Cairns, A., Zhao, H., Todd, A. and Aleiferis, P. (2012) 'A study of mechanical variable valve operation with gasoline-alcohol fuels in a spark ignition engine'. Fuel: the science and technology of fuel and energy, 106. pp. 802 - 813. ISSN: 0016-2361

Martins, M. and Zhao, H. (2012) 'Performance and emissions of a 4-cylinder gasoline engine with Controlled Auto-Ignition'. Journal of the Brazilian Society of Mechanical Sciences and Engineering, 34 (4). pp. 436 - 440. ISSN: 1678-5878

Zhao, H. (2012) 'Laser diagnostics and optical measurement techniques in internal combustion engines'. Warrendale, USA: SAE International. ISSN 13: 9780768057829

Xie, H., Zou, QW., Song, DX. and Zhao, H. (2012) 'Effects of injection strategy and in-cylinder flow on fuel distribution in HCCI gasoline engine'. Ranshao Kexue Yu Jishu Journal of Combustion Science and Technology, 18 (4). pp. 289 - 294. ISSN: 1006-8740

Lin, MQ., Yi, L., Qin, J., Li, L., Yu, WF., Xie, H. and Zhao, H. et al. (2012) 'In-cylinder gas sampling and detection analysis methods of methanol fueled controlled auto-ignition engines'. Tianjin Daxue Xuebao Ziran Kexue Yu Gongcheng Jishu Ban Journal of Tianjin University Science and Technology, 45 (8). pp. 747 - 751. ISSN: 0493-2137

Lee, CY., Zhao, H. and Ma, T. (2012) 'Analysis of a novel mild air hybrid engine technology, RegenEBD, for buses and commercial vehicles'. International Journal of Engine Research, 13 (3). pp. 274 - 286. ISSN: 1468-0874

Tongroon, M. and Zhao, H. (2012) 'Combustion and emission characteristics of alcohol fuels in a CAI engine'. Fuel, 104. pp. 386 - 397. ISSN: 0016-2361

Tongroon, M. and Zhao, H. (2012) 'Analysis of the effect of direct injection of alcohol fuel on minor heat release reactions and controlled autoignition combustion'. Proceedings of the Institution of Mechanical Engineers Part D Journal of Automobile Engineering, 226 (12). pp. 1678 - 1688. ISSN: 0954-4070

Labecki, L., Cairns, A., Xia, J., Megaritis, A., Zhao, H. and Ganippa, LC. (2012) 'Combustion and emission of rapeseed oil blends in diesel engine'. Applied Energy, 45. pp. 139 - 146. ISSN: 0306-2619

Labecki, L., Cairns, A., Xia, J., Megaritis, A., Zhao, H. and Ganippa, LC. (2012) 'Combustion and emission of rapeseed oil blends in diesel engine'. Applied Energy, 95. pp. 139 - 146. ISSN: 0306-2619

Xia, J., Zhao, H., Megaritis, A., Luo, KH., Cairns, A. and Ganippa, LC. (2012) 'Inert-droplet and combustion effects on turbulence in a diluted diffusion flame'. Combustion and Flame, 160 (2). pp. 366 - 383. ISSN: 0010-2180

Cairns, A., Zhang, Y., Zhao, H. and Ojapah, M. (2012) '2-Stroke CAI combustion operation in a GDI engine with poppet valves'.SAE WORLD CONGRESS. SAE International. ISSN: 0148-7191

Díez, A., Zhao, H., Carrozzo, T., Catania, AE. and Spessa, E. (2012) 'Development of a high-speed two-colour system and its application to in-cylinder diesel combustion temperature and soot measurements with split injections'. Proceedings of the Institution of Mechanical Engineers Part D Journal of Automobile Engineering, 226 (5). pp. 684 - 697. ISSN: 0954-4070

Li, L., Xie, H., Chen, T., Yu, W. and Zhao, H. (2012) 'Experimental study on spark assisted compression ignition (SACI) combustion with positive valve overlap in a HCCI gasoline engine'.SAE 2012 World Congress & Exhibition. SAE International. ISSN: 0148-7191

Chen, T., Xie, H., Li, L., Yu, W., Zhang, L. and Zhao, H. (2012) 'Expanding the low load limit of HCCI combustion process using EIVO strategy in a 4VVAS gasoline engine'.SAE 2012 World Congress & Exhibition. SAE International. ISSN: 0148-7191

Zhang, Y. and Zhao, H. (2012) 'Measurement of short-circuiting and its effect on the controlled autoignition or homogeneous charge compression ignition combustion in a two-stroke poppet valve engine'. Proceedings of the Institution of Mechanical Engineers Part D Journal of Automobile Engineering, 226 (8). pp. 1110 - 1118. ISSN: 0954-4070

Zhang, Y., Zhao, H., Ojapah, M. and Cairns, A. (2012) 'Effects of injection timing on CAI operation in a 2/4-stroke switchable GDI engine'. SAE International Journal of Engines, 5 (2). pp. 67 - 75. ISSN: 1946-3936

Yu, W., Xie, H., Chen, T., Li, L., Song, K. and Zhao, H. (2012) 'Effects of active species in residual gas on auto-ignition in a HCCI gasoline engine'.SAE 2012 World Congress & Exhibition. SAE International. ISSN: 0148-7191

Zhang, Y., Zhao, H., Ojapah, M. and Cairns, A. (2011) 'Experiment and analysis of a direct injection gasoline engine operating with 2-stroke and 4-stroke cycles of spark ignition and controlled auto-ignition combustion'. SAE Technical Papers.

Chen, T., Xie, H., Li, L., Yu, W., Li, Z. and Zhao, H. (2011) 'Continuous load adjustment strategy of a gasoline HCCI-SI engine fully controlled by exhaust gas'. SAE Technical Papers.

Lee, CY., Zhao, H. and Ma, T. (2011) 'Pneumatic regenerative engine braking technology for buses and commercial vehicles'. SAE International Journal of Engines, 4 (3). pp. 2687 - 2698. ISSN: 1946-3936

Zhao, H., Psanis, C., Ma, T., Turner, J. and Pearson, R. (2011) 'Theoretical and experimental studies of air-hybrid engine operation with fully variable valve actuation'. International Journal of Engine Research, 12 (6). pp. 527 - 548. ISSN: 1468-0874

Herfatmanesh, MR., Zhao, H. and Ganippa, L. (2011) 'In-cylinder studies of split injection in a single cylinder optical diesel engine', inInternal Combustion Engines Improving Performance Fuel Economy and Emissions. pp. 99 - 109.

Zhang, Y., Zhao, H., Ojapah, M. and Cairns, A. (2011) 'Analysis of CAI/HCCI combustion in a 2-stroke poppet valve engine'. Institution of Mechanical Engineers Internal Combustion Engines Improving Performance Fuel Economy and Emissions. pp. 127 - 134.

Ojapah, M., Zhang, Y., Zhao, H. and Ganippa, L. (2011) 'Particulate matter emission from different combustion modes in a 2/4 stroke switchable direct injection gasoline engine', inInternal Combustion Engines Improving Performance Fuel Economy and Emissions. pp. 75 - 83.

Xia, J., Luo, KH. and Zhao, H. (2011) 'Dynamic large-eddy simulation of droplet effects on a reacting plume in countercurrent configuration'. Combustion Science and Technology, 183 (5). pp. 487 - 518. ISSN: 0010-2202

Yang, C. and Zhao, H. (2011) 'In-cylinder studies of CAI/HCCI combustion with negative valve overlap in a direct injection gasoline optical engine'. Combustion Science and Technology, 183 (5). pp. 467 - 486. ISSN: 0010-2202

Zhao, H., Psanis, C. and Ma, T. (2011) 'Analysis of an air hybrid engine concept with an energy recovery valve'. International Journal of Vehicle Design, 55 (1). pp. 49 - 75. ISSN: 0143-3369

Herfatmanesh, MR., Zhao, H. and Ganippa, L. (2011) 'In-cylinder studies of split injection in a single cylinder optical diesel engine'.Conference on Internal Combustion Engines - Improving Performance, Fuel Economy and Emissions. London, ENGLAND. 1 - 30 November. Elsevier. pp. 99 - 109.

Zhang, Y., Zhao, H., Ojapah, M. and Cairns, A. (2011) 'Effects of injection timing on CAI operation in a 2/4-stroke switchable GDI engine'. SAE Technical Papers.

Cairns, A., Zhao, H., Zhang, Y. and Ojapah, M. (2011) 'Experiment and Analysis of a Direct Injection Gasoline Engine Operating with 2-stroke and 4-stroke Cycles of Spark Ignition and Controlled Auto-Ignition Combustion'.JSAE ANNUAL CONGRESS. SAE International. ISSN: 0148-7191

Chen, T., Xie, H., Li, L., Yu, W., Li, Z. and Zhao, H. (2011) 'Continuous load adjustment strategy of a gasoline HCCI-SI engine fully controlled by exhaust gas'.SAE 2011 World Congress & Exhibition. SAE International. ISSN: 0148-7191

Ojapah, M., Zhang, Y., Zhao, H. and Ganippa, L. (2011) 'Particulate matter emission from different combustion modes in a 2/4 stroke switchable direct injection gasoline engine'.Conference on Internal Combustion Engines - Improving Performance, Fuel Economy and Emissions. London, ENGLAND. 1 - 30 November. Elsevier. pp. 75 - 83.

Bai, SZ., Zhao, H. and Li, GX. (2010) 'Two-dimensional gas-phase temperature measurements in engine using laser-induced phosphorescence thermometry'. Ranshao Kexue Yu Jishu Journal of Combustion Science and Technology, 16 (6). pp. 515 - 518. ISSN: 1006-8740

Yang, CH. and Zhao, H. (2010) 'In-cylinder studies of hybrid combustion in a direct injection single-cylinder optical engine'. International Journal of Engine Research, 11 (6). pp. 515 - 531. ISSN: 1468-0874

Zhang, Y., Zhao, H., Xie, H. and He, BQ. (2010) 'Variable-valve-actuation-enabled high-efficiency gasoline engine'. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 224 (8). pp. 1081 - 1095. ISSN: 0954-4070

Li, N., Xie, H. and Zhao, H. (2010) 'Effect of the temperature inhomogeneity on the auto-ignition based on an exhaust gas management gasoline engine'. Kung Cheng Je Wu Li Hsueh Pao Journal of Engineering Thermophysics, 31 (8). pp. 1419 - 1422. ISSN: 0253-231X

Diez, A. and Zhao, H. (2010) 'Effect of the dwell angle of split injection in a single-cylinder optical diesel engine'. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 224 (6). pp. 815 - 828. ISSN: 0954-4070

Yang, C., Theinnoi, K., Hemmings, S., Megaritis, A., Tsolakis, A. and Zhao, H. (2010) 'Periodically Regenerating Diesel Particulate Filter with Hydrogen Addition: Towards a Fuel Reformer – Diesel Engine Aftertreatment System'.FISITA 2010 World Automotive Congress. Budapest, Hungary. 30 - 4 June. Woodhead Publishing Limited. pp. 235 - 244.

Tongroon, M. and Zhao, H. (2010) 'Combustion characteristics of CAI combustion with alcohol fuels'.SAE 2010 World Congress & Exhibition: Kinetically Controlled CI Combustion and Controls. SAE International. pp. Paper number 2010-01-0843 - Paper number 2010-01-0843. ISSN: 0148-7191 Open Access Link

Diez, A. and Zhao, H. (2010) 'Investigation of split injection in a single cylinder optical diesel engine'.SAE World Congress and Exhibition. Detroit, MI, USA. 12 SAE International. ISSN: 0148-7191 Open Access Link

Lee, CY., Zhao, H. and Ma, T. (2010) 'A low cost air hybrid concept'. Oil and Gas Science and Technology - Revue d'IFP Energies Nouvelles, 65 (1). pp. 19 - 26. ISSN: 1294-4475 Open Access Link

Lee, CY., Zhao, H. and Ma, T. (2010) 'A low cost air hybrid concept'. Oil and Gas Science and Technology, 65 (1). pp. 19 - 26. ISSN: 1294-4475

Lee, CY., Zhao, H. and Ma, T. (2010) 'The performance characteristics of an production oriented air hybrid powertrain'. SAE Technical Papers, 3 (1). pp. 609 - 619. ISSN: 0148-7191

Li, N., Xie, H., Shen, M. and Zhao, H. (2010) 'CFD study on effects of thermal and residual gas inhomogeneous distribution on auto-ignition of gasoline HCCI combustion'.SAE 2010 World Congress & Exhibition. SAE International. ISSN: 0148-7191

Zhao, H. (2009) 'Advanced direct injection combustion engine technologies and development: Diesel engines'. Cambridge, UK: Woodhead Publishing Limited. ISSN 10: 1 84569 744 8 ISSN 13: 978 1 84569 744 0

Zhao, H. (2009) 'Overview of gasoline direct injection engines', inAdvanced Direct Injection Combustion Engine Technologies and Development Gasoline and Gas Engines. pp. 1 - 19.

Zhao, H. (2009) 'Direct injection gasoline engines with autoignition combustion', inAdvanced Direct Injection Combustion Engine Technologies and Development Gasoline and Gas Engines. pp. 133 - 165.

Zhao, H. (2009) 'Advanced direct injection combustion engine technologies and development: Gasoline and gas engines'. Cambridge, UK: Woodhead Publishing Limited. ISSN 10: 1 84569 389 2 ISSN 13: 978 1 84569 389 3

Yang, C., Zhao, H. and Megaritis, A. (2009) 'Investigation of CAI Combustion with Positive Valve Overlap and Enlargement of CAI Operating'.SAE World Congress 2009. Detroit, USA. 20 - 23 April. SAE International. ISSN: 0148-7191

Yang, C., Zhao, H. and Megaritis, A. (2009) 'In-cylinder studies of CAI Combustion with Negative Valve Overlap and Simultaneous Chemiluminescence Analysis'.SAE World Congress 2009. Detroit, USA. 20 - 23 April. SAE International. ISSN: 0148-7191