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Analisis Beban Pendinginan Pada Kereta TMC PPI Madiun Budiarto, Balla Wahyu; Oktaria, Dhina Setyo
Jurnal Cahaya Mandalika ISSN 2721-4796 (online) Vol. 3 No. 1 (2022)
Publisher : Institut Penelitian Dan Pengambangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/jcm.v3i1.3563

Abstract

Penelitian ini menganalisis beban pendinginan pada kereta Track Motor Car (TMC) PPI Madiun, sebuah sarana belajar yang dilengkapi dengan sistem Air Conditioning (AC) dari PT INKA. Sistem pendingin ini dirancang untuk menjaga suhu ruang penumpang antara 22°C hingga 26°C sesuai dengan standar pelayanan minimum di Indonesia. Beban pendinginan dipengaruhi oleh suhu lingkungan, struktur ruang, serta aktivitas penumpang. Penelitian ini menggunakan metode CLTD (Cooling Load Temperature Difference) untuk menghitung beban sensibel dan laten, termasuk beban dari udara luar, peralatan listrik, dan infiltrasi. Selain itu, penelitian ini menghitung nilai OTTV (Overall Thermal Transfer Value) untuk menilai perpindahan panas pada kereta. Hasil penelitian menunjukkan bahwa nilai OTTV pada TMC PPI adalah 21,844 W/m², yang masih memenuhi standar SNI 03-6389-2000. Total beban pendinginan yang dihitung, termasuk faktor keamanan 10%, adalah sebesar 4,719 kW, yang masih dapat diakomodasi oleh dua unit AC yang terpasang dengan kapasitas masing-masing 4,05 kW. Kesimpulan dari penelitian ini adalah sistem AC yang terpasang pada kereta TMC PPI telah memenuhi kebutuhan pendinginan secara efektif.
Improving Digital Literacy of Village Communities in Indonesia through Information Technology-Based Community Service Programs Budiarto, Balla Wahyu; Karyadi, Sugeng; Wasiran, Wasiran; Pratiwi, Ratih; Irwan, Dedy
Unram Journal of Community Service Vol. 5 No. 3 (2024): September
Publisher : Pascasarjana Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ujcs.v5i3.716

Abstract

This Community Service Program (PKM) aims to improve the digital Literacy of rural communities in Indonesia through information technology-based Training. This activity was conducted online and involved 50 participants with a varied basic understanding of digital technology. Interactive training methods using the Zoom application and mentoring via WhatsApp are carried out to ensure participants can understand and practice the training material, especially in social media and e-commerce. The Training results showed a significant improvement in the participants' abilities. Before the Training, only 20% of participants could use social media, and 15% could take advantage of e-commerce. After the Training, this figure increased to 85% and 70%, respectively. Although there are challenges in the form of limited internet access in some regions, the provision of materials that can be accessed offline helps participants in the learning process. This program increases digital Literacy and contributes to improving the local economy through digital marketing of village products. With positive results, this program can be replicated in other regions to empower the community through information technology. This study shows that the right digital training approach can significantly impact Literacy and economic empowerment in rural communities.