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All Journal Journal of Sustainable Tourism and Entrepreneurship TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Boni Sena
University of Singaperbangsa Karawang, Indonesia
Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Environmental Science Social Sciences

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Empowering society and culinary MSMEs for sustainable development goals initiatives in West Java Nadia Amanah; Boni Sena; Bobie Suhendra; Ardiansyah Yatim; Sheikh Ahmad Zaki
Journal of Sustainable Tourism and Entrepreneurship Vol. 5 No. 3 (2024): May
Publisher : Goodwood Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35912/joste.v5i3.1756

Abstract

Purpose: This study aimed to explore the impact of empowering society and culinary MSMEs on Sustainable Development Goals (SDGs) in West Java, focusing on Sindangmukti Village, Karawang Regency. While prior research has often used a top-down approach, neglecting direct societal impact, this study takes a bottom-up perspective, aligning with implicit SDG principles observed in community services. Research Methodology:  The study employed online questionnaires with 505 households in West Java to evaluate water consumption, waste generation, and energy usage patterns. Specific investigations in Sindangmukti Village have measured community service effectiveness regarding SDGs. Results: The study found that Only 19.1% of the participants set AC temperatures within the recommended ranges. Additionally, initiatives to promote a sustainable city strategy and establish energy-efficient culinary MSMEs in Sindangmukti Village resulted in a 29% increase in knowledge among 70 participants and generated $36.71 income from bitter melon chip production within two months. Limitations: However, the study focused solely on Sindangmukti Village, neglecting the diverse cultural and problem landscapes of other villages in the Karawang Regency. Contributions: The findings of this study can inform future efforts to enhance energy, water, and waste efficiency in residential buildings in West Java, thereby fostering awareness of energy conservation, environmental sustainability, and economic resilience.
Design and analysis of cooling loads in freezers based on phase change materials Boni Sena; Hadi Nurwahyudin; Kahfi Alwi Kasim; Ksatria Danuaji; Raflihuda Dwi Agusti; Faishal Dzaky Al Hakim; Ribka Bernaditta Naibaho; Nadia Amanah; Fardin Hasibuan
TEKNOSAINS : Jurnal Sains, Teknologi dan Informatika Vol 13 No 2 (2026): TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Publisher : LPPMPK- Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/tekno.v13i2.1993

Abstract

Improving energy efficiency and temperature stability in freezer systems is a critical issue due to high energy consumption and thermal fluctuations that can degrade the quality of frozen products. Previous research has generally focused on compressor optimization and active refrigeration systems, while the use of Phase Change Materials (PCMs) as passive energy storage media in small-scale freezers is still limited. This study aims to analyze the effect of adding PCMs on the cooling load and thermal performance of the freezer. The methods used include designing a three-layer wall model (aluminum–polyurethane–PCM), calculating conduction energy, sensible heat, and latent heat, and comparing seven types of PCMs using an analytical approach and CoolTools-based thermal simulation. The results show that dry ice gel provides the best performance with the lowest total cooling load of 29.02 W and latent heat of 5.40 × 10⁵ J/kg. The system has a COP of 2.36 with a thermodynamic efficiency of 53.74%. PCM integration has been proven to reduce temperature fluctuations and reduce system workload, thus contributing scientifically to the development of energy-efficient freezer designs based on passive thermal energy storage.
Co-Authors Ardiansyah Yatim Bobie Suhendra Faishal Dzaky Al Hakim Fardin Hasibuan Hadi Nurwahyudin Kahfi Alwi Kasim Ksatria Danuaji Nadia Amanah Nadia Amanah Raflihuda Dwi Agusti Ribka Bernaditta Naibaho Sheikh Ahmad Zaki