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PhD position - Study and Optimisation of combined cold and heat production for thermal networks
CEA Tech
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JOB DETAILS
Published: 3 days ago
Application deadline: Oct 31
Location: Grenoble, France
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PhD position - Study and Optimisation of combined cold and heat production for thermal networks

SL-DRT-19-0877

RESEARCH FIELD

Mathematics - Numerical analysis - Simulation

ABSTRACT

Heating demand represents a major part of the total energy consumption (about 40% in France for example). In parallel, residential and tertiary cold demand keeps increasing (+80% for the next 10 years at the European scale). Moreover, the ever-increasing integration of photovoltaic or wind electricity may eventually lead to over voltage and thus instabilities of the power grid. Finally, it is well proven that energy storage is more efficient and cheaper using thermal rather than electrical means. Thus, smart synergies must be found between these two energy carrier. In that context, the present PhD thesis aims at studying the combined production of cold and heat for District Thermal Networks (DTN) using a thermal/electrical co-optimization framework.First, we will focus on the different production/conversion technologies available for the thermal and electric carriers such as simultaneous heating and cooling heat pumps (SHC-HP), absorption heat pumps (A-HP), electrical resistance, etc… and for storage. We will define the advantages and breakdowns of each system depending on the domain of application. The most promising system in terms of applicability will be then studied in details in a second phase. We will particularly develop a sizing methodology, based on MILP methods (Mixed Integer Linear Programming). With the latter, the potential conflictual objectives of production (heat vs cold) will be accounted for in the problem formulation and thus in the sized system. To do so, a physico-mathematical systematic approach accounting for uncertainties will be implemented. Finally, we will study the system from an operational point of view both numerically and experimentally, notably to evaluate the real level of performance of the sized system.

LOCATION

Département Thermique Biomasse et Hydrogène (LITEN)

Laboratoire Systèmes Solaires Haute Température

Grenoble

CONTACT PERSON

LAMAISON Nicolas

CEA

DRT/DTBH//LSHT

50 Avenue du Lac Léman 73375 Le Bourget du Lac (FRANCE)

Phone number: 0479792153

Email: nicolas.lamaison@cea.fr

UNIVERSITY / GRADUATE SCHOOL

Nantes

Sciences pour l'Ingénieur, Géosciences, Architecture (SPIGA)

START DATE

Start date on 01-10-2019

THESIS SUPERVISOR

LACARRIERE Bruno

IMT Atlantique

IMT AtlantiqueDept.Energy Systems and EnvironnementUMR CNRS GEPEA4 rue Alfred Kastjer44307 Nantes Cedex 3

Phone number: 02-51-85-82-14

Email: Bruno.Lacarriere@mines-nantes.fr

« The age limit is 26 years for PhD offers and 30 years old for post-doc offers. »

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