Contact Professor Vassilios Pachidis
- Tel: +44 (0) 1234 754663
- Email: v.pachidis@cranfield.ac.uk
- ORCID
Areas of expertise
- Aeronautical Systems
- Computational Fluid Dynamics
- Environmental Impacts
- Gas Turbines & Propulsion
- Power Systems & Turbines
Background
Prof Vassilios Pachidis has managed over the years some of the most prestigious projects and activities within the ‘Propulsion Engineering Centre’ at Cranfield, such as the Rolls-Royce University Technology Centre (UTC), the EU FP5 project ‘VIVACE’ and the EU FP7 project ‘Clean Sky JTI’. He has more than 15 years of experience in research, project management and income generation. He has more than 10 years of experience in post-graduate teaching, learning and Continuous Professional Development. He has supervised to date more than 100 postgraduates to completion.
Prof Pachidis is the appointed Chair of the ASME/IGTI ‘Cycle Innovations Committee’ until June 2017. He has been a member of the Committee since 2002. Since 2008 he has been a member of the ‘Clean Sky JTI – Technology Evaluator’ Programme Management and Steering Committees, acting as the ‘UK Research Establishment Representative’ at EU consortium level. He is a Chartered Engineer and a Fellow of the IMechE.
He has published widely in several international journals in the fields of Aerospace, Gas Turbine Engineering, Fluid Mechanics etc. He has more than 40 peer-reviewed papers in 4* and 3* journals, more than 70 fully peer-reviewed conference papers and 15 other conference publications to date.
He holds a 1st Class Honours MEng in ‘Aerospace Engineering’ from The University of Liverpool (graduated in 2000). He holds an MSc in ‘Thermal Power/Aerospace Propulsion’ (graduated in 2001) and a PhD in ‘Gas Turbine Advanced Performance Simulation’ (graduated in 2006) from Cranfield University. Amongst others, he has been awarded;
- 5 ASME/IGTI ‘Best Paper’ Awards in 2013, 2012, 2010, 2007 and 2006.
- The Cranfield School of Engineering ‘Arthur Lefebvre Prize’ in 2006, for his Doctoral work.
- The IMechE ‘Whittle Reactionaries Medal’ in 2002, for research in novel airframe-propulsion system integration.
Current activities
Prof Vassilios Pachidis is the Director of the ‘Rolls-Royce University Technology Centre (UTC) in Aero Systems Design, Integration & Performance’ at Cranfield (acting Deputy Director 2008-2014). He also heads the ‘Gas Turbine Engineering Group’ within the ‘Propulsion Engineering Centre’ of the School of Aerospace, Transport and Manufacturing (since October 2010). His main research focus is on gas turbine performance and certification, novel cycles, turbomachinery experimental, analytical and computational aerodynamics, propulsion system-airframe integration and environmental performance.Publications
Articles In Journals
- Templalexis I, Pachidis V & Azamar H (2020) Comparative assessment of fouling scenarios in an axial flow compressor, Journal of Engineering for Gas Turbines and Power, Available online 5 December 2020, Article No. GTP-20-1475.
- Scullion C, Vouros S, Goulos I, Nalianda D & Pachidis V (2020) Optimal control of a compound rotorcraft for engine performance enhancement, Journal of Engineering for Gas Turbines and Power, Available online 19 November 2020, Article No. GTP-20-1438.
- Righi M, Pachidis V & Konozsy L (2020) On the prediction of the reverse flow and rotating stall characteristics of high-speed axial compressors using a three-dimensional through-flow code, Aerospace Science and Technology, 99 (April) Article No. 105578.
- Righi M, Ferrer-Vidal LE & Pachidis V (2020) Body-force and mean-line models for the generation of axial compressor sub-idle characteristics, The Aeronautical Journal, 124 (1281) 1683-1701.
- Righi M, Pachidis V, Könözsy L, Zhao F & Vahdati M (2020) Three-dimensional low-order surge model for high-speed axial compressors, Journal of the Global Power and Propulsion Society, 4 274-284.
- Ferrer-Vidal LE, Pachidis V & Tunstall RJ (2020) Generating axial compressor maps to zero speed, Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, Available online 06 December 2020.
- Ferrer-Vidal LE & Pachidis V (2020) Numerical modeling of core compressor discharge for a windmilling aero engine, Aerospace Science and Technology, Available online 30 November 2020 Article No. 106365.
- Polyzos ND, Vouros S, Goulos I & Pachidis V (2020) Multi-disciplinary optimization of variable rotor speed and active blade twist rotorcraft: Trade-off between noise and emissions, Aerospace Science and Technology, Available online 17 November 2020 Article No. 106356.
- Vouros S, Goulos I, Scullion C, Nalianda D & Pachidis V (2020) Impact of tip-vortex modeling uncertainty on helicopter rotor blade-vortex interaction noise prediction, Journal- American Helicopter Society, Available online 04 September 2020.
- Ferrer-Vidal LE, Iglesias-Perez A & Pachidis V (2020) Characterization of axial compressor performance at locked rotor and torque-free windmill conditions, Aerospace Science and Technology, Available online 28 April 2020.
- Rajendran DJ & Pachidis V (2019) Fan flow field in an installed variable pitch fan operating in reverse thrust for a range of aircraft landing speeds, Journal of Engineering for Gas Turbines and Power, 141 (10) Article No. 101018.
- Roumeliotis I, Mourouzidis C, Zafferetti M, Deniz U, Broca O & Pachidis V (2019) Assessment of thermo-electric power plants for rotorcraft application, Journal of Engineering for Gas Turbines and Power, 142 (5) Article No. 051003.
- Eryilmaz I, Guenchi B & Pachidis V (2019) Multi-blade shedding in turbines with different casing and blade tip architectures, Aerospace Science and Technology, 87 (April) 300-310.
- Vouros S, Goulos I & Pachidis V (2019) Integrated methodology for the prediction of helicopter rotor noise at mission level, Aerospace Science and Technology, 89 (June) 136-149.
- Ferrar-Vidal LE, Schneider M, Allegretti A & Pachidis V (2019) A loss and deflection model for compressor blading and high negative incidence, Journal of Turbomachinery, 141 (12) Article No. 121001.
- Cleton B, Anselmi E, Pellegrini A, Pachidis V & Laskaridis P (2019) Effect of mixing Mach number and mixing efficiency on the preliminary cycle design of mixed high-BPR turbofans, Thermal Science and Engineering Progress, 10 (May) 299-308.
- Eryilmaz I & Pachidis V (2019) Turbine thermomechanical modelling during excessive axial movement and overspeed, The Aeronautical Journal, 123 (1260) 248-264.
- Righi M, Pachidis V, Könözsy L & Pawsey L (2018) Three-dimensional through-flow modelling of axial flow compressor rotating stall and surge, Aerospace Science and Technology, 78 (July) 271-279.
- Enconniere J, Ortiz-Carretero J & Pachidis V (2018) Mission optimisation for a conceptual coaxial rotorcraft for taxi applications, Aerospace Science and Technology, 72 (January) 14-24.
- Eryilmaz I, Pawsey L & Pachidis V (2018) Multidisciplinary methodology for turbine overspeed analysis, The Aeronautical Journal, 122 (1257) 1711-1733.
- Ortiz-Carretero J, Castillo Pardo A, Goulos I & Pachidis V (2018) Impact of adverse environmental conditions on rotorcraft operational performance and pollutant emissions, Journal of Engineering for Gas Turbines and Power, 140 (2) Article No. 021201, ASME GTP-17-1313.
- Pawsey L, Pachidis V & Rajendran DJ (2017) Characterisation of turbine behaviour for an engine overspeed prediction model, Aerospace Science and Technology, 73 (February) 10-18.
- Enconniere J, Ortiz-Carretero J & Pachidis V (2017) Mission performance analysis of a conceptual coaxial rotorcraft for air taxi applications, Aerospace Science and Technology, 69 (October) 1-14.
- Castillo Pardo A, Goulos I & Pachidis V (2017) Modelling and analysis of coupled flap-lag-torsion vibration characteristics for helicopter rotor blades, Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 231 (10) 1804-1823.
- Pawsey L, Rajendran DJ & Pachidis V (2017) Aerodynamic performance of an un-located high-pressure turbine rotor, The Aeronautical Journal, 121 (1242) 1200-1215.
- Pellegrini A, Nikolaidis T, Pachidis P & Kohler S (2017) On the performance simulation of inter-stage turbine reheat, Applied Thermal Engineering, 113 544-553.
- Templalexis I & Pachidis V (2017) Simulation of Fouling in Axial Flow Compressor Using a Throughflow Method, Journal of Energy Engineering, 143 (1).
- Fakhre A, Tzanidakis K, Goulos I, Pachidis V & d'Ippolito R (2015) Multi-Objective Optimization of Conceptual Rotorcraft Powerplants: Trade-off Between Rotorcraft Fuel Efficiency and Environmental Impact, Journal of Engineering for Gas Turbines and Power, 137 (7) 071201-GTP-14-1508.
- Ali F, Tzanidakis K, Goulos I, Pachidis V & d'Ippolito R (2015) Optimized regenerative powerplant configurations targeting improved rotorcraft operational and environmental performance, Journal- American Helicopter Society, 60 (2) 1-12.
- Ali F, Goulos I & Pachidis V (2015) An integrated methodology to assess the operational and environmental performance of a conceptual regenerative helicopter, The Aeronautical Journal, 119 (1211) 1-24.
- Ali F, Goulos I & Pachidis V (2015) A preliminary design trade-off study for an advanced propulsion technology helicopter at mission level, Journal of Engineering for Gas Turbines and Power, 138 (1) Article No. 012602.
- Goulos I, Pachidis V, Pilidis P, (2015) Flexible Rotor Blade Dynamics for Helicopter Aeromechanics Including Comparisons with Experimental Data, The Aeronautical Journal, 119 (1213) 301-342.
- Fakhre A, Tzanidakis K, Goulos I, Pachidis V & d'Ippolito R (2015) Multi-objective Optimization of a Regenerative Rotorcraft Powerplant: Trade-off between Overall Engine Weight and Fuel Economy, Journal of Engineering for Gas Turbines and Power, 137 (12) 121201-121210.
- Ali F, Tzanidakis K, Goulos I, Pachidis V & d'Ippolito R (2015) Design space exploration and optimization of conceptual rotorcraft powerplants, Journal of Engineering for Gas Turbines and Power, 138 (1) Article No. 121701.
- Ali F, Tzanidakis K, Goulos I, Pachidis V & d'Ippolito R (2015) Multidisciplinary design and optimisation of conceptual rotorcraft powerplants for operational performance and environmental impact, The Aeronautical Journal, 119 (1217).
- Goulos I, Pachidis V & Pilidis P (2014) Helicopter rotor blade flexibility simulation for aeroelasticity and flight dynamics applications, Journal- American Helicopter Society, 59 (4) 1-18.
- Goulos I, Ali F, Tzanidakis K, Pachidis V & d'Ippolito R (2014) A Multidisciplinary Approach for the Comprehensive Assessment of Integrated Rotorcraft-Powerplant Systems at Mission Level, Journal of Engineering for Gas Turbines and Power, 137 (1) 012603-1-012603-11.
- Goulos I, Pachidis V, (2014) Real-Time Aero-elasticity Simulation of Open Rotors With Slender Blades for the Multidisciplinary Design of Rotorcraft, Journal of Engineering for Gas Turbines and Power, 137 (1).
- Laskaridis P, Pachidis V & Pilidis P (2014) Opportunities and challenges for distributed propulsion and boundary layer ingestion, Aircraft Engineering and Aerospace Technology, 86 (6) 451-458.
- Goulos I, Pachidis V & Pilidis P (2014) Lagrangian Formulation for the Rapid Estimation of Helicopter Rotor Blade Vibration Characteristics, The Aeronautical Journal, 118 (1206) 861-901.
- Goulos I, Hempert F, Sethi V, Pachidis V, d'Ippolito R & d'Auria M (2013) Rotorcraft engine cycle optimization at mission level, Journal of Engineering for Gas Turbines and Power, 135 (9).
- Grech N, Koupper C, Zachos PK, Pachidis V & Singh R (2012) Considerations on the numerical modeling and performance of axial swirlers under relight conditions, Journal of Engineering for Gas Turbines and Power, 134 (11) Article No. 111505.
- Gallar L, Volpe V, Salussolia M, Pachidis V & Jackson A (2012) Thermodynamic Gas Model Effect on Gas Turbine Performance Simulations, Journal of Propulsion and Power, 28 (4) 719-727.
- Goulos I, Pachidis V, d'Ippolito R, Stevens J & Smith C (2012) An Integrated Approach for the Multidisciplinary Design of Optimum Rotorcraft Operations, Journal of Engineering for Gas Turbines and Power, 134 (9).
- Grech N, Mehdi A, Zachos PK, Pachidis V & Singh R (2012)
Effect of Combustor Geometry on Performance of Airblast Atomizer under Sub-Atmospheric Conditions
, Engineering Applications of Computational Fluid Mechanics, 6 (2) 203-213. - Terzis A, Zachos PK, Charnley B, Pachidis V & Kalfas AI (2011) On the applicability of oil and dye flow visualization technique during the design phase and operation of experimental rigs, Journal of Flow Visualization and Image Processing, 18 (3) 199-214.
- Gallar L, Calcagni C, Llorens C & Pachidis V (2011) Time accurate modelling of the secondary air system response to rapid transients, Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 225 (8) 946-958.
- Zachos PK, Grech N, Charnley B, Pachidis V & Singh R (2011) Experimental and numerical investigation of a compressor cascade at highly negative incidence, Engineering Applications of Computational Fluid Mechanics, 5 (1) 26-36.
- Zachos PK, Aslanidou I, Pachidis V & Singh R (2011) A Sub-idle Compressor Characteristic Generation Method With Enhanced Physical Background, Journal of Engineering for Gas Turbines and Power, 133 (8) 081702-1-081702-8.
- Gallar L, Arias M, Pachidis V & Singh R (2011) Stochastic axial compressor variable geometry schedule optimisation, Aerospace Science and Technology, 15 (5) 366-374.
- Pachidis V, Templalexis I, Pilidis P & Kotsiopoulos P (2010) A dynamic convergence control scheme for the solution of the radial equilibrium equation in through-flow analyses, Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 224 (G7) 803-815.
- Templalexis I, Pachidis V, Pilidis P & Kotsiopoulos P (2010) The effect of upstream duct boundary layer growth and compressor blade lean angle variation on an axial compressor performance, Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 224 (8) 927-935.
- Templalexis I, Pilidis P, Pachidis V & Kotsiopoulos P (2010) Development of a two-dimensional streamline curvature code, Journal of Turbomachinery, 133 (1) 011003-1-011003-7.
- Li YG, Marinai L, Lo Gatto E, Pachidis V & Pilidis P (2009) Multiple-Point Adaptive Performance Simulation Tuned to Aeroengine Test-Bed Data, Journal of Propulsion and Power, 25 (3) 635-641.
- Pachidis V, Pilidis P, Templalexis I & Marinai L (2008) An iterative method for blade profile loss model adaptation using streamline curvature, Journal of Engineering for Gas Turbines and Power, 130 (1) 011702-1-011702-8.
- Templalexis I, Pilidis P, Pachidis V & Kotsiopoulos P (2007) Development of a 2D compressor streamline curvature code, Journal of Turbomachinery, 129 (4).
- Pachidis V, Pilidis P, Templalexis I, Barbosa J & Nantua N (2007) A de-coupled approach to component high-fidelity analysis using computational fluid dynamics, Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 221 (G1) 105-113.
- Pachidis V, Pilidis P, Marinai L & Templalexis I (2007) Towards a full two dimensional gas turbine performance simulator, The Aeronautical Journal, 111 (1121) 433-442.
- Pachidis V, Pilidis P, Texeira J & Templalexis I (2007) A comparison of component zooming simulation strategies using streamline curvature, Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 221 (G1) 1-15.
- Pachidis V, Pilidis P, Templalexis I, Korakianitis T & Kotsiopoulos P (2006) Prediction of engine performance under compressor inlet flow distortion using streamline curvature, Journal of Engineering for Gas Turbines and Power, 129 (1) 97-103.
- Pachidis V, Pilidis P, Talhouarn F & Templalexis I (2006) A fully integrated approach to component zooming using computational fluid dynamics, Journal of Engineering for Gas Turbines and Power, 128 (3) 579-584.
- Pachidis V, Pilidis P, Alexander T, Kalfas A & Templalexis I (2006) Advanced performance simulation of a turbofan engine intake, Journal of Propulsion and Power, 22 (1) 201-205.
Conference Papers
- Templalexis I, Pachidis V & Hasani H (2021) Comparative assessment of fouling scenarios in an axial flow compressor. In: ASME Turbo Expo 2020, London, 21-26 September 2020.
- Scullion C, Vouros S, Goulos I, Nalianda D & Pachidis V (2021) Optimal control of a compound rotorcraft for engine performance enhancement. In: ASME Turbo Expo 2020, London, 21-26 September 2020.
- Roig Tio F, Ferrer-Vidal LE, Azamar Aguirre H & Pachidis V (2021) Considerations on axial compressor bleed for sub-idle performance models. In: ASME Turbo Expo 2020, London, 21-26 September 2020.
- Roumeliotis I, Castro L, Jafari S, Pachidis V, De Riberolles L, Broca O & Unlu D (2021) Integrated systems simulation for assessing fuel thermal management capabilities for hybrid-electric rotorcraft. In: ASME Turbo Expo 2020, London, 21-26 September 2020.
- Roumeliotis I, Arena F, Liu Y, Vouros S, Pachidis V, Broca O, Toure D & Unlu D (2021) Performance and emission assessment of thermo-electric power plant for rotorcraft propulsion. In: ASME Turbo Expo 2020, London, 21-26 September 2020.
- Larrieta O, Alonso R, Perez Escobar O, Eryilmaz I & Pachidis V (2021) Design space exploration of turbine blade shroud interlock for flutter stability. In: ASME Turbo Expo 2020, London, 21-26 September 2020.
- Righi M, Ferrer-Vidal LE, Allegretti A & Pachidis P (2020) Low-order models for the calculation of compressor sub-idle characteristics. In: ISABE 2019: 24th Conference of the International Society of Air Breathing Engines, Canberra, Australia, 22-27 September 2019.
- Kissoon S, Zhang F, Mourouzidis C, Roumeliotis I & Pachidis V (2020) Assessment of the performance boundaries of very low specific thrust direct-drive turbofan engines at aircraft level for EIS 2025. In: GPPS Chania20, Online, 7-9 September 2020.
- Righi M, Pachidis V, Konozsy L, Zhao F & Vahdati M (2020) Three-dimensional low-order surge model for high-speed axial compressors. In: GPSS Global Power and Propulsion Chania 20 Technical Conference, Online, 7-9 September 2020.
- Vouros S, Goulos I, Scullion C, Nalianda D & Pachidis V (2019) Impact of wake modeling uncertainty on helicopter rotor aeroacoustic analysis. In: 45th European Rotorcraft Forum 2019 (ERF 2019), Warsaw, Poland, 17-20 September 2019.
- Stevens J, Rademaker E, Scullion C, Vouros S, Nalianda D, Pachidis V, van Oosten N, Miste G, Benini E & Venturelli G (2019) Design evaluation and performance assessment of rotorcraft technology by 2050. In: 45th European Rotorcraft Forum 2019 (ERF 2019), Warsaw, Poland, 17-20 September 2019.
- Roumeliotis I, Mourouzidis C, Zafferetti M, Pachidis V, Broca O & Unlu D (2019) Assessment of thermo-electric power plants for rotorcraft application. In: ASME Turbo Expo 2019, Phoenix, 17-21 June 2019.
- Azamar Aguirre H, Pachidis V & Templalexis I (2019) An analytical shock-loss model fully integrated to a streamline curvature method for axial-flow compressors. In: Turbo Expo 2019, Phoenix, 17-21 June 2019.
- Anselmi E, Bunce I & Pachidis V (2019) An overview of initial operating experience with the closed-loop sCO2 test facility at Cranfield University. In: Turbo Expo 2019, Phoenix, 17-21 June 2019.
- Roumeliotis I, Nikolaidis T, Pachidis V, Broca O & Unlu D (2018) Dynamic simulation of a rotorcraft hybrid engine in Simcenter Amesim. In: 44th European Rotorcraft Forum (ERF 2018), Delft, 18-21 September 2018.
- Zubizarreta J, Anselmi E, Zachos P & Pachidis V (2018) The impact of measurement uncertainty on heat exchanger performance measurements in a sCO2 test facility for power cycle applications. In: XXIV Biennial Symposium on Measuring Techniques in Turbomachinery, Prague, 29 August 2018 - 31 August 2019.
- Ferrer-Vidal LE, Pachidis V & Tunstall RJ (2018) An enhanced compressor sub-idle map generation method. In: GPPS Forum 18, Zurich, 10-12 January 2018.
- Anselmi E, Bunce I, Pachidis V, Zachos P & Johnston M (2018) An overview of the Rolls-Royce sCO2-test rig project at Cranfield University. In: 6th International sCO2 Power Cycles Symposium, 2018, Pittsburgh, PA, 27-29 March 2018.
- Azamar H, Pachidis V & Templalexis I (2017) An improved streamline curvature-based design approach for transonic axial-flow compressor blading. In: 23rd International Symposium on Air Breathing Engines (ISABE 2017): Economy, Efficiency and Environment, Manchester, UK, 4-8 September 2017.
- Azamar H, Pachidis V & Templalexis I (2017) Development of a streamline curvature axial-flow compressor performance simulator graphical-user-interface for design and research. In: 23rd International Symposium on Air Breathing Engines (ISABE 2017): Economy, Efficiency and Environment, Manchester, UK, 4-8 September 2017.
- Ortiz-Carretero J, Castillo Pardo A, Pachidis V & Goulos I (2017) Assessment of the effect of environmental conditions on rotorcraft pollutant emissions at mission level. In: ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition, Charlotte, NC, 26-30 June 2017.
- Enconniere J, Ortiz-Carretero J, Goulos I, Pachidis V, Smith C, Stevens J, d'Ippolito R & Thevenot L (2017) The impact of clean sky technology on future 3500 lb single engine light rotorcraft. In: 23rd International Symposium for Air-Breathing Engines - ISABE 2017, Manchester, UK, 4-8 September 2017.
- Ali F, Goulos I & Pachidis V (2016) Improvements in the rotorcraft fuel economy and environmental impact through multiple-landing mission strategy. In: American Helicopter Society 72nd Annual Forum, West Palm Beach, Florida, 17-19 May 2016.
- Templalexis I, Alexiou A, Pachidis V, Roumeliotis I & Aretakis N (2016) Direct coupling of a two-dimensional fan model in a turbofan engine performance simulation. In: ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition, Seoul, 13-17 June 2016.
- Ali F, Tzanidakis K, Goulos I, Pachidis V & d'Ippolito R (2015) An advanced rotorcraft powerplant optimization at mission level: towards high fidelity engine design optimization. In: American Helicopter Society, 71st Annual Forum and Technology Display, Virginia Beach, Virginia, 5-7 May 2015.
- Ali F, Tzanidakis K, Goulos I, Pachidis V & d'Ippolito R (2015) Multi-objective optimization of a regenerative rotorcraft powerplant: quantification of overall engine weight and fuel economy. In: American Helicopter Society, 71st Annual Forum and Technology Display, Virginia Beach, Virginia, 5-7 May 2015.
- Ali F, Tzanidakis K, Goulos I, Pachidis V & d'Ippolito R (2015) Multi-objective Optimization of a Regenerative Rotorcraft Powerplant: Quantification of Fuel Economy and Environmental Impact. In: ASME Turbo Expo 2015: Turbine Technical Conference and Exposition (GT2015), Montreal, Québec, 15-19 June 2015.
- Smith C, Pachidis V, Castillo Pardo A, Gires E, Stevens J, Thevenot L & d’Ippolito R (2015) Achieving rotorcraft noise and emissions reduction for 'Clean Sky' - The measurement of success. In: 5th CEAS Air & Space Conference–Challenges in European Aerospace, Delft, 7-11 September 2015.
- Ali F, Tzanidakis K, Goulos I, Pachidis V & D'Ippolito R Conceptual design and optimisation of an advanced rotorcraft powerplant architecture. In: 41st European Rotorcraft Forum, 2015, Munich, Germany, 1 September 2015.
- Ali F, Tzanidakis K, Goulos I, Pachidis V & d'Ippolito R (2015) Design space exploration and optimization of conceptual rotorcraft powerplants. In: ASME Turbo Expo 2015: Turbine Technical Conference and Exposition (GT2015), Montreal, Québec, 15-19 June 2015.
- Fakhre A, Goulos I, Tzanidakis K, Pachidis V & d'Ippolito R (2014) A Multidisciplinary Approach for the Comprehensive Assessment of Integrated Rotorcraft-Powerplant Systems at Mission Level. In: ASME Turbo Expo 2014: Turbine Technical Conference and Exposition (GT2014), Dusseldorf, 16-20 June 2014.
- Pardo A, Mehdi A, Pachidis V & MacManus D (2014) Numerical study of the effect of multiple tightly-wound vortices on a transonic fan stage performance. In: ASME Turbo Expo 2014: Turbine Technical Conference and Exposition (GT2014), Dusseldorf, 16-20 June 2014.
- Karamolegkos K, Goulos I, Pachidis V, Smith C & Stevens J (2014) Helicopter mission analysis using a multidisciplinary simulation framework. In: ASME Turbo Expo 2014: Turbine Technical Conference and Exposition (GT2014), Dusseldorf, 16-20 June 2014.
- Ali F, Syed M, Goulos I & Pachidis V (2014) A Preliminary Parametric Study for an Advanced Propulsion Technology Helicopter. In: 40th European Rotorcraft Forum 2014, Southampton, 2-5 September 2014.
- Fakhre A, Tzanidakis K, Goulos I, Pachidis V & R. d’Ippolito (2014) Optimized powerplant configurations for improved rotorcraft operational performance. In: American Helicopter Society 70th international annual forum 2014, Montreal, 20-22 May 2014.
- Doligalski A, Sanchez De Leon L, Zachos P & Pachidis V (2014) Assessing the potential of gas-recuperation in reheated gas turbines within combined gas-steam power plants. In: ASME Turbo Expo 2014: Turbine Technical Conference and Exposition (GT2014), Dusseldorf, 16-20 June 2014.
- Gonzalez A & Pachidis V (2014) On the numerical simulation of turbine blade tangling after a shaft failure. In: ASME Turbo Expo 2014: Turbine Technical Conference and Exposition (GT2014), Dusseldorf, 16-20 June 2014.
- Ali F, Tzanidakis K, Goulos I, Pachidis V & D'Ippolito R Multidisciplinary design and optimization of conceptual powerplant configurations targeting improved rotorcraft operational performance. In: 3rd Asian/Australian Rotorcraft Forum and the 8th Australian Pacific Vertiflite Conference on Helicopter Technology 2014, Melbourne, 18-19 December 2014.
- Zoppellari S. & Pachidis V. (2014) Unsteady compressor performance assessment using euler solvers. In: ASME Turbo Expo 2014: Turbine Technical Conference and Exposition (GT2014), Dusseldorf, 16-20 June 2014.
- Ali F, Goulos I, Tzanidakis K, Pachidis V & D'Ippolito R (2014) A multidisciplinary approach for the comprehensive assessment of integrated rotorcraft-powerplant systems at mission level. In: ASME Turbo Expo 2014: Turbine Technical Conference and Exposition (GT2014), Dusseldorf, 16-20 June 2014.
- Goulos I & Pachidis V (2014) Real-time simulation of rotor blade aeroelasticity for the multidisciplinary design of rotorcraft. In: ASME Turbo Expo 2014: Turbine Technical Conference and Exposition (GT2014), Dusseldorf, 16-20 June 2014.
- Fakhre A, Pachidis V, Goulos I, Tashfeen M & Pilidis P (2013) Helicopter mission analysis for a regenerated turboshaft. In: ASME Turbo Expo 2013: Turbine Technical Conference and Exposition, (GT2013), San Antonio, TX, 3-7 June 2013.
- Sghaier TB, Mehdi A, Pachidis V & Macmanus D (2013) A parametric numerical study of the effects of inlet swirl distortion on a transonic compressor stage. In: ASME Turbo Expo 2013: Turbine Technical Conference and Exposition, (GT2013), San Antonio, TX, 3-7 June 2013.
- Lecoq M, Grech N, Zachos PK & Pachidis V (2013) Probabilistic and numerical modelling of a lobed mixer at windmilling conditions. In: ASME Turbo Expo 2013: Turbine Technical Conference and Exposition, (GT2013), San Antonio, TX, 3-7 June 2013.
- De Leon LS, Zachos PK & Pachidis V (2013) A comparative assessment of dry gas turbine cycles for marine applications. In: ASME Turbo Expo 2013: Turbine Technical Conference and Exposition, (GT2013), San Antonio, TX, 3-7 June 2013.
- Illana E, Grech N, Zachos PK & Pachidis V (2013) Axial compressor aerodynamics under sub-idle conditions. In: ASME Turbo Expo 2013: Turbine Technical Conference and Exposition, (GT2013), San Antonio, TX, 3-7 June 2013.
- Fakhre A, Pachidis V, Goulos I, Pervier H & Tashfeen M (2013) Helicopter mission analysis for a regenerative turboshaft engine. In: AHS 69th Annual Forum, Phoenix, Arizona, 21 May 2013.
- Goulos I, Hempert F, Sethi V, Pachidis V, d'Ippolito R & d'Auria M (2013) Rotorcraft engine cycle optimization at mission level. In: ASME Turbo Expo 2013: Turbine Technical Conference and Exposition, (GT2013), San Antonio, TX, 3-7 June 2013.
- Goulos L, Hempert F, Sethi V, Pachidis V, d'Ippolito R & d'Auria M (2013) Rotorcraft engine cycle optimization at mission level. In: ASME Turbo Expo 2013: Turbine Technical Conference and Exposition, (GT2013), San Antonio, TX, 3-7 June 2013.
- Goulos I, Giannakakis P, Pachidis V & Pilidis P (2013) Mission Performance Simulation of Integrated Helicopter-Engine Systems using an Aeroelastic Rotor Model. In: ASME Turbo Expo 2013: Turbine Technical Conference and Exposition, (GT2013), San Antonio, TX, 3-7 June 2013.
- McLelland G, Di Cugno D, MacManus DG & Pachidis V (2012) Boundary conditions for vortex CFD simulations. In: ASME Turbo Expo 2012: Turbine Technical Conference and Exposition (GT2012), Copenhagen, 11-15 June 2012.
- Goulos I, Pachidis V, d'Ippolito R, Stevens J & Smith C (2012) An Integrated Approach for the Multidisciplinary Design of Optimum Rotorcraft Operations. In: ASME Turbo Expo 2012: Turbine Technical Conference and Exposition (GT2012), Copenhagen, 11-15 June 2012.
- Koupper C, Grech N, Zachos PK, Pachidis V & Singh R (2012) Considerations on the numerical modelling and performance of axial swirlers under relight conditions. In: ASME Turbo Expo 2012: Turbine Technical Conference and Exposition (GT2012), Copenhagen, 11-15 June 2012.
- Castaneda J, Mehdi A, Di Cugno D & Pachidis V (2011) A preliminary numerical CFD analysis of transonic compressor rotorswhen subjected to inlet swirl distortion. In: ASME Turbo Expo 2011: Turbine Technical Conference and Exposition (GT2011), Vancouver, BC, 6-10 June 2011.
- Zachos PK, Ruelke C, Pachidis V & Singh R (2011) Compressor blade modelling under highly negative incidence. In: ASME Turbo Expo 2011: Turbine Technical Conference and Exposition (GT2011), Vancouver, BC, 6-10 June 2011.
- d'Ippolito R, Stevens J, Pachidis V, Berta A, Goulos I & Rizzi C (2010) A Multidisciplinary Simulation Framework for Optimization of Rotorcraft Operations and Environmental Impact. In: 2nd International Conference on Engineering Optimization, 2010, Lisbon, 6 September 2010.
- Capozzi P, Psarra A, Pachidis V & Pilidis P (2010) A Finite Element Approach of Turbines in Contact Following a Shaft Failure Event. In: ASME Turbo Expo 2010: Power for Land, Sea, and Air (GT2010), Glasgow, Scotland, 14-18 June 2010.
- Ruelke C, Terzis A, Zachos PK, Pachidis V & Singh R (2010) Experimental evaluation and analytical modelling of the pressure loss through a compressor cascade operating at highly negative incidence. In: XX Biannual Symposium on Measuring Techniques in Turbomachinery, Transonic and Supersonic Flows in Cascades and Turbomachines, Milan, Italy, 29 September 2010.
- Goulos I, Mohseni M, Pachidis V, D'Ippolito R & Stevens J (2010) Simulation framework development for helicopter mission analysis. In: ASME Turbo Expo 2010: Power for Land, Sea, and Air (GT2010), Glasgow, Scotland, 14-18 June 2010.
- Kipouros T, Pachidis V, Ghisu T & Templalexis I (2010) Characterisation of the Uncertainties of the Operating Conditions in Turbomachinery Design. In: ASME Turbo Expo 2010: Power for Land, Sea, and Air (GT2010), Glasgow, Scotland, 14-18 June 2010.
- Aslanidou I, Zachos PK, Pachidis V & Singh R (2010) A physically enhanced method for sub-idle compressor map generation and representation. In: ASME Turbo Expo 2010: Power for Land, Sea, and Air (GT2010), Glasgow, Scotland, 14-18 June 2010.
- Rojo I, Psarra A, Pachidis V & Pilidis P (2010) Evaluation of the Energy Dissipated as Friction/Heat Between Turbines Following Shaft Failure. In: ASME Turbo Expo 2010: Power for Land, Sea, and Air (GT2010), Glasgow, Scotland, 14-18 June 2010.
- Gallar L, Tzagarakis I, Pachidis V & Singh R (2010) Compressor Performance 2D Modelling at Reverse Flow Conditions. In: ASME Turbo Expo 2010: Power for Land, Sea, and Air (GT2010), Glasgow, Scotland, 14-18 June 2010.
- Zachos PK, Pachidis V, Charnley B & Pilidis P (2009) Flowfield investigation of a compressor cascade at high incidence-part I: Pneumatic probe measurements.
- Kozaily J, Zachos PK, Pachidis V & Singh R (2009) Gas Turbine Fuel Atomisation Dynamics Under Sub-atmospheric Conditions. In: International Symposium for Air Breathing Engines (ISABE), 2009, Montreal, 7 September 2009.
- Gallar L, Pachidis V, Zachos PK & Singh R (2009) Compressor IGV Off Design Performance and Loss Modelling. In: International Symposium for Air Breathing Engines (ISABE), 2009, Montreal, 7 September 2009.
- Gallar L, Arias M, Pachidis V & Pilidis P (2009) Compressor Variable Geometry Schedule Optimisation Using Genetic Algorithms.
- Calcagni C, Gallar L & Pachidis V (2009) Development of a One-Dimensional Dynamic Gas Turbine Secondary Air System Model-Part II: Assembly and Validation of a Complete Network.
- Zachos PK, Pengue F, Pachidis V & Pilidis P (2009) Flowfield investigation of a compressor cascade at high incidence-part II: Numerical analysis.
- Gallar L, Calcagni C, Pachidis V & Pilidis P (2009) Development of a One-Dimensional Dynamic Gas Turbine Secondary Air System Model-Part I: Tool Components Development and Validation.
- Psarra A, Pachidis V & Pilidis P (2009) Finite element turbine blade tangling modelling following a shaft failure. In: ASME Turbo Expo 2009: Power for Land, Sea, and Air (GT2009), Orlando, FL, 8-12 June 2009.
- Nikolaidis T, Pilidis P, Teixeira JA & Pachidis V (2008) Water film formation on an axial flow compressor rotor blade. In: ASME Turbo Expo 2008: Power for Land, Sea, and Air (GT2008), Berlin, 9-13 June 2008.
- Rousselot S, Truffi D, Doulgeris G, Mistry S, Pachidis V & Pilidis P (2008) Generation of a quasi 3-D map of a half-embedded ultra high bypass ratio turbofan intake on the wing of a broad delta wing airframe. In: ASME Turbo Expo 2008: Power for Land, Sea, and Air (GT2008), Berlin, 9-13 June 2008.
- Templalexis L, Pachidis V, Pilidis P & Kotsiopoulos P (2008) The effect of blade lean on the solution of the full radial equilibrium equation. In: ASME Turbo Expo 2008: Power for Land, Sea, and Air (GT2008), Berlin, 9-13 June 2008.
- Marinai L, Li YG & Pachidis V (2007) Multiple Point Adaptive Performance Simulation Tuned to Aero-Engine Test Bed Data. In: 18th International Symposium of Air Breathing Engines (ISABE), 2007, Beijing, 3 September 2007.
- Pachidis V, Pilidis P & Li YG (2007) Training Future Gas Turbine Performance Engineers. In: ASME Turbo Expo 2007: Power for Land, Sea, and Air (GT2007), Montreal, Québec, 14-17 May 2007.
- Bala A, Sethi V, Lo Gatto E, Pachidis V & Pilidis P (2007) Study of VSV effects on performance via integrated aerodynamic component zooming process.
- Templalexis I., Pilidis P., Pachidis V. & Kotsiopoulos P. (2007) A fast gas turbine engine performance analysis tool able to capture three dimensional effects. In: ASME Turbo Expo 2007: Power for Land, Sea, and Air (GT2007), Montreal, Québec, 14-17 May 2007.
- Pachidis V., Pilidis P., Templalexis I. & Marinai L. (2007) An iterative method for blade profile loss model adaptation using streamline curvature. In: ASME Turbo Expo 2007: Power for Land, Sea, and Air (GT2007), Montreal, Québec, 14-17 May 2007.
- Pachidis V, Pilidis P, Templalexis I & Kotsiopoulos P (2007) 2D engine performance simulation using streamline curvature componentmodels. In: 7th European Conference on Turbomachinery: Fluid Dynamics and Thermodynamics, Athens, 5-9 March 2007.
- Templalexis I, Pachidis V, Pilidis P & Kotsiopoulos P (2006) Development of A 2-D compressor streamline curvature code. In: ASME Turbo Expo 2006: Power for Land, Sea, and Air (GT2006), Barcelona, 8-11 May 2006.
- Melloni L, Kotsiopoulos P, Jackson A, Pachidis V & Pilidis P (2006) Military engine response to compressor inlet stratified pressure distortion by an integrated CFD analysis. In: ASME Turbo Expo 2006: Power for Land, Sea, and Air (GT2006), Barcelona, 8-11 May 2006.
- Pachidis V, Pilidis P, Templalexis I, Alexander T & Kotsiopoulos P (2006) Prediction of engine performance under compressor inlet flow distortion using streamline curvature. In: ASME Turbo Expo 2006: Power for Land, Sea, and Air (GT2006), Barcelona, 8-11 May 2006.
- Templalexis I, Pilidis P, Pachidis V & Kotsiopoulos P (2006) Quasi-three-dimensional compressor performance simulation using streamline curvature and multi-parallel compressor theory. In: ASME Turbo Expo 2006: Power for Land, Sea, and Air (GT2006), Barcelona, 8-11 May 2006.
- Templalexis I, Pilidis P, Guindeuil G, Lekas T & Pachidis V (2005) 3D simulation of a convergent - Divergent aero engine intake, using two different CFD methods. In: ASME Turbo Expo 2005: Power for Land, Sea, and Air (GT2005), Reno, NV, 6-9 June 2005.
- Templatexis I, Pilidis P, Guindeuil G, Kotsiopoulos P & Pachidis V (2005) Aero engine axi-symmetric convergent-constant area intake 3D simulation using a panel method approach. In: ASME Turbo Expo 2005: Power for Land, Sea, and Air (GT2005), Reno, NV, 6-9 June 2005.
- Pachidis V, Pilidis P, Talhouarn F, Kalfas A & Templalexis I (2005) A fully integrated approach to component zooming using computational fluid dynamics. In: ASME Turbo Expo 2005: Power for Land, Sea, and Air (GT2005), Reno, NV, 6-9 June 2005.
- Zilli A, Pachidis V, Jackson A & Pilidis P (2005) CFD investigation of the performance of a military HP axial turbine subjected to inlet temperature distortion. In: ASME Turbo Expo 2005: Power for Land, Sea, and Air (GT2005), Reno, NV, 6-9 June 2005.
- Pachidis V, Pilidis P, Guindeuil G, Kalfas A & Templalexis I (2005) A partially integrated approach to component zooming using computational fluid dynamics. In: ASME Turbo Expo 2005: Power for Land, Sea, and Air (GT2005), Reno, NV, 6-9 June 2005.
- Charalambous N, Ghisu T, Iurisci G, Pachidis V & Pilidis P (2004) Axial compressor response to inlet flow distortions by a CFD analysis. In: ASME Turbo Expo 2004: Power for Land, Sea, and Air (GT2004), Vienna, 14-17 July 2004.
- Pachidis VA & Singh R (2002) Investigation of a fuel cell-powered blended wing body airliner with boundary layer re-energization. In: ASME Turbo Expo 2002: Power for Land, Sea and Air (GT2002), Amsterdam, 3-6 June 2002.
- Ali F, Tzanidakis K, Goulos I & Pachidis V Design Space Exploration and Optimisation of an Advanced Propulsion System for Rotorcraft Applications. In: 22nd International Symposium on Air Breathing Engines (ISABE) 2015, Phoenix, AZ, 25-30 October 2015.