Characteristics of cement-based thermo-concretes containing capric acid impregnated hemp for thermal energy storage and sound isolation in buildings

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dc.authoridSubasi, Serkan/0000-0001-7826-1348
dc.authoridGULER, Onur/0000-0002-9696-3287
dc.authoridHekimoglu, Gokhan/0000-0002-0991-6897
dc.contributor.authorGencel, Osman
dc.contributor.authorGuler, Onur
dc.contributor.authorUstaoglu, Abid
dc.contributor.authorErdogmus, Ertugrul
dc.contributor.authorSari, Ahmet
dc.contributor.authorHekimoglu, Gokhan
dc.contributor.authorBoztoprak, Yalcin
dc.date.accessioned2025-10-11T20:48:34Z
dc.date.available2025-10-11T20:48:34Z
dc.date.issued2025
dc.departmentDüzce Üniversitesien_US
dc.description.abstractEnhancing the lightweight structure, insulation, and thermal storage capacity of concrete is critical for energy efficiency and environmental impact reduction. The innovative application of using waste hemp shives as a phase change material (PCM) carrier in cementitious composites was performed in this study to enhance sustainable construction practices. Although previous studies have incorporated lightweight aggregates and PCMs, challenges such as PCM leakage and the reliance on synthetic materials have limited their effectiveness. This study utilized waste hemp shives as a natural porous support for capric acid (CA) PCM in diatomite-based lightweight concrete, offering an eco-friendly and leakage-resistant solution with improved thermal and acoustic performance. No leakage was observed in shape-stabilized hemp/CA composites with 45 wt% CA. The melting and solidification temperatures were determined as 30.6 degrees C and 28.7 degrees C, with corresponding enthalpy values of 80.9 and 80.8 J/g, respectively. Concrete composites containing hemp/PCM reduced indoor temperatures by up to 4 degrees C compared to control samples. Moreover, composites with 30 % hemp/PCM content achieved sound absorption coefficients up to 0.6 and transmission loss values exceeding 24 dB, demonstrating their dual functionality for thermal energy conservation and acoustic comfort in building applications.en_US
dc.identifier.doi10.1016/j.energy.2025.136837
dc.identifier.issn0360-5442
dc.identifier.issn1873-6785
dc.identifier.scopus2-s2.0-105006728202en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.energy.2025.136837
dc.identifier.urihttps://hdl.handle.net/20.500.12684/21986
dc.identifier.volume329en_US
dc.identifier.wosWOS:001504590900004en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.ispartofEnergyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.snmzKA_WOS_20250911
dc.subjectHempen_US
dc.subjectPhase change materialen_US
dc.subjectThermo-concreteen_US
dc.subjectThermal energy storageen_US
dc.subjectEnergy and energy efficiencyen_US
dc.subjectBiomassen_US
dc.titleCharacteristics of cement-based thermo-concretes containing capric acid impregnated hemp for thermal energy storage and sound isolation in buildingsen_US
dc.typeArticleen_US

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