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All Journal Jurnal MEKANIKAL Journal of Community Services: Sustainability and Empowerment
Putra, Indra Pertama
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Economics, Econometrics & Finance Education Engineering Mechanical Engineering Social Sciences Other

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PENGARUH PENAMBAHAN SILINDER PEJAL PADA ALAT PENUKAR KALOR PIPA GANDA Putra, Indra Pertama; Marsan, Kennedy; Basri, Basri
Jurnal MEKANIKAL Vol 9, No 1 (2018): Jurnal Mekanikal Januari 2018
Publisher : Jurnal MEKANIKAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (625.08 KB)

Abstract

Penelitian ini bertujuan mengetahui efektivitas alat penukar kalor jenis pipa ganda dengan penambahan silinder pejal dan variasi laju aliran (debit). Pengujian dilaksanakan tanpa penambahan silinder pejal (standar) dan penambahan silinder pejal dengan variasi diameter 6 mm, 8 mm, dan 10 mm. Variasi debit pada sisi air panas 0,1 gal/min dan 0,2 gal/min sedangkan pada sisi air dingin dipertahankan 6 gal/min. Nilai efektivitas alat penukar kalor pipa ganda tanpa silinder pejal pada debit 0,1 gal/min yaitu 62,39%, yang kemudian mengalami peningkatan hingga 79,33% pada penambahan silinder pejal diameter10 mm. Sedangkan, pada variasi debit 0,2 gal/min nilai efektivitas alat penukar kalor pipa ganda tanpa penambahan silinder pejal yaitu 48,46% yang kemudian mengalami peningkatan hingga 76,8% pada penambahan silinder pejal diameter10 mm. Kata Kunci : alat penukar kalor,  pipa ganda, debit, diameter silinder pejal, efektivitas
Implementasi Suplemen Lampu Panel Surya di Sekolah Dasar Harditya, Arya; Harjon, Aditiya; Nurprihatin, Filscha; Ifat, Ifat; Putra, Indra Pertama; Hadisujoto, Budi; Wandy, Wandy
Journal of Community Services: Sustainability and Empowerment Vol. 2 No. 02 (2022): September 2022
Publisher : Center for Research and Community Service of Sampoerna University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35806/jcsse.v2i2.308

Abstract

Teknologi panel surya telah digunakan untuk penerangan jalan, dan juga dapat menjadi solusi penerangan untuk sekolah/pesantren. Sejumlah lampu panel surya mudah didapatkan di pasar luring maupun daring nasional dengan biaya yang kian terjangkau. Teknologi solar panel menjadi salah satu alternatif solusi energi terbarukan yang ramah lingkungan. SD Negeri Rambutan 03 Pagi Jakarta dalam sejumlah aktivitas merupakan sekolah yang telah bermitra dengan Universitas Sampoerna untuk Pengabdian kepada Masyarakat (PkM) dan aktivitas magang. Pada kesempatan ini sejumlah Program Studi di Fakultas Teknik dan Teknologi telah berkolaborasi dalam melaksanakan PkM sebagai upaya dalam mewujudkan Tridharma Perguruan Tinggi. Lampu panel surya sebanyak 27 buah telah terpasang. Pemasangan lampu berlangsung selama 7 hari, dan agenda PkM diakhiri dengan pemotongan tumpeng, sebagai wujud syukur terselesaikannya aktivitas ini dengan baik.
Preserving Betawi Culture: Introducing Additive Manufacturing for Ondel-Ondel Souvenirs in Micro, Small, and Medium Enterprises (MSMEs/UMKM) Saptaji, Kushendarsyah; Ifat, Ifat; Putra, Indra Pertama; Kalam, Ikramin; Islam, Sri Susilawati; Triawan, Farid; Siswojo, Nathanael Ansel; Lubis, Steven Abed Daniel; Bryan, Jonathan; Handani, Nadya Geraldine
Journal of Community Services: Sustainability and Empowerment Vol. 4 No. 01 (2024): March 2024
Publisher : Center for Research and Community Service of Sampoerna University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35806/jcsse.v4i1.468

Abstract

The contributions of campus as a technology hub to the society need to be increased. One of the way is to help micro, small, and medium enterprises (MSMEs) or Usaha Mikro, Kecil, dan Menengah (UMKM) to improve their process, capability and product. In this study, a team consisted of students and lecturers from Faculty of Engineering and Technology Sampoerna University led a community service project on one of MSMEs in Jakarta area. Over eight months, the team introduced innovative manufacturing techniques like 3D printing and mold-making to one of the MSMEs called Jawara Peci. Jawara Peci sells traditional souvenir, Ondel-ondel miniature. The purpose of this activity is to help Jawara Peci to have a unique ondel-ondel miniature product with the use of technology in order to preserve the cultural heritage of Betawi. The activity includes, socialization and introduction of the program, 3D design and product development, prototyping and delivery. The activity was successfully producing a new method to produce an Ondel-ondel souvenir using 3D printing and casting. The proposed method is expected can be implemented by the Jawara Peci to improve the uniqueness of the Ondel-ondel souvenir so that can contribute to economic growth and cultural awareness. This activity highlighted the potential of merging technology and heritage in improving inclusive economic development.
Implementation of 5S for the Small Business Workshop and Machine Shop: Community Service in RTG Custom Project Workshop Saptaji, Kushendarsyah; Hadisujoto, Ignatius Budi; Wibowo, Djati; Ifat; Putra, Indra Pertama; Nurprihatin, Filscha; Oktaviandri, Muchamad; Abdillah, Sultansyah Reza; Handika, Raditya Edra Raja; Lanaggalih, Jarvis Eros; Wong, Miguel Silvano Hermawan
Journal of Community Services: Sustainability and Empowerment Vol. 4 No. 02 (2024): September 2024
Publisher : Center for Research and Community Service of Sampoerna University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35806/jcsse.v4i2.503

Abstract

The implementation of the Japanese 5S methodology in a small motorcycle workshop in Bogor, Indonesia, has demonstrated significant improvements in workplace organization, operational efficiency, and safety. As Indonesia continues to lead motorcycle sales in the ASEAN region, the need for well-structured and efficient workshops becomes increasingly critical. However, many small businesses still struggle with inadequate organization and risk management. By applying the 5S principles—Sort (Sisih), Set in Order (Susun), Shine (Sapu), Standardize (Standar), and Sustain (Sinambung)—the workshop experienced reduced disorder, improved workflow, enhanced cleanliness, and well-defined procedures. These changes positively impacted productivity, workplace safety, and customer perception. Initial resistance to change was mitigated through comprehensive training and staff engagement, ensuring long-term adoption. This initiative aligns with Sampoerna University’s commitment to community development and serves as a scalable model for small businesses. With adequate government and NGO support, the 5S framework can enhance efficiency, competitiveness, and working conditions in Indonesia’s expanding motorcycle industry.
Co-Authors Abdillah, Sultansyah Reza Aditiya Harjon Basri Basri Bryan, Jonathan Hadisujoto, Budi Hadisujoto, Ignatius Budi Handani, Nadya Geraldine Handika, Raditya Edra Raja Harditya, Arya Ifat Ifat, Ifat islam, sri susilawati Kalam, Ikramin Kennedy Marsan Kushendarsyah Saptaji Lanaggalih, Jarvis Eros Lubis, Steven Abed Daniel Muchamad Oktaviandri Nurprihatin, Filscha Siswojo, Nathanael Ansel Triawan, Farid Wandy Wandy Wibowo, Djati Wong, Miguel Silvano Hermawan