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All Journal Jurnal Teknologi Perikanan dan Kelautan KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan STATOR: Jurnal Ilmiah Mahasiswa Teknik Mesin Jurnal Kelautan Nasional Jurnal Elemen Zona Laut : Jurnal Inovasi Sains dan Teknologi Kelautan Journal of Community Development ADMA: Jurnal Pengabdian dan Pemberdayaan Masyarakat PEKAT : Jurnal Pengabdian Kepada Masyarakat Jurnal Inovasi Teknologi Manufaktur, Energi dan Otomotif Journal of Economic Growth and Development Review
Hery Indria Dwi Puspita
Program Studi Teknik Konstruksi Perkapalan, Fakultas Teknik, Universitas Jember, Jalan Kalimantan No. 37, Kampus Tegalboto, Sumbersari, Jember 68121, Indonesia
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Pemanfaatan Limbah Daun Jati Kering dan Serbuk Gergaji Kayu sebagai Bahan Baku Arang Briket di Desa Bubulan Puspita, Hery Indria Dwi; Suyoso, Gandu Eko Julianto; Rudianto, Rudianto; Sanata, Andi; Yasim, Ahmad
Journal of Community Development Vol. 4 No. 3 (2024): April
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/comdev.v4i3.167

Abstract

The Bubulan Village has rich natural resources, one of which is high-quality teak trees contributing to the productivity of teak trees in Bojonegoro Regency. Despite its advantages, teak trees in Bubulan Village hold the potential for economically valuable waste, namely teak leaf waste accumulating in the forest area. Additionally, Bubulan Village is home to wooden furniture craftsmen, and every production process generates wood sawdust waste.This community service aims to empower the people of Bubulan Village in managing this waste through training on the utilization of dried teak leaf waste and wood sawdust as raw materials for charcoal briquettes. The service method begins with partner surveys, followed by reference studies and a simulation of the charcoal-making process by the team. Subsequently, tools for making charcoal briquettes (including the creation of a charcoal stove) are procured. The activities continue with outreach to showcase the potential of Bubulan Village, followed by training on the utilization of teak leaf waste and wood sawdust as raw materials for charcoal briquettes.Representatives from the youth organization (karang taruna), village officials, and 20 residents of Bubulan Village attended this community service. The outcomes of this service include an increase in participants' knowledge about charcoal briquettes made from dried teak leaves and wood sawdust by 49%. The designed and made charcoal stove by the service team functions well. Briquettes made from dried teak leaves ignite more easily but have a shorter burning duration compared to briquettes made from wood sawdust. Further testing is needed to determine the calorific value, ash content, and moisture content of these briquettes, as well as additional tests on the efficiency of the charcoal stove.Written in English with a distance between sentences of 1 space and the number of words between 150-250. The abstract should contain introductions, methods, results and discussions and conclusions (without citation). Avoid using citations in the abstract.
SIMULASI NUMERIK HAMBATAN DAN POLA ALIRAN BARGE MENGGUNAKAN METODE CFD Prameswari, Grandys; Puspita, Hery Indria Dwi; Sakinah, Wazirotus; ., Rudianto; Arianto, Pratama Yuli
STATOR: Jurnal Ilmiah Teknik Mesin Vol 7 No 2 (2024): JURNAL STATOR
Publisher : Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Barge is a ship that does not have a propulsion and must be towed by a tugboat to sail Therefore, the barge is pulled by a tugboat to sail. This causes the stern area of the barge to be installed with a skeg to support the ship's performance while sailing. One of the performance parameters is the resistance and flow pattern of the barge. Previous research recommended a straight longitudinal skeg at the stern of the barge. This paper continues the recommendation by applying a numerical simulation using the Computational Fluid Dynamics (CFD) method to predict the resistance and flow pattern of the barge due to the skeg used. The CFD method was chosen because of being able to provide accurate, fast, and optimal results. By knowing the resistance and flow pattern values, the results of this study can be used to calculate the amount of bollard pull required by the barge to be towed by the tugboat. The results obtained in this study are the highest resistance at 7 knots of 269.952 kN and the lowest resistance occurs at 4 knots of 89.206 kN. The flow pattern formed in the barge area can be concluded that turbulence mostly occurs in the stern area of the ship due to the interaction of wake, water flow and skeg position. Keywords: Barge, Skeg, Resistance, Flow Pattern
ANALISIS HAMBATAN DAN STABILITAS PADA MODIFIKASI DESAIN KAPAL IKAN BERCADIK DI PERAIRAN PUGER, JEMBER: ANALISIS HAMBATAN DAN STABILITAS PADA MODIFIKASI DESAIN KAPAL IKAN BERCADIK DI PERAIRAN PUGER, JEMBER Puspita, Hery Indria Dwi; Rudianto, Rudianto; Yasim, Ahmad; Nuruzzaman, Abdullah
Jurnal Teknologi Perikanan dan Kelautan Vol 16 No 1 (2025): FEBRUARI 2025
Publisher : Fakultas Perikanan dan Ilmu Kelautan, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24319/jtpk.16.77-84

Abstract

Kapal ikan merupakan salah satu alat transportasi yang penting untuk profesi nelayan. Kapal ikan di Perairan Puger dibuat oleh pengrajin kapal tradisional secara turun temurun. Desain linggi haluan kapal ikan tersebut belum diketahui efektivitasnya. Tujuan dari penelitian ini adalah untuk menganalisis pengaruh bentuk linggi haluan terhadap nilai hambatan dan stabilitas kapal. Penelitian ini menggunakan kapal ikan bercadik dengan panjang (LOA) 11 m, lebar (B) 1,5 m, tinggi (H) 1,5 m, dan sarat (T) 0,5 m. Penelitian dilakukan dengan membandingkan desain awal kapal ikan dan desain modifikasi haluannya. Perbandingan menggunakan nilai hambatan dan stabilitas sebagai acuan. Hasil dari penelitian ini didapatkan bahwa desain modifikasi mempunyai hambatan lebih kecil sebesar 16,327%. Pada aspek stabilitas, desain modifikasi mempunyai nilai GZ lebih besar yaitu 12,7% dan sudut oleng lebih kecil 2,1% dari desain awal. Desain modifikasi mempunyai periode oleng 5,8% lebih cepat daripada desain awal. Desain modifikasi mempunyai nilai hambatan dan stabilitas yang lebih baik daripada desain awal.
Economic Growth at the Edge of the Sea: The Political Economy and History of Coastal Fisheries in Indonesia’s 3T Regions (3T: Disadvantaged, Frontier, and Outermost Regions). Bawias, Ishak; Mozes, Getruida Nita; Puspita, Hery Indria Dwi
Journal of Economic Growth and Development Review Volume 2 Issue 2 September 2025
Publisher : Professorline

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/jegar.vi.22

Abstract

This study explores the political economy and historical roots of economic growth in Indonesia’s coastal fisheries, with a focus on the country's 3T regions (disadvantaged, frontier, and outermost). Drawing on qualitative field data and critical policy analysis, the research reveals how historical marginalization, market dependency, legal exclusion, and fragmented governance have shaped uneven development trajectories in these regions. Despite rich marine resources and integration into global seafood markets, small-scale fishers in 3T areas often remain economically insecure and politically invisible. The study highlights how growth has been promoted through centralized, extractive models that prioritize production and capital investment while neglecting community rights and local institutions. However, it also identifies local strategies of resistance, adaptation, and institutional innovation suggesting that endogenous, community-driven growth is possible when socio-political conditions are supportive. By situating fisheries development within a political economy framework, the research calls for a more inclusive and territorially grounded approach to maritime development, one that recognizes coastal communities not as passive beneficiaries, but as central agents in shaping sustainable and just growth. Keywords: Political economy; Coastal fisheries; 3T regions (disadvantaged, frontier, outermost); Marine governance; Inclusive development.
Finite Element Analysis to Determine the Optimum Stiffener Spacing on Barge Deck with 5-15-5 Sandwich Plates Arianto, Pratama Yuli; Zharo, Risalah Alifatus; Puspita, Hery Indria Dwi; Kadhafi, Muammar; Syafiuddin, Syafiuddin
Kapal: Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Vol 22, No 3 (2025): October
Publisher : Department of Naval Architecture - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/kapal.v22i3.74747

Abstract

The application of sandwich plates in marine structures provides a lightweight yet strong alternative to conventional steel plates. This study investigates the extent to which stiffener spacing on barge decks can be increased when using 5–15–5 mm sandwich plates, without exceeding the allowable stress limit. The analysis was conducted using the finite element method (FEM) in ANSYS Student R2 2024. The stiffener spacing configurations examined were 610 mm (32 stiffeners), 762 mm (24 stiffeners), 1016 mm (16 stiffeners), 1524 mm (8 stiffeners), and a model without stiffeners. The simulation results indicate that all models with stiffeners, up to a spacing of 1524 mm, satisfy the allowable stress limit of 175 MPa specified by Lloyd’s Register. In contrast, the model without stiffeners exceeds this limit and is therefore considered unsafe. Deformation analysis further shows that the maximum deflection tends to occur on the port side, particularly in regions not supported by beams or girders. As the stiffener spacing increases, the magnitude of deformation also increases, and its location shifts due to edge effects and asymmetrical support conditions. In addition, the use of sandwich plates leads to a substantial reduction in structural weight compared with conventional steel construction, ranging from 23.13% to 32.83%, depending on the stiffener spacing. Based on these results, a stiffener spacing of up to 1524 mm is considered optimal for maintaining structural safety while achieving significant weight reduction.
Co-Authors ., Rudianto Andi Sanata Bawias, Ishak Dimas Syaikhu Fasya, Nurisa Sharani Gianevan, Nicholas Jirezra I Ketut Aria Pria Utama Mozes, Getruida Nita Muammar Kadhafi Muhamad Arju Nabilul Akmal Nuruzzaman, Abdullah Prameswari, Grandys Pratama Yuli Arianto Puranggo Ganjar Widityo Rahma Rei Sakura Ramli Firdaus Kusnadi Ramli Firdaus Kusnadi Robertoes Koekoeh Koentjoro Wibowo Rudianto Rudianto Rudianto Rudianto Saifurridzal, Saifurridzal Sudi Widodo Suyoso, Gandu Eko Julianto Syafiuddin Syafiuddin Wazirotus Sakinah Yasim, Ahmad Zharo, Risalah Alifatus