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Portail > Offres > Offre UMR5008-CHROBR-003 - Post-doctorat en modélisation thermique et qualité d'air intérieur dans les bâtiments H/F

Post-doctoral position in building physics and indoor air quality modelling

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : lundi 2 novembre 2020

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General information

Reference : UMR5008-CHROBR-003
Workplace : VILLEURBANNE,VILLEURBANNE
Date of publication : Monday, October 12, 2020
Type of Contract : FTC Scientist
Contract Period : 18 months
Expected date of employment : 1 December 2020
Proportion of work : Full time
Remuneration : 2100 € net monthly wage
Desired level of education : PhD
Experience required : Indifferent

Missions

The research work will take place in the framework of the BHEE joint laboratory (High Energy Efficiency Buildings) binding the CETHIL laboratory (Centre for Energy and Thermal Sciences of Lyon) laboratory and the TREE department (Technology and Research for Energy Efficiency) of EDF R&D.
In the context of the digital transition, the building industry is today at the heart of a deep transformation. The development of BIM (Building Information Modelling) opens up new perspectives, making it possible to facilitate access to data and to develop digital services which will drive the different phases of building life cycle (design, operation, renovation). In the area of building simulation, the tools have now reached a high level of maturity, and the new challenges concern, for example, the scaling up from the building to the district, the coupled modelling of multi-physical phenomena (e.g. thermal and indoor air quality), or the integration of methods from the field of AI. These underlying trends, which concern both data and tools, provide an opportunity to better respond to the challenges of energy transition and to the objectives of reducing energy consumption and associated carbon impact in buildings, while guaranteeing the comfort and health of the occupants.
To support the operative entities of the EDF Group in the way to respond to these challenges, the MEB team (Modelling, Environment and Buildings), within the TREE department, has developed a toolchain allowing to perform a dynamic thermal simulation from a 3D digital model of a building. Downstream of this chain, two types of simulation tools can be used:
• Detailed system modelling (0D/1D) oriented tools, as BuildSysPro: a Modelica library which can be simulated dynamically with Dymola software. Very flexible, BuildSysPro allows to freely adapt the level of detail and the simulation options.
• Operational performance oriented tools, for use as a calculation core in support of operational services developed by the different entities of the EDF Group.
At the same time, a new set of detailed models have been developed in Modelica, making it possible to simulate the indoor air quality in buildings. Different types of pollutants can be modelled, such as humidity, CO2, particles, or formaldehydes.
The objective of the mission will be to participate in the development of these models, with the aim of integrating them into the existing tool chain, so as to expand its functionalities towards more multi-physics.

Activities

In collaboration with EDF R&D research engineers and academic partners, the person will participate in the development of indoor air quality models and in the clearing of various technical obstacles:
• Getting started with existing models, improving their structure, robustness and reliability,
• Integration of solutions for the optimization of the numerical resolution in order to guarantee acceptable calculation times with annual simulations,
• Consolidation of the validation of the results for the different physical phenomena modelled,
• Development of methods for the creation of an automated process for the simulation indoor air quality from a digital building model.

Skills

• Doctoral degree in building physics, energy or civil engineering.
• Expertise in heat transfer and energy applied to buildings.
• Expertise in 0D/1D complex systems modelling.
• Advanced skills in Modelica and Python programming.
• Good command of both French and English.

Work Context

The CETHIL is a public research laboratory located at Campus de la Doua in Villeurbanne (France) affiliated to three institutions: INSA Lyon, CNRS and Université Claude Bernard Lyon 1.
The post-doctoral researcher will join the THEBE team (Thermal and Energy Sciences Applied to the Buildings and their Environment). Work will mainly take place at the EDF Lab Les Renardières in Moret-Loing-et-Orvanne (France) in collaboration with an EDF R&D team focussing on energy simulation tools and in building technologies (envelope, indoor air quality). The researcher will be at the heart of the building energy efficiency topic, with challenges centred on reducing CO2 emissions and developing solutions dedicated to both existing and new buildings.

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