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All Journal IPTEK The Journal of Engineering TELEKONTRAN: Jurnal Ilmiah Telekomunikasi, Kendali dan Elektronika Terapan Jurnal Jalasena
Bagus Kusuma Aditya
Universitas Hang Tuah
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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STUDI ESTIMASI BIAYA PEMOTONGAN PELAT SECARA MANUAL BERDASARKAN WAKTU PROSES DAN KONSUMSI GAS POTONG PADA GALANGAN KAPAL Bagus Kusuma Aditya; Tri Agung Kristiyono
JURNAL JALASENA Vol 3 No 2 (2022): FEBRUARI 2022
Publisher : Fakultas Sains dan Teknologi Universitas Karimun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51742/jalasena.v3i2.533

Abstract

One of the dominant activities in the production process in shipyards is plate cutting. So that in this process, the cost of the cutting process will also have a large enough share. In the shipyard, manual cutting is still often encountered because the position and location of the plate cutting varies, although technologically there are automatic cutting machines which tend to be tied to the cutting location. In the Oxy-Lpg plate cutting study that has been carried out, the regression results are obtained, with the time equation Y = 33.826X – 0.9026, the Lpg consumption equation Y= 0.057 + 0.017X and the Oxygen consumption equation Y= -0.415 + 0.127X. based on the existing equation, the cost analysis of the cutting process obtained the cost of cutting the 6 mm plate IDR. 13,400 rupiah, the 8 mm plate IDR. 20,000 rupiah, 10 mm plate IDR 26,700 rupiah, 12 mm plate IDR 33,325 rupiah and 14 mm plate IDR 40,000 rupiah with a cutting length 100 cm
STUDI PENGARUH VARIASI JARAK NOZZLE TIP TERHADAP KEBUTUHAN GAS OXY-LPG DAN DURASI PADA PEKERJAAN PEMOTONGAN PELAT BADAN KAPAL SECARA MANUAL Syahrul Setyo Pambudi; Tri Agung Kristiyono; Bagus Kusuma Aditya
JURNAL JALASENA Vol 4 No 1 (2022): AGUSTUS 2022
Publisher : Fakultas Sains dan Teknologi Universitas Karimun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51742/jalasena.v4i1.605

Abstract

The process of manually cutting plates with oxy-LPG gas is still widely used in shipyards and ship sub-contractors in Indonesia, both in the production of new building ships and repairs. In the cutting process, one of the factors that can affect the quality of cutting is the use of a tip nozzle distance. In the shipping industry, it is often found that the use of the tip nozzle distance in the process of manually cutting plates varies. The purpose of this study was to determine the effect of the nozzle tip distance on the need for oxy – LPG gas and the duration of cutting. This research method was carried out using the experimental method of cutting plates. Based on the results of data analysis, it is known that the higher the use of the nozzle tip distance, the need for oxy-LPG gas will increase while the cutting duration is not. The linear regression equation obtained between the distance of the tip nozzle and the oxygen requirement is Y = 0.0171X + 0.5357 and the tip nozzle distance with the LPG needs is Y = 0.0071X + 0.06, and the polynomial order 2 non-linear regression equation obtained between the tip nozzle distance and the cutting duration is Y = 0.9895X2 – 19.312X + 310.09 and the optimal distance of the tip nozzle is obtained at a distance of 9.758 mm with a cutting duration of 215.862 seconds.
Hydrodynamic Force Comparison on Multi-Hull, Monohull and Single-to-Twin After Ship Hull (STASH) Based on Seakeeping Criteria Gde A Prabhawatya Poundra; Bagus Kusuma Aditya; Sinung Widiyanto
IPTEK The Journal of Engineering Vol. 10 No. 3 (2024)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23378557.v10i3.a21144

Abstract

An investigation into the hydrodynamic force and seakeeping of single-to-twin after ship hull (STASH) and multi-hull geometry was done successfully. STASH is characterized by its monohull-shaped design in the fore part and twin hull in the rear part creating unique performance, especially seakeeping which being the focus study to provide seaworthiness. The method of accomplishing this study was through computer simulation using Maxsurf: Motion for seakeeping and hydrodynamic force analysis. The overall results were compared with published data and mathematical models for validation purposes. The results are believed to be useful for the development of the ship design and performance.
Alat Deteksi Persentase Penyusutan Kadar Air Pada Sample Rumput Laut Berbasis Air Fryer Yang Dimodifikasi Safriudin Rifandi; Bagus Kusuma Aditya; Nuhman Nuhman; Muh. Taufiqurrohman; Suryadhi Suryadhi; Joko Subur; Tri Agung Kristiyono; Nurul Rosana; Indra Widyadharma
Telekontran : Jurnal Ilmiah Telekomunikasi, Kendali dan Elektronika Terapan Vol. 13 No. 1 (2025): TELEKONTRAN vol 13 no 1 April 2025
Publisher : Program Studi Teknik Elektro, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/telekontran.v13i1.15640

Abstract

Abstract - Seaweed is one of the biological resources that is very abundant in Indonesian waters. Indonesia's seaweed export products are currently still dominated by seaweed products, reaching 80%. For export needs, the water content of seaweed must reach around 15%. To achieve export standard moisture content, wholesalers or industries usually carry out the seaweed drying process independently. Meanwhile, to avoid losses in exporting dried seaweed, they test seaweed samples to be purchased to determine the percentage of water content reduction in the seaweed. In the testing process, currently we are still using a small oven with a gas-burning stove and a separate digital scale. The use of this device is felt to be less effective and less flexible in its application. Therefore, we need a tool that is integrated into one and is small in size to detect the percentage of water content reduction in seaweed samples. In this research, experimental methods were used in testing equipment and collecting data. The results of the experiment showed that a good temperature to use in drying seaweed samples was 160 OC with the result that the seaweed was dry but not burnt. Meanwhile, the shrinkage percentage is around 34.72%.
Co-Authors Gde A Prabhawatya Poundra Indra Widyadharma Joko Subur Kristiyono, Tri Agung Muh. Taufiqurrohman Nuhman Nuhman Nurul Rosana, Nurul Safriudin Rifandi Sinung Widiyanto Suryadhi Suryadhi Syahrul Setyo Pambudi