Prof Savvas Tassou

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Professor and Head of School of Engineering and Design

Room: H255
Brunel University
Uxbridge
UB8 3PH
United Kingdom
Tel: +44 (0)1895 266865
Email: Savvas.Tassou@brunel.ac.uk

Summary

Academic and Professional Qualifications

  • BSc (1st Class Honours) Mechanical Engineering - University of Westminster
  • PhD Department of Mechanical Engineering - University of Westminster, 1982. Thesis titled `An Investigation of the Criteria to Give Optimum Performance from a Variable Capacity Heat Pump'.
  • MBA Master of Business Administration - University of Westminster, 1987.
  • CEng Chartered Engineer, 1983.
  • MIMechE Corporate member of the Institution of Mechanical Engineers, 1983.
  • MASHRAE Member of the American Society of Heating Refrigerating and Air Conditioning Engineers, 1989.
  • MIIR – Member of International Institute of Refrigeration
  • MIOR -

Academic Career

  • 1978 - 1981 Research Assistant - University of Westminster.
  • 1981 - 1986 Lecturer in thermofluids and energy - University of Westminster.
  • 1986 to date - Lecturer/Senior Lecturer/Reader/Professor in Thermodynamics and Building Services Engineering - Brunel University.
  • 2001 - 2004 Head of Department of Mechanical Engineering
  • 2004 to date. Head of School of Engineering and Design

Research and Teaching

Research Interests

  • Environmental control systems for buildings – both active and passive technologies (Refrigeration, air conditioning, heat pump systems, heat recovery, systems driven by renewable sources).
  • Development and application of modelling techniques and control strategies for the thermal design, performance prediction and control of refrigeration and HVAC equipment.
  • Food refrigeration including supermarket refrigeration and environmental control systems and unitary equipment.
  • Energy systems including tri-generation and renewable energy technologies.
  • Heat transfer and heat exchangers.
  • Wastewater filtration.

Current Research

  • Heat and Mass Transfer in CO2 refrigeration Systems, A&N Shilliday & Company Ltd, and the EPSRC.  Doctor of Engineering Programme, EngD (2007-2012) £125000.
  • Sandpit-Integration of active and passive indoor thermal environment control systems to minimise the carbon footprint of airport buildings. Funded by the EPSRC   EP/H004181/1  (Oct 2009-Sept. 2012). £746,200. Brunel Lead Partner with Loughborough,,  De Montfort, City, and the University of Kent.
  • Optimising Thermal Energy Recovery, Utilisation and Management in the Process Industries – OPTITHERM. Funded by the EPSRC, EP/GO59799/1, (Oct. 2009-Sept.2012), EPSRC funding  £511,628. Brunel (lead), with Newcastle University and Northumbria University. 
  • Integrated thermal energy storage in food refrigeration equipment for energy and CO2 emissions reduction, Funded by Defra: Total cost of project £823376, Funding from Defra £395776, April 2010-September 2013.

Previous Research

  • Development and implementation of energy efficient technologies and business practices for the refrigeration of food-Consortium project funded by DEFRA (June 2006 – May 2009). Total value of project £1,052,833. Value to Brunel £250,516. (July 2006 – June 2009)
  • Integration of tri-generation and CO2 based refrigeration systems for energy conservation in the food industry. Funded by DEFRA and 15 Industrial partners (April  2007 – October  2010). Total value of project £682,350. Value to Brunel £337,600.
  • Greenhouse Gas Impacts of Food Retailing – Investigation of the application of the PAS 2050 methodology to food distribution and retail, Funded by DEFRA, (December 2007-June  2009) £72,000.
  • Investigation of the Application of the PAS 2050 methodology to assess the GHG emissions from service industries. Funded by DEFRA, (July 2008-June  2009), £20,000.

Teaching

  • Thermodynamics and heat transfer
  • Air conditioning and refrigeration
  • Building services design
  • Energy Systems

Publications

Publications

Journal Papers

(2013) Suamir, IN. and Tassou, SA., Performance evaluation of integrated trigeneration and CO2 refrigeration systems, Applied Thermal Engineering 50 (2) : 1487- 1495

(2012) Kythreotou, N., Florides, G. and Tassou, SA., A proposed methodology for the calculation of direct consumption of fossil fuels and electricity for livestock breeding, and its application to Cyprus, Energy

(2012) Wu, H., Tassou, SA., Karayiannis, TG. and Jouhara, H., Analysis and simulation of continuous food frying processes, Applied Thermal Engineering

(2012) Panayiotou, G., Kalogirou, S. and Tassou, S., Design and simulation of a PV and a PV-Wind standalone energy system to power a household application, Renewable Energy 37 (1) : 355- 363

(2012) Lu, W. and Tassou, SA., Experimental study of the thermal characteristics of phase change slurries for active cooling, Applied Energy 91 (1) : 366- 374

(2012) Gowreesunker, BL., Tassou, SA. and Kolokotroni, M., Improved simulation of phase change processes in applications where conduction is the dominant heat transfer mode, Energy and Buildings 47 353- 359 Download publication

(2012) Suamir, IN., Tassou, SA. and Marriott, D., Integration of CO2 refrigeration and trigeneration systems for energy and GHG emission savings in supermarkets, International Journal of Refrigeration 35 (2) : 407- 417

(2012) Ge, YT. and Tassou, SA., The impact of geometric structure and flow arrangement on the performance of CO2 evaporators in multi-deck medium temperature display cabinets, International Journal of Refrigeration 35 (1) : 142- 149

(2011) Tassou, SA., Ge, Y., Hadawey, A. and Marriott, D., Energy consumption and conservation in food retailing, Applied Thermal Engineering 31 (2-3) : 147- 156

(2011) Pouloupatis, PD., Florides, G. and Tassou, S., Measurements of ground temperatures in Cyprus for ground thermal applications, Renewable Energy 36 (2) : 804- 814

(2011) Ge, YT. and Tassou, SA., Performance evaluation and optimal design of supermarket refrigeration systems with supermarket model "SuperSim", Part I: Model description and validation, International Journal of Refrigeration 34 (2) : 527- 539

(2011) Ge, YT. and Tassou, SA., Performance evaluation and optimal design of supermarket refrigeration systems with supermarket model “SuperSim”. Part II: Model applications, International Journal of Refrigeration 34 (2) : 540- 549

(2011) Kythreotou, N., Tassou, SA. and Florides, G., The contribution of direct energy use for livestock breeding to the greenhouse gases emissions of Cyprus, Energy 36 (10) : 6090- 6097

(2011) Ge, YT. and Tassou, SA., Thermodynamic analysis of transcritical CO₂ booster refrigeration systems in supermarket, Energy Conversion and Management 52 (4) : 1868- 1875

(2010) Tassou, SA., Lewis, JS., Ge, YT., Hadawey, A. and Chaer, I., A review of emerging technologies for food refrigeration applications, Applied Thermal Engineering 30 (4) : 263- 276

(2010) Panayiotou, GP., Kalogirou, SA. and Tassou, SA., PEM fuel cells for energy production in solar hydrogen systems, Recent Patents on Mechanical Engineering 3 (3) : 226- 235

(2010) Ge, YT., Tassou, SA. and Hadawey, A., Simulation of multi-deck medium temperature display cabinets with the integration of CFD and cooling coil models, Applied Energy 87 (10) : 3178- 3188

(2010) Panayiotou, G., Kalogirou, S. and Tassou, S., Solar hydrogen production and storage techniques, Recent Patents on Mechanical Engineering 3 (2) : 154- 159

(2010) Kythreotou, N., Tassou, SA. and Florides, G., The production of biodegradable waste in Cyprus, Waste Management 30 (7) : 1431- 1432

(2010) Theodorou, S., Florides, G. and Tassou, S., The use of multiple criteria decision making methodologies for the promotion of RES through funding schemes in Cyprus, A review, Energy Policy 38 (12) : 7783- 7792

(2009) Shilliday, JA., Tassou, SA. and Shilliday, N., Comparative energy and exergy analysis of R744, R404A and R290 refrigeration cycles, International Journal of Low-Carbon Technologies 4 (2) : 104- 111

(2009) Ge, YT. and Tassou, SA., Control optimisation of CO2 cycles for medium temperature retail food refrigeration systems, International Journal of Refrigeration 32 (6) : 1376- 1388

(2009) Zhao, CY., Lu, W. and Tassou, SA., Flow boiling heat transfer in horizontal metal-foam tubes, Journal of Heat Transfer 131 (12) : -

(2009) Tassou, SA., De-Lille, G. and Ge, YT., Food transport refrigeration – approaches to reduce energy consumption and environmental impacts of road transport, Applied Thermal Engineering 29 (8-9) : 1467- 1477

(2009) Ge, YT., Tassou, SA. and Chaer, I., Modelling and performance evaluation of a low-temperature ammonia–water absorption refrigeration system, International Journal of Low-Carbon Technologies 4 (2) : 68- 77

(2009) Ge, YT., Tassou, SA., Chaer, I. and Suguartha, N., Performance evaluation of a tri-generation system with simulation and experiment, Applied Energy 86 (11) : 2317- 2326

(2009) Sugiartha, N., Tassou, SA., Chaer, I. and Marriott, D., Trigeneration in food retail: an energetic, economic and environmental evaluation for a supermarket application, Applied Thermal Engineering 29 (13) : 2624- 2632

(2008) Zhao, CY., Tassou, SA. and Lu, TJ., Analytical considerations of thermal radiation in cellular metal foams with open cells, International Journal of Heat and Mass Transfer 51 (3-4) : 929- 940

(2008) Sugiartha, N., Chaer, I., Marriott, D. and Tassou, SA., Combined heating refrigeration and power system in food industry, Journal of the Energy Institute 81 (4) : 185- 190

(2007) Tassou, SA., Chaer, I., Sugiartha, N., Ge, YT. and Marriott, D., Application of trigeneration systems to the food retail industry, Energy Conversion and Management 48 (11) : 2988- 2995

(2006) Lu, W., Zhao, CY. and Tassou, SA., Thermal analysis on metal-foam filled heat exchangers. Part I: Metal foam filled pipes, International Journal of Heat and Mass Transfer 49 (15-16) : 2751- 2761

(2006) Zhao, CY., Lu, W. and Tassou, SA., Thermal analysis on metal-foam filled heat exchangers. Part II: Tube heat exchangers, International Journal of Heat and Mass Transfer 49 (15-16) : 2762- 2770

(2005) Rueda, E., Tassou, SA. and Grace, IN., Fault detection and diagnosis in liquid chillers, Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 219 (2) : 117- 125

(2005) Tassou, SA. and Grace, IN., Fault diagnosis and refrigerant leak detection in vapour compression refrigeration systems, International Journal of Refrigeration 28 (5) : 680- 688

(2005) Bellas, I. and Tassou, SA., Present and future applications of ice slurries, International Journal of Refrigeration 28 (1) : 115- 121

(2005) Grace, IN., Datta, D. and Tassou, SA., Sensitivity of refrigeration system performance to charge levels and parameters for on-line leak detection, Applied Thermal Engineering 25 (4) : 557- 566

(2005) Tassou, SA. and Bansal, PK., Special issue on new developments in refrigeration systems, Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 219 (2) : i- iii

(2003) Florides, GA., Kalogirou, SA., Tassou, SA. and Wrobel, LC., Design and construction of a LiBr-water absorption machine, Energy Conversion and Management 44 (15) : 2483- 2508

(2003) Tassou, SA. and Xiang, W., Interactions between the environment and open refrigerated display cabinets in retail food stores - Design approaches to reduce shopper discomfort, ASHRAE Transactions 109 PART 1 299- 303

(2003) Pappas, TC. and Tassou, SA., Numerical investigations into the performance of doorway vertical air curtains in air-conditioned spaces, ASHRAE Transactions 109 PART 1 273- 279

(2002) Kalogirou, SA., Florides, G. and Tassou, S., Energy analysis of buildings employing thermal mass in Cyprus, Renewable Energy 27 (3) : 353- 368

(2002) Bellas, J., Chaer, I. and Tassou, SA., Heat transfer and pressure drop of ice slurries in plate heat exchangers, Applied Thermal Engineering 22 (7) : 721- 732

(2002) Florides, GA., Tassou, SA., Kalogirou, SA. and Wrobel, LC., Measures used to lower building energy consumption and their cost effectiveness, Applied Energy 73 (3-4) : 299- 328

(2002) Florides, GA., Kalogirou, SA., Tassou, SA. and Wrobel, LC., Modelling and simulation of an absorption solar cooling system for Cyprus, Solar Energy 72 (1) : 43- 51

(2002) Florides, GA., Tassou, SA., Kalogirou, SA. and Wrobel, LC., Modelling, simulation and warming impact assessment of a domestic-size absorption solar cooling system, Applied Thermal Engineering 22 (12) : 1313- 1325

(2002) Florides, GA., Tassou, SA., Kalogirou, SA. and Wrobel, LC., Review of solar and low energy cooling technologies for buildings, Renewable and Sustainable Energy Review 6 (6) : 557- 572

(2002) Efstathiades, A., Tassou, S. and Antoniou, A., Strategic planning, transfer and implementation of Advanced Manufacturing Technologies (AMT). Development of an integrated process plan, Technovation 22 (4) : 201- 212

(2001) Florides, GA., Tassou, SA., Kalogirou, SA. and Wrobel, LC., Evolution of domestic dwellings in Cyprus and energy analysis, Renewable Energy 23 (2) : 219- 234

(2001) Tassou, SA., Datta, D. and Marriott, D., Frost formation and defrost control parameters for open multideck refrigerated food display cabinets, Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 215 (2) : 213- 222

(2001) Florides, GA., Kalogirou, SA., Tassou, SA. and Wrobel, L., Natural environment and thermal behaviour of Dimetrodon limbatus, Journal of Thermal Biology 26 (1) : 15- 20

(2001) Grace, IN. and Tassou, SA., Simulation of the performance of alternative refrigerants in liquid chillers, Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 215 (4) : 429- 441

(2001) Ge, YT. and Tassou, SA., Simulation of the performance of single jet air curtains for vertical refrigerated display cabinets, Applied Thermal Engineering 21 (2) : 201- 219

(2000) Efstathiades, A., Tassou, SA., Oxinos, G. and Antoniou, A., Advanced manufacturing technology transfer and implementation in developing countries. The case of the Cypriot manufacturing industry, Technovation 20 (2) : 93- 102

(2000) Ge, YT. and Tassou, SA., Mathematical modelling of supermarket refrigeration systems for design, energy prediction and control, Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 214 (2) : 101- 114

(2000) Florides, GA., Kalogirou, SA., Tassou, SA. and Wrobel, LC., Modeling of the modern houses of Cyprus and energy consumption analysis, Energy 25 (10) : 915- 937

(1999) Florides, GA., Wrobel, LC., Kalogirou, SA. and Tassou, SA., A thermal model for reptiles and pelycosaurs, Journal of Thermal Biology 24 (1) : 1- 13

(1998) Datta, D. and Tassou, SA., Artificial neural network based electrical load prediction for food retail stores, Applied Thermal Engineering 18 (11) : 1121- 1128

(1998) Tassou, SA. and Qureshi, TQ., Comparative performance evaluation of positive displacement compressors in variable-speed refrigeration applications, International Journal of Refrigeration 21 (1) : 29- 41

(1998) Hamlin, S., Hunt, R. and Tassou, SA., Enhancing the performance of evaporative spray cooling in air cycle refrigeration and air conditioning technology, Applied Thermal Engineering 18 (11) : 1139- 1148

(1998) Tassou, SA. and Xiang, W., Modelling the environment within a wet air-cooled vegetable store, Journal of Food Engineering 38 (2) : 169- 187

(1998) Efstathiades, A., Tassou, SA., Antoniou, A. and Oxinos, G., Strategic considerations in the introduction of advanced manufacturing technologies in the Cypriot industry, Technovation 19 (2) : 105- 115

(1997) Tassou, SA. and Qureshi, TQ., Dynamic mode performance evaluation and energy analysis of mains and inverter driven refrigeration compressors, Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 211 (4) : 339- 346

(1996) Qureshi, TQ. and Tassou, SA., Variable-speed capacity control in refrigeration systems, Applied Thermal Engineering 16 (2) : 103- 113

(1994) Tassou, SA. and Qureshi, TQ., Performance of a variable-speed inverter/motor drive for refrigeration applications, Computing and Control Engineering Journal 5 (4) : 193- 199

(1994) Tassou, SA., Votsis, PP. and Keravnou, C., The viability of combined heat and power generation in Cyprus, Heat Recovery Systems and CHP 14 (1) : 29- 35

(1993) Tassou, SA. and Al-Nizari, HO., Effect of refrigerant flow control on the thermodynamic performances of reciprocating chillers, Applied Energy 45 (2) : 101- 116

(1993) Tassou, SA. and Al-Nizari, HO., Investigation of the effects of thermostatic and electronic expansion valves on the steady-state and transient performance of commercial chillers, International Journal of Refrigeration 16 (1) : 49- 56

(1992) Votsis, PP., Tassou, SA., Wilson, DR. and Marquand, CJ., Dynamic characteristics of an air-to-water heat-pump system, International Journal of Refrigeration 15 (2) : 89- 94

(1992) Tassou, SA. and Leung, YK., Energy conservation in commercial air conditioning through ice storage and cold air distribution design, Heat Recovery Systems and CHP 12 (5) : 419- 425

(1992) Tassou, SA. and Votsis, P., Transient response and cycling losses of air-to-water heat pump systems, Heat Recovery Systems and CHP 12 (2) : 123- 129

(1991) Tassou, SA. and Al-Nizari, H., Investigation of the steady state and transient performance of a reciprocating chiller equipped with an electronic expansion valve, Heat Recovery Systems and CHP 11 (6) : 541- 550

(1989) Tassou, SA., Combined heat and power generation at a sewage treatment plant-a feasibility study, Heat Recovery Systems and CHP 9 (2) : 169- 174

(1988) Tassou, SA., Energy conservation and resource utilisation in waste-water treatment plants, Applied Energy 30 (2) : 113- 129

(1988) Tassou, SA., Heat recovery from sewage effluent using heat pumps, Heat Recovery Systems and CHP 8 (2) : 141- 148

(1987) Tassou, SA. and Marquand, CJ., Effects of evaporator frosting and defrosting on the performance of air-to-water heat pumps, Applied Energy 28 (1) : 19- 33

Conference Papers

(2010) Wu, H., Jouhara, H., Tassou, SA. and Karayiannis, TG., Analysis of energy use in crisp frying processes, 4th International Conference on Sustainable Energy & Environmental Protection, SEEP2010 Conference 100- 107 Download publication

(2009) Suamir, IN., Tassou, SA., Hadawey, A., Chaer, I. and Marriott, D., Investigation of the performance characteristics of an ammonia-water absorption chiller in a trigeneration system arrangement, Heat Powered Cycles Conference

(2009) Ge, YT., Tassou, SA., Chaer, I. and Suguartha, N., Performance analysis of a combined cooling heating and power system, , UECTC'09 - Proceedings of 2009 US-EU-China Thermophysics Conference - Renewable Energy

(2008) Tassou, SA., Marriott, D., Chaer, I., Sugiartha, N. and Suamir, IN., Trigeneration - a solution to efficient use of energy in the food industry, Institute of Refrigeration Proceedings 2007/2008

(2006) Tassou, SA., Chaer, I., Sugiartha, N. and Marriott, D., Application of trigeneration systems to the food retail industry, , ECOS 2006: Proceedings of the 19th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems, Vols 1-3 1185- 1192

(2001) Xiang, W., Tassou, SA. and Kolokotroni, M., Heating of church buildings of historic importance with direct gas-fired heating systems, , ASHRAE Winter Meeting CD, Technical and Symposium Papers 505- 512

Book Chapters

(2008) Tassou, SA. and Ge, Y., Reduction of refrigeration energy consumption and environmental impacts in food retailing. In: Klemeš, J., Smith, R. and Kim, J-K. eds. Handbook of Water and Energy Management in Food Processing. Woodhead Publishing

(1998) Tassou, SA. and Lau, KM., Low energy cooling technologies - a review. In: Tassou, SA. ed. Low-Energy Cooling Technologies for Buildings: Challenges and Opportunities for the Environmental Control of Buildings. (1998) : 1- 22

Page last updated: Tuesday 11 October 2011