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Fluid Flow Analysis of Jacket Cooling System for Marine Diesel Engine 93 Kw Aguk Zuhdi Muhammad Fathallah; Wolfgang Busse; Fadhil Rizki Clausthaldi
International Journal of Marine Engineering Innovation and Research Vol 1, No 2 (2017)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (500.761 KB) | DOI: 10.12962/j25481479.v1i2.2028

Abstract

The main function of cooling system is to control the temperature in the engine. To know the flow in the jacket cooling system for marine diesel engine 93 KW and the couple simulation between 1D modeling and 3D modeling, the methodology used. The analysis process was performed by using 3 diffrent softwares. The methodology to analysis fluid flow is CFD (computational fluid dynamic) with steps were problem identification, literature study, design the jacket cooling system based on the cummin diesel engine 93 KW, 1D modeling of cooling system, 3D modeling fluid flow in jacket cooling system, and conclusion. The input of 3D jacket cooling simulation are mass flow, fluid temperature, wall temperature, and heat transfer. The result from this bachelor thesis is fluid flow in jacket cooling system and another parameter output such as temperature flow and velocity if fluid in the jacket cooling system. The result of the flow in jacket cooling is much turbulance in various are of jacket cooling its mean the jacket cooling have a good enfficiency of heat transfer, and the fluid temperature show the increasing temperature from inlet to outlet because of heat transfer happen in the jacket cooling between wall of jacket cooling and fluid. The engine speed will affect the cooling system, if the engine speed is increasing, the speed of flow will increase because the cylinder block need more coolant and the temperature of cylinder block will increase
Penggunaan Kobalt-Aerosil Komponen Fiberglass Pada Pelapisan Lambung Perahu Nelayan Rumput Laut Dusun Pattontongan Jeneponto Farianto Fachruddin; Syamul Asri; M. Risal Firmansyah; Wahyuddin Mustafa; Zulkifli Yusuf; Lukman Bochary; Misliah Idrus; Abdul Haris Djalante; Fadhil Riski Clausthaldi
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 4 No 2 (2021): Community Empowerment through Health Awareness in the New Normal
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v4i2.211

Abstract

Seven sub-districts in Jeneponto Regency are located in coastal areas and are producers of seaweed. Binamu District is the largest producer of seaweed in Jeneponto Regency (14% of total seaweed production). “Cahaya Laut” consists of ten members from a group of fishermen and seaweed farmers in Binamu District, (Pattontongan village). Small boats are the operational means of seaweed cultivation which often experience hull damage due to landings. These boats are generally made of wood or fiberglass. This activity aims to introduce fiberglass material components as reinforcement for the outer layer and function as a substitute for boat hull paint. This component can be a solution to the problem of fishermen/cultivators. The component is cobalt-aerosil or known as HDK (trade namely). This material serves to increase the viscosity and strength of the resin polymer as a fiberglass-forming matrix. The implementation of this service consists of two activities, namely: first, providing counseling and explanations related to the function, purpose, showing the form of Cobalt-Aerosil (HDK) and the theory of its use. Second, materials are implementing on the damaged boat hull as an exercise. From this activity, the participants seemed very enthusiastic and just understood that so far in the use of fiberglass material, they have never used HDK components. From the results of the repair of the boat's hull, it can be seen that they are happy because the hull layer has been colored as desired without needing to be painted and has a fairly high hardness. As a follow-up to this service activity, fishermen/cultivators will repair their boats by using HDK components together with resin and coloration as the hull lining.
Sosialisasi Standar dan Prosedur Keselamatan Pelayaran Penyeberangan Rute Kera Kera – Lakkang Misliah Idrus; Fadhil Rizki Clausthaldi; Wihdat Djafar; Farianto Fachruddin; Andi Sitti Chairunnisa; Abd. Haris Djalante; Hamzah A.; Andi Dian Eka Anggriani; Rifkah Fitriah
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 5 No 1 (2022): Kebersamaan dalam Membangun Masyarakat Tangguh dan Gesit
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v5i1.222

Abstract

Lakkang is an island surrounded by rivers and has a regular mode of transportation that is used by the community to meet their daily needs in the city of Makassar. The ferry transportation (boat) used has two hulls (catamaran) with a carrying capacity of 20 passengers and 8 two-wheeled vehicles. The number of boats operating as many as 5 units of ships from the Kera-Kera pier to Kampung Lakkang with an average number of trips 4 trips per unit per day. The principle of shipping safety states that a ship that wants to sail must be in a seaworthy condition. In addition, the ship is worthy of receiving the cargo and its transportation and protecting the safety of the cargo, passengers and crew (ABK). This activity was carried out with a total of 30 participants which included boat transportation service operators, the most common being coastal communities and island communities, as well as transportation user services. Submission of service material is done by means of individual interviews. The interview process was also supported by the procurement of pocket books and pamphlets to facilitate participants' understanding of the safety materials presented. Public awareness and understanding of safety during travel during service. It is hoped that in the future the community will be able to implement shipping safety procedures on these ferry transportation services to reduce the risk of shipping accidents.
Penyuluhan tentang Keselamatan dan Kesehatan Kerja (K3) Bagi Pengrajin Kapal Kayu di Galangan Kapal Rakyat Kabupaten Takalar Mohammad Rizal Firmansyah; Syamsul Asri; Farianto Fachruddin; Wahyuddin Wahyuddin; Wihdat Djafar; Fadhil Rizki Clausthaldi; Ganding Sitepu; Rosmani Rosmani; Andi Siti Chaerunnisa; Muh. Akbar Aziz
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 5 No 2 (2022): Mengembangkan Kehiodupan Masyarakat melalui Kesatuan dan Kekuatan
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v5i2.352

Abstract

The process of wooden boats building in a traditional wooden boat shipyards in South Sulawesi is still carried out in the traditional way. Their ship building expertise and techniques were passed down from generation to generation from their predecessors. Hence, the current method of building ships is still the same as their predecessors. However, the current craftsmen are using electrical equipment already to help to complete their work, such as electrical cutting machine for cutting wood, boards or pegs. As with their predecessors, in building their ships, they have not implemented occupational safety and healthy (OSH) in their ship building procedures. In an initial interviews with wooden ship craftsmen, it was found that several wooden ship craftsmen had experienced work accidents which resulted in minor and serious injuries and in one or two cases some died. Therefore, it is necessary to introduce occupational safety and healthy (OSH) for wooden ship craftsmen at the traditional shipyards in South Sulawesi. The partners for this activity were the wooden ship craftsmen group called “Torani” in Galesong District, Takalar Regency. The aim is to provide an understanding of the importance of OSH aspects and then apply preventive measures to activities that can cause accidents and occupational health problems in their work environment. The result shows that all craftsmen have understand the importance of OSH aspects in their daily work.