Bruno Lacarrière

Bruno Lacarrière
Institut Mines-Télécom | telecom-sudparis.eu · Département Systèmes Énergétiques et Environnement

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63
Publications
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Publications

Publications (63)
Article
Full-text available
To decarbonize and increase the flexibility in the heating and electricity sectors, large heat pumps, combined heat and power plants, renewables and storage technologies are increasingly being installed. This results in a tighter coupling between the electricity and heat distribution networks. Hence, the two networks need to be operated in an integ...
Article
This paper presents a thermo-economic optimisation of an electrified district heating network consisting of wind power plant, gas-fired combined heat and power plant and heat pumps. The load flow problem of the resulting multi-energy system is formulated by considering all physical and operating parameters in both of the electricity and heat distri...
Article
District heating networks are commonly addressed in the literature as one of the most effective solutions for decreasing the greenhouse gas emissions from the building sector. These systems require high investments which are returned through the heat sales. Due to the changed climate conditions and building renovation policies, heat demand in the f...
Article
District Heating (DH) networks are getting closer to the concept of "Smart Grids" to deal with the contribution of new technologies and paradigms like Renewable Energy Sources, Distributed Generation and Storage, and Low-Temperature District Heating. This requires good anticipation of the system's dynamics with the objective of improving control. T...
Article
Full-text available
Trigeneration systems with Thermal storage (CCHP-TS) allow a distributed generation of energy. They also contribute to reducing greenhouse gas emissions by producing electricity, heating, and cooling from the same fuel. Current research targets their operational performance and feasibility. Nevertheless, expressing these concepts into standard crit...
Article
Full-text available
District heating networks are commonly addressed in the literature as one of the most effective solutions for decreasing the greenhouse gas emissions from the building sector. These systems require high investments which are returned through the heat sales. Due to the changed climate conditions and building renovation policies, heat demand in the f...
Article
Full-text available
This review paper organizes and summarizes the literature regarding climate change impacts on future building energy demand. The approaches used for the creation of future weather climate and building renovation scenarios, as well as building energy modeling at different scales, are evaluated. In general, it can be concluded that future heating dem...
Article
Full-text available
The present study deals with Multi-Energy Systems (MES) modelling and advanced control with Economic Model Predictive Control (EMPC). MES provide energy flexibility, efficiency, and adaptability thanks to several energy carriers. MES are identified as a lever for integrating renewable energy. A MES novel formulation technique called Multi-Prosumer...
Article
Full-text available
District heating networks are commonly addressed in the literature as one of the most effective solutions for decreasing the greenhouse gas emissions from the building sector. These systems require high investments which are returned through the heat sales. Due to the changed climate conditions and building renovation policies, heat demand in the f...
Conference Paper
Full-text available
District Heating (DH) networks are getting closer and closer to the concept of "Smart Grids" to deal with the contribution of new technologies and paradigms like Renewable Energy Sources, Distributed Generation, Low Energy Buildings, Distributed Storage and Low-Temperature District Heating. This requires good anticipation of the system's dynamics w...
Conference Paper
Full-text available
As part of an effort towards the future smart energy system, integration of different distributed generation technologies is proposed in literature. These technologies include heat pumps, gas boilers, combined heat and power (CHP) plants, solar photo-voltaic (PV) and so on. Some of these technologies couple different energy carriers in which case t...
Article
Approximately 30-40% of the total natural resources that are used in industrialized countries are exploited by the building sector, and almost 40% of the world’s consumption of materials converts into the built environment. Thus, improving the environmental performance of building sector could be crucial for reaching the sustainability of urban env...
Article
Full-text available
District heating networks are commonly addressed in the literature as one of the most effective solutions for decreasing the greenhouse gas emissions from the building sector. These systems require high investments which are returned through the heat sales. Due to the changed climate conditions and building renovation policies, heat demand in the f...
Article
Full-text available
The 4th generation Low-Temperature District Heating (LTDH) is envisioned as a more efficient and environmentally friendly solution to provide heating services to the building stock. Specifically, in countries already with a large share of well-established DH systems, conventional DH and LTDH technologies will be operating simultaneously in the near...
Article
Heat demand may decrease in the future due to changing weather conditions and building renovation policies, possibly impacting the efficiency and profitability of renewable heat production and distribution systems which are commonly proposed in the literature as an adequate measure for building sector emissions mitigation. In this work, the potenti...
Article
Low energy buildings (LEBs) are being considered as a promising solution for the built environment to satisfy high-energy efficiency standards. The technology is based on lowering the overall heat transmission coefficient value (U-value) of the buildings envelope and increasing a heat capacity thus creating a higher thermal inertia. However, LEB in...
Conference Paper
Full-text available
District heating networks are commonly addressed in the literature as one of the most effective solutions for decreasing the greenhouse gas emissions from the building sector. These systems require high investments which are returned through the heat sales. Due to the changed climate conditions and building renovation policies, heat demand in the f...
Article
Ethanol steam reforming (ESR) was performed over Pd-Rh/CeO2 catalyst in a catalytic membrane reactor (CMR) as a reformer unit for production of fuel cell grade pure hydrogen. Experiments were performed at 923 K, 6–10 bar, and fuel flow rates of 50–200 μl/min using a mixture of ethanol and distilled water with steam to carbon ratio of 3. A static mo...
Article
Full-text available
District Heating (DH) technology is an efficient and cost-effective solution to provide heating services to the built environment. However, the existing DH technology may not be technically and economically effective to service buildings with low energy demands. Here, low-temperature based district heating (LTDH) can provide a better match between...
Article
Changed weather conditions (increased outdoor air temperatures and solar radiation levels) caused by the climate change could decrease building heat demand in the future. Furthermore, improved building insulation levels implemented due to the new building energy efficiency legislation could further decrease the demand for heating services. The main...
Article
M-TES (Mobile Thermal Energy Storage) technology is explored in this paper for transportation of industrial surplus heat for use in LTDH (low temperature district heating network). LTDH has promising potential in utilizing low grade heat, on the other hand, 20%–50% of industry generated surplus heat is often released to the ambient environment. M-T...
Article
District heating networks are commonly assumed in the literature as an environmentally friendly solution for providing heating services for the built environment, due to the centralized heat production located outside urban centers and potential utilization of renewable heat sources (solar, geothermal etc.). However, the impacts associated with bot...
Conference Paper
Full-text available
Building sector is currently one of the major sources of CO 2 emissions. Considering that the largest proportion of energy in buildings in Europe is used for heating services, significant potential for emissions decrease could be exploited through heat demand reductions. The scope of this paper is to evaluate the impacts of changed climate and buil...
Article
Full-text available
Building's energy consumption prediction is a major concern in the recent years and many efforts have been achieved in order to improve the energy management of buildings. In particular, the prediction of energy consumption in building is essential for the energy operator to build an optimal operating strategy, which could be integrated to building...
Conference Paper
Ethanol steam reforming was performed in a catalytic membrane reactor (CMR) containing Pd-Ag membrane tubes selective to hydrogen and Pd-Rh/CeO2 catalyst. Experiments were performed at 923 K, 6-10 bar, and fuel flow rates of 50 to 200 µl/min using a mixture of ethanol and distilled water with steam to carbon ratio of 3. Moreover, dynamic experiment...
Conference Paper
The application of catalytic membrane reactors (CMRs) is beneficial for the production of fuel cell grade hydrogen via reforming processes because of a higher hydrogen yield compared to traditional reactors as a result of the shift effect and simultaneous production of ultra pure hydrogen in the case of a Pd-Ag membrane. Regarding the catalytic con...
Article
Recycling is considered as core element of the sustainable development. In reality, however, due to the physical and chemical limits of current recycling technologies, material and quality losses occur that affect the efficiency of recycling. This paper aims to assess the environmental performance of metallurgical recycling, from both a donor and u...
Conference Paper
Ethanol steam reforming (ESR) experiments over Pd-Rh/CeO2 catalyst were performed in a catalytic membrane reactor (CMR) at different temperatures and pressures, using a mixture of ethanol and water at various S/C ratios to resemble bio-ethanol. The reactor was filled in by the catalyst so that the membrane was fully covered to achieve the maximum a...
Conference Paper
The exergy efficiency and exergy destruction of a catalytic membrane reactor were evaluated based on inlet and outlet streams using experimental data. To calculate the exergy content of chemical species, three different parts i.e. physical exergy, chemical exergy, and exergy of mixing has been taken into account. For the system under study, ethanol...
Article
Emergy analysis is applied to closed-loop recycling processes. The emergy balance is written under the form of a discrete-time equation following a comparable approach to the Lagrangian particle tracking in fluid mechanics. Two material losses were taken into consideration, the first one at the level of treatment (collection, dismantling, recycling...
Article
Full-text available
In context of increasing use of renewable sources, it is of importance to correctly evaluate the actual sustainability of their implementation. Emergy analysis is one of the possible methods useful for such an assessment. This work aims to demonstrate how the emergy approach can be used to assess the sustainability of wind energy resource in Europe...
Article
Building energy consumption prediction has been a major concern in the recent years. The energy consumption in building is essential for building manager to manage the building energy management system (BEMS) and energy operator in making energy decision services. This paper proposes a building energy consumption prediction with novel pseudo dynami...
Conference Paper
Full-text available
District heating networks (DHN) are one of the most attractive solutions for providing heating services to constantly expanding urban areas. However, climate change, driven by the increasing global warming effect, could have significant impact on heating demand, and consequently put the feasibility and profitability of new DHN systems into question...
Conference Paper
Full-text available
The development of district heating (DH) systems is facing the challenge of servicing areas with lower energy demands whose connection might not be either effective or profitable if the conventional DH technology is used. The purpose of this paper is to propose a complementary approach on how to effectively service low-energy building (LEB) areas u...
Article
An exergy analysis of the ethanol steam reforming process using a Pd–Rh catalyst supported on ceria in a Pd–Ag membrane reactor has been performed based on experimental data. Both chemical and physical exergy for chemical species together with thermodynamic loss calculations have been considered to evaluate the exergy efficiency of the process. The...
Conference Paper
In this work, an exergy analysis of the ESR (Ethanol Steam Reforming) system is done based on experimental data obtained over a Pd-Rh supported on ceria catalyst in a Pd-based membrane reactor. Exergy analysis is a powerful tool to obtain deeper insight into the ESR process and its optimization. Both chemical and physical exergy for chemical specie...
Article
This paper presents the building heating demand prediction model with occupancy profile and operational heating power level characteristics in short time horizon (a couple of days) using artificial neural network. In addition, novel pseudo dynamic transitional model is introduced, which consider time dependent attributes of operational power level...
Data
Building energy consumption prediction has been a major concern in the recent years. The energy consumption in building is essential for building manager to manage the building energy management system (BEMS) and energy operator in making energy decision services. This paper proposes a building energy consumption prediction with novel pseudo dynami...
Article
Building energy consumption prediction has been a major concern in the recent years. The energy consumption in building is essential for building manager to manage the building energy management system (BEMS) and energy operator in making energy decision services. This paper proposes a building energy consumption prediction with novel pseudo dynami...
Article
The aim of this paper is to study via environmental indicators to which extent, replacing fossil fuel with biomass for heating is an environmentally friendly solution. The environmental impact of using biomass depends mostly on the transportation process. Authors define the notion of maximum supply distance, beyond which biomass transportation beco...
Article
With growing environmental concern, increasing urban population and energy needs, district heating networks are considered as a promising sustainable energy solution. They enable to combine several energy sources in order to bring cost-effective and environmentally friendly solutions. This paper presents a new flexible tool which can model various...
Article
While the emergy evaluation method has been used successfully in recycling processes, this area of application still requires further development. One of such is developing emergy ratios or indices that reflect changes depending on the number of times a material is recycled. Some of these materials may either have been recycled or reused continuous...
Article
Sensitivity analysis plays an important role in the understanding of complex models. It helps to identify influence of input parameters in relation to the outputs. It can be also a tool to understand the behavior of the model and then can help in its development stage. This study aims to analyze and illustrate the potential usefulness of combining...
Article
This paper is a contribution to the emergy evaluation of systems involving recycling or reuse of waste. If waste exergy (its residual usefulness) is not negligible, wastes could serve as input to another process or be recycled. In cases of continuous waste recycle or reuse, what then is the role of emergy? Emergy is carried by matter and its value...
Article
This work proposes a method for designing a human thermal environment. The aim is to determine the thermal surroundings (wall and air temperatures) of a complex enclosure that can provide a desired human thermal state. Such a mathematical process is called inverse modeling described by an ill-conditioned system of linear equations. This problem is...
Article
Vertically perforated bricks were developed with a view to building environmentally friendly houses since they make insulating materials unnecessary. By an experimental approach, this study proposes to analyze the propagation of a temperature signal in this kind of brick, in order to characterize the thermal inertia of the brick. The steady-state k...
Article
Vertically perforated bricks were developed with the view to building environmentally friendly houses since they make insulating materials unnecessary. Indeed, walls can be constructed without any other materials than clay and mortar. Furthermore, they offer better mechanical properties than horizontally perforated ones. However, heat transfer in t...
Article
Full-text available
This paper documents the heat transfer by natural convection in a high aspect ratio rectangular cavity. The problem is a two-dimensional one. We determine the effects of deformation of the side walls (bending inward) on the heat transfer rate. The problem is solved numerically using a fluid dynamics code. The perfectly rectangular cavity is first s...

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