Dickes, R., Dumont, O., & Lemort, V. (2020). Experimental assessment of the fluid charge distribution in an organic Rankine cycle (ORC) power system. Applied Thermal Engineering, 179.
Peer reviewed (verified by ORBi)
This paper reports on experiments aiming to understand and to characterize how the working fluid spreads in an organic Rankine cycle (ORC) power system. To this end, a 2-kWe ORC test rig is constructed and ...
Dumont, O., Frate, G. F., Pillai, A., Lecompte, S., De Paepe, M., & Lemort, V. (2020). Carnot battery technology: a state-of-the-art review. Journal of Energy Storage, 32(101756).
Peer reviewed (verified by ORBi)
The growth of renewable energy requires flexible, low-cost and efficient electrical storage to balance the mismatch between energy supply and demand. The Carnot battery buffers electrical energy by storing ...
Dumont, O., & lemort. (2020). Mapping of performance of pumped thermal energy storage (Carnot battery) using waste heat recovery. Energy.
Peer reviewed (verified by ORBi)
Dumont, O., & Lemort, V. (2020). First Experimental Results of a Thermally Integrated Carnot Battery Using a Reversible Heat Pump / Organic Rankine Cycle. Paper presented at 2nd international workshop on Carnot batteries.
Dumont, O., reyes, A., & Lemort, V. (2020). Modelling of a thermally integrated Carnot battery using a reversible heat pump/organic Rankine cycle. Paper presented at ECOS 2020.
Talluri, L., Dumont, O., Manfrida, G., Lemort, V., & Fiaschi, D. (2020). Experimental investigation of an Organic Rankine Cycle Tesla turbine working with R1233zd(E). Applied Thermal Engineering, 174.
Peer reviewed (verified by ORBi)
The increasing interest in micro power generation is pushing the research world to find new solutions for increasing the efficiency of micro Organic Rankine Cycles. One of their main issues is the efficiency ...
Talluri, L., Dumont, O., Manfrida, G., Lemort, V., & Fiaschi, D. (2020). Geometry Definition and Performance Assessment of Tesla Turbines for ORC. Energy.
Peer reviewed (verified by ORBi)
The Tesla turbine - also known as friction, viscous or bladeless turbine - is a peculiar expander, which generates power through viscous entrainment. In the last years, it has gained a renewed appeal due to ...
Dickes, R., Dumont, O., & Lemort, V. (2019). Infrared imaging of a multi-zone condenser for heat transfer coefficients assessment. Proceedings of ECOS 2019.
Peer reviewed
Although crucial for simulations, a proper identification of the convective heat transfer coefficients in multi-zone heat exchangers is a challenging task. While well instrumented thermal systems permit to ...
Dumont, O. (2019). annex to the Mapping of performance of pumped thermal energy storage (Carnot battery) using waste heat recovery.
Dumont, O. (2019). Appendices of the ORC19 journal paper. ele.
Dumont, O., Dickes, R., Ismael, M., & Lemort, V. (2019). Mapping of performance of pumped thermal energy storage (Carnot battery) using waste heat recovery. ORC 2019 proceedings.
Peer reviewed
Dumont, O., & Lemort, V. (2019). Thermo-technical approach to characterize the performance of a reversible heat pump/organic Rankine cycle power system depending on its operational conditions. ECOS 2019.
Peer reviewed
Dumont, O., Talluri, L., Fiaschi, D., Manfrida, G., & Lemort, V. (2019). Comparison of a scroll, a screw, a roots, a piston expander and a Tesla turbine for small-scale organic Rankine cycle. ORC 2019 proceedings.
Peer reviewed
Dickes, R., Dumont, O., Quoilin, S., & Lemort, V. (2018). Online Measurement Of The Working Fluid Mass Repartition In A Small-Scale Organic Rankine Cycle Power System. Proceedings of Purdue 2018.
Peer reviewed
This paper presents an experimental investigation of the working fluid charge repartition in a 2kWe ORC (organic Rankine cycle) test bench. To this end, an online measurement apparatus is built and fully ...
Parthoens, A., Guillaume, L., Dumont, O., & Lemort, V. (2018). Experimental and numerical investigation of a roots expander integrated into an ORC power system. Proceedings of Purdue 2018.
Peer reviewed
The performance of internal combustion engines can be improved by valorising the waste heat by means of organic Rankine Cycle power systems (ORC). This paper focuses on an expander of a truck-embedded ORC ...
Dickes, R., Dumont, O., Thiebaut, J., Orosz, M., Mueller, A., & Lemort, V. (2018). Experimental performance of a field of parabolic trough collectors for small-scale power generation. Proceedings of ECOS 2018.
Peer reviewed
The present work investigates the solar field performance of a pilot system installed at the University of Liège in Belgium. The system includes eight parabolic trough collectors connected in series (66m² in ...
Dickes, R., Dumont, O., Guillaume, L., Quoilin, S., & Lemort, V. (2018). Charge-sensitive modelling of organic Rankine cycle power systems for off-design performance simulation. Applied Energy, 212, 1262-1281.
Peer reviewed (verified by ORBi)
This paper focuses on a charge-sensitive model to characterize the off-design performance of low-capacity organic Rankine cycle (ORC) power systems. The goal is to develop a reliable steady-state model that ...
Dumont, O. (2018). Appendices of the paper “Experimentation and driving cycle performance of three architectures for waste heat recovery trough Rankine cycle and organic Rankine cycle of a passenger car engine”.
Dumont, O., Carmo, C., Fontaine, V., Randaxhe, F., Quoilin, S., Lemort, V., Elmegaard, B., & Mads P., N. (2018). Performance of a reversible heat pump/organic Rankine cycle unit coupled with a passive house to get a positive energy building. Journal of Building Performance Simulation.
Peer reviewed (verified by ORBi)
Dumont, O., Dickes, R., De Rosa, M., Douglas, R., & Lemort, V. (2018). Technical and economic optimization of subcritical, wet expansion and transcritical Organic Rankine Cycle (ORC) systems coupled with a biogas power plant. Energy Conversion and Management, 157, 294-306.
Peer reviewed (verified by ORBi)
Generally, >40% of the useful energy (cooling engine and exhaust gases) are wasted by a biogas power plant through the cooling radiator and the exhaust gases. An efficient way to convert this waste heat into ...
Dumont, O., Diny, M., & Lemort, V. (2018). Experimental investigation and modelling of a 1.5 kW axial turbine designed for waste heat recovery through a Rankine cycle. SAE International Journal of Passenger Cars - Mechanical Systems.
Peer reviewed (verified by ORBi)
Dumont, O., Diny, M., & Lemort, V. (2018). Experimentation and driving cycle performance of three architectures for waste heat recovery through Rankine cycle and organic Rankine cycle of a passenger car engine. proceedings of ECOS 2018.
Peer reviewed
Dumont, O., Diny, M., Lemort, V., Ziviani, D., Braun, J., & Groll, E. (2018). Innovative architecture to valorize the waste heat of a passenger car through the use of a Rankine cycle. Proceedings of purdue conference 2018.
Peer reviewed
Dumont, O., Parthoens, A., Dickes, R., & Lemort, V. (2018). Experimental investigation and optimal performance assessment of four volumetric expanders (scroll, screw, piston and roots) tested in a small-scale organic Rankine cycle system. Energy.
Peer reviewed (verified by ORBi)
The aim of this paper is to facilitate the selection of the expander for a small-scale organic Rankine cyclebased on an experimental comparison of a piston, a screw, a scroll and a roots expander. First, based ...
Dickes, R., Dumont, O., Quoilin, S., & Lemort, V. (2017). Performance correlations for characterizing the optimal off-design operation of an ORC power system. Energy Procedia, 129, 907-914.
Peer reviewed (verified by ORBi)
The goal of this work is to develop a set of simple correlations in order to characterize the optimal off-design performance of an ORC power system. To this end, a 2kWe ORC test rig is investigated as case ...
Dickes, R., Guillaume, L., Dumont, O., Quoilin, S., & Lemort, V. (2017). Effects of void fraction and heat transfer correlations in a charge-sensitive ORC model – a comparison with experimental data. Proceedings of ECOS 2017.
Peer reviewed
In order to properly evaluate the off-design performance of an ORC unit, it is important to use simulation tools that minimize the number of assumptions regarding the system state. To avoid imposing the ...
Dickes, R., Dumont, O., Daccord, R., Quoilin, S., & Lemort, V. (2017). Modelling of organic Rankine cycle power systems in off-design conditions: an experimentally-validated comparative study. Energy, 123, 710-727.
Peer reviewed (verified by ORBi)
Because of environmental issues and the depletion of fossil fuels, the world energy sector is undergoing many changes toward increased sustainability. Among the many fields of research and development, power ...
Lemort, V., Legros, A., Dumont, O., & Diny, M. (2017, February 07). Design optimization of Rankine cycle systems for waste heat recovery from passenger car engines. Paper presented at International Forum Automotive Thermal Management 2017, Ann Arbor, USA.
Dumont, O. (2017). Investigation of a heat pump reversible in an organic Rankine cycle and its application in the building sector. Unpublished doctoral thesis, Université de Liège, ​Liege, ​​Belgique.
This thesis studies the concept of reversible heat pump / organic Rankine cycle (HP/ORC) and its application in the building sector. Chapter one describes this HP/ORC system and its possible applications. A ...
Dumont, O., Dickes, R., & Lemort, V. (2017). Experimental investigation of four volumetric expanders. Energy Procedia.
Peer reviewed (verified by ORBi)
Dumont, O., Dickes, R., & Lemort, V. (2017). Extrapolability and limitations of a semi-empirical model for the simulation of volumetric expanders. Energy Procedia.
Peer reviewed (verified by ORBi)
Dumont, O., Diny, M., & Lemort, V. (2017). Experimental investigation of the valorization of the waste heat of a gasoline engine based on a Rankine cycle power system. Paper presented at ECOS - 2017. 30th International Conference on Efficiency, Cost, Optimisation, Simulation and Environmental Impact of Energy Systems.
Peer reviewed
Quoilin, S., Dumont, O., Dickes, R., & Lemort, V. (2017). Evaluating quality of multivariate experimental data relative to various ORC experimental setups. Energy Procedia.
Peer reviewed (verified by ORBi)
Lemort, V., Dickes, R., & Dumont, O. (2016, February 03). Caractérisation expérimentale du module ORC d’une micro centrale solaire. Paper presented at Journée Micro/Mini cogénération au Conservatoire National des Arts et Métiers (CNAM) de Paris, Paris.
Carmo, C., Dumont, O., Nielsen, M. P., & Elmegaard, B. (2016). Assessment of Emerging Renewable Energy-based Cogeneration Systems for nZEB Residential Buildings. Paper presented at CLIMA 2016.
Peer reviewed
Carmo, C., Dumont, O., Nielsen, M. P., & Elmegaard, B. (2016). Energy Performance and Economic Evaluation of a HP/ORC (heat pump/organic Rankine cycle) system with different hot water tank storage configurations. Paper presented at ECOS 2016.
Peer reviewed
Carmo, C., Dumont, O., Nielsen, M. P., & Elmegaard, B. (2016). Performance Evaluation of a HP/ORC System with Optimal Control of Sensible Thermal Storage. Paper presented at Purdue conference 2016.
Peer reviewed
Carmo, C., Nielsen, M., Elmegaard, B., & Dumont, O. (2016). Performance Evaluation of a HP/ORC (Heat Pump/Organic Rankine Cycle) System with Optimal Control of Sensible Thermal Storage. Paper presented at Purdue conference 2016.
Peer reviewed
Dumont, O., Carmo, C., Dickes, R., Georges, E., Quoilin, S., & Lemort, V. (2016). Hot water tanks : how to select the optimal modelling approach? Paper presented at Conference CLIMA 2016.
Peer reviewed
Dumont, O., Carmo, C., Georges, E., Quoilin, S., & Lemort, V. (2016). Economic assessment of electric energy storage for load shifting in positive energy building. International Journal of Energy and Environmental Engineering.
Peer reviewed (verified by ORBi)
Dumont, O., Carmo, C., Georges, E., Quoilin, S., & Lemort, V. (2016). Economic assessment of energy storage for load shifting in Positive Energy Building. Paper presented at Conference ECOS 2016.
Peer reviewed
Dumont, O., Legros, A., Diny, M., & Lemort, V. (2016). EXPERIMENTAL INVESTIGATIONS OF THE VALORIZATION OF THE EXHAUST WASTE HEAT OF A GASOLINE ENGINE BASED ON A RANKINE CYCLE. Paper presented at Engine ORC consortium.
Peer reviewed
Dumont, O., Quoilin, S., & Lemort, V. (2016). Importance of the reconciliation method to handle experimental data in refrigeration and power cycle: application to a reversible heat pump/organic Rankine cycle unit integrated in a positive energy building. International Journal of Energy and Environmental Engineering.
Peer reviewed (verified by ORBi)
Peris, B., Dumont, O., Quoilin, S., & Navarro, J. (2016). Internal combustion engines cooling water valorization through invertible HTHP/ORC systems. Poster session presented at Waste heat valorization in industrial processes 2016.
Peer reviewed
Dickes, R., Dumont, O., Legros, A., Quoilin, S., & Lemort, V. (2015). Analysis and comparison of different modeling approaches for the simulation of a micro-scale organic Rankine cycle power plant. Proceedings of the 3rd International Seminar on ORC Power Systems.
Peer reviewed
When simulating a system based on the organic Rankine cycle (ORC), different modeling methods can be used to predict its performance. Each method is characterized by advantages, limitations and a level of ...
Quoilin, S., Dumont, O., Harley Hansen, K., & Lemort, V. (2015, August). Design, Modeling, and Performance Optimization of a Reversible Heat Pump/Organic Rankine Cycle System for Domestic Application. Journal of Engineering for Gas Turbines and Power.
Peer reviewed (verified by ORBi)
In this paper, an innovative system combining a heat pump (HP) and an organic Rankine cycle (ORC) process is proposed. This system is integrated with a solar roof, which is used as a thermal source to provide ...
Dumont, O., Quoilin, S., & Lemort, V. (2015). Experimental investigation of a reversible heat pump / organic Rankine cycle unit designed to be coupled with a passive house (Net Zero Energy Building). International Journal of Refrigeration, 54, 190-203.
Peer reviewed (verified by ORBi)
This paper presents an innovative reversible Heat Pump/Organic Rankine Cycle (HP/ORC) experimental unit designed to be coupled to a Net Zero Energy Building (connected to a 120 m2 thermal solar roof and a ...
Dumont, O., Quoilin, S., & Lemort, V. (2015, June). Importance of the reconciliation method to handle experimental data: application to a reversible heat pump / organic Rankine cycle unit integrated in a positive energy building. Paper presented at ECOS 2015, Pau, France.
Peer reviewed
Experimental data is often the result of long and costly experimentations. Many times, measurements are used directly without (or with few) analysis and treatment. This paper therefore presents a detailed ...
Carmo, C., Dumont, O., Nielsen, M. P., & Elmegaard, B. (2015). Experimental Validation of a Domestic Stratified Hot Water Tank Model in Modelica for Annual Performance Assessment. Poster session presented at ORC15.
Peer reviewed
Dumont, O., Carmo, C., Quoilin, S., & Lemort, V. (2015). Modelling, experimentation and simulation of a reversible HP/ORC unit to get a Positive Energy Building. ORC15 conference proceedings.
Dumont, O., Carolina, C., Randaxhe, F., Quoilin, S., & Lemort, V. (2015). PERFORMANCE COMPARISON OF TWO TYPES OF TECHNOLOGIES ASSOCIATED WITH A POSITIVE ENERGY BUILDING: A REVERSIBLE HEAT PUMP/ORC UNIT AND A HEAT PUMP COUPLED WITH PV PANELS. Poster session presented at swc ises 2015.
Peer reviewed
Dumont, O., & Lemort, V. (2015). Comparaison des performances de deux types de technologies pour obtenir un bâtiment à énergie positive : le système PAC/ORC réversible et une pompe à chaleur couplée avec des panneaux photovoltaïques. Paper presented at Congrès de la société francaise de thermique 2015.
Peer reviewed
Afin d’atteindre les objectifs 20-20-20 en 2020 ainsi que les objectifs européens à plus long terme, il est impératif de réduire drastiquement les émissions dues au secteur du bâtiment, qui compte pour plus ...
Oudkerk, J.-F., Dickes, R., Dumont, O., & Lemort, V. (2015). Experimental performance of a piston expander in a smallscale organic Rankine cycle. IOP Conf. Series: Materials Science and Engineering 90 (2015).
Peer reviewed
Volumetric expanders are suitable for more and more applications in the field of micro- and small-scale power system as waster heat recovery or solar energy. This paper present an experimental study carried ...
Dumont, O., Carmo, C., Randaxhe, F., Quoilin, S., & Lemort, V. (2014, December). Simulation of a passive house coupled with a reversible heat pump/organic Rankine cycle unit. Paper presented at System Simulation in Buildings 2014, liege, Belgique.
Peer reviewed
This paper presents a dynamic model of a passive house located in Denmark with a large solar absorber, a horizontal ground heat exchanger coupled with a HP/ORC unit. The HP/ORC reversible unit is a module able ...
Dickes, R., Dumont, O., Declaye, S., Quoilin, S., Bell, I., & Lemort, V. (2014). Experimental investigation of an ORC system for a micro-solar power plant. Proceedings of the 2014 Purdue Conferences.
Peer reviewed
Because of the depletion of fossil fuels and global warming issues, the world energy sector is undergoing various changes towards increased sustainability. Among the different technologies being developed ...
Dumont, O. (2014). Annexes - Experimental investigation of a reversible heat pump / organic Rankine cycle unit designed to be coupled with a passive house (Net Zero Energy Building).
Dumont, O. (2014). Simulation of a passive house coupled with a Heat Pump/Organic Rankine Cycle reversible unit - Annexes.
Dumont, O., Quoilin, S., & Lemort, V. (2014). DESIGN, MODELING AND EXPERIMENTATION OF A REVERSIBLE HP-ORC PROTOTYPE. Paper presented at ASME TURBO EXPO 2014.
Peer reviewed
This paper presents an innovative system comprising a heat pump connected to a solar roof and a geothermal heat exchanger. This heat pump is also able to invert its cycle and operate as an ORC. By using the ...
Dumont, O., Quoilin, S., & Lemort, V. (2014). Design, modelling, performance optimization and experimentation of a reversible HP/ORC prototype. Paper presented at 11th International Energy Agency Heat Pump Conference.
Peer reviewed
This paper presents an innovative system comprising a water/water heat pump connected to a solar roof and a geothermal heat exchanger. This unit is able to invert its cycle and operate as an Organic Rankine ...
Dumont, O., Quoilin, S., & Lemort, V. (2014). DIMENSIONNEMENT ET EXPÉRIMENTATION D’UNE UNITÉ POMPE À CHALEUR / ORC RÉVERSIBLE. Paper presented at Septième édition du colloque francophone en énergie, environnement, économie et thermodynamique 2014.
Peer reviewed
L’union européenne doit réduire les émissions de gaz à effet de serre de 80% par rapport au niveau des années 90 d’ici 2020. Les ménages représentent 27% de la consommation finale. Dans ce cadre, les bâtiments ...
Dumont, O., Quoilin, S., & Lemort, V. (2014). Experimental investigation of a Scroll unit used as a compressor and as an expander in a reversible HP/ORC unit. Paper presented at 15th International Refrigeration and Air Conditioning Conference at Purdue.
Peer reviewed
Quoilin, S., Dumont, O., & Lemort, V. (2013, October 08). Design, Modeling and Performance Optimisation of a Reversible HP-ORC Prototype. Paper presented at 2nd International Seminar on ORC Power Systems.
Peer reviewed
Building is one of the economical sectors where solutions are available to significantly reduce energy consumption and greenhouse gases emissions. Among other, heat pumps offer promising perspectives to ...
Georges, E., Declaye, S., Dumont, O., Quoilin, S., & Lemort, V. (2013, May 12). Design of a small-scale organic Rankine cycle engine used in a solar power plant. International Journal of Low Carbon Technologies.
Peer reviewed (verified by ORBi)
Under the economic and political pressure due to the depletion of fossil fuels and global warming concerns, it is necessary to develop more sustainable techniques to provide electrical power. In this context ...
Dumont, O. (2013). Dimensionnement et modélisation d'une micro-centrale solaire. Poster session presented at Congrès Français de thermique.
Peer reviewed
Dumont, O. (2012). Solar Organic Rankine Cycle. Poster session presented at International Symposium on Advanced Waste Heat - Valorisation Technologies Kortrijk, Belgium.
Peer reviewed