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Faculty of Engineering
   
   
  
 

Guohui Gan

Associate Professor, Institute of Building Technology, Faculty of Engineering

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Expertise Summary

Modelling and measurement of air flow in and around buildings; Assessment of indoor environmental quality; Development and application of CFD; Passive heating, cooling and natural ventilation of buildings; Solar thermal and building-integrated photovoltaics; Ground coupled heat exchangers and ground source heat pumps; HVAC and heat recovery systems.

Research Summary

Ground source heat pumps; Building-integrated photovoltaics; Natural ventilation and mechanical ventilation of buildings; CFD modelling of buoyancy-driven fluid flow, heat transfer and fluid flow in… read more

Selected Publications

Current Research

Ground source heat pumps; Building-integrated photovoltaics; Natural ventilation and mechanical ventilation of buildings; CFD modelling of buoyancy-driven fluid flow, heat transfer and fluid flow in porous media including soil and building structures, and conjugate heat transfer in fluid-solid fields.

Past Research

Application of CFD to the Built Environment: Room air movement, thermal comfort and air quality; Air flow and pressure loss in ventilation systems; Natural ventilation and ventilation heat recovery; Heat pipes; Passive heating/cooling; Evaporative cooling; Ejector cooling; Transparent structures; Building integrated photovoltaics.

  • GAN, G., 2011. General expressions for the calculation of air flow and heat transfer rates in tall ventilation cavities BUILDING AND ENVIRONMENT. VOL 46(NUMBER 10), 2069-2080
  • GAN, G., 2011. Prediction of heat transfer and air flow in solar heated ventilation cavities. In: MURPHY, A.D., ed., Computational Fluid Dynamics: Theory, Analysis and Applications Nova Science Publishers. 137-178
  • WU YUPENG, GAN GUOHUI, VERHOEF ANNE, VIDALE PIER LUIGI AND GARCIA GONZALEZ RAQUEL, 2010. Experimental measurement and numerical simulation of horizontal-coupled Slinky Ground Source Heat Exchangers Applied Thermal Engineering. 30(16), 2574-2583
  • GAN, G, 2010. Interaction between wind and buoyancy effects in natural ventilation of buildings Open Construction and Building Technology. 4, 134-145
  • WU, Y., GAN, G., VERHOEF, A. and VIDALE, P. L. AND GONZALEZ, R. G., 2010. CFD simulation of the thermal performance of slinky heat exchangers for ground source heat pumps In: World Renewable Energy Congress XI, Abu Dhabi, UAE, 25-30 September 2010. 1573-1577
  • GAN, G., 2010. Impact of computational domain on the prediction of buoyancy-driven ventilation cooling Building and Environment. 45(5), 1173-1183
  • GAN, G., 2010. Simulation of buoyancy-driven natural ventilation of buildings - Impact of computational domain Energy and Buildings. 42(5), 1290-1300
  • GAN, G, 2010. Follow the flow and make better predictions of solar-assisted natural ventilation In: World Renewable Energy Congress XI, Abu Dhabi, UAE, 25-30 September 2010. 398-403
  • GAN, G, 2009. Numerical determination of adequate air gaps for building-integrated photovoltaics Solar Energy. 83(8), 1253-1273 (In Press.)
  • GAN, G, 2009. CFD modelling of transparent bubble cavity envelopes for energy efficient greenhouses Building and Environment. 44(12), 2486-2500 (In Press.)
  • GAN, G, 2008. Energy efficient greenhouses to minimise greenhouse gas emissions In: Universitas 21 - International Conference on Energy Technologies and Policy. (In Press.)
  • GAN, G. AND RIFFAT, S.B., 2008. Predicted thermal performance of transparent bubble structure In: SET2008 - 7th International Conference on Sustainable Energy Technologies. 708-715
  • GAN, G, 2008. Effect of air gap on the performance of building-integrated photovoltaics In: SET2008 - 7th International Conference on Sustainable Energy Technologies. 357-364 (In Press.)
  • MORI, H, ALLINSON, D, HALL, M and GAN, G. AND RIFFAT, S., 2008. Enhancement of sub-soil thermal conductivity for geothermal heat pump systems with rainwater collection In: SET2008 - 7th International Conference on Sustainable Energy Technologies. 1734-1741 (In Press.)
  • RATTANONGPHISAT, W and RIFFAT, S.B. AND GAN, G., 2008. Thermal separation flow characteristic in a vortex tube: CFD model International Journal of Low Carbon Technologies. 3(4), 282-295
  • GAN, G., RIFFAT, S.B. and CHONG, C.S.A., 2007. A novel rainwater-ground source heat pump: measurement and simulation Applied Thermal Engineering. 27(2-3), 430-441
  • RODRÍGUEZ-KURI, S and GAN, G. AND RIFFAT, S.B., 2007. Building integrated photo-piezoelectric cells for multi-source energy conversion In: SET2007 - 6th International Conference on Sustainable Energy Technologies. (In Press.)
  • RODRÍGUEZ-KURI, S and GAN, G. AND RIFFAT, S.B., 2007. Photo-piezoelectric cells for solar and wind energy conversion in buildings In: Renewable Energy Sources & Energy Efficiency Conference. (In Press.)
  • GAN, G., 2006. Simulation of buoyancy-induced flow in open cavities for natural ventilation Energy and Buildings. 38(5), 410-420
  • RIFFAT, S, JIANG L, ZHU, J and GAN, G, 2006. Experimental investigation of energy storage for an evacuated solar collector International Journal of Low Carbon Technologies. 1(2), 139-148
  • RATTANONGPHISAT, W., RIFFAT, S.B. and GAN, G., 2006. An experimental study of an environment-friendly vortex air cooling unit – Improving efficiency In: SET2006 - 5th International Conference on Sustainable Energy Technologies. 621-625 (In Press.)
  • GAN, G and RIFFAT, S.B. AND CHONG, C.S.A., 2006. Laboratory testing of a rainwater-ground source heat pump In: CIBSE National Conference 2006 – Engineering the Future. (In Press.)
  • RODRÍGUEZ-KURI, S., GAN, G. and RIFFAT, S.B, 2006. Photo-Piezoelectric Composite Materials for Multi-Source Energy Conversion In: SET2006 - 5th International Conference on Sustainable Energy Technologies. 411-416 (In Press.)
  • RIFFAT, S. B., JIANG, L. and GAN, G., 2005. Recent development in ejector technology - a review International Journal of Ambient Energy. VOL 26(NUMB 1), 13-26
  • GAN, G., RIFFAT, S. and CHONG, C.S., 2005. Thermal performance of heat exchangers for a rainwater-ground source heat pump In: SET2005 - 4th International Conference on Sustainable Energy Technologies. 6
  • ELBAKHEIT, A.R., GAN, G. and RIFFAT, S., 2005. Design optimisation for cooling building integrated photovoltaics using CFD In: CISBAT 2005.
  • RATTANONGPHISAT, W., RIFFAT, S. and GAN, G., 2005. The integration of photovoltaic into building for a vortex cooling system In: SET2005 - 4th International Conference on Sustainable Energy Technologies. 6
  • GAN, G. and RIFFAT, S.B., 2004. CFD modelling of air flow and thermal performance of an atrium integrated with photovoltaics Building and Environment. 39(7), 735-748
  • RATTANONGPHISAT, W., GAN, G. and RIFFAT, S.B., 2004. A vortex tube system powered by solar energy for cooling and heating of buildings In: 3rd International Conference on Sustainable Energy Technologies.
  • RIFFAT, S.B., GAN, G. and CHONG, A., 2004. Numerical and experimental investigation into the thermal performance of a rainwater storage tank for a ground source heat pump In: 3rd International Conference on Sustainable Energy Technologies.
  • RIFFAT, S. and GAN, G., 2004. Sustainable technologies and life labs for the new millennium In: 3rd International Conference on Heat Powered Cycles É Cooling, Heating and Power Generation Systems.
  • MIYAZAKI, T., AKISAWA, A., KASHIWAGI, T. and GAN, G., 2004. A computational fluid dynamics analysis of solar chimneys integrated with photovoltaics In: 8th World Renewable Energy Congress.
  • HASAN, A. and GAN, G., 2002. Simplification of analytical models and incorporation with CFD for the performance prediction of closed-wet cooling towers International Journal of Energy Research. VOL 26(PART 13), 1161-1174
  • GAN, G., RIFFAT, S.B., SHAO, L. and DOHERTY, P., 2001. Application of CFD to closed-wet cooling towers Applied Thermal Engineering. 21(1), 79-92
  • GAN, G. and RIFFAT, S. B., 2001. Assessing thermal performance of an atrium integrated with photovoltaics Building Services Engineering Research and Technology. VOL 22(PART 4), 201-218
  • GAN, G., 2001. Thermal transmittance of multiple glazing: computational fluid dynamics prediction Applied Thermal Engineering. VOL 21(NUMBER 15), 1583-1592
  • GAN, G., 2001. Analysis of mean radiant temperature and thermal comfort Building Services Engineering Research and Technology. VOL 22(PART 2), 95-102
  • GAN, G. and RIFFAT, S., 2001. Performance prediction of roof-integrated photovoltaics In: 22nd Annual AIVC Conference É Market Opportunities for Advanced Ventilation Technology.
  • GAN, G. and RIFFAT, S., 2001. Air flow in an atrium with roof-integrated photovoltaics In: CIBSE National Conference.
  • WANG, J., GAO, Z., GAN, G. and WU, D., 2001. Analytical solution of flow coefficients for a uniformly distributed porous channel Chemical Engineering Journal. VOL 84(NUMBER 1), 1-6
  • GAN, G., RIFFAT, S. B. and SHAO, L., 2000. CFD modelling of pressure loss across tube bundles of a heat exchanger for closed-wet cooling towers International Journal of Ambient Energy. VOL 21(PART 2), 77-84
  • GAN, G., RIFFAT, S. B. and SHAO, L., 2000. Performance prediction of a prototype closed-wet cooling tower Journal of The Institute of Energy. ISSU 495, 106-113
  • RIFFAT, S., OLIVEIRA, A., FACAO, J., GAN, G. and DOHERTY, P., 2000. Thermal performance of a closed wet cooling tower for chilled ceilings: measurement and CFD simulation International Journal of Energy Research. VOL 24(PART 13), 1171-1180
  • GAN, G. and RIFFAT, S. B., 2000. Numerical determination of energy losses at duct junctions Applied Energy. VOL 67(NUMBER 3), 331-340
  • OLIVEIRA, A., FACAO, J., AFONSO, C., SPRECHER, P., BORTH, J., SIREN, K., HASAN, A., SUOKOS, M., NIESSEN, R., RIFFAT, S.B., GAN, G. and SHAO, L., 2000. An ecological cooling system using chilled ceilings and closed wet cooling towers In: Roomvent 2000 - 7th International Conference on Air Distribution in Rooms. 893-898
  • RIFFAT, S.B. and GAN, G., 2000. Prediction of two-phase flow of air and water in a closed-wet cooling tower for comfort cooling of buildings In: Roomvent 2000. 6
  • GAN, G., 2000. Effective depth of fresh air distribution in rooms with single-sided natural ventilation Energy and Buildings. VOL 31(NUMBER 1), 65-73
  • GAN, G., 2000. Numerical evaluation of thermal comfort in rooms with dynamic insulation Building and Environment. VOL 35(NUMBER 5), 445-453
  • GAN, G. and RIFFAT, S. B., 1999. Determination of Energy Loss Characteristics of Dampers International Journal of Energy Research. VOL 23(NUMBER 1), 61-70
  • GAN, G. and RIFFAT, S. B., 1999. Numerical simulation of closed wet cooling towers for chilled ceiling systems Applied Thermal Engineering. VOL 19(NUMBER 12), 1279-1296
  • GAN, G. and RIFFAT, S. B., 1999. A study of heat-pipe heat recovery for natural ventilation Building Services Engineering Research and Technology. VOL 20(NUMBER 2), 57-62
  • GAN, G. and RIFFAT, S. B., 1999. Predicting thermal performance of a closed-wet cooling tower for chilled ceilings Building Services Engineering Research and Technology. VOL 20(PART 4), 185-194
  • GAN, G., 1999. Numerical determination of the effective depth for single-sided natural ventilation In: Indoor Air '99 / the AIVC 20th Annual Conference. 352-357
  • SHAO, L., RIFFAT, S. B. and GAN, G., 1998. Heat recovery with low pressure loss for natural ventilation Energy and Buildings. VOL 28(ISSUE 2), 179-184
  • GAN, G. and RIFFAT, S. B., 1998. A numerical study of solar chimney for natural ventilation of buildings with heat recovery Applied Thermal Engineering. VOL 18(NUMBER 12), 1171-1188
  • RIFFAT, S. B. and GAN, G., 1998. Determination of effectiveness of heat-pipe heat recovery for naturally-ventilated buildings Applied Thermal Engineering. VOL 18(NUMBER 3/4), 121-130
  • GAN, G. and RIFFAT, S. B., 1998. Measurement and simulation of air flow in a two-zone chamber with heat-pipe heat recovery International Journal of Ambient Energy. VOL 19(NUMBER 2), 93-103
  • GAN, G., RIFFAT, S.B., SMITH, S.J. and SHAO, L., 1998. K-factors for HVAC Components Building Services: The CIBSE Journal. 20(3), 51-52
  • SHAO, L., RIFFAT, S.B. and GAN, G., 1998. Performance of heat recovery in passive stack ventilation systems In: CIBSE National Conference.
  • GAN, G., 1998. Prediction of Turbulent Buoyant Flow Using an RNG k-curly epsilon Model Numerical Heat Transfer Part A: Applications. VOL 33(NUMBER 2), 169-190
  • GAN, G., 1998. A parametric study of Trombe walls for passive cooling of buildings Energy and Buildings. VOL 27(ISSUE 1), 37-43
  • GAN, G. and RIFFAT, S. B., 1997. CFD Prediction of K-Factors of Duct Elbows International Journal of Energy Research. VOL 21(NUMBER 7), 675-681
  • GAN, G. and RIFFAT, S. B., 1997. Pressure Loss Characteristics of Orifice and Perforated Plates Experimental Thermal and Fluid Science. VOL 14(NUMBER 2), 160-165
  • GAN, G. and RIFFAT, S. B., 1997. Naturally ventilated buildings with heat recovery: CFD simulation of thermal environment Building Services Engineering Research and Technology. VOL 18(NUMBER 2), 67-76
  • RIFFAT, S. B. and GAN, G., 1997. Passive Stack Ventilation with Heat Recovery Air Infiltration Review. VOL 18(NUMBER 4), 7-9
  • GAN, G., RIFFAT, S.B., SMITH, S.J. and SHAO, L., 1997. Determination of k-factors for HVAC system components In: CIBSE National Conference '97.
  • SMITH, S.J., GAN, G. and RIFFAT, S.B., 1997. Efficiency based on CFD modelling of extract hoods and diffusers used in HVAC systems In: Ventilation '97 - 5th International Conference on Ventilation for Contaminant Control.
  • SHAO, L., RIFFAT, S.B. and GAN, G., 1997. Heat recovery in passive stack ventilation using heat pipes In: Ventilation '97 - 5th International Conference on Ventilation for Contaminant Control.
  • RIFFAT, S.B., GAN, G. and SHAO, L., 1997. Heat-pipe heat recovery for passive stack ventilation In: 18th AIVC Conference - Ventilation and Cooling. 185-194
  • RIFFAT, S.B., SHAO, L. and GAN, G., 1997. Natural ventilation with heat recovery using heat pipes In: CIBSE National Conference '97. 253-260
  • GAN, G., 1997. Use of solar energy for ventilation cooling of buildings In: 18th AIVC Conference - Ventilation and Cooling. 77-85
  • SMITH, S. J., RIFFAT, S. B., GAN, G. and SHAO, L., 1996. K-factor Data of Interacting Duct Fittings Based on Measurement and CFD Modelling International Journal of Energy Research. VOL 20(NUMBER 12), 1129-1136
  • RIFFAT, S. B., GAN, G. and SMITH, S., 1996. Computational fluid dynamics applied to ejector heat pumps Applied Thermal Engineering. VOL 16(NUMBER 4), 291-298
  • GAN, G. and RIFFAT, S.B., 1996. Computational and experimental study of pressure losses in duct transitions International Journal of Energy Research. 20(11), 979-987
  • GAN, G. and RIFFAT, S. B., 1996. Measurement and Computational Fluid Dynamics Prediction of Diffuser Pressure-Loss Coefficient Applied Energy. VOL 54(NUMBER 2), 181-195
  • GAN, G., 1996. Effect of Combined Heat and Moisture Transfer on the Predicted Indoor Thermal Environment Indoor & Built Environment. VOL 5(NUMBER 3), 170-180
  • GAN, G. and RIFFAT, S. B., 1995. k-factors for HVAC ducts: Numerical and experimental determination Building Services Engineering Research and Technology. VOL 16(NUMBER 3), 133
  • SMITH, S.J., GAN, G., RIFFAT, S.B. and SHAO, L., 1995. k-factor data of duct fittings based on measurement and CFD modelling In: CIBSE National Conference. 337-344
  • GAN, G., 1994. Numerical assessment of thermal comfort and air quality in an office with displacement ventilation In: 15th AIVC Conference - The Role of Ventilation. 119-131
  • GAN, G. and AWBI, H.B., 1994. Numerical prediction of the age of air in ventilated rooms In: Roomvent '94 - 4th International Conference on Air Distribution in Rooms. 15-27
  • GAN, G., 1994. Towards a better indoor thermal environment - a CFD analysis of the performance of chilled ceiling systems In: Ventilation '94 - 4th International Symposium on Ventilation for Contaminant Control. 551-556
  • GAN, G. and AWBI, H. B., 1994. Numerical simulation of the indoor environment Building and Environment. VOL 29(NUMBER 4), 449
  • GAN, G. and CROOME, D. J., 1994. Thermal Comfort Models Based on Field Measurements ASHRAE Transactions. VOL 100(NUMBER 1), 782
  • AWBI, H. B. and GAN, G., 1994. Predicting Air Flow and Thermal Comfort in Offices ASHRAE Journal. VOL 36(NUMBER 2), 17
  • CROOME, D.J. and GAN, G., 1994. Thermal comfort and air quality in naturally ventilated offices: Case study Building Services Engineering Research and Technology. 15(3), 27-28
  • GAN, G., 1993. Numerical Method for a Full Assessment of Indoor Thermal Comfort Indoor Air. VOL 4(NUMBER 3), 154-168

Faculty of Engineering

The University of Nottingham
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telephone: +44 (0) 115 951 4163
email:engineering@nottingham.ac.uk