Experimental thermal properties characterization of insulating cork–gypsum composite

Cherki, A.; Rémy, Benjamin; Khabbazi, Abdelhamid; Jannot, Yves; Baillis, Dominique

doi:10.1016/j.conbuildmat.2013.12.076

Cited by 113 publications

(47 citation statements)

References 16 publications

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“…Research activities on these materials are increasing these last years. Among them, some works in literature are focused on the thermal characterization of green insulating porous material [1,2] such as cellulose based aerogel [3,4], and composite materials using natural fibers such as Hemp shives [5][6][7][8], Flax and straw rape [8], granular cork [9,10] and palm date fibers [1,2,11,12]. Currently, composite materials have various applications in buildings; in walls, floors and roofs for insulation.…”

Section: Introductionmentioning

confidence: 99%

Thermal Properties of New Insulating Juncus Maritimus Fibrous Mortar Composites/Experimental Results and Analytical Laws

et al. 2019

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This study aims to study the thermal properties and the microstructure of composite materials based on mortar combined with Juncus maritimus fibers. Effective thermophysical properties of the composite materials containing Juncus maritimus fibers are experimentally and theoretically investigated. To better understand the morphology of these new composites, the corresponding microstructures were characterized in 2D by scanning electron microscope and in 3D using micro computed tomography. The local thermal conductivity of the Juncus maritimus fibers was identified using theoretical models and experimental measurement of the effective thermal conductivity of packed bed of crushed fibers. The thermal conductivity of the mortar matrix at given porosity was also determined using experimental measurement data and a theoretical model. The most appropriate analytical laws to predict effective thermal conductivity of mortar composites containing fibers are deduced from experimental thermal conductivity results.

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Section: Introductionmentioning

confidence: 99%

Thermal Properties of New Insulating Juncus Maritimus Fibrous Mortar Composites/Experimental Results and Analytical Laws

et al. 2019

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“…Totally, 6 room heaters are associated in series to control power system which is utilized as a heat source to heat one face of the selected specimen. Thermocouples were connected by sticky tape onto the zone on which the heat was connected [27][28][29][30][31][32]. Experimental setup had all out nine thermocouples and three advanced multimeter for presentation.…”

Section: Experimental Programmentioning

confidence: 99%

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2019

IJEAT

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Construction of housing with levels of popularity on energy saving is the most significant tasks. Lessening the thermal raise during the rooftop and divider boards is the most ideal advance to manage declining energy usage and to giving thermal help to the customers of private or business structures. Thermal insulation of buildings assumes a vital function in upgrading the comfort level of tenants by lessening the temperature of the building. In this investigation, we focused to reduce the thermal qualities in building by protecting polystyrene material in roof ceilings and wall panels. Here, we investigate the temperature among two climatic conditions i.e. summer and winter. The temperature is noted for 3 hours with 10 minutes interval for totally 40 specimens. Different types of specimens are used i.e. Reinforced Cement concrete (RCC) and Fiber Reinforced Concrete (FRC) specimens based on treated and untreated with insulating materials. The experimental results are validated by using training based Optimal Neural Network (ONN); here the ONN structure is trained with the help of Levenberg- Marquardt (LM) algorithm. The optimization predicted temperature for each specimen with Minimum Error Rate (MSE) compared to existing approaches.

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“…Plusieurs études ont été menées sur des matériaux locaux tels que l'argile et le plâtre consolidés avec des produits de nature végétale ou animale. Cherki et al [1] ont étudié les propriétés thermiques d'un matériau isolant à base du liège et du plâtre. L'effet des fibres d'alfa sur les caractéristiques thermophysiques de l'argile a été mis en évidence par Elhamdouni et al [2].…”

Section: Introductionunclassified

Thermal characterization of a new effective building material based on clay and olive waste

et al. 2018

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Abstract. The influence of thermophysical properties of wall materials on energy performance and comfort in traditional building was investigated. The clay is the most commonly used sustainable building material. The study looked at the effects of the addition of pomace olive on the thermophysical properties of clay bricks to improve the energy efficiency of this ecological material. An experimental measurement of thermal properties of clay mixed with pomace olive was carried out by using the transient and steady state hot-plate and flash methods. The experimental methods are applied to measure the thermal properties of the composite material. The estimation of these thermal characteristics is based on a one dimensional model and the experimental errors are found less than 3%. The composite samples were prepared with different granular classes and mass fractions of the pomace olive in the mixture. The results show that the density of the new material was not substantially influenced by the size of the pomace olive. However, the thermal conductivity and diffusivity decrease from 0.65 W.m -1 .K -1 and 4.21×10 -7 m 2 .s -1 to 0.29 W.m -1 .K -1 and 2.47×10 -7 m 2 .s -1 , respectively, according to the variation of the volume fraction of pomace olive from 0 (pure clay) to 71% showing that the olive pomace can be used as effective secondary raw materials in the making of clay bricks.

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Experimental thermal properties characterization of insulating cork–gypsum composite

Cited by 113 publications

References 16 publications

Thermal Properties of New Insulating Juncus Maritimus Fibrous Mortar Composites/Experimental Results and Analytical Laws

Thermal Properties of New Insulating Juncus Maritimus Fibrous Mortar Composites/Experimental Results and Analytical Laws

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Thermal characterization of a new effective building material based on clay and olive waste

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