Song, H., Ladommatos, N. and Zhao, H. (2004) 'Morphology, size distribution, and oxidation of diesel soot'. Journal of the Energy Institute, 77 (511). pp. 26 - 36. ISSN: 1743-9671

Jiang, X., Zhao, H. and Cao, L. (2004) 'Direct computation of a heated axisymmetric pulsating jet'. Numerical Heat Transfer, Part A: Applications, 46 (10). pp. 957 - 979. ISSN: 1040-7782

Bhave, AN., Kraft, M., Zhao, H. and Mauss, F. (2004) 'Investigating the boundaries of a stable HCCI engine operation using a PDF-based engine cycle simulator'. International Symposium on Combustion, Abstracts of Works-in-Progress Posters. pp. 264.

Zhu, Y., Zhao, H., Melas, DA. and Ladommatos, N. (2004) 'Computational study of the effects of the geometry of the piston bowl pip for a high-speed direct injection diesel engine'. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 218 (8). pp. 875 - 890. ISSN: 0954-4070

Cao, L., Zhao, H., Jiang, X. and Kalian, N. (2004) 'Effects of intake valve timing on premixed gasoline engine with CAI combustion'.2004 Powertrain & Fluid Systems Conference & Exhibition. SAE International. ISSN: 0148-7191

Zhao, H., Peng, Z. and Ma, T. (2004) 'Investigation of the HCCI/CAI combustion process by 2-D PLIF imaging of formaldehyde'.2004 SAE Fuels & Lubricants Meeting & Exhibition. SAE International. ISSN: 0148-7191

Zhu, Y., Zhao, H., Melas, DA. and Ladommatos, N. (2004) 'Computational study of the effects of the re-entrant lip shape and toroidal radii of piston bowl on a HSDI diesel engine's performance and emissions'.SAE 2004 World Congress & Exhibition. SAE International. ISSN: 0148-7191

Duret, P., Gatellier, B., Monteiro, L., Miche, M., Zima, P., Maroteaux, D., Guezet, J., Blundell, D., Spinnler, F., Zhao, H., Perotti, M. and Araneo, L. et al. (2004) 'Progress in diesel HCCI combustion within the european SPACE LIGHT project'.2004 SAE Fuels & Lubricants Meeting & Exhibition. SAE International. ISSN: 0148-7191

Li, Y., Zhao, H., Leach, B., Ma, T. and Ladommatos, N. (2004) 'In-cylinder measurements of fuel stratification in a twin-spark three-valve SI engine'.SAE 2004 World Congress & Exhibition. SAE International. ISSN: 0148-7191

Zhao, H. (2003) 'Optical diagnostics for internal combustion engines'. Institute of Physics Conference Series. pp. 63. ISSN: 0951-3248

Peng, Z., Zhao, H. and Ladommatos, N. (2003) 'Visualization of the homogeneous charge compression ignition/controlled autoignition combustion process using two-dimensional planar laser-induced fluorescence imaging of formaldehyde'. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 217 (12). pp. 1125 - 1134. ISSN: 0954-4070 Open Access Link

Li, Y., Zhao, H., Leach, B., Ma, T. and Ladommatos, N. (2003) 'Optimisation of in-cylinder flow for fuel stratification in a three-valve twin-spark-plug SI engine'.SAE 2003 World Congress & Exhibition. SAE International. ISSN: 0148-7191

Peng, Z., Zhao, H. and Ladommatos, N. (2003) 'Effects of air/fuel ratios and EGR rates on HCCI combustion of N-heptane, a diesel type fuel'.SAE 2003 World Congress & Exhibition. SAE International. ISSN: 0148-7191

Zhu, Y., Zhao, H. and Ladommatos, N. (2003) 'Computational study of the effects of injection timing, egr and swirl ratio on a HSDI multi-injection diesel engine emission and performance'.SAE 2003 World Congress & Exhibition. SAE International. ISSN: 0148-7191

Leach, B., Zhao, H., Li, Y., Ma, T., Ladommatos, N., Law, D. and Houston, R. et al. (2002) 'Characterization of in-cylinder fuel distribution from an air-assisted fuel injection system using advanced laser diagnostics'.Conference on Fuel Injection Systems. London, UK. 26 - 27 November. PROFESSIONAL ENGINEERING PUBLISHING LTD. pp. 159 - 172. ISSN: 1356-1448

Zhao, H., Li, J., Ma, T. and Ladommatos, N. (2002) 'Performance and analysis of a 4-stroke multi-cylinder gasoline engine with CAI combustion'.SAE World Congress & Exhibition. Detroit, Michigan, USA. 23 SAE International. ISSN: 0148-7191 Open Access Link

Ladommatos, N., Song, H. and Zhao, H. (2002) 'Measurements and predictions of diesel soot oxidation rates'. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 216 (8). pp. 677 - 689. ISSN: 0954-4070

Li, Y., Zhao, H. and Ladommatos, N. (2002) 'Analysis of large-scale flow characteristics in a four-valve spark ignition engine'. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 216 (9). pp. 923 - 938. ISSN: 0954-4062

Li, Y., Zhao, H., Peng, Z. and Ladommatos, N. (2002) 'Tumbling flow analysis in a four-valve spark ignition engine using particle image velocimetry'. International Journal of Engine Research, 3 (3). pp. 139 - 155. ISSN: 1468-0874

Li, Y., Zhao, H., Peng, Z. and Ladommatos, N. (2002) 'Particle image velocimetry measurement of in-cylinder flow in internal combustion engines - experiment and flow structure analysis'. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 216 (1). pp. 65 - 81. ISSN: 0954-4070

Ma, T., Zhao, H., Li, J. and Ladommatos, N. (2001) 'Experimental investigation of controlled auto-ignition (CAI) combustion in a 4-stroke multi-cylinder gasoline engine and drive cycle simulations'. New Generation of Engine Combustion Processes for the Future. pp. 115 - 124.

Oakley, A., Zhao, H., Ma, T. and Ladommatos, N. (2001) 'Dilution effects on the controlled auto-ignition (CAI) combustion of hydrocarbon and alcohol fuels'.SAE International Fall Fuels & Lubricants Meeting & Exhibition. San Antonio, Texas, USA. 24 SAE International. ISSN: 0148-7191 Open Access Link

Li, J., Zhao, H., Ladommatos, N. and Ma, T. (2001) 'Research and development of Controlled Auto-Ignition (CAI) combustion in a 4-stroke multi-cylinder gasoline engine'.SAE International Fall Fuels & Lubricants Meeting & Exhibition. San Antonio, Texas, USA. 24 SAE International. ISSN: 0148-7191 Open Access Link

Zhao, H. and Ladommatos, N. (2001) 'Engine Combustion Instrumentation and Diagnostics'. McFarland. ISSN 10: 0768006651 ISSN 13: 9780768006650

Zhao, H., Peng, Z. and Ladommatos, N. (2001) 'Understanding of controlled autoignition combustion in a four-stroke gasoline engine'. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 215 (12). pp. 1297 - 1310. ISSN: 0954-4070

Oakley, A., Zhao, H., Ladommatos, N. and Ma, T. (2001) 'Feasibility study of an online gasoline fractionating system for use in spark-ignition engines'.SAE 2001 World Congress. SAE International. ISSN: 0148-7191

Zhao, H., Peng, Z., Williams, J. and Ladommatos, N. (2001) 'Understanding the effects of recycled burnt gases on the controlled autoignition (CAI) combustion in four-stroke gasoline engines'.SAE International Fall Fuels & Lubricants Meeting & Exhibition. SAE International. ISSN: 0148-7191

Song, H., Ladommatos, N. and Zhao, H. (2001) 'Diesel soot oxidation under controlled conditions'.SAE International Fall Fuels & Lubricants Meeting & Exhibition. SAE International. ISSN: 0148-7191

Li, Y., Zhao, H., Peng, Z. and Ladommatos, N. (2001) 'Analysis of tumble and swirl motions in a four-valve SI engine'.SAE International Fall Fuels & Lubricants Meeting & Exhibition. SAE International. ISSN: 0148-7191

Oakley, A., Zhao, H., Ladommatos, N. and Ma, T. (2000) 'Experimental studies on Controlled Auto-ignition (CAI) combustion in a 4-stroke gasoline engine'.International Conference on 21st Century Emissions Technology. London, UK. 4 - 5 December. SAE International. pp. 163 - 174. ISSN: 0148-7191

Zhao, H., Williams, J., Damiano, L., Bryce, D., Ladommatos, N. and Ma, T. (2000) 'Development of a specially designed optical engine and laser diagnostics for stratified charge and controlled auto-ignition combustion studies'.International Conference on Computational and Experimental Methods in Reciprocating Engines. London, UK. 1 - 2 November. PROFESSIONAL ENGINEERING PUBLISHING LTD. pp. 151 - 165. ISSN: 1356-1448

Zhao, H., Hu, J. and Ladommatos, N. (2000) 'In-cylinder studies of the effects of CO2 in exhaust gas recirculation on diesel combustion and emissions'. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 214 (4). pp. 405 - 419. ISSN: 0954-4070

Ladommatos, N., Xiao, Z. and Zhao, H. (2000) 'Effects of fuels with a low aromatic content on diesel engine exhaust emissions'. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 214 (7). pp. 779 - 794. ISSN: 0954-4070

Bryce, DJ., Ladommatos, N. and Zhao, H. (2000) 'Quantitative investigation of soot distribution by laser-induced incandescence'. Applied Optics, 39 (27). pp. 5012 - 5022. ISSN: 0003-6935

Xiao, Z., Ladommatos, N. and Zhao, H. (2000) 'The effect of aromatic hydrocarbons and oxygenates on diesel engine emissions'. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 214 (3). pp. 307 - 332. ISSN: 0954-4070

Calnan, P., Zhao, H., Ladomattos, N. and Ma, T. (2000) 'The influence of dilution composition and temperature upon a stratified charge spark ignition engine'.CEC/SAE Spring Fuels & Lubricants Meeting & Exposition. SAE International. ISSN: 0148-7191

Ladommatos, N., Abdelhalim, S. and Zhao, H. (2000) 'The effects of exhaust gas recirculation on diesel combustion and emissions'. International Journal of Engine Research, 1 (1). pp. 107 - 126. ISSN: 1468-0874

Lavy, J., Dabadie, JC., Angelberger, C., Duret, P., Willand, J., Juretzka, A., Schäflein, J., Ma, T., Lendresse, Y., Satre, A., Schulz, C., Krämer, H., Zhao, H. and Damiano, L. et al. (2000) 'Innovative ultra-low NOx controlled auto-ignition combustion process for gasoline engines: The 4-SPACE project'.CEC/SAE Spring Fuels & Lubricants Meeting & Exposition. SAE International. ISSN: 0148-7191

Zhao, H., Calnan, P., Ladommatos, N. and Ma, T. (1999) 'Development of an engine simulation program and its application to stratified charge SI engines'. International Journal of Vehicle Design, 22 (3-4). pp. 159 - 194. ISSN: 0143-3369

Bryce, D., Ladommatos, N., Xiao, Z. and Zhao, H. (1999) 'Investigating the effect of oxygenated and aromatic compounds in fuel by comparing laser soot measurements in laminar diffusion flames with diesel-engine emissions'. Journal of the Energy Institute, 72 (493). pp. 150 - 156. ISSN: 0144-2600

Zhao, H., Peng, Z., Calnan, P., Ladommatos, N. and Ma, T. (1999) 'Analysis of stratified EGR and air on combustion and NO formation in a spark-ignition engine'. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 213 (6). pp. 611 - 623. ISSN: 0954-4070

Calnan, PCC., Zhao, H., Ladommatos, N. and Ma, T. (1998) 'Analysis of axial stratification on Sl engine performance and emissions'.International Conference on Combustion Engines and Hybrid Vehicles. London, UK. 28 - 30 April. PROFESSIONAL ENGINEERING PUBLISHING LTD. pp. 159 - 181. ISSN: 1356-1448

Ladommatos, N., Abdelhalim, SM. and Zhao, H. (1998) 'Effects of exhaust gas recirculation temperature on diesel engine combustion and emissions'. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 212 (6). pp. 479 - 500. ISSN: 0954-4070

Ladommatos, N., Abdelhalim, S. and Zhao, H. (1998) 'Control of oxides of nitrogen from diesel engines using diluents while minimising the impact on particulate pollutants'. Applied Thermal Engineering, 18 (11). pp. 963 - 980. ISSN: 1359-4311

Zhao, H. and Ladommatos, N. (1998) 'Optical diagnostics for in-cylinder mixture formation measurements in IC engines'. Progress in Energy and Combustion Science, 24 (4). pp. 297 - 336. ISSN: 0360-1285

Zhao, H. and Ladommatos, N. (1998) 'Optical diagnostics for soot and temperature measurement in diesel engines'. Progress in Energy and Combustion Science, 24 (3). pp. 221 - 255. ISSN: 0360-1285

Ladommatos, N., Abdelhalim, SM., Zhao, H. and Hu, Z. (1998) 'The effects on diesel combustion and emissions of reducing inlet charge mass due to thermal throttling with hot EGR'.International Congress & Exposition. SAE International. ISSN: 0148-7191

Ladommatos, N., Abdelhalim, SM., Zhao, H. and Hu, Z. (1998) 'The effects of carbon dioxide in exhaust gas recirculation on diesel engine emissions'. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 212 (1). pp. 25 - 42. ISSN: 0954-4070

Ladommatos, N., Abdelhalim, SM., Zhao, H. and Hu., Z. (1998) 'Effects of EGR on heat release in diesel combustion'.International Congress & Exposition. SAE International. ISSN: 0148-7191

Ladommatos, N., Abdelhalim, SM., Zhao, H. and Hu, Z. (1997) 'The dilution, chemical, and thermal effects of exhaust gas recirculation on disesel engine emissions - Part 4: Effects of carbon dioxide and water vapour'.International Spring Fuels & Lubricants Meeting & Exposition. SAE International. ISSN: 0148-7191

Ladommatos, N., Abdelhalim, SM., Zhao, H. and Hu, Z. (1997) 'The dilution, chemical, and thermal effects of exhaust gas recirculation on diesel engine emissions - Part 3: Effects of water vapour'.International Spring Fuels & Lubricants Meeting & Exposition. SAE International. ISSN: 0148-7191