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Perancangan Spreader bar sebagai Alat Bantu Pengangkatan pada Proses Erection Isna Dewi Assa Ashariyani; Pranowo Sidi; Priyambodo Nur Ardi Nugroho
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 7 No 1 (2023): Conference On Design And Manufacture Its Application
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

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Abstract

The lifting process is needed, among other things, to move goods and maintain the position of the equipment. In this lifting process, spreader bars are needed because the size of the equipment being lifted is too large, but the sling must not hit the equipment. This spreader bar will work with high intensity due to repeated or cyclical load treatment, so fatigue in the structure is likely to occur. Thus, it is necessary to analyze the strength of the structure and estimate the life of the spreader bar. The design method used is the Ulrich method, which involves creating three design concepts from which the best design will be selected according to the selection criteria. Modeling is done with Fusion 360 software, and strength and fatigue life analysis is done using ANSYS Workbench 2023 R1 software with the aim of knowing the amount of stress from the loading received by the structure. The strength analysis of the spreader bar structure in the selected design concept obtained a maximum stress value of 154.71 MPa; this value is still at a safe limit because it is below the maximum allowable stress value of 166.667 MPa, and the safety factor obtained is 5.6026. This value is safe because it is greater than 1. The total estimated material cost required for this spreader bar is IDR 21,866,910.67.
Studi Pendahuluan Sistem Akuakultur Cerdas Berbasis Online Monitoring Terhadap Unjuk Kerja Kincir Aerasi Muh. Anis Mustaghfirin; Priyambodo Nur Ardi Nugroho; Dwi Sasmita Aji Pambudi; Eky Novianarenti
Infotekmesin Vol 13 No 2 (2022): Infotekmesin: Juli, 2022
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v13i2.1534

Abstract

This article discusses a preliminary study of developing a paddlewheel aerator for shrimp ponds using an integrated intelligent aquaculture system to support intensification. Two paddlewheel aerators with different phases have been successfully installed. The test was carried out on two different types of motors, which were intended to comprehend the performance of every motor on a paddlewheel aerator. The ratio of the speed values for a single-phase motor was 102 rpm and for a 3-phase motor was 110.3 rpm. The data from the performance observation of the aeration wheel motor can be viewed via a smartphone using a website application. The data displayed from the observations are in the form of data on voltage, current, frequency, power, power factor, and the power generated by the pinwheel motor. The test results show the performance of the aeration wheel motor that works under normal conditions with an average measurement error of 0.23%, below the acceptable error limit of 0.5%. This research forms the basis for a smart aquaculture system that can be developed domestically to support local industries in Indonesia.
APLIKASI COMPUTATIONAL FLUID DYNAMIC PADA ANALISIS DAMPAK BULBOUS BOW TERHADAP HAMBATAN KAPAL BANTU CAIR MINYAK: Application of Computational Fluid Dynamic in Analyzing The Impact of Bulbous Bow on Resistance of Auxiliary Oil Vessel Maulidah, Alina Rizka; Karyono, Tri; Priyambodo Nur Ardi Nugroho; Wulandari, Dyah Arum
Jurnal Konversi Energi dan Manufaktur Vol. 9 No. 2 (2024)
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/JKEM.9.2.5

Abstract

The concept of oil liquid auxiliary vessel combines tanker and container ship features, designed to achieve high speed while maintaining the same displacement, necessitating design analysis to optimize hull resistance. One approach used is the addition of a bulbous bow to the hull. This study compares the resistance between the conventional hull of BCM-3 and the bulbous bow-equipped hull of BCM-4 using computational fluid dynamic (CFD) method with NUMECA. Speed variations used were 16 knots, 17 knots, and 18 knots. The research results show that the use of a bulbous bow on BCM-4 yields more optimal total resistance, with respective resistance values of 339.807 N at 16 knots, 374.558 N at 17 knots, and 497.606 N at 18 knots.
Increasing the Financial Management Skills of Blambangan Raya Perkasa Banyuwangi Shipyard Employees: Peningkatan Kecakapan Pengelolaan Keuangan Karyawan Galangan Kapal Blambangan Raya Perkasa Kabupaten Banyuwangi Radianto, Denny Oktavina; Gaguk Suhardjito; Rachmad Tri Soelistijono; Priyambodo Nur Ardi Nugroho; Danis Maulana
Dinamisia : Jurnal Pengabdian Kepada Masyarakat Vol. 7 No. 6 (2023): Dinamisia: Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/dinamisia.v7i6.16280

Abstract

The Indonesian shipping industry still needs to be developed so that the nation's sovereignty over maritime areas and the country's economic growth can be realized. The domestic shipbuilding industry has limitations which result in the number of Indonesian ship fleets being small and uneven. This increases the risk of illegal exploitation of marine resources by ships from foreign countries. Human resource development is still considered to be a very important point in efforts to realize progress in the shipping industry. Therefore, financial management training for shipyard employees in the context of community service will be carried out on a hybrid basis in August 2023. Based on a questionnaire supported by interviews, the participant satisfaction level was obtained at 4.36 on Scale 5. The obstacles that emerged during the training process were distance and time limitations. participants who are company employees who are far from the training provider institution.