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