Modelling, experimentation and simulation of a reversible HP/ORC unit to get a Positive Energy Building

Olivier Dumont, Carolina Carmo, Sylvain Quoilin, Vincent Lemort

Research output: Contribution to book/anthology/report/conference proceedingConference abstract in proceedingResearchpeer-review

Abstract

This paper presents an innovative building comprising a 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 Cycle (ORC). The solar roof is producing large amount of heat throughout the year. This allows covering the building annual heating needs and, furthermore, electricity is produced thanks to the surplus of heat in a so-called HP/ORC reversible unit. This paper focus on these three main points: sizing, experimentation and simulation of the reversible unit. First, an optimal sizing of the components and fluid R134a shows promising performance with a net electrical energy produced over one year reaching 4030 kWh. Following that, a prototype has been built and has proven the feasibility of the technology. Finally, a simulation code including the building, the ground heat exchanger, the thermal energy storage, the solar roof and the reversible HP/ORC unit is developed and allows to perform a sensivity analysis. Annual results show that this technology leads to a Positive Energy Building.
Original languageEnglish
Title of host publicationProceedings of ASME-ORC2015
Number of pages1
PublisherUniversity of Liège
Publication dateOct 2015
Publication statusPublished - Oct 2015
EventASME-ORC2015 - Bruxelles, Belgium
Duration: 12 Oct 201514 Oct 2015
http://www.asme-orc2015.be/

Conference

ConferenceASME-ORC2015
CountryBelgium
CityBruxelles
Period12/10/201514/10/2015
Internet address

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Rankine cycle
Roofs
Heat exchangers
Thermal energy
Energy storage
Electricity
Pumps
Heating
Fluids
Hot Temperature

Cite this

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. In Proceedings of ASME-ORC2015 University of Liège.
Dumont, Olivier ; Carmo, Carolina ; Quoilin, Sylvain ; Lemort, Vincent. / Modelling, experimentation and simulation of a reversible HP/ORC unit to get a Positive Energy Building. Proceedings of ASME-ORC2015. University of Liège, 2015.
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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. in Proceedings of ASME-ORC2015. University of Liège, ASME-ORC2015, Bruxelles, Belgium, 12/10/2015.

Modelling, experimentation and simulation of a reversible HP/ORC unit to get a Positive Energy Building. / Dumont, Olivier; Carmo, Carolina; Quoilin, Sylvain; Lemort, Vincent.

Proceedings of ASME-ORC2015. University of Liège, 2015.

Research output: Contribution to book/anthology/report/conference proceedingConference abstract in proceedingResearchpeer-review

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T1 - Modelling, experimentation and simulation of a reversible HP/ORC unit to get a Positive Energy Building

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AB - This paper presents an innovative building comprising a 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 Cycle (ORC). The solar roof is producing large amount of heat throughout the year. This allows covering the building annual heating needs and, furthermore, electricity is produced thanks to the surplus of heat in a so-called HP/ORC reversible unit. This paper focus on these three main points: sizing, experimentation and simulation of the reversible unit. First, an optimal sizing of the components and fluid R134a shows promising performance with a net electrical energy produced over one year reaching 4030 kWh. Following that, a prototype has been built and has proven the feasibility of the technology. Finally, a simulation code including the building, the ground heat exchanger, the thermal energy storage, the solar roof and the reversible HP/ORC unit is developed and allows to perform a sensivity analysis. Annual results show that this technology leads to a Positive Energy Building.

M3 - Conference abstract in proceeding

BT - Proceedings of ASME-ORC2015

PB - University of Liège

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Dumont O, Carmo C, Quoilin S, Lemort V. Modelling, experimentation and simulation of a reversible HP/ORC unit to get a Positive Energy Building. In Proceedings of ASME-ORC2015. University of Liège. 2015