Low cost and eco-friendly wood fiber-based composite phase change material: Development, characterization and lab-scale thermoregulation performance for thermal energy storage

SARI A., HEKİMOĞLU G., Tyagi V. V.

ENERGY, cilt.195, 2020 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 195
  • Basım Tarihi: 2020
  • Doi Numarası: 10.1016/j.energy.2020.116983
  • Dergi Adı: ENERGY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, PASCAL, Aerospace Database, Agricultural & Environmental Science Database, Applied Science & Technology Source, Aquatic Science & Fisheries Abstracts (ASFA), CAB Abstracts, Communication Abstracts, Compendex, Computer & Applied Sciences, Environment Index, Geobase, INSPEC, Metadex, Pollution Abstracts, Public Affairs Index, Veterinary Science Database, Civil Engineering Abstracts
  • Anahtar Kelimeler: Wood fiber, Fatty acid, Eutectic mixture, PCM, Thermal energy storage, Cycling stability, Thermal durability, Lab-scale thermoregulation, ACID EUTECTIC MIXTURE, CHANGE MATERIALS PCM, CAPRIC ACID, LAURIC ACID, MYRISTIC ACID, GYPSUM, CONDUCTIVITY, STABILITY, WALLBOARD, MORTAR
  • Karadeniz Teknik Üniversitesi Adresli: Evet

Özet

Thermal efficiency of passive building designs can be improved using phase change materials (PCMs). This study was focused on the development and lab-scale thermoregulation performance of wood fiber(WF)/capric acid-stearic acid(CA-SA) eutectic mixture as low-cost and eco-friendly composite PCM for thermal energy storage (TES). The composite including 52 wt% PCM showed leak-proof property. The structural/morphological characteristics, TES properties, cycling TES reliability and chemical stability of the leak-proof CPCM were investigated by SEM, FT-IR, XRD, DSC, and TGA techniques. The lab-scale thermoregulation performance of CPCM board was also evaluated experimentally. The SEM results indicated that the eutectic PCM was successfully impregnated with WF as the spectral findings confirmed the good compatibility among its constituents. DSC results demonstrated that the CPCM had a melting temperature of 23.38 degrees C and latent heat of 92.1 J/g. TGA measurements revealed that the servicing temperature of the CPCM was much over than its thermal decomposition limit. It had stable TES properties and chemical structure after 600 melting-freezing cycles. Furthermore, lab-scale performance test exhibited that the temperature difference at the inside center of CPCM cubic cell and WF cubic cell was ascertained as averagely 2.67 degrees C during a 72 min-heating period and 1.18 degrees C during a 100 mincooling period. (C) 2020 Elsevier Ltd. All rights reserved.