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All Journal ROTOR: JURNAL ILMIAH TEKNIK MESIN Justek : Jurnal Sains Dan Teknologi International Journal of Marine Engineering Innovation and Research International Journal of Science, Engineering and Information Technology Jurnal Revolusi Indonesia Jurnal Multidisiplin Madani (MUDIMA) Jurnal Teknologi Maritim
Hadi Prasutiyon
Hang Tuah University
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation

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ANALISA SIFAT FISIK DAN KIMIA PELUMAS PADA UJI KETAHANAN MOTOR DIESEL BERBAHAN BAKAR JME B20 Hadi Prasutiyon; Aguk Zuhdi Muhammad Fathallah; Urip Prayogi
Jurnal Revolusi Indonesia Vol 1 No 5 (2021): Jurnal Revolusi Indonesia
Publisher : Fenery Library

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.1235/jri.v1i5.123

Abstract

Penelitian ini difokuskan pada penilaian sifat fisik dan kimia pelumas saat dipakai pada uji ketahanan komponen utama motor diesel dengan bahan bakar biodiesel Jelantah Methyl Ester (JME) yang mengandung iodin dan pengaruhnya terhadap ketahanan komponen-komponen utama motor diesel. Penelitian ini dilakukan dengan pengujian eksperimen di laboratorium dan diperoleh hasil bahwa komponen-komponen diesel dengan bahan bakar biodiesel JME dengan varian kandungan iodin ini sangat terpengaruh ketahannya terutama JME yang mempunyai kandungan iodin yang lebih besar. Kandungan iodin dalam pengujian ini terbesar 67,14 (Gravitri), angka yang masih diijinkan oleh Standart SNI yaitu maks.115, namun hal ini sudah membawa dampak yang kurang bagus terhadap komponen-komponen yang mempunyai kandungan logam Fe dan Al, apalagi dengan water content sebesar 0,13%,cetane index sebesar 46,22, sediment content 9,78%, dengan flash point sebesar 188oC juga dengan kinematic viscosity pada 40oC sebesar 17,6 cSt, hal ini menyebabkan disamping proses pembakaran diruang bakar tidak sempurna , juga membuat komponen-komponen yang bersentuhan mengalami penurunan karakteristik propertis yang pada akhirnya membuat komponen tersebut mengalami keausan, berkerak dan berkarat. Oleh karenanya diperlukan performance biodiesel JME yang lebih bagus dengan tingkat nilai iodin yang rasional, dengan harapan biodiesel JME ini benar-benar menjadi bahan bakar alternatif secara ekonomis, fiesibel sebagai pengganti bahan bakar fosil.
RANCANG BANGUN SIMULATOR SISTEM TREATMENT BAHAN BAKAR BIODISEL B20 PADA TANKI INDUK BAHAN BAKAR KRI YOS SUDARSO Hadi Prasutiyon; Arif Winarno; Edlyn Criptosan
ROTOR Vol 13 No 2 (2020)
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (443.32 KB) | DOI: 10.19184/rotor.v13i2.20586

Abstract

Biodiesel B20 is a mixture of 80% fossil diesel fuel and 20% biofuel. When using B20, the fuel has problems in the form of jelly or mud deposition, so it needs to be overcome by treatment. The treatment that is used today uses a circulation pump but has shortcomings and is not efficient so it needs to be modified using a stirrer. In this research, an analysis of the stirrer treatment using ANSYS software simulation method was carried out to determine the change of sediment before and after stirring, with stirring speed 150 rpm. The use of a stirrer simulation is to make 2 simulation models in the main tank as the largest volume and the daily tank as the smallest volume aims to determine the differences in the results of stirring in the largest and smallest tank.. At the time of stirring, the result is a decrease in sediment from 0 minutes to 4 minutes, then 4 minutes to 8 minutes, then 8 minutes to 12 minutes, then 12 minutes to 16 minutes, then 16 minutes to 20 minutes the fuel has decreased very much and the sediment is almost gone. When stirring is carried out for 20 minutes, the sediment in the fuel tank has not reached 0% so it needs to be stirred continuously until the deposit is 0%. After the fuel has not settled, the fuel is transferred to the main engine using a transfer pump.
Analisa Pengaruh Pemeliharaan Machinery Dari Annual Survey Ke Intermediate Survey Dengan Menerapkan Maintanance Management System Hadi Prasutiyon; Firdaus Dedy Kurniawan
Justek : Jurnal Sains dan Teknologi Vol 4, No 1 (2021): Mei
Publisher : Unversitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/justek.v4i1.4476

Abstract

Abstract:  In the field of shipping, maintenance of ships needs to be done to maintain the durability of the ship so that the life time is long so that the level of smooth productivity is not disturbed due to damage to the ship. Apart from that, regular surveys are also conducted to check the condition of the ship as well as to collect data on ships in the class. Ship maintenance in ensuring the implementation of the planned maintenance system (PMS) on the ship must meet the requirements. The survey studied in this study is about maintenance methods that are considered inaccurate in selecting the method of maintaining machinery and not applying a management which has an impact on work effectiveness. The research method used is a periodic survey method accompanied by implementing a Maintenance Management System tailored to the needs of the company. So that there are two main studies, namely the Annual Survey System and the Intermediate Survey System. This is to determine the right method for the company in calculating in terms of material, cost and time as well as maintenance management for each activity in order to create more effective work.Abstrak: Pada bidang perkapalan perawatan kapal perlu dilakukan untuk mempertahankan ketahanan kapal agar life time nya lama sehingga tingkat produktifitas lancar tidak terganggu akibat adanya kerusakan pada kapal. Selain itu juga dilakukan survey secara berkala untuk pengecekan kondisi kapal sekaligus pendataan kapal pada kelas.  Perawatan kapal dalam menjamin terlaksananya pelaksanaan sistem pemeliharaan terencana (PMS, Planned Maintenance System) di kapal harus memenuhi persyaratan. Survey yang dikaji dalam penelitian ini adalah mengenai metode pemeliharaan yang dianggap belum tepat dalam pemilihan metode pemeliharaan machinery dan tidak diterapkanya sebuah management yang berdampak kepada efektivitas kerja. Metode penelitian yang digunakan adalah metode survey periodik disertai dengan menerapkan Maintenance Management System yang disesuaikan dengan kebutuhan perusahaan. Sehingga didapat dua kajian utama yakni Annual Survey System dan Intermediate Survey System. Hal ini untuk mengetahui metode yang tepat  bagi perusahaan dalam menghitung  dari segi material, biaya dan waktu serta pengelolaan pemeliharaan pada setiap kegiatan agar tercipta pekerjaan yang lebih efektif.
Biodiesel Waste Cooking Oil is Environmentally Friendly Alternative Fuels and More Feasible than Fossil Fuels Hadi Prasutiyon; Aguk Zuhdi MF
International Journal of Marine Engineering Innovation and Research Vol 5, No 3 (2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (300.467 KB) | DOI: 10.12962/j25481479.v5i3.6836

Abstract

The use of diesel engines is increasing at the moment, the other hand, supplies of petroleum base diesel oil in the market decreasing. Therefore we need alternative fuels to use as supplement fuel for diesel engines. Biodiesel processing can be done with the process of esterification and transesterification. Biodiesel is processed from used cooking oil can be done only by the transesterification process. Ester transesterification is the process of converting into esters in another form by reacting carboxylic esters and alcohols with an alkaline catalyst (NaOH), in processing biodiesel transesterification process is the process of converting triglycerides of cooking oil into methyl or ethyl ester as biodiesel. According to various studies, biodiesel derived from waste cooking oil proved to be more environmentally friendly fuels than the results are known and used today. Nitrogen Monoxide emission levels (NOx) in the biodiesel from used cooking oil to produce emissions 12% lower than emissions produced by diesel oil. Another advantage, the exhaust emissions of the unburned form of carbohydrates produced biodiesel used cooking oil turned out to be 25% lower than on diesel oil. The diesel engine durability test, performance analysis, analysis of the degree of damage is indicated by the metal content in lubricants, and test the properties of each lubricating it can be some conclusions as follows.
STRATEGY SURVIVELY IN THE MIDDLE OF UNCERTAINITY PANDEMI COVID-19 MARITIME SECTOR BUSINESS Hadi Prasutiyon; R.O Saut Gurning
International Journal of Science, Engineering, and Information Technology Vol 5, No 1 (2020): IJSEIT Volume. 05 Issue. 01 DECEMBER 2020
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/ijseit.v5i1.7288

Abstract

The Covid-19 pandemic crisis of 2020, different from previous crisis / disasters, given the uncertainty, no one can predict or look ahead, when the end of this crisis is over. Global impact that touches almost all sectors and is directly related personally and family. Fast-moving events, we talk day by day, with a situation that is changing and unprecedented. This requires us to make policies, responses and rapid mitigation of impacts on shared covid-19. Management policies must reach the infrastructure, work and engagement sectors required to be fast and appropriate. In dealing with such situations, it is necessary to apply crisis management, so that the main things that must be prioritized can be found. The government is expected to provide fiscal incentives, especially to national companies, in the form of tax breaks, small loans, or other assistance. So that the company can survive to avoid layoffs and be able to rise again after going through this crisis.
Planning of a Hybrid Propulsion System for Purse Seine Fishing Vessels in Mayangan, Probolinggo, East Java Hadi Prasutiyon; Arif Winarno; Semin Semin; Toto Soeharmono; Erik Sugianto
International Journal of Marine Engineering Innovation and Research Vol 8, No 3 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v8i3.15575

Abstract

The Mayangan Beach Fisheries Port (BFP) in Probolinggo City is a fishing port that was established using a combination of funds from the APBN, APBD of East Java province and APBD of Probolinggo city. Equipped with basic and functional facilities to support various fishing activities, fishing vessels generally use a mechanical propulsion system driven by a diesel engine. The results of the government's decision to increase fuel prices by 8,000 rupiah per liter, were then supported by a survey which showed that fishermen needed as much as 110 liters of fuel for a journey of approximately one hour for one trip, with these conditions making fishermen, especially in the Mayangan district, Probolinggo very objection by increasing the price of fuel that will be used to go to sea, so that with the problems complained of by fishermen on the Mayangan coast, Probolinggo about rising fuel prices, this refers to researchers planning a hybrid propulsion system to reduce consumption of the use of fuel that will be used for purse seine fishing boats. The results showed that the main engine specifications for the Mitsubishi ship were 6D24-Mpt (A) with 228 Kw power, then the Yanmar Ytg 15 Tlv generator, while the electric motor specifications that would be used were Weg Tru Metric 132 Kw / 175 HP, as well as batteries for storing battery energy which had specifications J185-Agm Vrla Agm / Non-Spillable. The difference in fuel consumption in the conventional system and the hybrid system looks quite significant. Using a hybrid propulsion system can produce fuel savings of up to 30% when compared to using a conventional engine.
PENGELOLAAN PELABUHAN CARTAGENA SPANYOL SEBAGAI KERANGKA OPTIMALISASI PELABUHAN DI NEGERI SENDIRI Hadi Prasutiyon; RO Saut Gurning
Jurnal Teknologi Maritim Vol 1 No 2 (2018): Jurnal Teknologi Maritim
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M) - PPNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/jtm.v1i2.827

Abstract

Dampak ekonomi dari pengembangan Pelabuhan Cartagena sangat pesat dalam kurun waktu 10 tahun terakhir. Hal ini ditunjukkan dengan adanya kenaikan Product Domestic Regional Bruto(PDRB) sektor kelautan dengan Gross Value Added(GVA) dari nilai 1,1% menjadi 3,81% dan nilai 0,1% menjadi 2,11% untuk sektor tenaga kerja. Dengan metode Regional Input-Output Tables(R-IOT) dan metode pendekatan Input-Output(I-O) didapat data dan angka – angka yang bisa memberikan beberapa terobosan pengembangan dari sektor forex pelabuhan maupun sektor pariwisata maritim, sehingga Pelabuhan Cartagena sebagai pemberi impact terbesar ke 5 dari 28 pelabuhan yang ada di Spanyol dan menempatkan Spanyol menduduki peringkat 2 dalam hal kedatangan turis dengan kapal pesiar di Eropa setelah Italia.Indonesia juga mencontoh dengan strategi yang sama sektor-sektor yang mempengaruhi PDRB,tenaga kerja pada sektor kelautan,keringanan bidang pajak, kemudahan bidang tenaga kerja, jaminan keamanan bagi investor yang menanam modalnya disektor kelautan, dengan didukung oleh akses-akses transportasi yang mudah, cepat, dan simpul-simpul kemacetan ditiadakan. Seluruh akses yang menuju kepusat-pusat ekonomi kelautan diperbaiki, industri pendukung baik dari sektor swasta maupun Badan Usaha Milik Negara(BUMN) juga berbenah. Indonesia mulai memandang laut sebagai masa depan,tidak lagi membelakangi laut, seluruh aktifitas dan kebijakannya bersifat sustainable .Potensi kelautan yang demikianlah yang dapat menjamin masa depan generasi mendatang menjadi lebih baik.
Analysis of National Security Risks in Indonesia's Three Trouble Spots as an Impact of the Development of BRI and FOIP in the Southeast Asian Region Himam, Mohamad Faikhul; Suparno; Purnomo, Joko; Hadi Prasutiyon
Jurnal Multidisiplin Madani Vol. 4 No. 7 (2024): July 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/mudima.v4i7.10156

Abstract

China is developing a Belt and Road Initiative (BRI) strategy to increase its geopolitical influence in the Southeast Asian region. The United States made the Free and Open Indo-Pacific America (FOIP) policy to offset China's geopolitical influence.This study aims to determine the national security risks that occur in 3 touble spots in Indonesia as a result of the development of BRI and FOIP in the Southeast Asian region. This study uses the Analytical Hierarchy Process (AHP) Method and Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) approaches. Risk analysis on three Indonesian trouble spots shows that the area with the greatest risk is in the trouble spot 1 area (North Natuna Sea) with a value of 0.202 at level 1 very low. Meanwhile, the trouble spot 2 area (Ambalat) with a value of 0.040 is at level 1 very low and the trouble spot 3 area (Papua) with a value of 0.164 is at level 1 very low. This analysis shows that adjusting the weights and scores used in evaluating national security trouble spots can improve the decision-making process, as it shows the important role these factors play in risk ratings in each region
Co-Authors Aguk Zuhdi MF Arif Winarno Edlyn Criptosan Fathallah, Aguk Zuhdi Muhammad Gurning, Raja Oloan Saut Himam, Mohamad Faikhul Joko Purnomo Kurniawan, Firdaus Dedy R.O Saut Gurning Semin Semin Sugianto, Erik Suparno Toto Soeharmono Urip Prayogi