Conference Proceedings

2017

SolarPACES 2016

2016

SASEC 2016

2015

SolarPACES 2015

  • Helmke, A & Hess, S 2015, ‘Classification of Solar Process Heat System Concepts’ in Integration Guideline – Guideline for Solar Planners, Energy Consultants and Process Engineers, ed B Muster, pp. 61-76, Available from http://task49.iea-shc.org/. [17 July 2015].
  • Hess, S 2015, ‘Technologies and Perspectives for Solar Water Heating and Solar Process Heat in Southern Africa’. Paper presented at 1st International Renewable Energy Symposium IRES, 29 to 30 October 2015, Windhoek.
SASEC 2015

2014

SolarPACES 2014

2013

SolarPACES 2013
  • Owen, M. T. F. and Kröger, D. G. (2013). “A Hybrid Dephlegmator for Incorporation into an Air-Cooled Steam Condenser”. Proceedings of ICAE 2013. Pretoria, South Africa.

2012

2011

2010

  • Pretorius, J. P. and Kröger, D. G. (2010). “Basic Theory And Numerical Simulation Of Large-Scale Solar Updraft Power Plants”. Proceedings of 2nd International Conference on Solar Chimney Power Technology. Bochum, Germany.
  • Maulbetsch, J. S.; DiFilippo, M. N.; Owen, M. and Kröger, D. G. (2010). “Wind Effects On Air-Cooled Condensers For Power Plant Cooling”. Proceedings of IHTC-14. Washington D.C., USA.
  • Kuhn, M.; von Backström, T. W. and Fluri, T. P. (2010). “The Influence of Tip Clearance Effects on the Performance of Solar Chimney Turbines”. Proceedings of 2nd International Conference on Solar Chimney Power Technology. Bochum, Germany.
  • von Backström, T. W. and Fluri, T. P. (2010). “Solar Chimney Turbine Layout and Design Considerations”. Proceedings of 2nd International Conference on Solar Chimney Power Technology. Bochum, Germany.

2000-2010

  • Pretorius, J. P. and Kröger, D. G. (2009). “Regulating Solar Chimney Power Plant Output According To Demand”. Proceedings of ISES Solar World Congress 2009. Johannesburg, South Africa.
  • Allen, K. G.; Kröger, D. G. and Fluri, T. P. (2009). “Thermal Energy Storage In A Rock Bed”. Proceedings of ISES Solar World Congress 2009. Johannesburg, South Africa.
  • Owen, M. T. F. and Kröger, D. G. (2009). “A Numerical Investigation Of Air-Cooled Steam Condenser Performance Under Windy Conditions”. Proceedings of 14TH IAHR Cooling Tower and Heat Exchanger Conference. Stellenbosch, South Africa.
  • van der Spuy, S. J.; von Backström, T. W. and Kröger, D. G. (2008). “Simulation of a multiple fan installation using computational fluid dynamics”. Proceedings of SACAM 2008. Cape Town, South Africa.
  • Fluri, T. P. and von Backström, T. W. (2008). “Cost Optimization of Solar Chimney Power Conversion Units”. Proceedings of EuroSun 2008. Lisbon, Portugal.
  • Pretorius, J. P. and Kröger, D. G. (2006). “Thermo-Economic Optimization Of A Solar Chimney Power Plant”. Proceedings of CHISA 2006. Prague, Czech Republic.
  • Burger, M. and Kröger, D. G. (2006). “Experimental Convection Heat Transfer Coefficient Between A Horizontal Surface And The Natural Environment”. Proceedings of CHISA 2006. Prague, Czech Republic.
  • Fluri, T. P.; Pretorius, J. P.; van Dyk, C. P.; von Backström, T. W.; Kröger, D. G. and van Zijl, G. P. A. G. (2006). “Cost Analysis Of Solar Chimney Power Plant”. Proceedings of EuroSun 2006. Glasgow, Scotland.
  • Fluri, T. P. and von Backström, T. W. (2006). “Performance of the power conversion unit of a solar chimney power plant”. Proceedings of WREC IX. Florence, Italy.
  • Fluri, T. P. and von Backström, T. W. (2006). “Turbogenerator concepts for solar chimney power plants”. Proceedings of WREC IX. Florence, Italy.
  • von Backström, T. W. and Fluri, T. P. (2006). “Maximum fluid power condition for solar chimney power plants – An Analytical Approach”. Solar Energy 80.11,pp. 1417-1423.
  • Kirstein, C. F.; von Backström, T. W. and Kröger, D. G. (2005). “Flow through a Solar Tower Power Plant collector-to-chimney transition section”. Proceedings of ISES Solar World Congress 2005. Orlando, USA.
  • Kirstein, C. F.; von Backström, T. W. and Kröger, D. G. (2005). “Flow phenomena in the transition section of a solar chimney model”. Proceedings of HEFAT 2005. Cairo, Egypt.
  • Zapke, A.; Goldschagg, H. and Kröger, D. G. (2005). “Flow Limitations In a Dephlegmator And Modifications For Performance Improvement Of The Matimba Power Station Air-Cooled Steam Condensing System”. Proceedings of 13th IAHR Symposium in Cooling Towers. Poitiers, France.
  • Kirstein, C. F.; von Backström, T. W. and Kröger, D. G. (2005). “Flow Phenomena In The Transition Section Collector-To-Chimney Transition Section”. Proceedings of ISEC 2005. Orlando, USA.
  • Kirstein, C. F.; von Backström, T. W. and Kröger, D. G. (2005). “Flow Phenomena In The Transition Section Of A Solar Chimney Model”. Proceedings of HEFAT 2005. Cairo, Egypt.
  • Pretorius, J. P. and Kröger, D. G. (2005). “Thermal-Flow Analysis Of A Solar Chimney Power Plant”. Proceedings of HEFAT 2005. Cairo, Egypt.
  • von Backström, T. W.; (2004). “Solar Power Generation”. Proceedings of Annual Symposium 2004 National Association for Clean Air. Western Cape, South Africa.
  • Pretorius, J. P.; Kröger, D. G.; Buys, J. D. and von Backström, T. W. (2004). “Solar Tower Power Plant Performance Characteristics”. Proceedings of EuroSun 2004. Freiburg, Germany.
  • von Backström, T. W. and Fluri, T. P. (2004). “Maximum Fluid Power Condition for Solar Chimney Power Plants-An Analytical Approach”. Proceedings of EuroSun 2004. Freiburg, Germany.
  • Burger, M. and Kröger, D. G. (2004). “Experimental Convection Heat Transfer Co-efficient on a Horizontal Surface Exposed To The Natural Environment”. Proceedings of EuroSun 2004. Freiburg, Germany.
  • Pretorius, J. P.; Kröger, D. G.; Buys, J. D. and von Backström, T. W. (2004). “Solar Power Plant Performance Characteristics”. Proceedings of EuroSun 2004. Freiburg, Germany.
  • Lombaard, I. F. and Kröger, D. G. (2004). “Storage Of Solar Energy in a Plastic Covered Water Tank”. Proceedings of HEFAT 2004. Cape Town, South Africa.
  • von Backström, T. W.; Kirstein, C. F. and Pillay, L. A. (2003). “The influence of some secondary effects on solar chimney power plant performance”. Proceedings of ISES Solar World Congress 2003. Gothenborg, Sweden.
  • Gannon, A. J. and von Backström, T. W. (2003). “Solar chimney turbine performance”. Journal of Solar Energy Engineering 125.1, pp. 101-106.
  • Westdyk, D. and Kröger, D. G. (2003). “Evapotranspiration Of Grass Growing Under Glass And Subject To Radiation And Convective Heat Transfer”. Proceedings of HEFAT 2003. Victoria Falls, Zambia.
  • Kröger, D. G. (2003). “Heat Transfer Between A Horizontal Surface And The Natural Environment”. Proceedings of ISES Solar World Congress 2003. Gothenborg, Sweden.
  • Kröger, D. G. (2002). “Analysis Of Convection Heat Transfer From An Infinite Upward-Facing Heated Horizontal Surface Exposed To The Natural Environment”. Proceedings of IHTC-12. Grenoble, France.
  • von Backström, T. W. and Gannon, A. J. (2001). “Preliminary investigation of pressure drop in solar power plant chimneys”. Proceedings of Western Cape Forum for Mechanical Engineering Research Conference on Heat Transfer Energy Conversion and Fluid Dynamics. .
  • Gannon, A. J. and von Backström, T. W. (2001). “Solar chimney test rig”. Proceedings of Western Cape Forum for Mechanical Engineering Research Conference on Heat Transfer Energy Conversion and Fluid Dynamics. .
  • von Backström, T. W. and Gannon, A. J. (2001). “Solar chimney turbine characteristics”. Proceedings of ISES Solar World Congress 2001. Adelaide, Australia.
  • Kröger, D. G. and Buys, J. (2001). “Performance Evaluation Of A Solar Chimney Power Plant”. Proceedings of ISES Solar World Congress 2001. Adelaide, Australia.
  • Lombaard, I. F. and Kröger, D. G. (2001). “Heat Transfer Between A Horizontal Surface And The Natural Environment”. Proceedings of ISES Solar World Congress 2001. Adelaide, Australia.
  • Kröger, D. G. (2001). “Performance Evaluation Of Air-Cooled Steam Condensers”. Proceedings of 12th IAHR Cooling Tower and Heat Exchanger Conference. Sydney, Australia.
  • Kröger, D. G. (2001). “Thermal-Flow Performance Evaluation And Design Of Air-Cooled Steam Condensers”. Proceedings of 12th IAHR Cooling Tower and Heat Exchanger Conference. Sydney, Australia.
  • Gannon, A. J. and von Backström, T. W. (2000). “Solar chimney cycle analysis including losses and solar collector”. Proceedings of SACAM 2000. Durban, South Africa.
  • von Backström, T. W. and Gannon, A. J. (2000). “Compressible flow through tall chimneys”. Proceedings of Solar 2000. Madison, USA.

prior to 2000

  • Kröger, D. G. (1998). “Development Of Industrial Cooling Systems And Their Impact On The Environment”. Proceedings of USA-RSA Bi-National Energy and Environmental Workshop. Durban, South Africa.
  • Hoffman, J. E. and Kröger, D.G. (1997). “The Response Of A Large Natural Draft Dry-Cooling Tower To Ambient Temperature Stratification”. Proceedings of Cooling Tower Technology Conference. St. Petersburg, USA.
  • Goldschagg, H. B.; Vogt, F.; du Toit, C. G.; Thiart, G. D. and Kröger, D. G. (1997). “Air-Cooled Steam Condenser Performance In The Presence Of Crosswinds”. Proceedings of Cooling Tower Technology Conference. St. Petersburg, USA.
  • Duvenhage, K.; du Toit, C. G. and Kröger, D. G.; (1996). “Methods To Combat The Influence Of Cross Wind On Fan Performance In Forced Draught Air-Cooled Heat Exchangers”. Proceedings of SACAM 96. Midrand, South Africa.
  • Kröger, D. G. (1996). “Air-Cooled Steam Condenser Draught Equation”. Proceedings of 6th Australasian Heat and Mass Transfer Conference. Sydney, Australia.
  • Kröger, D. G. (1995). “Air-Cooled Steam Condenser Fan Performance”. Proceedings of 2nd International Symposium on Dry-cooling Technology. Wutai Mountains, China.
  • Kröger, D. G. (1995). “Fan Performance In Air-Cooled Steam Condensers”. Proceedings of International Joint Power Generation Conference. Minneapolis, USA.
  • Du Preez, A. F. and Kröger, D. G. (1994). “The Influence Of A Buoyant Plume On The Performance Of A Natural Draft Cooling Tower”. Proceedings of 9th IAHR Cooling Tower and Spraying Pods Symposium. Brussels, Belgium.
  • Kröger, D. G. (1993). “Experimental Heat Transfer Fluid Mechanics And Thermodynamics In The Development Of Large Air-Cooled Heat Exchangers: Invited Lecture”. Proceedings of 3rd World Conf. on Exp. Heat Transfer Fluid Mechanics and Thermodynamics. Honolulu, USA.
  • Du Toit, C. G.; Thiart, G. D. and Kröger, D. G. (1993). “Analysis Of Recirculation In Mechanical-Draught Heat Exchangers”. Proceedings of 3rd World Conf. on Exp. Heat Transfer Fluid Mechanics and Thermodynamics. Honolulu, USA.
  • Du Preez, A. F. and Kröger, D. G. (1992). “Investigation Into The Influence Of Cross-Winds On The Performance Of Dry-Cooling Towers”. Proceedings of 8th IAHR Cooling Tower and Spraying Pods Symposium. Karlsruhe, Germany.
  • Bellstedt, M. O. and Kröger, D. G. (1991). “Flooding At The Inlet Of An Air-Cooled Condenser Tube Operating In The Upflow Mode”. Proceedings of SAIME National Symposium on Heat Transfer and Thermal Technology. Pretoria, South Africa.
  • Du Toit, C. G. and Kröger, D. G. (1991). “Numerical Modelling Of Recirculation In Mechanical-Draught Heat Exchangers”. Proceedings of 1st ICHMT International Numerical Heat Transfer Conference and Software Show. Guildford Surrey, England.
  • Conradie, T. A. and Kröger, D. G. (1991). “Enhanced Performance Of A Dry-Cooled Power Plant Through Air Precooling”. Proceedings of International Power Generation Conference. San Diego, USA.
  • Kröger, D. G. (1990). “Air-Cooled Heat Exchangers”. Proceedings of Heat Exchangers In Chemical Engineering: A New Perspective. Vereeniging, South Africa.
  • Kröger, D. G. (1990). “Thermal-Flow Research Into Dry-Cooling Systems For Power Plants”. Proceedings of VGB Conference “Power Plants 1990”. Essen, Germany.
  • Conradie, A. E. and Kröger, D. G. (1989). “PLUME Recirculation In Mechanical-Draft Air-Cooled Heat Exchangers”. Proceedings of National Heat Transfer Conference. Philadelphia, USA.
  • Conradie, A. and Kröger, D. G. (1989). “Reduction In Performance Due To Recirculation In Mechanical Draft Cooling Towers”. Proceedings of National Heat Transfer Conference. Philadelphia, USA.
  • Du Preez, A. F. and Kröger, D. G. (1988). “Experimental Evaluation Of Aerodynamic Inlet Losses In Natural Draft Dry Cooling Towers”. Proceedings of 6th IAHR Cooling Tower Workshop. Pisa, Italy.
  • Kröger, D. G. (1986). “Dry Cooling Research”. Proceedings of VGB Conference South Africa 1987. Johannesburg, South Africa.
  • Geldenhuys, J. D. and Kröger, D. G. (1986). “Aerodynamic Inlet Losses In Natural Draft Cooling Towers”. Proceedings of 5th IAHR Cooling Tower Workshop. Monterey, USA.