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Caractérisation physico-chimique des particules issues du chauffage domestique au bois

Abstract : The issue of the emissions of fine particles, known for their health and environmental hazards, has been significantly covered in recent years. The governments made the decision to help mainly financially the private individuals in order to renew the domestic appliances stock. However, a non-optimized use of an energy-efficient appliance can degrade system performances. In order to solve this issue, many experimental campaigns have been achieved through complete and innovative physicochemical characterizations of the smoke, especially of the fine particles : Scanning Electron Microscope, X-ray microanalysis and assessment of the constitutive Carbon (Elemental Carbon, Organic Carbon). First of all, the definition of the use parameters for the appliance and their impacts allowed offering a significant reduction of the fine particles emissions. In this work, the influences of the parameters such as the nature of the fuel, the ignition mode and the air secondary injection were in this way quantified. In order to better understand the origin of these emissions produced regardless of the combustion quality, the mechanisms of formation of all kinds of particles were defined. In a second phase, this work paid attention to the evolution of the characteristics of particles from the combustion room to the near-field. This enabled to go over the classic normative study. New knowledge on particles was brought to light, helping to better know the particles generation from domestic wood appliances. This could allow in the future to create some specific and efficient treatment systems
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  • HAL Id : tel-01540767, version 1

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Benoît Brandelet. Caractérisation physico-chimique des particules issues du chauffage domestique au bois. Thermique [physics.class-ph]. Université de Lorraine, 2016. Français. ⟨NNT : 2016LORR0287⟩. ⟨tel-01540767⟩

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