Publications

2024

Journal Articles

A High-Speed, High-Temperature, Micro-Cantilever Steam Turbine for Hot Syngas Compression in Small-Scale Combined Heat and Power

V. He; J. Van Herle; J. A. Schiffmann 

Journal of Engineering for Gas Turbines and Power. 2024. Vol. 147, num. 2, p. 1 – 12. DOI : https://doi.org/10.1115/1.4066355.

A High-Temperature, High-Speed, Oil-Free Syngas Compressor for Small-Scale Combined Heat and Power

V. He; J. Van Herle; J. A. Schiffmann 

Journal of Engineering for Gas Turbines and Power. 2024. Vol. 147, num. 2, p. GTP-24-1514. DOI : https://doi.org/10.1115/1.4066356.

An Integrated Approach to Designing Robust Gas-Bearing Supported Turbocompressors through Surrogate Modeling and Constrained All-At-Once Multi-Objective Optimization

S. Massoudi; C. Picard; J. A. Schiffmann 

Journal of Mechanical Design. 2024. Vol. 146, num. 12. DOI : 10.1115/1.4065823.

Conference Papers

A High-Speed, High-Temperature Micro-Cantilever Steam Turbine for Hot Syngas Compression in Small-Scale Combined Heat and Power

V. He; J. Van Herle; J. Schiffmann 

2024. ASME Turbo Expo 2024: Turbomachinery Technical Conference and Exposition, London, UK, 2024-06-24 – 2024-06-28. DOI : 10.1115/GT2024-128096.

A High-Temperature, High-Speed, Oil-Free Syngas Compressor for Small-Scale Combined Heat and Power

V. He; J. Van Herle; J. A. Schiffmann 

2024. ASME Turbo Expo 2024: Turbomachinery Technical Conference and Exposition, London, UK, 2024-06-24 – 2024-06-28. DOI : 10.1115/GT2024-125975.

The Haptic Link Enabling Driver-Automation Teaming

T. Nakade; R. Fuchs; J. A. Schiffmann 

2024. 2024 IEEE 4th International Conference on Human-Machine Systems (ICHMS), Toronto, ON, Canada, May 15-17, 2024. p. 1 – 6. DOI : 10.1109/ICHMS59971.2024.10555848.

Small-scale turbopumps for waste heat recovery applications based on an organic Rankine cycle, modeling, analytical and experimental investigations

S. Zakeralhoseini; J. A. Schiffmann 

2024. 7th International Seminar on ORC Power System, Seville, Spain, 2023-09-04 – 2023-09-06. p. 655 – 664. DOI : 10.12795/9788447227457_113.

Theses

Empowering turbocompressor design with AI: a unified approach to robustness and all-at-once optimization

S. Massoudi / J. A. Schiffmann (Dir.)  

Lausanne, EPFL, 2024. 

2023

Journal Articles

Parametric Reduced Order Model of a Gas Bearings Supported Rotor

D. Goutaudier; J. Schiffmann; F. Nobile 

Journal of Engineering for Gas Turbines and Power. 2023. Vol. 146, num. 1, p. GTP – 23. DOI : 10.1115/1.4063424.

Robust Design of Herringbone Grooved Journal Bearings using Multi-Objective Optimization with Artificial Neural Networks

S. Massoudi; J. A. Schiffmann 

Journal of Turbomachinery. 2023. 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

L. E. Olmedo; J. Schiffmann 

Energy. 2023. 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

S. Zakeralhoseini; J. A. Schiffmann 

Energy Conversion and Management. 2023. 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

D. Goutaudier; F. Nobile; J. Schiffmann 

International Journal For Numerical Methods In Engineering. 2023. DOI : 10.1002/nme.7305.

Design and experimental investigation of a herringbone grooved gas bearing supported turbocharger

W. Liu; K. Gjika; J. Schiffmann 

Mechanical Systems and Signal Processing. 2023. Vol. 186, p. 109828. DOI : 10.1016/j.ymssp.2022.109828.

The influence of splitter blades and meridional profiles on the performance of small-scale turbopumps for ORC applications; analysis, neural network modeling and optimization

S. Zakeralhoseini; J. Schiffmann 

Thermal Science and Engineering Progress. 2023. Vol. 39, p. 101734. DOI : 10.1016/j.tsep.2023.101734.

Haptics based multi-level collaborative steering control for automated driving

T. Nakade; R. Fuchs; H. Bleuler; J. Schiffmann 

Communications Engineering. 2023. Vol. 2, num. 1. DOI : 10.1038/s44172-022-00051-2.

Thermal management for gas lubricated, high-speed turbomachinery

L. Olmedo; W. Liu; K. Gjika; J. Schiffmann 

Applied Thermal Engineering. 2023. Vol. 218, p. 119229. DOI : 10.1016/j.applthermaleng.2022.119229.

Conference Papers

An Integrated Approach to Designing Robust Turbocompressors on Gas Bearings Through Surrogate Modeling and Constrained Multi-Objective Optimization

S. Massoudi; C. Picard; J. A. Schiffmann 

2023. ASME International Design Engineering Technical Conferences / Computers and Information in Engineering Conference (IDETC-CIE) / 49th Design Automation Conference (DAC), Boston, Massachusetts, USA, August 20-23, 2023. DOI : 10.1115/DETC2023-115201.

Parametric Reduced Order Model of a Gas Bearings Supported Rotor

D. Goutaudier; J. Schiffmann; F. Nobile 

2023. ASME TurboExpo 2023. ASME Turbomachinery Technical Conference and Exposition (Turbo Expo) on Collaborate, Innovate and Empower – Propulsion and Power for a Sustainable Future, Boston, , MA, US, June 26-30, 2023. DOI : 10.1115/GT2023-102519.

Robust Design of Herringbone Grooved Journal Bearings using Multi-Objective Optimization with Artificial Neural Networks

S. Massoudi; J. A. Schiffmann 

2023. ASME Turbomachinery Technical Conference and Exposition (Turbo Expo 2023) on Collaborate, Innovate and Empower – Propulsion and Power for a Sustainable Future, Boston, Massachusetts, USA, June 26-30, 2023. DOI : 10.1115/GT2023-102428.

Dated: Guidelines for Creating Synthetic Datasets for Engineering Design Applications

C. Picard; J. Schiffmann; F. Ahmed 

2023. ASME International Design Engineering Technical Conferences / Computers and Information in Engineering Conference (IDETC-CIE) / 49th Design Automation Conference (DAC), Boston, MA, AUG 20-23, 2023. DOI : 10.1115/DETC2023-111609.

Reviews

Readiness evaluation of SOFC-MGT hybrid systems with carbon capture for distributed combined heat and power

V. He; M. Gaffuri; J. Van herle; J. Schiffmann 

Energy Conversion and Management. 2023. Vol. 278, p. 116728. DOI : 10.1016/j.enconman.2023.116728.

Theses

Haptics based collaborative steering control in automated driving environments

T. Nakade / J. A. Schiffmann; H. Bleuler (Dir.)  

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

S. Zakeralhoseini / J. A. Schiffmann (Dir.)  

Lausanne, EPFL, 2023. 

High-speed turbocompressors for natural fluid heat-pumps: from integrated design to digital-twin

L. E. Olmedo Ocampo / J. A. Schiffmann (Dir.)  

Lausanne, EPFL, 2023. 

Working Papers

Plug-and-play adaptive surrogate modeling of parametric nonlinear dynamics in frequency domain

P. Huwiler; D. Pradovera; J. A. Schiffmann 

2023

2022

Journal Articles

Analysis and modeling of the tip leakage flow on the performance of small-scale turbopumps for ORC applications

S. Zakeralhoseini; J. A. Schiffmann 

Applied Thermal Engineering. 2022. Vol. 217, p. 119160. DOI : 10.1016/j.applthermaleng.2022.119160.

Heat transfer of flow boiling carbon dioxide in vertical upward direction

D. Schmid; B. Verlaat; P. Petagna; R. Revellin; J. Schiffmann 

International Journal of Heat and Mass Transfer. 2022. 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

E. Iseli; J. Schiffmann 

Mechanical Systems And Signal Processing. 2022. Vol. 174, p. 109080. DOI : 10.1016/j.ymssp.2022.109080.

Adiabatic two-phase pressure drop of carbon dioxide in different channel orientations

D. Schmid; B. Verlaat; P. Petagna; J. Schiffmann; R. Revellin 

International Journal of Heat and Fluid Flow. 2022. Vol. 95, p. 108966. DOI : 10.1016/j.ijheatfluidflow.2022.108966.

Experimental Investigation of Enhanced Grooves for Herringbone Grooved Journal Bearings

P. K. Bättig; P. H. Wagner; J. A. Schiffmann 

Journal of Tribology. 2022. 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

D. Schmid; B. Verlaat; P. Petagna; R. Revellin; J. Schiffmann 

Experimental Thermal and Fluid Science. 2022. 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

S. Massoudi; C. Picard; J. Schiffmann 

Design Science. 2022. Vol. 8, p. e1. DOI : 10.1017/dsj.2021.25.

Unstable tilting motion of flexibly supported gas bearing bushings

P. K. Bättig; J. A. Schiffmann 

Mechanical Systems and Signal Processing. 2022. Vol. 162, p. 107981. DOI : 10.1016/j.ymssp.2021.107981.

Which professional skills do students learn in engineering team-based projects?

C. Picard; C. Hardebolle; R. Tormey; J. A. Schiffmann 

European Journal of Engineering Education. 2022.  p. 1 – 19. DOI : 10.1080/03043797.2021.1920890.

Theses

Numerical and experimental investigation of spiral-grooved gas journal bearings

E. Iseli / J. A. Schiffmann (Dir.)  

Lausanne, EPFL, 2022. 

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

D. Schmid / J. A. Schiffmann; R. Revellin (Dir.)  

Lausanne, EPFL, 2022. 

2021

Journal Articles

Stability and Unbalance Analysis of Rigid Rotors Supported by Spiral Groove Bearings: Comparison of Different Approaches

E. Iseli; J. Schiffmann 

Journal of Engineering for Gas Turbines and Power. 2021. 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

M. Pérez-Fortes; V. He; A. Nakajo; J. Schiffmann; F. Maréchal et al. 

Frontiers in Energy Research. 2021. Vol. 9, p. 665585. DOI : 10.3389/fenrg.2021.665585.

On the Application of Small-Scale Turbines in Industrial Steam Networks

A. Weickgenannt; I. Kantor; F. Maréchal; J. Schiffmann 

Energies. 2021. 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

P. Wagner; J. Van herle; J. Schiffmann 

Journal of Engineering for Gas Turbines and Power. 2021.  p. GTP – 20. DOI : 10.1115/1.4049483.

Experimental Investigation of a Small-Scale Organic Rankine Cycle Turbo-Generator Supported on Gas-Lubricated Bearings

K. Rosset; O. Pajot; J. Schiffmann 

Journal of Engineering for Gas Turbines and Power. 2021. Vol. 143, num. 5, p. 051015, 1 – 14. DOI : 10.1115/1.4049988.

Nonlinear study on a rigid rotor supported by herringbone grooved gas bearings: Theory and validation

W. Liu; P. Bättig; P. H. Wagner; J. Schiffmann 

Mechanical Systems and Signal Processing. 2021. Vol. 146, p. 1 – 20, 106983. DOI : 10.1016/j.ymssp.2020.106983.

Prediction of the reaction forces of spiral-groove gas journal bearings by artificial neural network regression models

E. Iseli; J. A. Schiffmann 

Journal of Computational Science. 2021. Vol. 48, p. 101256. DOI : 10.1016/j.jocs.2020.101256.

Conference Papers

The effects of the tip clearance on the performance of small-scale turbopumps for ORC applications; analysis and modeling

S. Zakeralhoseini; J. A. Schiffmann 

2021. 6th International Seminar on ORC Power Systems (ORC2021), Munich, Germany, October 11-13, 2021.

A reduced order model to predict the machining time and cost of small-scale radial-inflow turbines

M. Geiselhart; T. A. Lenau; J. A. Schiffmann; F. Haglind 

2021. 6th International Seminar on ORC Power Systems (ORC2021), Munich, Germany, October 11-13, 2021.

Influence of Large Relative Tip Clearances for a Micro Radial Fan and Design Guidelines for Increased Efficiency

P. H. Wagner; J. Van Herle; J. A. Schiffmann 

2021. 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.

Theoretical and Experimental Investigation of a 34 Watt Radial-Inflow Steam Turbine with Partial-Admission

P. H. Wagner; J. Van Herle; J. A. Schiffmann 

2021. 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.

Theses

Automated Design: A Journey Across Modelling, Optimization, and Education

C. Picard / J. A. Schiffmann (Dir.)  

Lausanne, EPFL, 2021. 

Experimental investigation and analysis of sequential jet impingement concepts for enhanced turbine cooling

M. Gaffuri / J. A. Schiffmann; P. Ott (Dir.)  

Lausanne, EPFL, 2021.