Bruno Malet-Damour

University of Reunion Island · Laboratory of Physics and Mathematical Engineering for Energy and the Environment (PIMENT)

This article aims to determine an efficient way to create a low-tech rain-powered triboelectric generator. The harvester can be useful to power some low power devices (sensors, lights, IoT…) or to compensate for other energy sources in building for example. For this purpose, a fluid flow triboelectricity is studied. So, a setup that aims to measure...

Our study explores the utilization of a phase change material (PCM) to optimize energy efficiency and thermal comfort in buildings in tropical climates. Employing a comprehensive multi-scale approach, this research encompasses both microscopic and macroscopic analyses to rigorously evaluate the PCM’s performance under various environmental conditio...

Researchers studying urban climates aim to understand phenomena like urban heat islands (UHIs), which describe temperature differences between urban and rural areas. However, studies often lack numerous measurement points and frequently overlook parameters like radiation and air velocity due to the high cost of precision instrumentation. This resul...

This article investigates the hygrothermal properties of earth-based materials by analyzing experimental data from 88 articles spanning 32 countries worldwide. The focus is determining effective techniques for leveraging the use of excavated soil in construction, particularly emphasizing enhancement of hygrothermal comfort in specific climates. Bas...

Adopting a multiscale approach is crucial for optimizing urban and building performance, prompting inquiries about the link between a technology’s local efficiency (building scale) and its broader impact (city-wide). To investigate this correlation and devise effective strategies for enhancing building and city energy performance, we experimentally...

This paper addresses the plastic waste management challenge by proposing a sustainable solution for the building sector. The proposed solution uses Loose-Fill Plastic Waste (LFPW) as a thermal insulation material, the world’s first in plastic waste recovery. To investigate the potential of this new path, an experimental study was conducted on test...

Research on the links between thermal and visual perception is an ever-evolving field aimed at exploring how one modifies the other. The findings can enhance buildings’ energy performance and the occupants’ well-being. Based on a screening methodology on a substantial article database, this review article provides an overview of the current state o...

In the context of global warming, Phase change materials (PCMs) arise a growing interest in the scientific and industrial communities because it fits very well with the policy of reducing energy consumption that many countries must face. They are natural or synthetic substances with the peculiarity of storing and releasing thermal energy through th...

Achieving thermal comfort for the building occupant often means increasing energy consumption. A detailed understanding of the thermal perception of the occupant would allow the development of new approaches better to achieving comfort by energy sobriety. The work presented here is part of this context. This article presents the fabrication of a da...

The accumulation of plastic waste in nature and the oceans results from management policies that have not been able to find efficient and sustainable solutions. The circular economy is the basis of the current political will, willing to be the most virtuous. However, its implementation still seems conceptual, especially in the case of island territ...

Studying construction materials' thermo-optical properties (i.e., thermal conductivity, optical reflectance, optical transmittance, and optical absorbance) is essential for improving human comfort within a building. Typically, these properties are measured independently using specific equipment. The emerging of new innovative construction structure...

This study is being conducted to evaluate the effects of Phase Change Materials (PCM) on thermal comfort in buildings in Reunion Island. Experimental and numerical approaches are used to determine the criteria for the integration of bio-based PCM. A full-scale platform is divided into two rooms, where a layer of PCM is applied to one surface of the...

Humans in the 21st century spend nearly 90% of their time in an indoor environment. This environment is far from the one in which humans have developed their physiological adaptation and regulation mechanisms. The indoor environment must be optimized for wellbeing and cognitive performance with an anthropocentric and multidisciplinary approach. The...

Humans in the 21st century spend nearly 90% of their time in an indoor environment. This environment is far from the one in which humans have developed their physiological adaptation and regulation mechanisms. The indoor environment must be optimized for well-being and cognitive performance with an anthropocentric and multidisciplinary approach. Th...

This study is being conducted to evaluate the effects of Phase Change Materials (PCM) on thermal comfort in buildings in Reunion Island. Experimental and numerical approaches are used to determine the criteria for the integration of bio-based PCM. A full-scale platform is divided into two rooms, where a layer of PCM is applied to one surface of the...

Light holds an important place in the way of life of humans. The first type of lighting which could be exploited was daylight. Tubular Daylight Guidance Systems (TDGS) transport and distribute this daylight inside a building. This article focuses on one of the best known: the Mirrored Light Pipe. MLPs are multiple specular reflectance transporters....

Les conduits de lumière de type MLP (Mirrored Light Pipe) permettent de transporter et de distribuer de la lumière naturelle dans des pièces sombres éloignées des ouvertures traditionnelles. Ils offrent l'avantage de réduire au minimum la perte de lumière, tout en limitant la transmission de chaleur. Ils font partie de la catégorie des convoyeurs à...

https://advanceseng.com/lighting-paying-once-time-light-pipe/

T.D.G.S., "Tubular Daylight Guidance Systems", are natural lighting processes based on the transport of light. In 1990, they were judged by Littlefair as the most innovative technology in daylighting [1]. From 1982 to 2020, this paper is a state of the art on the different processes of tubular daylight guide systems. The keywords used to carry out...

T.D.G.S., “Tubular Daylight Guidance Systems”, are natural lighting processes based on the transport of light. In 1990, they were judged by Littlefair as the most innovative technology in daylighting [1]. From 1982 to 2020, this paper is a state of the art on the different processes of tubular daylight guide systems. The key words used to carry out...

The "VCP Lsa" is a specific kind of green-roof specially developed for light-weight structures with steep slopes under tropical climates. The "VCP Lsa" acronym stands for Vegetalized Complex Partition type Ligneous over Structure and Air gap. Comparatively to a traditional extensive green roof the VCP Lsa is easy to install and allows to reach an h...

This paper focuses on the part of Tubular Daylight Guide Systems (TDGS): the Mirrored Light-Pipe (MLP). MLP is part of the multiple specular reflection conveyors. They allow daylight to be transported and distributed in dark rooms far from traditional openings while limiting heat transmission. It involves collecting, concentrating, and diffusing su...

In tropical environments, the design of bioclimatic houses adapted to their environment represents a crucial issue when considering thermal comfort and limiting energy consumption. A preliminary aspect of such design endeavors is the acquisition of accurate knowledge regarding the climatic conditions in each region of the studied territory. The obj...

This presentation proposes the first results of a new approach to climate zoning in Madagascar. The approach combines a multivariate approach and spatial interpolation from the GIS. The results are then applied to the thermal simulation of traditional houses in Madagascar.

Windows are central in architecture and they play a significant role in the energy consumption of buildings, particularly in hot climates, where overheating is a critical issue. Innovative glazing technologies, like thermochromic (TC) glazing, could help to overcome those issues. This article aims to identify both the influence and the importance o...

Windows are central in architecture and they play a significant role in the energy consumption of buildings, particularly in hot climates, where overheating is a critical issue. Innovative glazing technologies, like thermochromic (TC) glazing, could help to overcome those issues. This article aims to identify both the influence and the importance o...

Windows are central in architecture and they play a significant role in the energy consumption of buildings, particularly in hot climates, where overheating is a critical issue. Innovative glazing technologies, like thermochromic (TC) glazing, could help to overcome those issues. This article aims to identify both the influence and the importance o...

Nowadays, given the high cost of an experimental phase and to validate the developed models, the calculator is used by more and more researchers. However, experimentation is a major step to validate any model. To get some accurate data, the devices must be efficient. That is why their prices is very expensive. To overcome this problem, researchers...

Daylight offers many possibilities. Its proper use is a major asset to develop the design, energy and environmental quality of a building but also improve the physiological and psychological conditions of the user. New emerging devices, offer the opportunity to improve visual comfort while, providing energy savings. The light pipes are considered a...

In a concerning global energy context, the construction industry must be able to respond both in terms of energy management and the comfort of its buildings’ occupants. In this context, innovative devices using daylighting can provide an obvious answer. The Tubular Devices Guide Systems (TDGS) are innovative daylighting processes based on light tra...

Designing a building with comfort and energy conservation concerns is a key issue. In the alarming global context, both on energy-climate that the building sector is singled out. In France, the lighting is among the poor performers compared to other European countries. The country lags behind in quality tertiary or residential lighting in terms of...

The use of phase change materials (PCMs) as a building integrated thermal storage may contribute to improving building energy performances. This article focuses on the integration of PCMs in the roof with a non-ventilated air layer, in order to assess thermal performances of a dedicated test cell, especially for thermal comfort. An experimental equ...

This paper deals with the empirical validation of a building thermal model using a phase change material (PCM) in a complex roof. A mathematical model dedicated to phase change materials based on the heat apparent capacity method was implemented in a multi-zone building simulation code, the aim being to increase understanding of the thermal behavio...

Concevoir un bâtiment avec des préoccupations de confort et de maitrise de l'énergie est un enjeu primordial. Dans le contexte mondial alarmant, tant sur le plan énergétique que climatique, le secteur du bâtiment est pointé du doigt. En France, l'éclairage fait partie des mauvais élèves comparés aux autres pays européens. Le pays accuse un certain...

Concevoir un bâtiment avec des préoccupations de confort et de maitrise de l'énergie est un enjeu primordial. Dans le contexte mondial alarmant, tant sur le plan énergétique que climatique, le secteur du bâtiment est pointé du doigt. En France, l'éclairage fait partie des mauvais élèves comparés aux autres pays européens. Le pays accuse un certain...

This article deals with a new configuration of a complex roof using a phase change material (PCM) installed on a dedicated test cell. For the first time and in field conditions, an experimental device using phase change material was set up at Reunion Island, location having a tropical and humid climate. Results show that in the tested configuration...

Ce poster présente les travaux de thèse de Bruno Malet-Damour initiés en novembre 2012. Sa thèse traite de la modélisation des phénomènes physiques liés à l'éclairement. Plus précisément, le sujet s'oriente vers la prédiction des performances de dispositifs innovants tels que les conduits de lumière. Ce procédé est couramment installé sur les bâtim...

Buildings in Reunion Island have different thermal performances so the thermal energy storage should be enhanced. Using phase change materials in the building envelope could be a solution. These materials are able to increase the low thermal mass of lightweight constructions in order to improve human comfort, maintaining the building ambient therma...

CODYRUN is a multi-zone software integrating thermal building simulation, airflow, and pollutant transfer. Described in numerous publications, this software was originally used for the passive designof buildings, both for research and teaching purposes.In this context, the datatreatedwere mainly concerned with volumes (zones), surfaces andthickness...

The light pipes are innovative devices able to transport and distribute natural light without heat transfer in dark rooms. There are a lot of natural lighting applications able to predict the behaviour of light in a room through a traditional opening. Only few of them are able to model complex systems such as daylight guidance systems. Added to thi...

Dans le secteur du bâtiment, le stockage de l'énergie thermique est un enjeu primordial. C'est dans cet objectif que les matériaux à changement de phase (MCP) ont émergé pour renforcer l'inertie thermique des bâtiments à structures légères et pour les permettre d'atteindre de hautes performances énergétiques. Dans cet optique, cet article présente...

Les conduits de lumière de type MLP (Mirrored Light Pipe) permettent de transporter et de distribuer de la lumière naturelle dans des pièces sombres éloignées des ouvertures traditionnelles. Ils offrent l’avantage de réduire au minimum la perte de lumière, tout en limitant la transmission de chaleur. Ils font partie de la catégorie des convoyeurs à...

The work presented in this paper aims to compare two different climates in Australia and Reunion Island and to identify the similarities in terms of bioclimatic design of low energy building. This approach is to perform a real evaluation of the sensation of thermal comfort in the workplace for different climates on the basis of the "bioclimatic cha...