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Theses

Modélisation des solutions de micro-cogénération en vue de leur intégration optimale au sein des bâtiments

Abstract : Micro-cogeneration allows simultaneous production of heat and electricity with high total efficiency and can therefore lower primary energy consumption of buildings. Various technologies are available on the market such as internal or external combustion engines, gas turbines or fuel cells. Adaptation of micro-cogeneration units to residential and commercial buildings is difficult due to their high investment cost and intermittent thermal and electrical loads. Difficulties are mainly related to sizing, integration into hydraulic installation (including auxiliary burner and energy storages) and controls. The aim of this thesis is to develop tools to assist in the development of micro-cogeneration in residential and commercial buildings. These tools help to choose the units, its sizing and technical integration into the building. The work achieved in this thesis is based on both experimental and numerical studies of multiple micro-cogeneration technologies. Two units (internal combustion engine and gas turbine) were tested. We developed numerical models computing performances in dynamic and stationary operating conditions for five different technologies. These models take place in a platform modeling building envelop, HVAC installation with regulation and occupants. Simulations from this platform were successfully compared with real data from building integrated micro-cogenerations. We carried out sensitivity analysis and parametric studies to determine most important design parameters. Compared to simpler sizing tools, our platform allows to design installations based on a detailed evaluation of operating conditions (cycles, operating time, performance degradation…).
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Submitted on : Wednesday, March 24, 2021 - 9:54:24 AM
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  • HAL Id : tel-03178934, version 1

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Romain Bonabe de Rougé. Modélisation des solutions de micro-cogénération en vue de leur intégration optimale au sein des bâtiments. Energie électrique. Université Paris sciences et lettres, 2018. Français. ⟨NNT : 2018PSLEM091⟩. ⟨tel-03178934⟩

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