Sensitivity analysis of coating mortars according to their specific heat, specific gravity, thermal conductivity, and thickness in contribution to the global thermal performance of buildings

Mendes, Vítor Freitas; Fardin, Welington; Barreto, Rodrigo Rony; Caetano, Lucas Fonseca; Mendes, Júlia Castro

doi:10.1016/j.susmat.2021.e00381

Cited by 10 publications

(3 citation statements)

References 28 publications

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“…The thicker the material, the longer the heat transfer path, which leads to more media or heat transfer interfaces for the heat to pass through during the transfer process, thus increasing the resistance to heat transfer; that is, there is more heat loss during the transfer process. Also, when exposed to external heat radiation, the coating can absorb a certain amount of heat energy and store it to some extent 35 . As the coating's thickness increases, it can absorb more thermal radiation and store more thermal energy in a short period, which will increase the coating's thermal radiation capacity 36 .…”

Section: Resultsmentioning

confidence: 99%

“…Also, when exposed to external heat radiation, the coating can absorb a certain amount of heat energy and store it to some extent. 35 As the coating's thickness increases, it can absorb more thermal radiation and store more thermal energy in a F I G U R E 7 Contact angle and droplet state of CGM@P with different coating thicknesses.…”

Section: Thermal Insulation Analysismentioning

confidence: 99%

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Study on the performance and application of coatings based on chitosan/gelatin/microbeads composite aerogel

Lin,

Sun,

Chen

et al. 2023

Packag Technol Sci

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Plastic reduction regulations have resulted in the gradual replacement of traditional food plastic packaging materials with biodegradable and recyclable paper‐based ones. However, paper is prone to water absorption and moisture damage, and it has poor insulation properties, which can impact food quality and user experience. Recently, biopolymers have gained wide interest as the main substrate for paper coatings, providing various qualities for paper‐based materials to meet food packaging requirements. The coating based on chitosan/gelatin/microbeads composite aerogel prepared in this study not only possesses inherent antimicrobial and preservation properties but also enhances the cardboard's mechanical strength, hydrophobicity, and thermal insulation effect after coating on cardboard. When the coating thickness was 30 μm, the tensile strength of the cardboard was enhanced by 0.65 kN/m, the contact angle increased by 19.3°, and the thermal conductivity coefficient decreased by 0.024 W·m−1·K−1. Therefore, the biopolymer composite coating developed in this study provides an eco‐friendly substitute for plastic coatings on cardboard. In addition to bacteriostatic and preserving freshness, it can also address paper‐based material shortcomings, ensuring food quality and safety with comprehensive packaging protection.

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Section: Resultsmentioning

confidence: 99%

Section: Thermal Insulation Analysismentioning

confidence: 99%

Study on the performance and application of coatings based on chitosan/gelatin/microbeads composite aerogel

Lin,

Sun,

Chen

et al. 2023

Packag Technol Sci

View full text Add to dashboard Cite

show abstract

“…A envoltória das edificações influencia o seu desempenho térmico e eficiência energética, o que, por sua vez, afetará o conforto dos usuários e o consumo de energia (1) . Propriedadeschave da argamassa, como espessura, calor específico e condutividade térmica, têm impacto no desempenho térmico das edificações (2) . A microestrutura, sistema de poros e composição química dos agregados são fatores que influenciam as propriedades da argamassa (3) .…”

Section: Introductionunclassified

Argamassas Isolantes Térmicas Produzidas Com Resíduos

MARTIN,

MARQUES,

CASTRO

et al. 2023

Simpósio Brasileiro De Tecnologia Das Argamassas

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O presente trabalho desenvolveu argamassas de revestimento termoisolantes a partir da substituição completa do agregado natural pelo Quartzito Friável (QF) e Pó de Escória de Aciaria (PEA), resíduos da mineração de quartzito e siderurgia, respectivamente. Para melhor caracterização do QF e PEA, foram realizadas análises físicas, químicas e mineralógicas. Em sequência, foram preparadas argamassas com cimento, cal, aditivo incorporador de ar e duas adições de PEA: 5% e 10%. As argamassas foram submetidas a ensaios nos estados fresco e endurecido para obtenção de suas propriedades. A argamassa com 5% de PEA apresentou a menor condutividade e o maior calor específico. Com base nos resultados, a utilização desses resíduos mostra-se tecnicamente viável para melhorar o desempenho térmico das edificações no Brasil.

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Thermal insulating coating mortars with mining and steel residues and the proposition of a “thermal insulating admixture”

Martins,

Marques,

Elói

et al. 2024

J Mater Cycles Waste Manag

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Sensitivity analysis of coating mortars according to their specific heat, specific gravity, thermal conductivity, and thickness in contribution to the global thermal performance of buildings

Cited by 10 publications

References 28 publications

Study on the performance and application of coatings based on chitosan/gelatin/microbeads composite aerogel

Study on the performance and application of coatings based on chitosan/gelatin/microbeads composite aerogel

Argamassas Isolantes Térmicas Produzidas Com Resíduos

Thermal insulating coating mortars with mining and steel residues and the proposition of a “thermal insulating admixture”

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