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All Journal Diteksi : Jurnal Pengabdian Kepada Masyarakat Journal of Engineering and Technological Sciences
Muzakki, Fikrun Najib
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Aerospace Engineering Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Languange, Linguistic, Communication & Media

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Pengenalan Marketplace Hingga Robot Line Follower: Inovasi KKN Tematik di Dusun Gunungsari Desa Mlarak Kabupaten Ponorogo Arief Rahman Yusuf; Fikrun Najib Muzakki
Diteksi : Jurnal Pengabdian Kepada Masyarakat Vol. 2 No. 1 (2024): Diteksi, Vol. 2, No. 1, Mei 2024
Publisher : Fakultas Teknik Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/diteksi.v2i1.14318

Abstract

The Thematic Community Service Programme in Gunungsari Subvillage, Mlarak Village, Ponorogo Regency strives to introduce digital technology and robotics to locals. This initiative concentrates on two key areas: introducing marketplaces to local UMKM and educating youth about line follower robots. The program aims to reduce the digital gap, enhance local economic competitiveness, and spark technological interest among young people. The program's execution involves two primary phases. The first phase focuses on familiarizing and training UMKM in marketplace usage, covering account setup, online store operations, and digital marketing tactics. The second phase comprises workshops and demonstrations of line follower robots at local schools, engaging students in basic robot programming and operation. The approach includes interactive sessions, hands-on training, and personalized guidance for participants. The initiative successfully enhanced the marketplace skills of 10 UMKM, with 60% of them beginning to market their products online actively. Concurrently, the line follower robot introduction attracted 60 students, resulting in a 75% increase in their interest in robotics technology, as indicated by post-event surveys. Furthermore, the program fostered collaboration among students, community members, and local government in efforts to advance technology and boost the local economy.
Investigation of Reaction Dynamics of Methane Reforming on Nickel Clusters Using Molecular Dynamics Simulations Arifin, Rizal; Muzakki, Fikrun Najib; Winardi, Yoyok; Widaningrum, Ida; Zulkarnain, Zulkarnain; Abdurrouf, Abdurrouf; Johari, Norhasnidawani; Lee, Vannajan Sanghiran; Darminto, Darminto
Journal of Engineering and Technological Sciences Vol. 57 No. 1 (2025): Vol. 57 No. 1 (2025): February
Publisher : Directorate for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2025.57.1.5

Abstract

This study employed molecular dynamics simulations utilizing the ReaxFF force field to elucidate the mechanisms underlying methane decomposition and hydrogen generation on nickel clusters (Ni37, Ni55, and Ni80). The transformation of methane into valuable products, including carbon species and hydrogen molecules, is of considerable significance owing to the abundance of methane and its potential role as an atmospheric pollutant. The findings suggest that Ni37 clusters had the highest initial reactivity, although they deactivated swiftly; conversely, Ni55 and Ni80 exhibited more consistent reaction rates. The highest efficiency of hydrogen production per unit surface area was displayed by Ni55 clusters within 100,000 fs, demonstrating a balance between reactivity and stability. Methane dissociation on the Ni55 clusters occurred in multiple stages. Two distinct mechanisms for hydrogen formation were identified: simultaneous dissociation from methane and migration and the combination of hydrogen atoms on the cluster surface. Ni55 showed a substantially lower activation energy for methane dissociation at 0.5 eV than bulk nickel, suggesting a higher degree of reactivity. Conversely, the activation energy for hydrogen formation was 1.1 eV. These results highlight the potential of the Ni55 clusters as effective catalysts for hydrogen production and methane conversion
Co-Authors abdurrouf Abdurrouf Arief Rahman Yusuf Arifin, Rizal Darminto . Ida Widaningrum, Ida Johari, Norhasnidawani Lee, Vannajan Sanghiran Winardi, Yoyok Zulkarnain, Zulkarnain