Maylaffaira, Dewanti (2026) Penerapan Bio-Based Phase Change Material Untuk Atap Bangunan Dalam Meningkatkan Kenyamanan Termal. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Peningkatan konsumsi energi pada bangunan akibat penggunaan sistem pendingin udara mendorong penerapan building energy retrofitting untuk meningkatkan efisiensi energi. Salah satu teknologi yang dapat diterapkan adalah Phase Change Material (PCM) yang mampu menyerap kalor laten sehingga mengurangi perpindahan panas melalui atap bangunan. Penelitian ini bertujuan mengevaluasi pengaruh jenis dan ketebalan bio-based PCM terhadap performa termal bangunan serta kelayakan ekonominya. Penelitian dilakukan pada bangunan TGC Coffee Surabaya menggunakan simulasi Computational Fluid Dynamics (CFD) pada ANSYS Fluent yang telah diverifikasi dengan Grid Independence Test dan divalidasi menggunakan metode Normalized Mean Square Error (NMSE). Variasi yang dianalisis meliputi tiga jenis PCM, yaitu RT28HC, Capric Acid, dan PureTemp29, serta ketebalan 2 cm, 3 cm, 5 cm, dan 7 cm. Hasil simulasi menunjukkan bahwa PureTemp29 memberikan performa termal terbaik di antara PCM bio-based yang diteliti, dengan ketebalan optimum sebesar 2 cm. Analisis ekonomi menunjukkan bahwa penerapan PureTemp29 layak dilakukan dengan nilai Payback Period 6.6 tahun, Net Present Value sebesar Rp 343,174,523.20, Benefit Cost Ratio sebesar 2.96, dan Internal Rate of Return sebesar 16.3%. Hasil penelitian menunjukkan bahwa penerapan bio-based PCM berpotensi meningkatkan performa termal bangunan sekaligus memberikan manfaat ekonomi dalam jangka panjang.
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The increasing energy consumption in buildings due to the use of air conditioning systems has driven the implementation of building energy retrofitting to improve energy efficiency. One technology that can be applied is Phase Change Material (PCM), which is capable of absorbing latent heat, thereby reducing heat transfer through building roofs. This study aims to evaluate the effect of the type and thickness of bio-based PCM on the thermal performance of buildings and its economic feasibility. The research was conducted on the TGC Coffee Surabaya building using Computational Fluid Dynamics (CFD) simulation in ANSYS Fluent, which was verified through a Grid Independence Test and validated using the Normalized Mean Square Error (NMSE) method. The variations analyzed include three types of PCM, namely RT28HC, Capric Acid, and PureTemp29, with thicknesses of 2 cm, 3 cm, 5 cm, and 7 cm. Simulation results indicate that PureTemp29 provides the best thermal performance among the bio-based PCMs studied, with an optimum thickness of 2 cm. Cost Benefit Analysis shows that the application of PureTemp29 is feasible, with a Payback Period of 6.6 years, a Net Present Value of Rp 343,174,523.20, a Benefit Cost Ratio of 2.96, and an Internal Rate of Return of 16.3%. The results demonstrate that the application of bio-based PCM has the potential to improve building thermal performance while providing long-term economic benefits.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Bio-Based Phase Change Material, Retrofiting Bangunan, Analisis Cost Benefit, Kenyamanan Termal, Bio-Based Phase Change Material, Building Energy Retrofitting, Cost-Benefit Analysis, Thermal Comfort. |
| Subjects: | T Technology > T Technology (General) > T57.62 Simulation T Technology > TA Engineering (General). Civil engineering (General) > TA357 Computational fluid dynamics. Fluid Mechanics T Technology > T Technology (General) > TA404 Materials--Biodegradation |
| Divisions: | Faculty of Industrial Technology and Systems Engineering (INDSYS) > Physics Engineering > 30201-(S1) Undergraduate Thesis |
| Depositing User: | Dewanti Maylaffaira |
| Date Deposited: | 04 Aug 2026 04:26 |
| Last Modified: | 04 Aug 2026 04:26 |
| URI: | http://repository.its.ac.id/id/eprint/140449 |
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