Recent Publications

 

2013

- Efstathiadis, T., & Kalfas, A. I. (2013)
"Design of an Electricity Production Turbine for Organic Rankine Cycle (ΟRC)" ASME ORC, Rotterdam, The Netherlands, October 8-9.
- Rebholz, P. S., Kalfas, A. I., Abhari, R. S., & Zscherp, C. (2013)
"Experimental and Numerical Investigation of the Impact of a Tip Shroud Leading and Trailing Edge Platform Cutback on the Efficiency of a State of the Art Low Pressure Gas Turbine Stage" ISABE-2013-10202, International Symposium on Air Breathing Engines, Busan, S.Korea, September, 9-13.
- Regina, K., Abhari, R. S., Kalfas, A. I., Zscherp, C., & Kampe, T. A. D. (2013)
"Sensitivity of Purge Flow Effects to Different Hp Turbine Designs" (pp. 1–13), ISABE-2013-1152, International Symposium on Air Breathing Engines, Busan, S.Korea, September, 9-13.
- Siozos-Rousoulis, L., Kalfas, A. I., Kritikos, K., & Tantot, N. (2013). Acoustic Analysis of the Effect of Rotor-to-Rotor Axial Distance on the Interaction Noice of Contra-Rotating Open Rotor Fans. ISABE-2013-10202, International Symposium on Air Breathing Engines, Busan, S.Korea, September, 9-13.
- Damianos, T.-I., Kalfas, A. I., Ferrari, M., Magistri, L., & Massardo, A. F. (2013). Integrated Design of Centrifugal Compressor and Radial Turbine of a Hybrid μGT/SOFC Power Train Emulator. ISABE-2013-10202, International Symposium on Air Breathing Engines, Busan, S.Korea, September, 9-13.
- Efstathiadis, T., Rivarolo, M., Kalfas, A. I., Traverso, A., & Seferlis, P. (2013). A Preliminary Turbine Design For An Organic Rankine Cycle (Vol. 2013, pp. 1–9). ASME GT2013-9448, ASME Turbo Expo, San Antonio, TX, June 3-7.
- Moustakas, N., Athanassiou, A., Bamidis, P., Kalfas, A. I., Astaras, A., & Gogoussis, A. (2013). A Hybrid Brain- and Body-Computer Interface for a 6- Degree of Freedom Robotic Arm (Mercury). ELEVIT,
- Papadopoulou, E., Michail, C., Kalfas, A. I., Astaras, A., & Bamidis, P. (2013). Mathematical Modeling and Electronic Control of a Post-trauma Training Unit using counter-acting multistage Turbomachines. (Vol. 2013). Presented at the ELEVIT, Athens, Greece.

 

2012

- Barmpalias, K. G., Abhari, R. S., Kalfas, A. I., Hirano, T., Shibukawa, N. and Sasaki, T. (2012)
"Design Considerations for Axial Steam Turbine Rotor Inlet Cavity Volume and Length Scale”, Transactions of ASME, Journal of Turbomachinery, vol.134 part 5, pp. 051031–9. doi:10.1115/1.4004827.
- Barmpalias, K. G., Chokani, N., Kalfas, A. I., & Abhari, R. S. (2012)
"Data Adaptive Spectral Analysis of Unsteady Leakage Flow in an Axial Turbine", International Journal of Rotating Machinery”, 2012, pp.1–7. doi:10.1155/2012/121695
- Basol, A. M., Kai, R., Kalfas, A. I., & Abhari, R. S. (2012)
"Integrated Combustor Turbine Design for Improved Aerothermal Performance: Effect of Dilution Air Control", Transactions of ASME Journal of Engineering for Gas Turbines and Power, vol.134 part 9, 091501–8. doi:10.1115/1.4006671
- Chourpouliadis, C., Ioannou, E., Koras, A., & Kalfas, A. I. (2012). Comparative study of the power production and noise emissions impact from two wind farms. Energy Conversion & Management, (August 2012), vol.60 pp. 233–242. doi:10.1016/j.enconman.2012.01.024
- Fotiadis, D., Astaras, A., Bamidis, P., Papathanasiou, K., & Kalfas, A. I. (2012). An Innovative UWB Real-Time Position Tracking System Proposal, for a Cardiological IVUS Catheter. BIME Journal, vol. 12 part 1, 7–15.
- Jenny, P., Lenherr, C., Abhari, R. S., & Kalfas, A. (2012). Effect of Hot Streak Migration on Unsteady Blade Row Interaction in an Axial Turbine. Journal of Turbomachinery, vol.134 part 5, pp.051020–9. doi:10.1115/1.4004447
- Kyprianidis, K. G., Sethi, V., Ogagi, S. O. T., Pilidis, P., Singh, R., & Kalfas, A. I. (2012). Uncertainty in gas turbine thermo-fluid modelling and its impact on performance calculations and emissions predictions at aircraft system level. Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 226(2, Feb.2012), 163–181. doi:10.1177/0954410011406664
- Mansour, M., Chokani, N., Kalfas, A. I., & Abhari, R. S. (2012). Impact of Time-Resolved Entropy Measurement on a One-and-One-Half-Stage Axial Turbine Performance. Journal of Turbomachinery-Transactions of the ASME, 134(March 2012), 021008–021011. doi:10.1115/1.4003247
- Regina, K., Kalfas, A. I., & Abhari, R. S. (2012). Experimental Investigation of Purge Flow Effects on a High Pressure Turbine Stage. ASME Turbo Expo, June 11-15, Copenhagen, Denmark, pp. 1–10.
- Terzis, A., Kazakos, C., Kalfas, A. I., Zachos, P. K., & Ott, P. (2012). Swirl Jets in Crossflow at Low Velocity Ratios. Journal of Mechanics Engineering and Automation, 2(4), 256–266.
- Zachos, P. K., Kalfas, A. I., & Pilidis, P. (2012). An Integrated Tool for Turbomachinery Blading Design and Analysis. Journal of Energy and Power Engineering.
- Antivachis, K. N. and Kalfas, A. I. (2012)
"Integrated Pressure and Velocity Measurements Using a Single Pressure Sensoron the Cone of a Wind Turbine", XXI Symposium on Measuring Techniques in Turbomachinery. Transonic and Supersonic Flow in Cascades and Turbomachines, 22–23 March, Valencia, Spain, pp. 1–10.
- Barmpalias, K. G., Abhari, R. S., Kalfas, A. I., Shibukawa, N. and Sasaki, T. (2012)
"The Impact of Rotor Inlet Cavity Volume and Length Scale on Efficiency”, ASME Turbo Expo, June 11-15, Copenhagen, Denmark, pp. 1–10.
- Kritikos, K., Giordano, E., Kalfas, A. I., & Tantot, N. (2012). Prediction of Certification Noise Levels Generated by Contra-Rotating Open Rotor Engines. ASME Turbo Expo, June 11-15, Copenhagen, Denmark, pp. 1–10.
- Siozos-Roussoulis, L., Kalfas, A. I., Kritikos, K., Giordano, E., Tantot, N. (2012)
“Noise Modelling and Analysis of Aircraft Engines with Contra-Rotating Open Rotors”,
15th International Conference on Fluid Flow Technologies, Conference on Modelling Fluid Flow, CMFF 2012 Septemper 4-7, 2012, Budapest, Hungary.
- Siozos-Roussoulis, L., Kalfas, A. I., Kritikos, K., Giordano, E., & Tantot, N. (2012). Audio Simulation and Analysis of Noise Generated by Aircraft Engines Bearing Contra-Rotating Open Rotor Fans, International Conference on Flow-Induced Vibration & Flow-Induced Noise (FIV2012) 2-6 July 2012, Trinity College Dublin, Ireland.
- Samaras, C., Di Lorenzo, G., Kalfas, A. I., & Pilidis, P. (2012). An Emissions Model for NOx and CO Emission Trends From Industrial Gas Turbines. Journal of Energy and Power Engineering.
- Barmpalias, K. G., Kalfas, A. I., & Abhari, R. S. (2012)
"Integrated Design of Rotor Leading Edge and Cavity Flows in an Axial Shrouded Turbine"
AIAA Journal of Propulsion and Power.



2011

- Christodoulou F., Giannakakis P., Kalfas AI. (2011)
"Performance Benefits of a Portable Hybrid Micro-Gas Turbine Power System for Automotive Applications", ASME, J Eng Gas Turb Power vol. 133 (1) pp. 022301 (8pp)
- Terzis A, Kazakos C, Papadopoulos N, Kalfas AI., Zachos PK, Pilidis P. (2011)
"Effects of Swirl Velocities From Fan Assemblies Mounted on Lifting Surfaces", ASME, J Eng Gas Turb Power vol. 133 (2) pp. 031702 (9pp)
- Lenherr C, Kalfas AI, Abhari RS. (2011)
"High Temperature Fast Response Aerodynamic Probe", ASME, J Eng Gas Turb Power vol. 133 (1) pp. 011603 (10pp)
- Kyprianidis K, Sethi V, Ogagi SOT, Pilidis P, Singh R, Kalfas AI. (2011)
"Uncertainty in Gas Turbine Thermo-Fluid Modelling and its Impact on Performance Calculations and Emissions Predictions at Aircraft System Level", IMechE, J Aerospace Eng ( JAERO765R2) pp. 1-26
- Barmpalias KG, Chocani N, Kalfas AI, Abhari RS. (2011)
"Data Adaptive Spectral Analysis of Unsteady Leakage Flow in an Axial Turbine", JSME J Fluid Sci Tech pp. 1-12

- Koutsothanasis GM, Doulgeris G, Kalfas AI. (2011)
"Marine gas turbine performance model for more electric ships", ASME Turbo Expo vol. June 6-10, Vancouver, Canada (GT2011-46101) pp. 1-12
- Barmpalias KG, Kalfas AI, Abhari RS. (2011)
"Design considerations for axial steam turbine rotor inlet cavity volume and length scale", ASME Turbo Expo vol. June 6-10, Vancouver, Canada (GT2011-45127) pp. 1-11
- Basol AM, Regina K, Kalfas AI, Abhari RS. (2011)
"Integrated Combustor – Turbine Design for Improved Aerothermal Performance : Effect of Dilution Air Control", ASME Turbo Expo vol. June 6-10, Vancouver, Canada (GT2011-46354) pp. 1-9
- Barmpalias KG, Kalfas AI, Abhari RS, Hirano T, Shibukawa N, Sasaki T. (2011)
"On the importance of rotor inlet cavity design on a two-stage shrouded axial turbine", ISAIF10 vol. 10, 4-7 July, VUB, Brussels, Belgium
- Terzis A, Stylianou I, Kalfas AI. (2011)
"Effect of downstream guide vanes on the performance and the cooling capabilities of a small axial fan impinging onto a flat target surface", ISAIF10 vol. 10, 4-7 July, VUB, Brussels, Belgium
- Laveau B, Kalfas AI, Abhari RS. (2011)
"Experimental investigation of heat transfer on the endwall of a blade endwall junction", ISAIF10 vol. 10, 4-7 July, VUB, Brussels, Belgium
- Badarlis A, Kalfas AI, Kumar V, Pfau A. (2011)
"Novel sensor geometry for liquids serving in dispersion thermal flow meters", SENSOR+TEST Conference 2011 vol. June 7-9, Nurenberg, Germany (466 V, A3.3) pp. 1-6
- Terzis A, Kazakos C, Zachos PK, Kalfas AI, Ott P. (2011)
"Swirl jets in crossflow at low velocity ratios typically used for film cooling applications", European Turbomachinery Conference vol. March 21-25, Istanbul, Turkey, pp. 1-12
- Barmpalias KG, Kalfas AI, Abhari RS, Shibukawa N. (2011)
"Impact of rotor inlet cavity geometry on shrouded turbine efficiency", European Turbomachinery Conference vol. March 21-25, Istanbul, Turkey, pp. 1-13
- Regina K, Basol AM, Jenny P, Kalfas AI, Abhari RS. (2011)
"Hot Streak Shaping and Migration in an Axial Turbine", International Gas Tutbine Congress vol. 10 (November 13-18, Osaka, Japan)
- Samaras CE, Lorenzo Gd, Kalfas AI, Pilidis P. (2011)
"An emissions model for NOx and CO emission trends from industrial gas turbines", International Gas Tutbine Congress vol. 10 (November 13-18, Osaka, Japan)
- Barmpalias KG, Abhari RS, Kalfas AI, Hirano T, Shibukawa N, Sasaki T. (2011)
"Control of mixing at the interaction zone through variation of rotor inlet cavity volume and length scale in an axial steam turbine", International Gas Tutbine Congress vol. 10 (November 13-18, Osaka, Japan)


2010

- Terzis A., Kazakos C., Papadopoulos N., Kalfas A.I., Zachos P.K., Pilidis P. (2010)
"Effects of the Swirl Velocity of Jets in Crossflow from Fan Assemblies Mounted on Lifting Surfaces", ASME Turbo Expo 2010, Paper No GT2010-23357, Glasgow, Scotland, June 14-18.
(accepted for publication Journal of Engineering for Gas Turbines and Power)
- Lenherr C., Kalfas A.I., Abhari R.S. (2010)
"High Temperature Fast Response Aerodynamic Probe", ASME Turbo Expo 2010, Paper No GT2010-23010, Glasgow, Scotland, June 14-18.
(accepted for publication Journal of Engineering for Gas Turbines and Power)
- Christodoulou F., Giannakakis P., Kalfas A.I. (2010)
"Performance benefits of a portable hybrid micro-gas-turbine power system for automotive applications", ASME Turbo Expo 2010, Paper No GT2010-23248, Glasgow, Scotland, June 14-18.
(accepted for publication Journal of Engineering for Gas Turbines and Power)

- Komnidis A., Konstantinidis A., Stylianou I., Klados M.A., Kalfas A.I. and Bamidis P. (2010),
"A modular architecture of a computer-operated olfactometer for universal use",
Medicon 2010, Paper No 277, The XII Mediterranean Conference on Medical and Biological Engineering and Computing, Chalkidiki, Greece, May 27-30.
- Michailidou A., Chatzi P., Kalozoumis P., Pappa M., Kalfas A.I., Tsiafis I., Konstantinidis E. and Bamidis P. (2010),
"A Laboratory Scale Facility for the Parametric Characterization of the Intraocular Pressure of the Human Eye",
Medicon 2010, Paper No 343, The XII Mediterranean Conference on Medical and Biological Engineering and Computing, Chalkidiki, Greece, May 27-30.
- Kalozoumis P., Kalfas A.I. and Giannoukas A. (2010),
"The role of geometry of the human carotid bifurcation in the formation and development of atherosclerotic plaque",
Medicon 2010, Paper No 331, The XII Mediterranean Conference on Medical and Biological Engineering and Computing, Chalkidiki, Greece, May 27-30.
- Barmpalias K.G., Kalfas A.I., Abhari R.S., Hirano T., Shibukawa N. (2010)
"Effects of design variations of rotor entry cavity geometry on shrouded steam turbine performance", ASME Turbo Expo 2010, Paper No GT2010-22279, Glasgow, Scotland, June 14-18.
- Jenny P., Lenherr C., Kalfas A.I., Abhari R.S. (2010)
"Effect of Hot Streak Migration on Unsteady Blade Row Interaction in an Axial Turbine", ASME Turbo Expo 2010, Paper No GT2010-23034, Glasgow, Scotland, June 14-18.
- Basol, A.M., Jenny P., Ibrahim M., Kalfas A.I., Abhari R.S. (2010)
"Hot Streak Migration in a Turbine Stage: Integrated Design to Improve Aero-thermal Performance", ASME Turbo Expo 2010, Paper No GT2010-23556, Glasgow, Scotland, June 14-18.
- Terzis A, Zachos PK, Charnley BA, Kalfas AI. (2010) "Αpplication of Oil and Dye Flow Visualization in Incompressible Turbomachinery Flows", Sym Meas Tech vol. 20, Sept.23-24, Milano, Italy - Ioannou E., Chourpouliadis C., Katsirou V., Koras A. and Kalfas A.I. (2010),
"Statistical Wind Data Analysis and Energy Prediction of Onshore Wind Farms in Greece",
23rd International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems, Lausanne, Switzerland, June 14-17

 

2009

- Porreca L., Kalfas A.I., Abhari R.S., Yun Y.I., Song S.J. (2009), 'Interstage Flow Interaction and Loss Generation in a Two-stage Shrouded Axial Turbine', {Journal of Turbomachinery}, 131 (1), 011002 (12 pp.).
- Porreca L., Kalfas A.I., Abhari R.S., Yun Y.I., Song S.J. (2009), 'Interstage Flow Interaction and Loss Generation in a Two-stage Shrouded Axial Turbine', {Journal of Turbomachinery}, 131 (1), 011002 (12 pp.).

- Porreca L, Kalfas AI, Abhari RS. (2009), 'Aerothermal Analysis of a Partially Shrouded Axial Turbine' AIAA J Propul Power vol. 25 (no.1, January–February 2009) pp. 181-190.

- Kyprianidis K.G., Sethi V., Ogaji S.O.T., Pilidis P., Singh R., Kalfas A.I. (2009), 'Thermo-Fluid Modelling for Gas Turbines - Part II: Impact on Performance Calculations and Emissions Predictions at Aircraft System Level', {ASME Turbo Expo 2009}, GT2009-60101 1 (12 pp.).
- Kyprianidis K.G., Sethi V., Ogaji S.O.T., Pilidis P., Singh R., Kalfas A.I. (2009), 'Thermo-Fluid Modelling for Gas Turbines -Part I: Theoretical Foundation and Uncertainty Analysis', {ASME Turbo Expo 2009}, GT2009-60092 1 (12 pp.).

- Goulos I., Zachos P.K., Kalfas A.I., Pilidis P. (2009), 'Turbine Performance Effects from Geometry Variations between Manufactured Components and Design Intent', {International Symposium on Air Breathing Engines}, XIX ISABE ISABE-2009-1083.
- Kallianteris C., Bakogiannis I., Kalfas A.I. (2009), 'Performance modelling of a hybrid wind-turbine / fuel-cell power generation system', {International Symposium on Air Breathing Engines}, XIX ISABE ISABE2009-1232.
- Terzis A., Kyprianidis K., Pilidis P., Kalfas A.I. (2009), "Comparative Performance Evaluation of a Multistage Axial Fan Assembly", {XIX International Symposium on Air Breathing Engines}, ISABE-2009-1187.

- Terzis A., Kalfas A.I., Zachos P., Ramsden K. (2009), 'Experimental Performance Evaluation of Axial Ventilators', The 9th International Conference on Industrial Ventilation.
- Zachos P.K., Kalfas A.I., Pilidis, P. (2009), 'Analysis of Turbine Performance Effects Raised by Geometry Variations between Manufactured Components and Design Intent', {ACGT2009}, Asian Congress on Gas Turbines , ACGT2009-TS30
- Bakogiannis I., Kallianteris, C., Kalfas A.I. (2009), 'Biologically Inspired Design System for Turbomachinery Applications', Asian Congress on Gas Turbines, ACGT2009-TS15


2008

- Behr T., Kalfas A.I., Abhari R.S. (2008), 'Control of Rotor Tip Leakage Through Cooling Injection from the Casing in a High-Work Turbine', {Journal of Turbomachinery}, 130 (3), 031014 (12 pages).
- Behr T., Kalfas A.I., Abhari R.S. (2008), 'Desensitization of the Flowfield from Rotor Tip-Gap Height by Casing-Air Injection', {Journal of Propulsion and Power}, Vol. 24, No. 5 1108-16.
- Kyprianidis K.G., Kalfas A.I. (2008), 'Dynamic performance investigations of a turbojet engine using a cross-application visual oriented platform', {The Aeronautical Journal}, 112 (1129), 161 (9 pp.).
- Mansour M., Chokani N., Kalfas A.I., Abhari R.S. (2008), 'Unsteady Entropy Measurements in a High-Speed Radial Compressor', {Journal of Engineering for Gas Turbines and Power}, 130 (2), 021603 (9 pp.).
- Mansour M., Chokani N., Kalfas A.I., Abhari R.S. (2008), 'Time-Resolved Entropy Measurements using a Fast Response Entropy Probe', {Measurement Science and Technology}, 19 (11), 115401 (14pp).
- Porreca L., Kalfas A.I., Abhari R.S. (2008), 'Optimized Shroud Design for Axial Turbine Aerodynamic Performance', {Journal of Turbomachinery}, 130 (3), 031016 (12 pp.).
- Yun Y.I., Porreca L., Kalfas A.I., Song S.J., Abhari R.S. (2008), 'Investigation of Three-Dimensional Unsteady Flows in a Two-Stage Shrouded Axial Turbine Using Stereoscopic PIV - Kinematics of Shroud Cavity Flow', {Journal of Turbomachinery}, 130 (1), 011021 (9 pp.).
- Zachos P.K., Pappa M., Kalfas A.I., Mansour G., Tsiafis I., Pilidis, P., Ohyama, H., Watanabe, E (2008), 'Turbine blading performance evaluation using geometry scanning and flowfield prediction tools', {Journal of Power and Energy Systems}, Vol. 2, No. 6 pp.1345-1358.

- Barmpalias K., Kalfas A.I., Chokani N., Abhari R.S. (2008), 'The Dynamics of the Vorticity Field in a Low Solidity Axial Turbine', {ASME Turbo Expo 2008}, GT2008-51142.
- Kyprianidis K.G., Colmenares-Quintero R.F., Ogaji S.O.T., Pilidis P., Kalfas A.I., Pascovici D.S. (2008), 'EVA: A Tool for Environmental Assessment of Novel Propulsion Cycles', {ASME Turbo Expo 2008}, GT2008-50602
- Mansour M., Chokani N., Kalfas A.I., Abhari R.S. (2008), 'Impact of Unsteady Entropy Measurement on a one-and-1/2-Stage Axial Turbine Performance', {ASME Turbo Expo 2008}, GT2008-50807 1 (12pp.).

- Zachos P.K., Pappa M., Kalfas A.I., Mansour G.,Tsiafis I., Pilidis, P., Ohyama, H., Watanabe, E (2008), 'Turbine blading performance evaluation using geometry scanning and flowfield prediction tools', {AJCPP2008}, Proceedings of the 4th Asian Joint Conference on Propulsion and Power A3-5.
- Zachos P.K., Pappa M., Kalfas A.I., Mansour G.,Tsiafis I. (2008), 'An integrated tool for turbomachinery blading design and analysis', {XIX Symposium on Measuring Techniques in Turbomachinery. Transonic and Supersonic Flow in Cascades and Turbomachines}, 61 (10 pp.).

 

2007

- Behr T., Kalfas A.I., Abhari R.S. (2007), 'Stator Clocking Effects on the Unsteady Interaction of Secondary Flows in a 1.5 Stage Unshrouded Turbine', {Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy}, 221 (6), 779 (14 pp.).
- Behr T., Kalfas A.I., Abhari R.S. (2007), 'Unsteady Flow Physics and Performance of a One-and-1/2-Stage Unshrouded High Work Turbine', {Journal of Turbomachinery}, 129 (2), 348 (12 pp.).
- Lenherr C., Kalfas A.I., Abhari R.S. (2007), 'A Flow Adaptive Aerodynamic Probe Concept for Turbomachinery', {Measurement Science and Technology}, 18 (8), 2599 (10 pp.).
- Porreca L., Hollenstein M., Kalfas A.I., Abhari R.S. (2007), 'Turbulence Measurements and Analysis in a Multistage Axial Turbine', {Journal of Propulsion and Power}, 23 (1), 227 (8 pp.).
- Pfau A., Kalfas A.I., Abhari R.S. (2007), 'Making Use of Labyrinth Interaction Flow', {Journal of Turbomachinery}, 129 (1), 164 (11 pp.).- Behr T., Kalfas A.I., Abhari R.S. (2007), 'Control of Rotor Tip Leakage Through Cooling Injection from the Casing in a High-Work Turbine: Experimental Investigation', {ASME Turbo Expo 2007}, No. GT2007-27269.
- Behr T., Kalfas A.I., Abhari R.S. (2007), 'Stator Clocking Effects on the Unsteady Interaction of Secondary Flows in a 1.5 Stage Unshrouded Turbine', {European Turbomachinery Conference (7th ETC)}, No. 217.
- Mansour M., Chokani N., Kalfas A.I., Abhari R.S. (2007), 'Unsteady Entropy Measurements in a High-Speed Radial Compressor', {ASME Turbo Expo 2007}, No. GT2007-27450.
- Porreca L., Kalfas A.I., Abhari R.S. (2007), 'Optimized Shroud Design for Axial Turbine Aerodynamic Performance', {ASME Turbo Expo 2007}, No. GT2007-27915.
- Tashima T., Sasaki T., Kalfas A.I., Abhari R.S. (2007), 'Blade Loading Influence on Unsteady Flow Interactions in Axial Steam Turbines', {ASME Turbo Expo 2007}, No. GT2007-27452.

- Behr T., Kalfas A.I., Abhari R.S. (2007), 'Desensitization of Turbine Flow Field and Performance from Rotor Tip Gap using Casing Injection', {International Symposium on Air Breathing Engines}, XVIII ISABE ISABE2007-1221.
- Psarra A., Kalfas A.I. (2007), 'Transient Performance and Loading Limitations of a Hybrid Wind Turbine/Fuel Cell Power Generation System', {European Fuel Cell Technology and Applications Conference (2nd EFC)}, Proceedings of the 2nd European Fuel Cell Technology and Applications Conference pp.261, EFC2007-39208.
- Samaras C., Kalfas A.I. (2007), 'Mathematical Model of a Hybrid Solid Oxide Fuel-Cell/Micro-Gas Turbine Power Generation System', {European Fuel Cell Technology and Applications Conference (2nd EFC)}, Proceedings of the 2nd European Fuel Cell Technology and Applications Conference pp.213, EFC2007-39167.


2006

- Behr T., Porreca L., Mokulys T., Kalfas A.I., Abhari R.S. (2006), 'Multistage Aspects and Unsteady Effects of Stator and Rotor Clocking in an Axial Turbine With Low Aspect Ratio Blading', {Journal of Turbomachinery}, 128 (1), 11 (12 pp.).
- Pachidis V., Pilidis P., Alexander T., Kalfas A.I., Templalexis I. (2006), 'Advanced Performance Simulation of a Turbofan Engine Intake', {Journal of Propulsion and Power}, 22 (1), 201 (2 pp.).
- Pachidis V., Pilidis P., Talhouarn F., Kalfas A.I., 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 (6 pp.).

- Behr T., Kalfas A.I., Abhari R.S. (2006), 'Unsteady Flow Physics and Performance of a One-and-1/2-Stage Unshrouded High Work Turbine', {ASME Turbo Expo 2006, Paper no. GT2006-90959}, Volume 6: Turbomachinery, Parts A and B pp. 861-873 (13 pages).
- Porreca L., Yun Y.I., Kalfas A.I., Song S.J., Abhari R.S. (2006), 'Investigation Of 3D Unsteady Flows in a Two Stage Shrouded Axial Turbine Using Stereoscopic PIV and FRAP. Part I: Interstage Flow Interactions', {ASME Turbo Expo 2006: Paper no. GT2006-90752}, GT2006-90752.
- Yun Y.I., Porreca L., Kalfas A.I., Song S.J., Abhari R.S. (2006), 'Investigation of 3D Unsteady Flows in a Two-Stage Axial Turbine Using Stereoscopic PIV and FRAP - Part II: Kinematics of Shroud Cavity Flow', {ASME Turbo Expo 2006, Paper no. GT2006-91020}, Volume 6: Turbomachinery, Parts A and B pp. 905-914 (10 pages).
- Psarra A., Kallivretaki M., Karageorgakis N.I., Kalfas A.I. (2006), 'Performance modelling of a hybrid wind-turbine / fuel-cell power generation system', {Conference on Modelling Fluid Flow (CMFF’06)}, Proceedings of the 13th International Conference on Fluid Flow Technology pp. 1026-1033.

- Barmpalias K., Chokani N., Kalfas A.I., Abhari R.S. (2006), 'Estimation of Spectra by a Data Adaptive Spectral Method', {XVIII Symposium on Measuring Techniques in Turbomachinery. Transonic and Supersonic Flow in Cascades and Turbomachines}, 61 (10 pp.).
- Behr T., Kalfas A.I., Abhari R.S. (2006), 'A Probabilistic Uncertainty Evaluation Method for Turbomachinery Probe Measurements', {XVIII Symposium on Measuring Techniques in Turbomachinery. Transonic and Supersonic Flow in Cascades and Turbomachines}, 98 (21 pp.).
- Lenherr C., Kalfas A.I., Abhari R.S. (2006), 'Application of Fast Response Aerodynamic Probes in Low Dynamic Head Automotive Truck Air Conditioning Systems', {XVIII Symposium on Measuring Techniques in Turbomachinery. Transonic and Supersonic Flow in Cascades and Turbomachines}, 18 188 (12 pp.).
- Porreca L., Kalfas A.I., Abhari R.S., Yun Y.I., Song S.J. (2006), 'Stereoscopic PIV Measurements in a Two-Stage Axial Turbine', {XVIII Symposium on Measuring Techniques in Turbomachinery. Transonic and Supersonic Flow in Cascades and Turbomachines}, 150 (16 pp.).

 

2005

- Pfau A., Schlienger J., Rusch D., Kalfas A.I., Abhari R.S. (2005), 'Unsteady Flow Interactions Within the Inlet Cavity of a Turbine Rotor Tip Labyrinth Seal', {Journal of Turbomachinery}, Vol. 127, No. 4 679 (10 pp.).
- Porreca L., Behr T., Schlienger J., Kalfas A.I., Abhari R.S., Ehrhard J., Janke E. (2005), 'Fluid Dynamics and Performance of Partially and Fully Shrouded Axial Turbines', {Journal of Turbomachinery}, 127 (4), 668 (11 pp.).
- Schlienger J., Kalfas A.I., Abhari R.S. (2005), 'Vortex-Wake-Blade Interaction in a Shrouded Axial Turbine', {Journal of Turbomachinery}, 127 (4), 699 (9 pp.).

- Karageorgakis N., Kalfas A.I., Abhari R.S. (2005), 'Performance of a Hybrid Wind-Turbine Fuel-Cell Power Generating System Investigated Through a Small-Scale Experiment', {European Fuel Cell Technology and Applications Conference (1st EFC)}, Proceedings of the 1st European Fuel Cell Technology and Applications Conference EFC2005-86258.
- Porreca L., Hollenstein M., Kalfas A.I., Abhari R.S. (2005), 'Turbulence Measurements and Analysis in a Multistage Axial Turbine', {International Symposium on Air Breathing Engines}, XVII ISABE ISABE 2005-1032.


2004

- Rusch D., Pfau A., Schlienger J., Kalfas A.I., Abhari R.S. (2004), 'Deterministic unsteady vorticity field in a driven axisymmetric cavity flow', {Journal of Computational and Applied Mechanics}, 5 (1), pp. 1—13.

- Behr T., Porreca L., Mokulys T., Kalfas A. I., Abhari R. S. (2004), 'Multistage Aspects and Unsteady Effects of Stator and Rotor Clocking in an Axial Turbine with Low Aspect Ratio Blading', {ASME Turbo Expo 2004}, No. GT2004-53612.
- Porreca L., Behr T., Schlienger J., Kalfas A. I., Abhari R. S., Ehrhard J., Janke E. (2004), 'Aerodynamics and Performances of fully and partially shrouded turbines', {ASME Turbo Expo 2004}, No. GT2004-53869.
- Porreca L., Behr T., Schlienger J., Kalfas A.I., Abhari R.S., Ehrhard J., Janke E. (2004), 'Fluid Dynamics and Performance of Partially and Fully Shrouded Axial Turbines', {ASME Turbo Expo 2004: Power for Land, Sea, and Air (GT2004)}, Volume 5: Turbo Expo 2004, Parts A and B Paper no. GT2004-53869 pp. 925-937 (13 pages).
- Schlienger J., Pfau A., Kalfas A.I., Abhari R.S. (2004), 'Effects of Labyrinth Seal Variation on Multistage Axial Turbine Flow', {ASME Turbo Expo 2004},

- Lenherr C., Oschwald M., Kalfas A.I., Abhari R.S. (2004), 'Flow Adaptive Aerodynamic Probe for Turbomachinery Flows', {XVII Symposium on Measuring Techniques in Transonic and Supersonic Flow in Cascades and Turbomachines},

 

2003

- Chaluvadi V.S.P., Kalfas A.I., Hodson H.P., Ohyama H., Watanabe E. (2003), 'Blade row interaction in a high pressure steam turbine', {Journal of Turbomachinery}, 125 (1), 14 (11pp.).
- Rusch D., Pfau A., Schlienger J., Kalfas A.I., Abhari R.S. (2003), 'Deterministic unsteady vorticity field in a driven axisymmetric cavity flow', {VDI Berichte Modelling Fluid Flow-The State of the Art}, 5 (1), pp. 285-298.

- Burdet A., Mischo B., Lakehal D., Kalfas A.I., Abhari R.S. (2003), 'Predicting vorticity transport and loss generation downstream of a turbine annular cascade', {European Turbomachinery Conference (5th ETC)}, Vol. 1 pp. 995-1006.
- Chaluvadi V.S.P., Kalfas A.I., Hodson H. (2003), 'Vortex Transport and Blade Interactions in High Pressure Turbines', {ASME Turbo Expo 2003}, No. GT2003-38389.
- Chaluvadi V.S.P., Kalfas A.I., Hodson H.P. (2003), 'Generating a vortex to study vortex interaction in an axial flow turbine', {European Turbomachinery Conference (5th ETC)}, Vol.1, TA05/131 pp. 1029-1038.
- Mund F.C, Kalfas A.I., Abhari R.S., Turcan Y., Hourmouziadis J., Trébinjac I., Vouillarmet A. (2003), 'A multi-component and multi-disciplinary student design project within an international academic and industrial collaboration', {ASME Turbo Expo 2003}, No. GT2003-38163.
- Pfau A., Schlienger J., Kalfas A.I., Abhari R.S. (2003), 'Unsteady, 3-dimensional flow measurement using a miniature virtual 4 sensor Fast Response Aerodynamic Probe (FRAP)', {ASME Turbo Expo 2003}, No. GT2003-38128.
- Pfau A., Schlienger J., Rusch D., Kalfas A.I., Abhari R.S. (2003), 'Unsteady Flow Interactions within the Inlet Cavity of a Turbine Rotor Tip Labyrinth Seal', {ASME Turbo Expo 2003}, No. GT2003-38271.
- Rusch D., Pfau A., Schlienger J., Kalfas A.I., Abhari R.S. (2003), 'Deterministic unsteady vorticity field in a driven axisymmetric cavity flo', {Conference on Modelling Fluid Flow (CMFF’03)}, Proceedings of the 12th International Conference on Fluid Flow Technology
- Schlienger J., Pfau A., Kalfas A.I., Abhari R.S. (2003), 'Effects of Labyrinth Seal Variation on Multistage Axial Turbine Flow', {ASME Turbo Expo 2003}, No. GT2003-38270.
- Schlienger J., Pfau A., Kalfas A.I., Abhari R.S. (2003), 'Measuring Unsteady 3D Flow with a single pressure transducer', {European Turbomachinery Conference (5th ETC)}, No. TM02/63 pp. 849-858.

 

2002

- Chaluvadi V.S.P., Kalfas A.I., Hodson H.P., Ohyama H. and Watanabe E. (2002), 'Blade Row Interaction in a High Pressure Steam Turbine', {ASME Turbo Expo 2002: Power for Land, Sea, and Air (GT2002)}, Volume 5: Turbo Expo 2002, Parts A and B, No. GT-2002-30574 pp. 957-968 (12 pages).
- Mund F.C., Kalfas A.I., Abhari R.S. (2002), 'Integration of Software Tools into a Multi-disciplinary Undergraduate Student Design Project', {ASEE2002}, Proceedings of the 2002 Conference of the American Society of Engineering Education pp. 1-11 No 1321.

- Schlienger J., Pfau A., Kalfas A.I., Abhari R.S. (2002), 'Single Pressure Transducer Probe for 3D Flow Measurements', {XVI Symposium on Measuring Techniques in Transonic and Supersonic Flow in Cascades and Turbomachines},
- Pfau A., Schlienger J., Kalfas A.I., Abhari R.S. (2002), 'Virtual Four Sensor Fast Response Aerodynamic Probe (FRAP)', {XVI Symposium on Measuring Techniques in Transonic and Supersonic Flow in Cascades and Turbomachines},
- Janke E., Keskin A., Sell M., Monette S.P., Pfau A., Schlienger J., Kalfas A.I., Abhari R.S. (2002), 'Wechselwirkung zwischen der Deckband-Spaltstršmung und der Hauptstršmung im Turbinen-Stufenverband', {AG TURBO Statusseminar (8th)},

 

2001

- Chaluvadi V.S.P., Kalfas A.I., Baniegbal M.R., Hodson H.P., Denton J.D. (2001), 'Blade row interaction in a high pressure turbine', {Journal of Propulsion and Power}, 17 (4), 892 (10 pp.).

 

2000

- Tanaka K., Kalfas A.I., Hodson H.P. (2000), 'Development of Single Sensor Fast Response Pressure Probes', {XV Symposium on Measuring Techniques. Transonic and Supersoinc Flows in Cascades and Turbomachines},

 

1999

- Chaluvadi V.S.P., Kalfas A.I., Baniegbal M.R., Hodson H.P., Denton J.D. (1999), 'Blade row interaction in a high pressure turbine', {International Symposium on Air Breathing Engines}, XIV ISABE ISABE-99-7265.

 

1995

- Kalfas A.I., Elder R.L. (1995), 'Determination of the intermittency distribution in the boundary layer of a flat plate with C4 leading edge', {ERCOFTAC Bulletin}, Berichte No 1186 pp.65-67.
10. Kalfas A.I., Elder R.L. (1995), 'Effects of free stream turbulence and leading edge shape on boundary layer transition', {VDI Berichte, European Turbomachinery Conference (1st)}, Turbomachinery - Fluid Dynamic and Thermodynarnic Aspects. Experimental Fluid Dynamics. Special Problems of Turbomachinery pp. 47-61.

- Kalfas A.I., Elder R.L. (1995), 'Effects of free stream turbulence on intermittent boundary layer flows', {ASME Turbo Expo 1995},


1994

- Kalfas A.I. (1994), 'Transition to turbulence in the boundary layer of turbomachinery blading', PhD Thesis at the Department of Turbomachinery, Cranfield University under the supervision of Prof. R.L. Elder, Cranfield University, UK.

 

1993

- Kalfas A.I., Elder R.L. (1993), 'Experimental investigation of boundary layer transition on a flat plate with C4 leading edge', {International Symposium on Air Breathing Engines}, XI ISABE ISABE-93-7123.

 

1989

- Kalfas A.I. (1989) 'Investigation of the flow field around blading using viscous-inviscid interaction calculations of the main stream and boundary layers', Dipl.-Ing. Thesis at the Department of Mechanical Engineering of Aristotle University of Thessaloniki under the supervision of Prof. A. Goulas, Thessaloniki, Greece.