Influence thermique de l’emplacement du toit en chaume sous le toit en tôle d’un habitat à Antananarivo- Madagascar

Robelison, Solofonirina; Lips, B.

doi:10.4314/afsci.v4i3.61693

Cited by 2 publications

(2 citation statements)

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“…They rely on several charts to represent thermal comfort zones, depending on different variables. In the case of Madagascar, a limited number of studies investigated the most suitable comfort models that can be applied in new construction (Robelison & Lips, 2008).…”

Section: Estimating Thermal Comfortmentioning

confidence: 99%

Analysis tool for bioclimatic design strategies in hot humid climates

Attia

Lacombe

Rakotondramiarana

et al. 2019

Sustainable Cities and Society

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Housing projects design in cities should be based on an understanding of the urban local climate; selection of fitto-purpose thermal comfort models and implementation corresponding design guidelines and best practices. In this context, we developed an analysis tool for bioclimatic design recommendations for architects in Madagascar. The aim of this tool is to support the decision-making process of architects and urban planners by proposing environmental design guidelines for Antananarivo and Toamasina, the two largest cities on the island. Firstly, we performed a climate zoning of the island based on altitude, solar irradiation and dry bulb temperature. Secondly, we developed a bioclimatic analysis based on temperature and humidity levels. The results show that ASHRAE adaptive comfort model is the best model for both cities because it can tolerate higher humidity limits of up to 80% or more. The natural comfort potential varies from 22 in Antananarivo to 45% in Toamasina. Results can be used to create informative bioclimatic analysis visualisations to better assess climate and determine thermal comfort models for other cities in hot-humid climates. The capabilities of the tool allow architects and urban planners to better understand the climate and propose practical design guidance.

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Section: Estimating Thermal Comfortmentioning

confidence: 99%

Analysis tool for bioclimatic design strategies in hot humid climates

Attia

Lacombe

Rakotondramiarana

et al. 2019

Sustainable Cities and Society

View full text Add to dashboard Cite

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“…The inertia capacity of a material measures its ability to store heat and postpone its restitution [23].…”

Section: • Inertiamentioning

confidence: 99%

Numerical Simulation of Heat Exchanges for a Desert House Type ADRAR

Oudrane

Aour

2017

AEF

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The main objective of this work is to study the thermal exchanges in a habitable enclosure located in a desert region of Algeria (Adrar). This latter is considered as an air volume of parallelepiped shape limited by horizontal and vertical flat walls. The walls are the only capacitive elements of the enclosure. They are thermally coupled by convection and radiation and are the seat of conductive flux. The external facades of the enclosure are the seat of a convective flux with the external air and radiative exchanges with the environment (ground and sky). Openings (cracks, sealing defects, infiltration orifices, renewal orifices, etc.) allow the air to circulate inside the habitable enclosure and between the inside and the outside. Thermal exchanges are studied using the balance equations established at each wall of the enclosure. These equations have been discretized by an implicit finite difference method. The systems of algebraic equations thus obtained have been solved by the Gauss algorithm using the nodal method. The effects of the outdoor ambient temperature, the density of the incident solar flux on the facades and the orientation of the habitable enclosure in the meridian plane on the temperature distributions of the internal walls and the filled air in the enclosure havec been analyzed on the basis of recent climate data measured at the ADRAR Saharan Renewable Energy Research Unit. An analysis of the evolution of the internal ambient temperature as a function of the wind exposure factor of the heated space and of the degree of leaktightness of the doors and windows was also carried out at the end of this work. An acceptable agreement was found between the numerical results and those measured by the radiometric station. Moreover, the results obtained show that the building material used in this region causes undesirable overheating due to its thermal inertia.

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Influence thermique de l’emplacement du toit en chaume sous le toit en tôle d’un habitat à Antananarivo- Madagascar

Cited by 2 publications

References 0 publications

Analysis tool for bioclimatic design strategies in hot humid climates

Analysis tool for bioclimatic design strategies in hot humid climates

Numerical Simulation of Heat Exchanges for a Desert House Type ADRAR

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