Mechanical & Mechatronic Engineering
Welcome to Stellenbosch University

Mr Robert Dobson

​​Researcher: Thermo-Fluid Division

In 1988 he took up a post as lecturer in the Thermodynamics Division of the Department of Mechanical Engineering at the University of Stellenbosch. In this capacity he has specialised as undergraduate lecturer in Heat Transfer and Food Engineering. At postgraduate level he has specialised in two-phase flow and heat transfer and thermal management and control. He has published both locally and internationally on heat pipes, thermosyphons and two-phase flow devices and is the founder member of the South African Heat Pipe Association SAPHA.


Academic Qualifications

  • National Diploma (Mechanical Engineering), Pretoria Technicon, 1965
  • BScEng (Mechanical), University of the Witwatersrand, 1969
  • MScEng (Nuclear Engineering), University of Cape Town, 1970
  • MBL, University of South Africa, 1985

 

Professional Experience

2007 - present:

Stellenbosch University, Dept Mechanical and Mechatronic Engineering
Lecturer & Researcher, Thermo-Fluid Division

1988 - 2006 :

Stellenbosch University, Dept Mechanical Engineering
Senior Lecturer
Specialist Area is Heat Transfer, Two-phase Flow and Heat Transfer, and Heat Pipes, Termosyphons and other Two-phase Flow Devices, and Thermal-fluid-mechanics and dynamics.

1985 - 1987:Kentron (Pty) LTD, Irene
Divisional Manager
Responsible for a number of Engineering service functions such as Producibility, Reliability, Quality Engineering, Product Engineering of components and systems.
1980 - 1985:

Kwikot LTD
Research Manager, Research and Development Manager and Marketing Manager
Research, design and producation of solar and electric water heating and heat pumps.

1971 - 1980:

Atomic Energy Board
Project Engineer, Senior, Principal and Chief Engineer
Specialised in the design, manufacture and testing of reactor components and reactor systems. Specialised technically in the dynamic response of nuclear reactor systems as well as in heat transfer and nuclear-thermal-hydraulic behaviour of reactors. Managerially was in charge of a Project Engineering Department, Design and Manufacturing Facilities (capable of design and manufacture of coded pressure vessels) and a Quality Assurance Department.

 

Fields of Research

  • Heat Transfer
  • Two-phase Flow and Heat Transfer
  • Heat Pipes
  • Termosyphons
  • Other Two-phase Flow Devices
  • Therrmal-fluid-mechanics
  • Dynamics

Fields of Interest

Thermal management and temperature control of just-about-anything-concrete-and-specific-that-one-can-think-of” using, if possible, heat pipes, thermosyphons and other two-phase flow and heat transfer devices, and, especially again if possible, without the use of any mechanically moving parts and active electrical control mechanisms, but rather emphasising natural phenomenon such as thermally induced buoyancy and/or surface tension driven flow.


Publications, Presentations and Patents

2016

Journal Articles (subsidised)

DOBSON RT, PRINSLOO GJ, BRENT AC. Scoping exercise to determine load profile archetype reference shapes for solar co-generation models in isolated off-grid rural African villages. Journal of Energy in Southern Africa  2016; 27:11-27.

DOBSON RT, PRINSLOO GJ, MAMMOLI A. Discrete cogeneration optimization with storage capacity decision support for dynamic hybrid solar combined heat and power systems in isolated rural villages. Journal of Energy in Southern Africa  2016; 116:1051-1064.

DOBSON RT, PRINSLOO GJ, MAMMOLI A. Model based design of a novel stirling solar micro-cogeneration system with performance and fuel transition analysis for rural African village locations. JOURNAL OF SOLAR ENERGY ENGINEERING-TRANSACTIONS OF THE ASME 2016; 133:315-330.

DOBSON RT, SSEBABI B, SEBITOSI AB. Characterising a turbine for application in an organic rankine cycle. Journal of Energy in Southern Africa  2016; 93:1617-1632.

Proceedings International

DE LA BAT BJG, DOBSON RT. Modelling, simulation and design of a testable 200WE dual generator free-piston stirling engine. 17th International Stirling Engine Conference, Newcastle-upon-Tyne, United Kingdom, Northumbria University 2016: 228-243.

DOBSON RT, PRINSLOO GJ, MAMMOLI A. Participatory smartgrid control and transactive energy management in community shared solar cogeneration systems for isolated rural villages. IEEE Global Humanitarian Technology Conference (GHTC), Seattle, USA, EDAS 2016: 352-359.

TSHAMALA MC, DOBSON RT. Design of heat -pipe exchanger (HPHE) for a coal-to-liquid fuel process using nuclear energy. ICONE 24 International conference on nuclear engineering, Charlotte, USA, ASME 2016: 1-11.

Proceedings National

BRENT AC, DOBSON RT, PRINSLOO GJ. Modelling and control synthesis of a micro-combined heat and power interface for a concentrating solar power system in off-grid rural power applications. AIP Conference, SolarPaces 2015, Cape Town, South Africa, AIP Publishers 2016: 1-9.

CRAIG OO, DOBSON RT. Parabolic solar cooker: Cooking with heat pipe vs direct spiral copper tubes. AIP Conference, SolarPaces 2015, Cape Town, South Africa, AIP Publishers 2016: 1-8.

2015

Journal Articles (subsidised)

FANFONI A, DOBSON RT. Heat transfer simulation modelling for unclothed human infants. R&D Journal 2015; 31:17-26.

SSEBABI B, DOBSON RT, SEBITOSI AB. Characterising a turbine for application in an organic Rankine cycle. Energy 2015; 93:1617-1632.

Journal Articles (NON-subsidised)

GILDENHUYS F, DOBSON RT. Force plate balance response of seafarers during still and rough sea conditions. Journal of Medical & Bioengineering 2015; 4(4):275-279.

PRINSLOO GJ, DOBSON RT. Combined solar heat and power with microgrid storage and layered smartgrid control toward supplying off-grid rural villages. Energy Science & Engineering 2015; 3:135-144.

Proceedings International

CRAIG OO, DOBSON RT. Parabolic Solar Cooker: Cooking with Heat Pipe VS Direct Spiral Copper Tubes. SWC 2015, SCW 2015: 1-6.

MALAN DJ, DOBSON RT, DINTER F. Solar thermal energy storage in power generation using phase change material with heat pipes and fins to enhance heat transfer. In: Wang Z (ed.) International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2014 (Energy Procedia), Beijing, China, Elsevier 2014: 925-936.

SENDA FM, DOBSON RT. Validation of the thermo-fluid characteristics for laminated screens woven copper wire mesh enhancing the regenerative compact heat exchanger heat transfer areas. 13th International Energy Conversion Engineering Conference, Orlando, Florida, USA, American Institute of Aeronautics, Inc 2015: 1-12.

Proceedings National

CRAIG OO, DOBSON RT, DINTER F. Stand-Alone CSP Parabolic Solar Cookers and Rural Industrialisation in Southern Africa. 3rd Southern African Solar Energy Conference, Skukuza, Kruger National Park, South Africa, UPSpace Institutional Repository - Dept of Library Services 2015: 1-8.

Masters completed

CRAIG OO, HOFFMANN JE, DOBSON RT. A stand-alone parabolic dish solar cooker for African conditions . MIng Navorsing, 2015. 84 pp.

FRASER J, DOBSON RT. Surface tension driven water pumping: A bio-inspired passive water pump. MSc, 2015. 84 pp.

HOBBS K, DOBSON RT. Thermally driven natural circulation. MIng Navorsing, 2015. 84 pp.

JEGGELS DH, DOBSON RT. Transient simulation of a lithium bromide-water vapour absorption refrigeration system . MScIng, 2015. 78 pp.

KAYOFA L, DOBSON RT. Feasibility study and business plan for manufacturing a 3 kW-electrical solar stirling engine and dish for stand-alone power supply units. MIng Navorsing, 2015. 84 pp.

LOMBARD HJ, DOBSON RT. Small Solar Organic Rankine Cycle for Electricity Generation . MIng Navorsing, 2015. 70 pp.

SANGWENI LS, DOBSON RT. Experimental and numerical modelling of a two-phase natural circulation multi-parallel chanel system. MIng Navorsing, 2015. 84 pp.

SWIEGERS JJ, DOBSON RT. Inlet and outlet shape design of natural circulation building ventilation systems. MIng Navorsing, 2015. 84 pp.

2014

Journal Articles (subsidised)

LUN J, DOBSON RT, STEYN WH. Performance Measurements of a Medium-Current Short-Pulsed Vacuum Arc Thruster. Experimental Techniques 2014; 38(3) : 6-16.

Journal Articles (NON-subsidised)

SENDA FM, DOBSON RT. A Theoretical Dynamic Analysis of a Regenerative Heat Exchanger Assembly in a Fluctuating Flow Regime. Journal of Mechanics Engineering and Automation 2014; 4 : 937-944.

Proceedings International

PRINSLOO GJ, DOBSON RT, SCHREVE K. Carbon footprint optimization as PLC control strategy in solar power system automation. SolarPACES 2013 International Conference (Energy Procedia), Las Vegas, Nevada, USA, Energy Procedia 2014: 2180-2190.

PRINSLOO GJ, DOBSON RT, SCHREVE K. Mechatronic platform with 12m2 solar thermal concentrator for rural power generation in Africa. SolarPACES 2013 International Conference (Energy Procedia), Las Vegas, Nevada, USA, Energy Procedia 2014: 1470-1480.

TSHAMALA MC, DOBSON RT. Simulation of a high-temperature modular reactor (HTMR) for power and coal-to-liquid fuel-cogeneration plant. Proceedings of the ASME 2014 International Mechanical Engineering Congress and Exposition (IMECE 2014), Montreal, Canada, 2014: 1-14.

Books

PRINSLOO GJ, DOBSON RT. Solar Tracking: High precision solar position algorithms, programs, software and source-code for computing the solar vector, solar coordinates & sun angles in Microprocessor, PLC, Arduino, PIC and PC-based sun tracking devices or dynamic sun following hardware. Solar Tracking, Stellenbosch, South Africa 2014:503 pp.

2013

Journal Articles

BOTHA FJ, DOBSON RT, HARMS TM. Simulation of a syngas from a coal production plant coupled to a high temperature nuclear reactor. Journal of Energy in Southern Africa 2013; 24(2) : 37-45.

LAUBSCHER R, DOBSON RT. Theoretical and experimental modelling of a heat pipe heat exchanger for high temperature nuclear reactor technology. Applied Thermal Engineering 2013; 61 : 259-267.

Journal Articles (NON-subsidised)

DOBSON RT, LAUBSCHER R. Heat pipe heat exchanger for high temperature nuclear reactor technology. Frontiers in Heat Pipes 2013; 4 : DOI: 10.5098/fhp.v4.2.3002.

DOBSON RT. Relative thermal performance of supercritical CO2, H2O, N2, and He charged closed-loop thermosyphon-type heat pipes. Heat Pipe Science and Technology 2013; 3(2-4) : 169-185.

LAUBSCHER R, DOBSON RT. Boiling and condensation heat transfer coefficients for a heat pipe heat exchanger. Frontiers in Heat Pipes 2013; 4 : DOI: 10.5098/fhp.v4.2.3003.

Proceedings International

BOTHA FJ, DOBSON RT, HARMS TM. Simulation of a Syngas from Coal Production Plant coupled to a Very High Temperature Reactor. Transactions of the American Nuclear Society, Washington DC, USA, 2013: 2273-2276.

DOBSON RT, LAUBSCHER R. Heat pipe heat exchanger for high temperature nuclear reactor technology. The 11th International Heat Pipe Symposium, Beijing, China, 2013: 218-226.

LAUBSCHER R, DOBSON RT. Boiling and condensation heat transfer coefficients for a Dowtherm-A Charged Heat Pipe Heat Exchanger. The 11th International Heat Pipe Symposium, Beijing, China, 2013: 59-64.

SENDA FM, DOBSON RT. A Natural circulation waste heat recovery system for high temperature gas-cooled reactor used and/or spent fuel tanks: PART 1 - design considerations and theoretical sinulation. Proceedings of the ASME 2013 Power Conference (POWER2013), Boston, USA, 2013: 0.

SENDA FM, DOBSON RT. A Natural circulation waste heat recovery system for high temperature gas-cooled reactor used and/or spent fuel tanks: PART 11 - theoretical and experimental validation. Proceedings of the ASME 2013 Power Conference (POWER2013), Boston, USA, 2013: 0.

Patents

LAUBSCHER R, DOBSON RT. A novel heat pipe heat exchanger for high temperature nuclear reactor technology. Patent No. P2569ZA00, South Africa 2013.

2012

Journal Articles (subsidised)

BURGER A, DOBSON RT. Experimental Evaluation of a Ranque-Hilsch Vortex Tube as a Particle Separator. R&D Journal 2012; 28 : 25-30.

DE VILLIERS GJ, TREURNICHT J, DOBSON RT. In-core high temperature measurement using fiber-Bragg gratings for nuclear reactors. Applied Thermal Engineering 2012; 38 : 143-150.

Journal Articles (NON-subsidised)

DOBSON RT, RUPPERSBERG JC. Flow regime recognition in two-phase thermosyphon loops using pressure pulse analyses. Frontiers in Heat Pipes 2012; 3 : 023002 (5 pages).

Proceedings International

BLAINE PG, VLOK PJ, DOBSON RT. The Practical Application of ISO 9001 and ISO/TS 16949 to the Mass Production of Motor Industry Components. Proceedings of the International Conference on Computers & Industrial Engineering (CIE 42), CTICC, Cape Town, South Africa, CIE & SAIIE 2012: 1047-1057.

DOBSON RT. Relative thermal performance of super-critical CO2, H2O, N2 and HE charged closed-loop thermosyphon-type heat pipes. 16th International Heat Pipe Conference, Lyon Convention Centre, Lyon, France, 2012: 1-6.

JOUBERT LH, SCHUTTE J, STRAUSS JM, DOBSON RT. Design optimisation of a transverse-flux, short-stroke, linear generator. International Conference on Electrical Machines (ICEM), Palais des Congres et des Expositions de Marseille, Marseille, France, 2012: 1-7.

SENDA FM, DOBSON RT. Analysis of energy conversion devices suitable for waste heat recovery and utilisation systems in the generation IV nuclear reactor technology. Ninth INCOSE SA Conference 2012 Systems Engineering - The Jewel in the Crown, CSIR International Conference Centre, Pretoria, South Africa, INCOSE 2012: 1-12.

SENDA FM, DOBSON RT. Waste heat recovery system for a generation IV nuclear reactor spent fuel storage tank using natural circulation and two-phase closed-loop thermosyphon-type heat pipes. Ninth INCOSE SA Conference 2012 Systems Engineering - The Jewel in the Crown, CSIR International Conference Centre, Pretoria, South Africa, INCOSE 2012: 1-15.

 


 

Patent

1. J Botha, R T Dobson & J P Driver-Jowitt. Dorsiflextion of Foot Device. South African Patent 2003.

 

Journal Papers

1. R T Dobson. Thermal characteristics of a two-phase closed thermosyphon. SARA Journal, Sept 1999.
2. R T Dobson. Design, manufacture and testing of two-phase closed thermosyphons. SARA Journal, November 1999.
3. R T Dobson. Features of two-phase closed thermosyphons. SARA Journal, January 2000.
4. R T Dobson. The uses of two-phase closed thermosyphons. SARA Journal, March 2000.
5. R T Dobson. Capillary pumped heat pipes. SARA Journal, April 2000.
6. R T Dobson and D G Kröger. Thermal characterisation of an ammonia-charged two-phase closed thermosyphon. R & D Journal, Vol 16, No 2, July 2000, pp 33-40.
7. R Wang, R T Dobson & Kamper, M. Thermofluid analysis of an axial flux permanent magnet (AFPM) generator. R & D Journal Vol 17 No 1 March 2001.
8. R T Dobson and S A Pakkies. Development of a heat pipe (two-phase closed thermosyphon) heat recovery heat exchanger for a spray drier. Journal of Energy in South Africa. Vol 13 No 4 November 2002.
9. G Swanepoel, R T Dobson & A B Taylor. Modelling and experimental verification of the heat transfer behaviour of a water charged closed end pulsating heat pipe. Applied Thermal Engineering. Submitted for review in 2001, reviewed and under revision at present.
10.G Swanepoel, R T Dobson & A B Taylor. Experimental determination of the film thickness deposited by the trailing end of a liquid plug in a capillary tube. Journal of Heat Transfer. Submitted 2001, rejected 2002 and under revision at present.
11. G Swanepoel, R T Dobson & A B Taylor. Comparison of heat transfer controlled and kinetic gas theory evaporation of the liquid film in a pulsating heat pipe. International Journal of Heat and Mass Transfer. Submitted 2001, rejected 2002 and under revision at present.
12. R T Dobson and S A Pakkies. Development of an air-to-air R134a refrigerant charged two-phase closed thermosyphon heat exchanger, Part I. Refrigeration & Airconditioning Africa, Vol 19 No1, January 2003.
13. R T Dobson and S A Pakkies. Development of an air-to-air R134a refrigerant charged two-phase closed thermosyphon heat exchanger, Part II. Refrigeration & Airconditioning Africa, Vol 18 No12, February 2003.
14. R T Dobson, S T Scowby & M J Kamper. Thermal modelling of an axial flux permanent magnet (AFPM) machine, Applied Thermal Engineering, Vol 24 (2004) pp 193-207.
15. R T Dobson, P A van Wyk and K van der Westhuizen. Thermal Management of SUNSAT using TAS. Journal of Energy in South Africa, Vol 15 N0 1 February 2004, pp 16-25.
16. R T Dobson. Theoretical and experimental modelling of an open oscillatory heat pipe including gravity. Int. J. Thermal Science. Vol 43, 2004, pp 113-119.
17. R B Weyer, R T Dobson and K van der Westhuizen. Development of a liquefied-gas micro-satellite propulsion system Part I Theoretical Modelling. R & D Journal, Vol 20, No 3 November 2004.
18. R B Weyer, R T Dobson and K van der Westhuizen. Development of a liquefied-gas micro-satellite propulsion system Part II Experimental Evaluation. R & D Journal, Vol 20, No 3 November 2004.
19. R T Dobson. An Open Oscillatory Heat Pipe water pump. Applied Thermal Engineering, Vol 25, 2005, pp 603-621.
20. R –J Wang, M J Kamper & R T Dobson. Development of a thermofluid model for axial flux permanent-magnet machines, IEEE Transactions on Energy Conversion, Vol 20, No 1, March 2005, pp80-87.
21. R B Weyer, R T Dobson and K van der Westhuizen. Development of a liquefied-gas micro-satellite propulsion system, AIAA Student Journal, Published Electronically.
22. R T Dobson. Thermal modelling of a night sky radiation cooling system. Journal of Energy in South Africa, Volume 16 No. 2 May 2005.
23. A Meyer and R T Dobson, Heat pipe heat recovery heat exchanger for a mini-drier, Journal of Energy in Southern Africa, Vol 17, No 1, February 2006, pp 50-57.
24. A Meyer and R T Dobson, Thermal performance characterization of R134a and Butane charged two-phase closed thermosyphons, R&D Journal, Vol xx, No x, Novenber 2006.
25. J Botha, R T Dobson & J P Driver-Jowitt, Development of a device to measure human response to dorsiflexural perturbation, R & D Journal, Vol 23, No 1, March 2007, pp 28-34.
26. AJ Joubert and RT Dobson. Theoretical and experimental evaluation of a liquefied gas micro satellite thruster, R&D Journal, Vol 23, No 3, November 2007, pp 12-25.
27. JC Ruppersberg and RT Dobson. Flow and heat transfer in a closed loop thermosyphon Part I – Theoretical simulation, Journal of Energy in Southern Africa, Vol 18, No 4, November 2007 pp 32-40.
28. JC Ruppersberg and RT Dobson. Flow and heat transfer in a closed loop thermosyphon Part II – experimental simulation, Journal of Energy in Southern Africa, Vol 18, No 4, November 2007 pp 41-48.
29. AJ Meyer, TM Harms & RT Dobson, Steam jet ejector cooling powered by waste or solar heat, Renewable Energy, Vol 34, 2009, pp, 297-306.
30. D Singo, P Papka, SM Wyngaardt & RT, A novel detector for high neutron fluxmeasurement, Nuclear physics Methods and Accelerator in biology and Medicine, American Institute of Physics, 2005.
31. JM Strauss and RT Dobson, Evaluation of a second order simulation for Stirling engine design and optimisation, Journal of Energy in Southern Africa, Vol 21, No 2, May 2010, pp 17-29.
32. J Lun, RT Dobson & WH Steyn, Determining vacuum-arc thruster performance using a cathode-spot model, AIAA Journal of Propulsion and Power, Vol 26, No 4, July-August 2010, pp 663-672.
33. RT Dobson and G Swanepoel, An experimental investigation of the thickness of the liquid-film deposited at the trailing end of a liquid plug moving in the capillary tube of a pulsating heat pipe, Frontiers in Heat Pipes, Vol 1, No 1, 2010.
34. L C Haworth and RT Dobson, Modelling the effects and evaporation of water on the transient temperatures inside the exhaust system of an IC engine, Proceedings of the Institution of Mechanical Engineers, Part D, Journal of Automobile Engineering, March 2011.

 

Conference Proceedings

1. R T Dobson, Simulation of the two-phase flow using an inclined transparent tube with the lower-end closed and the upper-en open, 3rd ISHP Minsk Sept 1997.
2. R T Dobson and D G Kröger, Effect of evaporator surface on the maximum heat transfer rate of an inclined two-phase thermosyphon, 10th IHPC, Stuttgart, 1997.
3. R T Dobson, Simulation of the two-phase flow using an inclined transparent tube with the lower-end closed and the upper-en open, Rev.Gén. Therm. 1998.
4. Dobson R.T. and Harms, T.M. Lumped parameter Analysis of closed and open oscillatory heat pipes. 11th Int. Heat Pipe Conf. Tokyo, 12-16 September 1999.
5. Dobson R.T. and Kröger, D.G. Evaporator heat transfer coefficient and maximum heat transfer rate of an ammonia-charged inclined two-phase closed thermosyphon. 11th Int. Heat Pipe Conf. Tokyo, 12-16 September, 1999.
6. R T Dobson and D G Kröger. Thermal characteristics of an ammonia charged two-phase closed thermosyphon. 10th Int. Air Conditioning, Refrigeration & and Ventilation Congress. Midrand, South Africa, 8-10 March 2000.
7. R T Dobson. Theoretical modelling of an Open Oscillatory Heat Pipe. 6th International Heat Pipe Symposium. Chiang Mai, Thailand, 5- 9 November 2000.
8. A Groenewald, A H Basson & R T Dobson. Theoretical modelling and numerical simulation of a two-phase closed thermosyphon considering splashing and geysering. 6th International Heat Pipe Symposium. Chiang Mai, Thailand, 5- 9 November 2000.
9. G Swanepoel, A B Taylor & R T Dobson. Theoretical modelling of pulsating heat pipes. 6th International Heat Pipe Symposium. Chiang Mai, Thailand, 5- 9 November 2000.
10. C. J. Mouton, S. Scowby, R T Dobson, R. Wang & M. Kamper. Thermofluid Modelling of an Axial Flux Permanent Magnet Machine. ISES 2001 Solar World Congress, Adelaide, 25 November- 2 December 2001. Submitted, accepted but not presented.
11. R T Dobson and S A Pakkies. Development of an air-to-air R134a refrigerant charged two-phase closed thermosyphon heat exchanger. 11th Int. Air Conditioning, Refrigeration & and Ventilation Congress, FRIGAIR 2002. Midrand, South Africa, 13-15 March 2002.
12. S Scowby & R T Dobson. Thermal management of an axial flux permanent magnet machine considering heat pipes. 1st South African Heat Pipe Workshop, Stellenbosch, South Africa, 14-16 April 2002.
13. P van Wyk & R T Dobson. Thermal management of a micro-satellite. 1st South African Heat Pipe Workshop, Stellenbosch, South Africa, 14-16 April 2002.
14. G Graf & R T Dobson. Thermal Management of Motor Vehicles using Heat Pipes. 1st South African Heat Pipe Workshop, Stellenbosch, South Africa, 14-16 April 2002.
15. R Weyer & R T Dobson. Two-phase flow and heat transfer aspects of a vapour micro-satellite thruster. 1st South African Heat Pipe Workshop, Stellenbosch, South Africa, 14-16 April 2002.
16. S A Pakkies & R T Dobson. University of Stellenbosch and Peninsula Technikon Thermal characterisation of an air-to-air R134a-refrigerant two-phase closed thermosyphon heat exchanger. 1st South African Heat Pipe Workshop, Stellenbosch, South Africa, 14-16 April 2002.
17. R T Dobson. Theoretical and experimental modelling of an open oscillatory heat pipe including gravity. 12th International Heat Pipe Conference. Moscow-Kostroma-Moscow19 – 24 May 2002.
18. G Swanepoel and R T Dobson. The thermal management of an air-born electro-optical observation and sighting system. 14th Spacecraft Thermal Control Workshop, 11 – 13 March 2003, El Segundo, CA.
19. R T Dobson, P A van Wyk & K van der Westhuizen. Thermal management of SUNSAT using TAS. 14th Spacecraft Thermal Control Workshop, 11 – 13 March 2003, El Segundo, CA.
20. R T Dobson and G Graf. Thermal Characterization of an Ammonia-charged Pulsating Heat Pipe. 7th Int. Heat Pipe Symposium, Jeju, Korea, 12 – 16 October 2003.
21. R. T. Dobson. An open oscillatory heat pipe steam powered boat. International Journal Mechanical Engineering Education. Vol 31, No4 October 2003.
22. R B Weyer, R T Dobson and K van der Westhuizen. Development of a liquefied-gas micro-satellite propulsion system, 18th International Small Satellite Conference, University of Utah, Logan, 9 – 12 August 2004.
23. R T Dobson and S A Pakkies, Thermal performance prediction and verification of a steam-heated air-cooled ammonia-charged two-phase closed thermosyphon, 13th International Heat Pipe Conference, Shanghai, 20 – 25 September 2004.
24. R T Dobson. Thermal modelling of a night sky radiation cooling systems. International Conference on the Domestic Use of Energy, Cape Town, 29-31 March 2005.
25. R T Dobson and A Meyer, Use of a heat pipe heat recovery heat exchanger to improve the energy utilisation of a drier, Industrial & Commercial Use of Energy Conference (ICUE), Cape Town, 22-24 May 2006, pp 59-64.
26. R T Dobson, Night sky radiation cooling, Sustainable Built Environments (SBE) Conference, Bloemfontein, 21-28 July 2006, pp 72-85.
27. R T Dobson and J C Ruppersberg, A novel closed loop thermosyphon heat pipe reactor cooling system (RCCS) for a pebble bed modular reactor (PBMR), 8th International Heat Pipe Symposium, Kumamoto, 24-27 September 2006.
28. R T Dobson, Energy saving using heat pipe heat recovery heat exchangers, Southern Africa Energy Efficiency Convention (SAEEC), 19-20 October 2006, Gauteng, South Africa.
29. Y U Jeggels and R T Dobson, Use of heat pipes for cooling of electronics, Armscor conference, IMT, Simonstown, South Africa, 6-7 December, 2006.
30. RT Dobson and JC Ruppersberg. Theoretical simulation of the flow and heat transfer in a closed loop thermosyphon, 14th International Heat Pipe Conference, Florianapolis, Brazil 14-20 April 2007.
31. JC Ruppersberg and RT Dobson. Experimental evaluation of the flow and heat transfer in a closed loop thermosyphon, 14th International Heat Pipe Conference, Florianapolis, Brazil 14-20 April 2007.
32. YU Jeggels and RT Dobson, Comparison of the cooling performance between heat pipes and aluminium conductors for electronic equipment enclosures 14th International Heat Pipe Conference, Florianapolis, Brazil 14-20 April 2007.
33. RT Dobson and YU Jeggels, Cooling of electronic equipment using bent and closed loop two-phase thermosyphons, 9th International Heat Pipe Symposium, Kuala Lumpur, Malaysia, 17-20 November 2008, pp 233-243. [ISBN 978-983-2939-13-9]
34. OO Kritzinger and RT Dobson, Electronic cabinet cooling enhancement using a two-phase thermosyphon with separated evaporator and condenser sections, 9th International Heat Pipe Symposium, Kuala Lumpur, Malaysia, 17-20 November 2008, pp 208-214. [ISBN 978-983-2939-13-9]
35. RT Dobson, PBMR technology development projects at Stellenbosch University, South Africa, 4th International Topical Meeting on High Temperature Reactor Technology, September 28 – October 1, Washington, DC, 2008, paper no HTR2008-58108. [ISBN 978-0-7918-3834-1]
36. RT Dobson and OO Kritzinger, Thermal performance characterisation of a two-phase thermosyphon with separated evaporator and condenser sections, 15th International Heat Pipe Conference (15th IHPC), Clemson, USA, April 25-30, 2010.
37. RT Dobson and JC Ruppersberg, Thermal performance characterisation of a two-phase thermosyphon with separated evaporator and condenser sections, 15th International Heat Pipe Conference (15th IHPC), Clemson, USA, April 25-30, 2010.
38. HJ Steyn and RT Dobson, Deflection of uncharged silver atoms in helium in an electric field, International Youth Nuclear Congress IYNC, Cape Town, 12-18 July 2010.
39. LCB Rossouw and RT Dobson, High temperature fibre Bragg grating calibration oven, 5th International Conference on High Temperature Reactor Technology (HTR 2010), 18-20 October 2010 Prague.
40. A Verwey and RT Dobson, Modelling and optimisation of a reactor cavity cooling system (CCS) subject to changes in ambient conditions, 5th International Conference on High Temperature Reactor Technology (HTR 2010), 18-20 October 2010 Prague.
41. E Oswald and RT Dobson, Indirect measurement of reactor fuel pebble temperature, 5th International Conference on High Temperature Reactor Technology (HTR 2010), 18-20 October 2010 Prague.
42. HJ Steyn and RT Dobson, The development of a two-stage electrostatic precipitator for helium purification, 5th International Conference on High Temperature Reactor Technology (HTR 2010), 18-20 October 2010 Prague.