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All Journal Rekayasa Mesin Jurnal Ilmu-Ilmu Peternakan (Indonesian Journal of Animal Science) Jurnal Ternak Tropika JURNAL PENGABDIAN KEPADA MASYARAKAT Scientific Journal of Mechanical Engineering Kinematika International Journal of Mechanical Engineering Technologies and Applications (MECHTA) Journal of Multidisciplinary Applied Natural Science GMPI Conference Series Jurnal Civil Engineering Study ABDI UNISAP: Jurnal Pengabdian Kepada Masyarakat Journal of Community Empowerment Jurnal Polimesin TEKAD : Teknik Mengabdi
Agung Sugeng Widodo
Fakultas Teknik Universitas Brawijaya
Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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Perancangan Prototipe Penjernihan Air melalui Filtrasi dengan Bantuan Filter Tabung Tipe FRP Agung Sugeng Widodo; Ilham Akbar Pamungkas; Khoiril Anam; Wigbertus Ngabu
ABDI UNISAP: Jurnal Pengabdian Kepada Masyarakat Vol. 1 No. 2 (2023): ABDI UNISAP: Jurnal Pengabdian Kepada Masyarakat
Publisher : UPT Publikasi dan Penerbitan Universitas San Pedro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59632/abdiunisap.v1i2.204

Abstract

Program kegiatan ini bertujuan untuk mengedukasi masyarakat mengenai pentingnya air bersih dan meningkatkan ketersediaan air bersih di Desa Weoe, Kecamatan Wewiku, Kabupaten Malaka. Pada daerah tersebut diperlukan adanya edukasi serta pendampingan proses penjernihan air karena karakteristik air yang ada memiliki ciri yang sama dengan air payau dan air asin. Pemilihan metode filtrasi dengan bantuan filter tabung tipe FRP dilakukan karena efektif untuk menghilangkan cemaran fisik dan bahan kimia berbahaya yang terdapat pada air. Selain itu, dilakukan pula pendampingan perangkaian peralatan filter sederhana untuk menghilangkan bau, warna, dan kotoran yang mengganggu pada air. Evaluasi kegiatan dilakukan dalam bentuk survei umpan balik setelah kegiatan pendampingan dilakukan. Pada pelaksanaan kegiatan pendampingan dan pelatihan diberikan materi terkait pentingnya air bersih, metode penjernihan air, dan pemanfaatan teknologi dalam memperoleh air bersih. Hasil program kegiatan ini, yaitu masyarakat setempat menunjukkan bahwa sasaran kelompok pendampingan memiliki peningkatan pengetahuan mengenai penggunaan sistem penjernihan air sederhana serta pemanfaatan teknologi berupa penggunaan filter tabung tipe FRP untuk meningkatkan efektivitas penjernihan air.
Development of phenolic-modified activated carbon for reduced energy band gap and improved semiconductor performance Rahmadanti Rahmadanti; Agung Sugeng Widodo; Sulistyono Sulistyono; Purnami Purnami
Jurnal Polimesin Vol 23, No 6 (2025): December
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i6.8234

Abstract

This study aims to develop more efficient activated carbon-basedsemiconductor materials through modification with phenolic compounds to reduce the energy gap and increase adsorption capacity. Activated carbon was modified by adding phenolic compounds, then characterized using FTIR, UV-Vis, SEM, and EDS to analyze structural, morphological, and electronic changes. The UV-Vis characterization results showed that the AC 70 + F 30 sample experienced a wavelength shift towards the x-axis, which indicates a decrease in energy gap and is confirmed by Tauc plot analysis from 3.60 eV to 2.98 eV. SEM-EDS results revealed changes in pore morphology and a decrease in carbon content due to the interaction between activated carbon and phenolic compounds. These findings indicate that phenolic modification effectively reduces the energy gap and improved charge-transfer characteristics, thereby contributing to the development of more environmentally friendly and efficient activated carbon-based semiconductor materials.
Utilization of Leaf Chopping Machine as an Environmental School Support at SDN Mojolangu 2 Malang Municipality Sonief, Achmad As'ad; Darmadi, Djarot B.; Widodo, Agung Sugeng
TEKAD : Teknik Mengabdi Vol. 4 No. 2 (2025)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.tekad.2025.04.2.8

Abstract

Effective and environmentally sound learning is the main goal of the school because it is able to integrate theory with real practice in the surrounding environment. One example is the utilization of organic waste, such as dry leaves and twigs, to be processed into compost for the school garden. This approach not only supports practical science lessons, but also fosters environmental awareness early on in elementary school students. So far, science learning is often only theoretical in the classroom. To make it easier for students to understand and make learning fun, tools such as a leaf shredder are needed. This machine helps solve the problem of using manual tools such as small scissors that are less efficient. The shredder can turn organic waste into small pieces that are ready to be processed into compost, supporting creative and innovative activities in learning. The solution offered is training in the design and manufacture of leaf shredding machines as well as the introduction of a machine model that is easy to use and maintain. This machine is donated to the school to support the Adiwiyata School program, which is an environmentally friendly school. The chopping machine serves as a learning tool for students and school managers, encouraging creative, productive, and environmentally friendly characters. The results obtained include a model of the chopping machine along with a guide to its use. With this machine, the learning atmosphere becomes more interactive, increases student understanding, and supports the formation of environmentally friendly characters. The level of user satisfaction with this chopping machine is very high, making it a real contribution in creating an environmentally friendly and innovative school environment.
EFFECT OF LOADING CONFIGURATION ON MIXED-MODE DELAMINATION BEHAVIOR OF LAMINATED COMPOSITES Wahjudi, Ari; Purnowidodo, Anindito; Widodo, Agung Sugeng; Anam, Khairul
Jurnal Rekayasa Mesin Vol. 16 No. 3 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v16i3.2559

Abstract

Delamination is a critical interlaminar failure mode in laminated composites, particularly under mixed-mode loading where opening and shear mechanisms interact during crack propagation. This study investigates the effect of loading configuration and displacement ratio on mixed-mode delamination behavior using a finite element model incorporating finite-thickness cohesive zone elements. Three loading configurations, namely single-leg bending (SLB), modified single-leg bending (MSLB), and mixed-mode bending (MMB), were investigated. For MSLB and MMB, five additional-to-primary displacement ratios ranging from 0.5 to 2.5 were applied. Delamination behavior was evaluated in terms of load-displacement response, delamination area, and mode-mixity evolution. The results showed that increasing the displacement ratio increased the delamination area in both MSLB and MMB configurations. The MSLB delamination area increased from 15.04 to 30.71 mm², whereas the MMB area increased from 24.53 to 50.80 mm². MSLB exhibited a transition from predominantly shear-controlled toward greater opening contribution as the displacement ratio increased, while MMB remained predominantly shear-controlled during most of the propagation process. Among configurations with comparable maximum loads, MSLB 1.5 produced a smaller delamination area of 21.37 mm² than SLB of 23.90 mm², and MMB 1 of 28.96 mm². These findings demonstrate that mixed-mode delamination is governed by the interaction between loading configuration, displacement ratio, and evolving mode-mixity. The finite-thickness cohesive-zone approach provides an effective numerical framework for evaluating delamination propagation under different mixed-mode loading conditions.
Co-Authors A.A. Ketut Agung Cahyawan W Akhmad Ali Imron Anam, M. Khairul Anas Mukhtar Andy Nugraha Anindito Purnowidodo Ari Wahjudi Arwin Arwin Ary Mustofa Ahmad Atiek Iriany Awaluddin Awaluddin Danang Ariyanto Denny Widhiyanuriyawan Djarot B. Darmadi Djarot B. Darmadi, Djarot B. Eko Siswanto Eko Siswanto Elandi Elandi Elandi Elok Waziiroh Faizal, Elka Fauzi, Katanda Fajar Hanafi Ashad Huda, Ahmad Akromul I Nyoman Gede Wardana Ilham Akbar Pamungkas Khairul Anam Khoiril Anam Lilis Yuliati Mega Nur Sasongko Moch. Agus Choiron Mochammad Junus Muhammad Nizar Ramadhan Muhammad Nur Shobakh Pradigdo, Dedy Purnami Purnami Rahmadanti Rahmadanti Ridlo, Mahmuddin Salim Salim, Salim Slamet Wahyudi Solikhin, Atfalus Solikhin Sonief, Achmad As'ad Sudarno Sudarno Sudarno, Sudarno Sudjito Soeparman Sukamto, Ika Sumiyarsi Sulistyono Sulistyono Susinggih Wijana Tamara F. Utama Tulus Subagyo, Tulus Wahyono Suprapto Wigbertus Ngabu Windi Zamrudy Wisnumurti . Yudy Surya Irawan