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All Journal Jurnal Ilmiah Giga Sebatik Wave: Jurnal Ilmiah Teknologi Maritim International Journal of Marine Engineering Innovation and Research Construction and Material Journal ARMATUR : Artikel Teknik Mesin dan Manufaktur AMMA : Jurnal Pengabdian Masyarakat
Hariyono, Hariyono
Department Of Naval Architecture, Institut Teknologi Kalimantan
Aerospace Engineering Humanities Automotive Engineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Nursing Physics Transportation

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PENGARUH TEMPERATUR MEDIA PENDINGIN TERHADAP PERUBAHAN STRUKTUR MIKRO BAJA KARBON SEDANG Jefri Aldo; Hariyono Hariyono
Sebatik Vol 26 No 2 (2022): Desember 2022
Publisher : STMIK Widya Cipta Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46984/sebatik.v26i2.2081

Abstract

Pengelasan ialah pengerjaan suatu ikatan karena disebabkan terjadinya proses metalurgi pada sambungan logam paduan yang dikerjakan dalam kondisi cair, ataupun bisa dimaksud juga sebagai suatu sambungan satu tempat dari sebagian batang logam dengan menggunakan tenaga panas. Riset ini bermaksud menganalisis akibat dari perbandingan temperatur media pendingin yang digunakan dengan cara pendinginan baja karbon sedang yang dilas menggunakan las SMAW terhadap perubahan bentuk mikro. Media pendingin yang digunakan yaitu oli SAE 5W 30 dengan temperatur yang bervariasi ialah 80°C, 90°C, 100°C. Riset dilaksanakan dengan metode melakukan cara pengelasan pada baja karbon sedang serta didinginkan dengan media oli dengan temperatur yang berbeda, setelah itu dicoba observasi bentuk mikro untuk melihat perubahan bentuk mikro. Periset menggunakan media pendingin oli tanpa pemanasan, serta temperatur ruang selaku pembeda, alhasil melewati riset ini diperoleh hasil perubahan bentuk mikro pada 3 (tiga) wilayah pengelasan ialah las induk membuahkan bentuk struktur ferit serta perlit yang tidak merata, HAZ menghasilkan bentuk struktur ferit serta perlit yang rapat, logam las membuahkan bentuk struktur ferit acicular serta perlit yang halus serta rapat.
ANALISIS KEKUATAN PENGARUH MODEL BRACING TERHADAP PONDASI KATROL LADDER PADA KAPAL ISAP PRODUKSI (KIP) Hariyono Yono; Azhar Aras Mubarak
Construction and Material Journal Vol. 4 No. 3 (2022): Construction and Material Journal Vol. 4 No. 3 November 2022
Publisher : Politeknik Negeri Jakarta

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Abstract

With the use of the bracing model that was built during the building of the ladder-pulley foundation, this research intends to analyze the strength of the ladder-pulley foundation on the Kapal Isap Produksi (KIP). Finite element analysis (FEA) and modeling with the Ansys software were used in the investigation. The 58 m length of the actual ladder is considered when creating the model. Then, create each model of a diagonal brace and an x-bracing specifically for the pulley foundation. After that, a special diagonal brace and an x-bracing model were developed, respectively, for the pulley foundation's building. The load acting on the ladder for the two versions is the same: 1.42 x 105 N for the pipe and mud, 0.57 x 105 N for the cutter, and 0.67 x 108 Nmm for the cutter torque. According to the analysis's findings, the diagonal brace model's strut component experiences the highest level of stress, measuring 57.32 N/mm2, whereas the x-bracing model's greatest stress value is 25.44 N/mm2. These findings suggest that, to reduce structural failure in the ladder pulley area, it is preferable to use x-bracing construction for the brace design put there. This is because it has a lower minimum stress value than the diagonal brace model. Keywords: Bracing, Ladder, KIP, FEA.
ANALISIS KEGAGALAN STRUKTUR LADDER PADA KAPAL ISAP PRODUKSI Hariyono Hariyono; Jefri Aldo
Wave: Jurnal Ilmiah Teknologi Maritim Vol. 16 No. 2 (2022)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jurnalwave.v16i2.5545

Abstract

 Riset ini bertujuan untuk menganalisis kegagalan struktur ladder pada Kapal Isap Produksi (KIP) Timah 19 yang telah mengalami patah ladder mengakibatkan beberapa komponen dan peralatan ladder seperti cutter hilang di dasar laut, salah satu penyebabnya yaitu pengaruh model bracing yang dipasang pada konstruksi pondasi katrol ladder sehingga menimbulkan biaya yang sangat besar untuk perbaikan ladder yang patah. Riset dilaksanakan menggunakan finite element analysis dengan pemodelan menggunakan bantuan software Ansys. Model ladder dibuat sesuai aktual dengan panjang ladder 59 meter. Kemudian dibuat masing-masing model diagonal bracing dan x-bracing khusus pada konstruksi pondasi katrol. Beban yang bekerja pada ladder untuk dua model sama yaitu berat pipa dan lumpur sebesar 1,42 x 105 N, berat cutter sebesar 0,57 x 105 N dan torsi cutter sebesar 0,67 x 108 N.mm. Hasil analisis menunjukkan bahwa tegangan maksimum terjadi pada komponen strut tepat di bawah pondasi katrol untuk model diagonal bracing sebesar 57,32 N/mm2 dibandingkan dengan model x-bracing sebesar 36,88 N/mm2. Hasil ini menunjukkan bahwa konstruksi brace yang dipasang pada area katrol ladder sangat mempengaruhi nilai tegangan sehingga untuk meminimalisir kegagalan struktur ladder khususnya pada area katrol sebaiknya menggunakan konstruksi x-bracing karena memiliki nilai tegangan minimum dibandingkan konstruksi diagonal bracing yang terpasang saat ini pada KIP.
Pelatihan Pengelasan SMAW Karang Taruna Desa Kresik Putih, Kecamatan Batulicin, Kabupaten Tanah Bumbu Jefri Aldo Aldo; Sandi Kurniawan; Rifki Asrul Sani; Rexanda Saveta; Hariyono Hariyono
AMMA : Jurnal Pengabdian Masyarakat Vol. 1 No. 09 (2022): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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Abstract

Welding technology is an applied technology, where this technology can be applied or applied in the form of products, both small and large products. The application of welding technology can be carried out in the world of education and society, in the world of education it can be done with formal education carried out in schools while in the community it can be done using training. Welding training in the community is carried out with a community service program, namely the SMAW welding training service in the village of Kresik Putih, this training applies SMAW welding technology to become a product. The training starts with an explanation of K3, an explanation of tools and materials, an explanation of the welding position, and welding applications to make products. The resulting product is a flower fitting holder used for the white creek village office. This training has had a positive impact on the community, where previously the community had not been able to understand welding technology, especially SMAW. This training can be used as capital to develop entrepreneurship.
ANALISIS KEKUATAN HELIDECK SANTOS SANGU PT. McDERMOTT INDONESIA Anwar Anwar; Hariyono Ismail
Construction and Material Journal Vol. 5 No. 2 (2023): Construction and Material Journal Vol. 5 No. 2 Juli 2023
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v5i2.5625

Abstract

Offshore building structures are buildings commonly used for oil and gas exploitation activities. The distance is quite far from the coastal area, it is necessary to support transportation facilities for the mobility of offshore structures such as ships and helicopters. To support this mobilization activity, a helicopter landing medium is needed, namely the helideck. This study aims to identify the shock loads that occur on the helideck and calculate the strength of the helideck santos sangu PT.McDermott Indonesia. This study used data from PT.McDermott Indonesia on one of the projects located in Block 16, Bangladesh. The helicopter data used in this study was a jet-A1 type helicopter with a maximum weight of 5307 Kg. The results showed that the value of the helicopter dynamic load on a normal landing was 10348.65 Kg with a working stress of 62163.41 N/mm2 and had an interaction ratio (IR) = 0.35, while for an emergency landing the dynamic load was 1724.75 Kg, the working stress was 103606.45 N/mm2, interaction ratio (IR)= 0.59.
ANALISIS KEGAGALAN PADA PROSES PEMOTONGAN MATERIAL MENGGUNAKAN MESIN TRULASER 5040 Kurniawan, Sandi; Aldo, Jefri; Hariyono, Hariyono
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 4 No. 2 (2023): Jurnal Armatur
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/armatur.v4i2.3932

Abstract

The material-cutting process is one of the critical stages in the manufacturing industry that can affect the quality and success of the final product. The TruLaser 5040 machine is a material-cutting machine that is often used in industry to cut various types of materials with high precision. However, even though this machine has been well designed, failures sometimes occur in the cutting process which results in defects in the material being processed. This study aims to analyze the failures that occur in the material-cutting process using the TruLaser 5040 machine. This research uses a qualitative approach with a descriptive research type and the research informants are machine operators. This study has several stages which include data collection through direct observation, interviews, and descriptive analysis of the collected data. The results of the research conducted found several factors causing failure in the material cutting process including human error, machine error, material error, cutting size error, and cutting defects. Things that can be done to avoid material cutting failures are ensuring the condition of the machine and its main components such as nozzles, protective glass, and so on are in good condition. Material conditions must also be adjusted to the cutting parameters on the machine which include cutting distance, tip diameter, current, gas pressure, and cutting speed so that dross and defects do not occur in the cutting material.
Analisis desain kapal ikan multifungsi 10 GT bertenaga hybrid dengan memanfaatkan energi terbarukan dan motor diesel di perairan Sulawesi Tenggara Djunuda, Rahmawati; Aras Mubarak, Azhar; Samaluddin, Samaluddin; Muhaimin, Abdul; Hariyono, Hariyono
Jurnal Ilmiah Giga Vol. 27 No. 2 (2024): Volume 27 Edisi 2 Tahun 2024
Publisher : Universitas Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47313/jig.v27i2.3848

Abstract

Fishermen operating in the waters of Southeast Sulawesi typically use fishing vessels powered by diesel engines. Additionally, the onboard basic electrical needs are met using batteries that must be manually charged, leading to increased time, costs, and workload for the fishermen. Given the vast potential of the region, an in-depth analysis is needed to explore the integration of renewable energy with diesel engines to better support local fishermen. This study aims to develop a design for a 10 GT multifunctional fishing vessel that incorporates a hybrid power system, utilizing solar energy as an alternative electrical energy source in combination with a diesel engine. The creation of this multifunctional vessel design will enable year-round operation by adapting to seasonal changes in Indonesia while maintaining high-quality catch production. The research findings indicate that a 10 GT fishing vessel with a length of 15 meters, width of 5 meters, and a draft of 0.75 meters can be equipped with a 40 PK diesel engine and a 60-volt electric outboard motor. The Compton method yielded a resistance of 9.8 kN and a power requirement of 50.5 kW. The Fung method calculated a resistance of 6.5 kN and a power of 33.3 kW, while the Holtrop method produced a resistance of 5.3 kN and a power of 27.4 kW. The proposed solar energy system for the vessel includes six solar panels, each with a capacity of 250 WP, providing power for both the ship's engine and onboard electrical equipment.
Computer-Based Simulation on LCB Positions in Indonesian Traditional Wooden Ship Luthfi Abdurrahman Abdurrahman; Andi Mursid Nugraha Arifuddin; Andi Ardianti Ardianti; Hariyono Hariyono; Musa Lolo; Reynadi Firzy Irawan; Pria Adi Pengestu; Dimas Prayoga; Aldo Pangestu; Muhammad Uswah Pawara
International Journal of Marine Engineering Innovation and Research Vol 9, No 4 (2024)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i4.22054

Abstract

A Traditionl Wooden ship in North Penajam Paser is built without initial calculation to predict the resistance that will occur based on the shape of the hull. The ship is built solely based on the main dimensions and the number of engines to be installed, without considering the optimal hull shape. The hull shape is an important component in supporting the hydrostatic performance of a ship. Planning the hull's shape affect the ship's resistance value and ultimately impacts the ship's engine power requirements. The purpose of this research is to obtain the resistance value of the existing ship and determine the hull shape with a lower resistance value through computer-based simulations. The computer simulation approach based Holtrop method is used to determine the position of the LCB point based on the hull shape. Then, it examine the effect of the LCB position on the ship’s resistance of the hull shape. The hull shape simulation was conducted without changing the ship’s main dimensions. The simulation result show that the position of the LCB on the existing hull shape is 8.514 m from the AP, with a ship resistance value is 7.4 kN. Meanwhile, the optimum hull shape was found when the location of the LCB point was moved 0.1 m forward from its initial position (model 4). The resistance value in Model 4 decreased by 3.8% compared to the initial resistance value. In addition to model 4, models 2 and 3 also reduced the ship's resistance value, with changes of 0.9% and 2.1%, respectively. Furthermore, this optimal hull shape can be developed in the next analysis stage, such as ship structure planning and other design analyses.
Co-Authors Abdul Muhaimin, Abdul Aldo Pangestu ALDO, JEFRI Andi Ardianti Ardianti Andi Mursid Nugraha Arifuddin Anwar Anwar Dimas Prayoga Djunuda, Rahmawati Jefri Aldo Jefri Aldo Aldo Luthfi Abdurrahman Abdurrahman M. Uswah Pawara mubarak, azhar aras Musa Lolo Pria Adi Pengestu Rexanda Saveta Reynadi Firzy Irawan Rifki Asrul Sani Samaluddin, Samaluddin SANDI KURNIAWAN Sandi Kurniawan