2023
Journal Articles
Parametric Reduced Order Model of a Gas Bearings Supported Rotor
Journal of Engineering for Gas Turbines and Power. 2023-10-17. Vol. 146, num. 1, p. GTP-23-1327. DOI : 10.1115/1.4063424.Robust Design of Herringbone Grooved Journal Bearings using Multi-Objective Optimization with Artificial Neural Networks
Journal of Turbomachinery. 2023-10-04. Vol. 145, num. 11, p. 111010. DOI : 10.1115/1.4063392.Towards a real-time capable hybrid-twin for gas-bearing supported high-speed turbocompressors
Energy. 2023-07-15. Vol. 275, p. 127385. DOI : 10.1016/j.energy.2023.127385.Design, computational and experimental investigation of a small-scale turbopump for organic Rankine cycle systems
Energy Conversion and Management. 2023-07-01. Vol. 287, p. 117073. DOI : 10.1016/j.enconman.2023.117073.A new method to interpolate POD reduced bases-Application to the parametric model order reduction of a gas bearings supported rotor
International Journal For Numerical Methods In Engineering. 2023-06-09. DOI : 10.1002/nme.7305.The influence of splitter blades and meridional profiles on the performance of small-scale turbopumps for ORC applications; analysis, neural network modeling and optimization
Thermal Science and Engineering Progress. 2023-03-01. Vol. 39, p. 101734. DOI : 10.1016/j.tsep.2023.101734.Design and experimental investigation of a herringbone grooved gas bearing supported turbocharger
Mechanical Systems and Signal Processing. 2023-03-01. Vol. 186, p. 109828. DOI : 10.1016/j.ymssp.2022.109828.Haptics based multi-level collaborative steering control for automated driving
Communications Engineering. 2023-01-23. Vol. 2, num. 1. DOI : 10.1038/s44172-022-00051-2.Thermal management for gas lubricated, high-speed turbomachinery
Applied Thermal Engineering. 2023-01-05. Vol. 218, p. 119229. DOI : 10.1016/j.applthermaleng.2022.119229.Plug-and-play adaptive surrogate modeling of parametric nonlinear dynamics in frequency domain
International Journal for Numerical Methods in Engineering. 2023. p. e7487. DOI : 10.1002/nme.7487.Conference Papers
An Integrated Approach to Designing Robust Turbocompressors on Gas Bearings Through Surrogate Modeling and Constrained Multi-Objective Optimization
2023-11-21. ASME 2023 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference , Boston, Massachusetts, USA, August 20-23, 2023. DOI : 10.1115/DETC2023-115201.Parametric Reduced Order Model of a Gas Bearings Supported Rotor
2023-10-17. ASME TurboExpo 2023. Turbomachinery Technical Conference & Exposition, Boston, , MA, US, June 26-30, 2023.Robust Design of Herringbone Grooved Journal Bearings using Multi-Objective Optimization with Artificial Neural Networks
2023-09-28. Turbo Expo 2023: Turbomachinery Technical Conference and Exposition, Boston, Massachusetts, USA, June 26-30, 2023. DOI : 10.1115/GT2023-102428.Reviews
Readiness evaluation of SOFC-MGT hybrid systems with carbon capture for distributed combined heat and power
Energy Conversion and Management. 2023-01-31. Vol. 278, p. 116728. DOI : 10.1016/j.enconman.2023.116728.Theses
Haptics based collaborative steering control in automated driving environments
Lausanne, EPFL, 2023.Small-scale turbopumps for waste heat recovery applications based on an organic Rankine cycle: a study from pre-design to experimental validation
Lausanne, EPFL, 2023.High-speed turbocompressors for natural fluid heat-pumps: from integrated design to digital-twin
Lausanne, EPFL, 2023.2022
Journal Articles
Analysis and modeling of the tip leakage flow on the performance of small-scale turbopumps for ORC applications
Applied Thermal Engineering. 2022-11-25. Vol. 217, p. 119160. DOI : 10.1016/j.applthermaleng.2022.119160.Heat transfer of flow boiling carbon dioxide in vertical upward direction
International Journal of Heat and Mass Transfer. 2022-11-01. Vol. 196, p. 123246. DOI : 10.1016/j.ijheatmasstransfer.2022.123246.Experimental and numerical investigation of the unbalance behavior of rigid rotors supported by spiral-grooved gas journal bearings
Mechanical Systems And Signal Processing. 2022-07-15. Vol. 174, p. 109080. DOI : 10.1016/j.ymssp.2022.109080.Adiabatic two-phase pressure drop of carbon dioxide in different channel orientations
International Journal of Heat and Fluid Flow. 2022-06-01. Vol. 95, p. 108966. DOI : 10.1016/j.ijheatfluidflow.2022.108966.Experimental Investigation of Enhanced Grooves for Herringbone Grooved Journal Bearings
Journal of Tribology. 2022-03-18. Vol. 144, num. 9. DOI : 10.1115/1.4053978.Flow pattern observations and flow pattern map for adiabatic two-phase flow of carbon dioxide in vertical upward and downward direction
Experimental Thermal and Fluid Science. 2022-02-01. Vol. 131, p. 110526. DOI : 10.1016/j.expthermflusci.2021.110526.Robust design using multiobjective optimisation and artificial neural networks with application to a heat pump radial compressor
Design Science. 2022-01-06. Vol. 8, p. e1. DOI : 10.1017/dsj.2021.25.Which professional skills do students learn in engineering team-based projects?
European Journal of Engineering Education. 2022. p. 1-19. DOI : 10.1080/03043797.2021.1920890.Unstable tilting motion of flexibly supported gas bearing bushings
Mechanical Systems and Signal Processing. 2022-01-01. Vol. 162, p. 107981. DOI : 10.1016/j.ymssp.2021.107981.Theses
Flow Boiling of Carbon Dioxide at Different Channel Orientations for the Thermal Management of Future Detector Technologies at the High-Luminosity Large Hadron Collider at CERN
Lausanne, EPFL, 2022.Numerical and experimental investigation of spiral-grooved gas journal bearings
Lausanne, EPFL, 2022.2021
Journal Articles
Stability and Unbalance Analysis of Rigid Rotors Supported by Spiral Groove Bearings: Comparison of Different Approaches
Journal of Engineering for Gas Turbines and Power. 2021-12-01. Vol. 143, num. 12, p. 121008 (12 pages). DOI : 10.1115/1.4052025.Techno-Economic Optimization of an Integrated Biomass Waste Gasifier–Solid Oxide Fuel Cell Plant
Frontiers in Energy Research. 2021-06-07. Vol. 9, p. 665585. DOI : 10.3389/fenrg.2021.665585.On the Application of Small-Scale Turbines in Industrial Steam Networks
Energies. 2021-05-28. Vol. 14, num. 11, p. 3149. DOI : 10.3390/en14113149.Theoretical and Experimental Investigation of a 34 Watt Radial-Inflow Steam Turbine with Partial-Admission
Journal of Engineering for Gas Turbines and Power. 2021-03-31. p. GTP-20-1474. DOI : 10.1115/1.4049483.Experimental Investigation of a Small-Scale Organic Rankine Cycle Turbo-Generator Supported on Gas-Lubricated Bearings
Journal of Engineering for Gas Turbines and Power. 2021-03-11. Vol. 143, num. 5, p. 051015, 1-14. DOI : 10.1115/1.4049988.Prediction of the reaction forces of spiral-groove gas journal bearings by artificial neural network regression models
Journal of Computational Science. 2021-01-01. Vol. 48, p. 101256. DOI : 10.1016/j.jocs.2020.101256.Nonlinear study on a rigid rotor supported by herringbone grooved gas bearings: Theory and validation
Mechanical Systems and Signal Processing. 2021-01-01. Vol. 146, p. 1-20, 106983. DOI : 10.1016/j.ymssp.2020.106983.Conference Papers
A reduced order model to predict the machining time and cost of small-scale radial-inflow turbines
2021-11-04. 6th International Seminar on ORC Power Systems (ORC2021), Munich, Germany, October 11-13, 2021.The effects of the tip clearance on the performance of small-scale turbopumps for ORC applications; analysis and modeling
2021-11-04. 6th International Seminar on ORC Power Systems (ORC2021), Munich, Germany, October 11-13, 2021.Theoretical and Experimental Investigation of a 34 Watt Radial-Inflow Steam Turbine with Partial-Admission
2021-01-11. ASME Turbo Expo: Turbomachinery Technical Conference and Exposition, London, England – virtual conference, June 22-26, 2020. p. GT2020-15804, V008T20A023. DOI : 10.1115/GT2020-15804.Influence of Large Relative Tip Clearances for a Micro Radial Fan and Design Guidelines for Increased Efficiency
2021-01-11. ASME Turbo Expo: Turbomachinery Technical Conference and Exposition, London, England – virtual conference, June 22-26, 2020. p. GT2020-15994, V008T20A025. DOI : 10.1115/GT2020-15994.Theses
Experimental investigation and analysis of sequential jet impingement concepts for enhanced turbine cooling
Lausanne, EPFL, 2021.Automated Design: A Journey Across Modelling, Optimization, and Education
Lausanne, EPFL, 2021.2020
Journal Articles
Realistic Constrained Multi-Objective Optimization Benchmark Problems from Design
IEEE Transactions on Evolutionary Computation. 2020-08-28. Vol. 25, num. 2, April 2021, p. 234-246. DOI : 10.1109/TEVC.2020.3020046.Experimental Assessment of a 3D-Printed Stainless Steel Gas Foil Bearing
Journal of Tribology. 2020-06-05. Vol. 142, num. 8, p. 1-6, 081802. DOI : 10.1115/1.4047193.Extended Windage Loss Models for Gas Bearing Supported Spindles Operated in Dense Gases
Journal of Engineering for Gas Turbines and Power. 2020-06-01. Vol. 142, num. 6, p. 061010. DOI : 10.1115/1.4047124.Analysis of Spiral-Grooved Gas Journal Bearings by the Narrow-Groove Theory and the Finite Element Method At Large Eccentricities
Journal of Tribology. 2020-04-01. Vol. 142, num. 4, p. 041802. DOI : 10.1115/1.4045636.Flexible Support for Gas-Lubricated Bearing Bushings
Tribology Transactions. 2020-03-25. Vol. 63, num. 3, p. 494-508. DOI : 10.1080/10402004.2020.1717702.The Role of Reynolds Number Effect and Tip Leakage in Compressor Geometry Scaling at Low Turbulent Reynolds Numbers
Journal of Turbomachinery. 2020-03-15. Vol. 142, num. 3, p. 031003. DOI : 10.1115/1.4045465.Experimental characterization of a solid oxide fuel cell coupled to a steam-driven micro anode off-gas recirculation fan
Applied Energy. 2020-03-15. Vol. 262, p. 114219. DOI : 10.1016/j.apenergy.2019.114219.Theoretical and Experimental Investigation of a Small-scale, High-speed, and Oil-free Radial Anode Off-gas Recirculation Fan for Solid Oxide Fuel Cell Systems
Journal of Engineering for Gas Turbine and Power. 2020-02-14. Vol. 142, num. 4, p. 041023. DOI : 10.1115/1.4045104.Pressure Profile Measurements within The Gas Film of Journal Foil Bearings Using An Instrumented Rotor with Telemetry
Journal of Engineering for Gas Turbines and Power. 2020-02-03. Vol. 142, num. 3, p. 031013. DOI : 10.1115/1.4044798.Dynamic force coefficients identification on air-lubricated herringbone grooved journal bearing
Mechanical Systems and Signal Processing. 2020-02-01. Vol. 136, p. 106498. DOI : 10.1016/j.ymssp.2019.106498.An Instrumented High-Speed Rotor with Embedded Telemetry for The Continuous Spatial Pressure Profile Measurement in Gas Lubricated Bearings: A Proof of Concept
Journal of Engineering for Gas Turbines and Power. 2020-01-29. Vol. 142, num. 4, p. 041006. DOI : 10.1115/1.4044797.Scale limitations of gas bearing supported turbocompressors for vapor compression cycles
International Journal of Refrigeration. 2020-01-01. p. JIJR4535. DOI : 10.1016/j.ijrefrig.2019.09.019.Conference Papers
Automated Design Tool for Automotive Control Actuators
2020-11-03. 46th Design Automation Conference (DAC), Virtual, Online, August 17–19, 2020. DOI : 10.1115/DETC2020-22390.Reviews
A Review of Grooved Dynamic Gas Bearings
Applied Mechanics Reviews. 2020-01-01. Vol. 72, p. 010802. DOI : 10.1115/1.4044191.Theses
Small-scale organic Rankine cycle turbo-generator for waste heat recovery on truck engine
Lausanne, EPFL, 2020.Numerical and experimental investigations on non-contacting seals for small-scale applications
Lausanne, EPFL, 2020.Advanced design methods and non-ideal gas lubrication applied to aerodynamic bearings
Lausanne, EPFL, 2020.Patents
Sofc system with anode off-gas recirculation
HRP20221077; SI3834244; ES2924046; PL3834244; RS63547; PT3834244; DK3834244; EP3834244; EP3834244; WO2020030796; EP3609006.
2020.Student Projects
Actuator Synthesis and Optimization: Evaluation of Graph-Based Approaches
2020-06-19.Experimental and Numerical Investigation of a Small-Scale Steam Turbine
2020-01-01.2019
Journal Articles
Thin Gas Film Isothermal Condensation in Aerodynamic Bearings
Journal of Tribology. 2019-11-01. Vol. 141, num. 11, p. 111701. DOI : 10.1115/1.4044447.Multi-Objective Optimization of Grooved Gas Journal Bearings for Robustness in Manufacturing Tolerances
Tribology Transaction. 2019-08-22. Vol. 62, num. 6, p. 1041-1050. DOI : 10.1080/10402004.2019.1642547.Data-Driven Model for the Dynamic Characteristics of O-Rings for Gas Bearing Supported Rotors
Journal of Applied Mechanics. 2019-08-01. Vol. 86, num. 8, p. 081003. DOI : 10.1115/1.4043473.Performance potential of gas foil thrust bearings enhanced with spiral grooves
Tribology International. 2019-03-01. Vol. 131, p. 438-445. DOI : 10.1016/j.triboint.2018.11.003.Two-phase and oil-free co-rotating scroll compressor/expander
Applied Thermal Engineering. 2019-02-05. Vol. 148, p. 173-187. DOI : 10.1016/j.applthermaleng.2018.11.037.Conference Papers
An Instrumented High-Speed Rotor With Embedded Telemetry For The Continuous Spatial Pressure Profile Measurement In Gas Lubricated Bearings: A Proof Of Concept
2019-11-05. ASME Turbo Expo: Turbomachinery Technical Conference and Exposition, Phoenix, AZ, Jun 17-21, 2019. p. V07BT34A026. DOI : 10.1115/GT2019-90983.Design and Experimental Realization of a Steam-Driven Micro Recirculation Fan for Solid Oxide Fuel Cell Systems
2019-09-08. 16th Symposium on Solid Oxide Fuel Cells (SOFC-XVI), Kyoto, Japan, September 8-13, 2019. p. 187-193. DOI : 10.1149/09101.0187ecst.High temperature heat pumps – Theoretical study on low GWP HFO and HCFO refrigerants
2019-08-25. ICR 2019 – The 25th IIR International Congress of Refrigeration, Montréal, Québec, Canada, August 24-30, 2019.High temperature heat pump using HFO and HCFO refrigerants – system design and experimental results
2019-08-25. ICR 2019 – The 25th IIR International Congress of Refrigeration, Montréal, Québec, Canada, August 24-30, 2019.Theoretical and Experimental Investigation of a Small-Scale, High-Speed, and Oil-Free Radial Anode Off-Gas Recirculation Fan for Solid Oxide Fuel Cell Systems
2019-06-17. ASME Turbo Expo 2019, Phoenix AZ, USA, June 17-21, 2019. p. GT2019-91361. DOI : 10.1115/GT2019-91361.Impact of large tip clearance ratios on the performance of a centrifugal compressor
2019-04-08. Euro Turbo Conderence ETC13, Lausanne, Switzerland, April 8-12, 2019.Pressure Profile Measurements Within The Gas Film Of Journal Foil Bearings Using An Instrumented Rotor With Telemetry
2019. ASME Turbo Expo: Turbomachinery Technical Conference and Exposition, Phoenix, AZ, Jun 17-21, 2019. DOI : 10.1115/GT2019-90984.Theses
Flexible support and enhanced groove geometries for gas lubricated bearings
Lausanne, EPFL, 2019.Mitigation of tip leakage induced phenomena in a low Reynolds number centrifugal compressor via blade loading distribution
Lausanne, EPFL, 2019.Integrated Design, Optimization, and Experimental Realization of a Steam-Driven Micro Recirculation Fan for Solid Oxide Fuel Cell Systems
Lausanne, EPFL, 2019.An Experimental Study of Gas Lubricated Foil Journal Bearings Using an Instrumented Rotor with Wireless Telemetry
Lausanne, EPFL, 2019.Talks
Assessing student learning of design and project management skills in a project-based course
SFDN Conference 2019, Zurich, Switzerland,Student Projects
Analytical and Numerical Investigation of a Small-scale Radial-Inflow Steam Turbine
2019-01-31.2018
Journal Articles
Data-Driven Predesign Tool for Small-Scale Centrifugal Compressor in Refrigeration
Journal of Engineering for Gas Turbines and Power. 2018-10-24. Vol. 140, p. 1-8, 121011. DOI : 10.1115/1.4040845.Spatially Sampled Pressure Profile Measurements in Externally Pressurized Gas Journal Bearings
Tribology Transactions. 2018-10-04. p. 1-28. DOI : 10.1080/10402004.2018.1480078.Multi-objective optimization of turbo-ORC systems for waste heat recovery on passenger car engines
Energy. 2018-06-27. Vol. 159, p. 751-765. DOI : 10.1016/j.energy.2018.06.193.Effects of humid air on aerodynamic journal bearings
Tribology International. 2018-06-15. Vol. 127, p. 333-340. DOI : 10.1016/j.triboint.2018.06.002.Dimensionless correlations and performance maps of scroll expanders for micro-scale Organic Rankine Cycles
Energy. 2018-05-06. Vol. 156, p. 520-533. DOI : 10.1016/j.energy.2018.05.001.Real-gas effects on aerodynamic bearings
Tribology International. 2018-01-08. Vol. 120, p. 358-368. DOI : 10.1016/j.triboint.2018.01.008.High temperature heat pumps: Market overview, state of the art, research status, refrigerants, and application potentials
Energy. 2018. Vol. 152, p. 985-1010. DOI : 10.1016/j.energy.2018.03.166.Dynamic pressure probe response tests for robust measurements in periodic flows close to probe resonating frequency
Measurement Science and Technology. 2018. Vol. 29, num. 2, p. 025301. DOI : 10.1088/1361-6501/aa9cf4.Small scale radial inflow turbine performance and pre-design maps for Organic Rankine Cycles
Energy. 2018. Vol. 143, p. 1072-1084. DOI : 10.1016/j.energy.2017.11.002.Non-linear transfer function identification of pressure probes using Siren Disks
Experimental Thermal and Fluid Science. 2018. Vol. 91, p. 459-469. DOI : 10.1016/j.expthermflusci.2017.11.001.Conference Papers
Impacts of Constraints and Constraint Handling Strategies for Multi-Objective Mechanical Design Problems
2018-07-15. GECCO ’18, Kyoto, Japan, July 15–19, 2018. p. 1341–1347. DOI : 10.1145/3205455.3205526.High Temperature Heat Pumps: Market Overview, Stateof the Art, Research Status, Refrigerants, and Application Potentials
2018-07-09. 17th International Refrigeration and Air Conditioning Conference, Purdue, USA, July 9-12, 2018. p. 2200, Page 1-10.Small, High-Speed, Oil-Free Radial Turbo-compressors for Cooling Applications: Refrigerant Selection
2018-07-09. 24 th International Compressor Engineering Conference, Purdue, USA, July 9-12, 2018. p. 2386, pages 1-10.High temperature heat pump using HFO and HCFO refrigerants – System design, simulation, and first experimental results
2018-07-09. 17 th International Refrigeration and Air Conditioning Conference at Purdue, Purdue, USA, July 9-12, 2018.Data-Driven Pre-Design Tool for Small Scale Centrifugal Compressors in Refrigeration
2018-06-11. ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition, Oslo, Norway, June 11-15, 2018. p. V008T26A012. DOI : 10.1115/GT2018-76349.Theses
Potential and Challenges of ORC driven Heat Pumps Based on Gas Bearing Supported Turbomachinery
Lausanne, EPFL, 2018.Patents
A co-rotational scroll machine
CN111630277; US11306717; US2021062807; EP3740679; CN111630277; WO2018134739.
2018.Capsule recycling system for domestic coffee machines
EP3641957; WO2018235044.
2018.