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All Journal KONSELI: Jurnal Bimbingan dan Konseling (E-Journal) Primary: Jurnal Pendidikan Guru Sekolah Dasar Gravitasi Rihlah Jurnal Sejarah dan Kebudayaan JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Pendas : Jurnah Ilmiah Pendidikan Dasar Jurnal Inotera Jurnal Pendidikan Matematika (JUDIKA EDUCATION) Jurnal Agritechno Menara: Jurnal Teknik Sipil Jurnal Syntax Transformation Jurnal Ilmiah JKA (Jurnal Kesehatan Aeromedika) Dimensi Matematika : Jurnal Pendidikan dan Pembelajaran Matematika Al-Mutsla: Jurnal Ilmu-Ilmu Keislaman dan Kemasyarakatan AbdiTechno (Jurnal Pengabdian Masyarakat) Jurnal Pengabdian Inovasi dan Teknologi Kepada Masyarakat Sisfo: Jurnal Ilmiah Sistem Informasi MEUSEURAYA : JURNAL PENGABDIAN MASYARAKAT Jurnal Pengabdian Bangsa Journal of Planning and Research in Civil Engineering Jurnal Pengabdian Masyarakat Kesehatan Indonesia ETERNITAS Jurnal Malikussaleh Mengabdi Jurnal Economic Edu ARIMA : Jurnal Sosial Dan Humaniora Beujroh : Jurnal Pemberdayaan dan Pengabdian pada Masyarakat The Indonesian Journal of Computer Science Jurnal Ilmiah Manajemen dan Kewirausahaan Jurnal Teknologi Informasi untuk Masyarakat (Jurnal Teknokrat) JIS: Journal ISLAMIC STUDIES Metalik: Jurnal Manufaktur, Energi, Material Teknik Jurnal Ilmiah Teknik Sipil (JIMATS) Salaga Journal Journal Tafkirul Iqtishodiyyah Indonesian Community Development and Social Investment Journal
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Journal : Jurnal Inotera

 1 
Study of Thermal Behavior of Phase Change Material Based Fatty Acid Encapsulated PLA for Gypsum Board Application Aidy, Nurhanifa; Teuku Rihayat; Lindawati; Iqbal; Mahyuddin
Jurnal Inotera Vol. 10 No. 1 (2025): January-June 2025
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol10.Iss1.2025.ID450

Abstract

Phase Change Material is one form of renewable energy utilization that can be applied to the walls of a house to support the work of the AC to be more efficient. This material works by absorbing solar heat energy, storing it, then releasing it out so that the wall does not conduct heat into the room which will affect the workload of the AC. Lauric and stearic fatty acids are one of the superior PCM forming materials. In this study, PCM was made using a mixture of eutectic fatty acids modified with lactic acid. The method used is the direct mix method (direct mixing). PCM fatty acid materials (Laurate-Stearate) are combined into a binary mixture of eutectic fatty acids at a composition of 86%: 14% w/w. Furthermore, modifications are carried out with poly lactic acid (P) in three composition variations (L-S):P, namely (0.5: 1), (0.7: 1.0), (0.9: 1.0). Samples will be prepared in a laboratory scale model and their energy analysis will be carried out. Based on DSC testing, it was concluded that the highest latent heat was achieved by sample LSPb with a value of 101.53 J/g. The second place was taken by sample LSPc, followed by LSPa and the lowest latent heat was sample GLSP0. In line with this, the lowest melting point as an indication that PCM can withstand hot air temperatures is also found in sample LSPb . Among the four test samples, TGA data showed that sample LSPb was the sample that had the best thermal stability among the other samples with the furthest onset and endset values and the smallest % weight loss with values of 154.60 oC, 191.11 oC and 3.87% weight loss, respectively. The use of 0.7 times the amount of poly lactic acid to the eutectic mixture can absorb heat best. However, the excessive amount of poly lactic acid added actually causes a decrease in the absorption capacity and the ability to maintain heat in the PCM sample. The eutectic mixture of lauric and stearic fatty acids and the addition of poly lactic acid in the gypsum matrix successfully formed PCM which can be a candidate for room temperature control material in energy-efficient building wall applications.
Performance Identification of Eutectic Fatty Acid-PLA Based Phase Change Material Board Installed in a Mini-Cubicle System Aidy, Nurhanifa; Lindawati; Iqbal; Mahyuddin; Muhtadin; Muhammad Faisal; Yusrizal
Jurnal Inotera Vol. 11 No. 1 (2026): January-June 2026
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol11.Iss1.2026.ID659

Abstract

Thermal comfort regulation in buildings located in hot climates, such as Indonesia, remains highly dependent on air conditioning (AC) systems, leading to substantial energy consumption. Integrating Phase Change Materials (PCM) into building envelopes offers a passive thermal management strategy to reduce cooling loads. This study investigates the thermal performance of a gypsum-based wall incorporating a eutectic fatty acid PCM (laurate–stearate) of 85:15 (wt%) modified with polylactic acid (PLA) at three PCM:PLA ratios (1:0.6, 1:0.8, and 1:1), alongside a control sample without PCM. Samples were fabricated at laboratory scale and evaluated using a mini-cubicle system under controlled charging and discharging conditions. Energy performance was assessed through temperature change rates and heat transfer (q) analysis at three measurement points (T1, T2, T3). Results demonstrate that PLA modification significantly enhances PCM performance, with the 1:0.8 ratio (bPCM) exhibiting optimal behavior. During charging, bPCM achieved the lowest temperature change rates of 4.75 °C/h at T1, 1.15 °C/h at T2, and 0.65 °C/h at T3 and the minimum heat transfer from T2 to T3 of 32.049 J. Similarly, during discharging, bPCM maintained the smallest temperature change rates of 2.2 °C/h at T1, 1.0 °C/h at T2, and 0.65 °C/h at T3 with the lowest heat transfer to the indoor zone of 32.033 J. These findings confirm that optimized PLA-modified eutectic PCM significantly improves heat absorption, latent heat storage, and thermal insulation performance compared to non-PCM and non-optimized compositions. The proposed composite wall system demonstrates strong potential for passive cooling enhancement and building energy efficiency improvement in hot-climate regions
Co-Authors A. Didik Setyo Purwantoro Achmad Rusdi Agusti, Eddy Ahmad Januardi Al-falathi, Siti Aminah Alfaruq, Imam Almira, Jihan Aman, Ahmad Asrul Saputra Badaruddin Barokah, Muhammad Christovel V. Hendriks Dedi Kusuma Habibie Desembardi, Faried Desember, Faried Desi Riskasusanti Diyah Yumeina Djuniadi Djuniadi Dwi Guntoro S. Fadhil Surur FAHRIZAL Farida, Anif Fariyani Fariyani, Fariyani Farizal Farizawati Fauziansyah Febriana Intan Permata Hati Febriyani, Tika Fikri Tamima Galuh Indra Hasniatisari Haurissa, Prita Husnul Mubarak IAN YULIANTI Intan Zuhra Irwan T Ismayani, Susi jabul reski, fadhil Jein A Muabuay Joko Nugroho Wahyu Karyadi Jummaidi Saputra Junaedi Muhidong Kahar Kahar, Kahar kamaludin, ade Karnisih, Karnisih Khaeril Anwar Junaedi Laurencia Vivin Monica LINDAWATI M.Syekh Ikhsan Syaipudin Mahjoedin, Yovial Mahmud Achmad Mahyuddin Maizan, Rafdia Marina Butudoka Marthiana, Wenny Maulidiyah, Rafiqah Mauliza, Suci Meutia, Cut Dara Mohammad Aris Muh Fajar Hardiansyah Muhammad Faisal Muhammad Iqbal Muhammad Nur Fajar Muhammad Rusmin Muhammad Tahir Sapsal Muhammad Wasil Muhammad Yusuf, Tahir Muhtadin Mukrimin Murliana Mursalim Nasution, Anhar Nida Nuraini Nurdiana Nurfadillah Nurhanifa Nurhanifa Nurjannah Nursigit Bitoro Olly Sanny Hutabarat Prabowo, Arga Satrio Prayoga, Dodo Solyus Pristianto, Hendrik Purwanto, A Didik Setya Rahmi, Hayatun Rajib Muammar Ridha Izzulhaq, Muhammad Rina Purnama Sari Rini, Retno Puspa Riyadhul Fajri Riyadhul Fajri Rokhman Saiful Bahri Salamah Salengke, Salengke Salsabila, Nadia Saputri, Yuni Sazili Selpiah Slamet Widodo Suhartini Sukowati, Dwi Guntoro SUNARNO Sunarno Sunarno Syafriadi Tasari, Sutriani Teguh Eka S. Apriliyanto Teuku Rihayat Upik Nurbaiti Valens Wardani, Vera Warsono Widya, Mitha Wiratmadinata Yetri Hasan Yusrizal Zainal Abidin Zainul Amri Zufiyardi Zulkifli