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All Journal Jurnal Teknik ITS Jurnal Purifikasi International Journal of Marine Engineering Innovation and Research Jurnal Revolusi Indonesia Sewagati
Fathallah, Aguk Zuhdi Muhammad
Departemen Teknik Sistem Perkapalan Institut Teknologi Sepuluh Nopember Surabaya
Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering 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 Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Pengenalan dan Pemberian Wawasan Sistem Propulsi Kapal pada Siswa SMA Insan Cendekia Sukoharjo Adhi Iswantoro; I Made Ariana; Semin; Aguk Zuhdi Muhammad Fathallah; Beny Cahyono
Sewagati Vol 6 No 4 (2022)
Publisher : Pusat Publikasi ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1390.907 KB) | DOI: 10.12962/j26139960.v6i4.376

Abstract

Sejalan dengan visi pemerintah Indonesia di era Presiden Joko Widodo yaitu ingin membuat Indonesia menjadi poros maritim dunia, maka ada banyak hal yang harus disiapkan. Salah satunya adalah menumbuhkan jiwa bahari pada masyarakat Indonesia, khususnya generasi muda sebagai penerus bangsa serta menyiapkan sumber daya manusia yang handal di bidang maritim. Dimana saat ini cukup banyak generasi muda yang kurang mengenal sektor maritim. Atas dasar hal-hal tersebut, maka perlu ada kegiatan yang betujuan untuk kembali menumbuhkan jiwa bahari. Salah satu cara yang cukup efektif untuk mengatasi permasalahan tersebut diatas adalah dengan melakukan pengenalan dan pemberian wawasan bahari dan maritim pada generasi muda, yaitu pada siswa-siswi sekolah menengah atas atau kejuruan. Untuk itu tim pengabdian masyarakat membuat suatu kegiatan yang melibatkan pihak sekolah, yaitu SMA Insan Cendekia Sukoharjo. Dalam kegiatan ini dilakukan pengenalan mengenai Indonesia sebagai bangsa bahari & kepulauan, perjuangan Ir. Juanda dalam bidang maritim dan sistem propulsi yang ada di kapal. Dari hasil kegiatan tersebut, di awal memang mayoritas siswa belum mengetahui tentang bidang maritim. Akan tetapi para siswa sangat antusias ketika sesi tanya jawab berlangsung. Dalam kegiatan ini dihadiri oleh Wakil Kepala sekolah bidang akademik dan 35 siswa.
Penerapan Konverter-kit Bahan Bakar Ganda untuk Mesin Kapal Nelayan di Kalanganyar Sidoarjo Adhi Iswantoro; I Made Ariana; Semin; Aguk Zuhdi Muhammad Fathallah; Beny Cahyono
Sewagati Vol 7 No 3 (2023)
Publisher : Pusat Publikasi ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j26139960.v7i3.516

Abstract

Penggunaan bahan bakar minyak (BBM) di masyarakat untuk transportasi, termasuk nelayan masih sangat tinggi, sementara penggunaan bahan bakar gas (BBG) pada sektor transportasi masih tergolong rendah. Padahal BBG memiliki banyak keunggulan, yakni lebih murah dan lebih bersih dari segi emisinya. Ketergantungan pada satu jenis bahan bakar ini sangat berpengaruh pada kesiapan operasional kapal nelayan. Banyak nelayan yang terpaksa tidak mencari ikan karena harga BBM dianggap mahal atau terkadang tidak tersedia di pasaran. Salah satu cara menyelesaikan masalah tersebut adalah dengan adanya bahan bakar jenis lain selain BBM, yaitu BBG. Salah satu BBG yang bisa digunakan adalah Liqufied Petroleum Gas (LPG), karena relatif mudah didapatkan masyarakat. Penggunaan bahan bakar ganda antara LPG dan BBM bertujuan agar konsumsi BBM bisa minimal, sehingga bisa menghemat biaya operasional kapal, selain juga emisi yang dihasilkan lebih rendah. Untuk itu perlu adanya modifikasi pada mesin diesel kapal nelayan yaitu dengan pemasangan konverter kit. Sasaran dalam kegiatan pengabdian ini adalah nelayan di Kalanganyar, Sidoarjo, Jawa Timur.
Analysis of The Injection Pressure Effect on Single Cylinder Diesel Engine Power with Diesel Fuel-Methanol Blend Aguk Zuhdi Muhammad Fathallah; Adhi Iswantoro; Semin Iswantoro; Beny Cahyono; I Made Ariana; Ananda Rizky Budi Pratama
International Journal of Marine Engineering Innovation and Research Vol. 7 No. 2 (2022)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v7i2.5615

Abstract

The use of fossil diesel fuels still produces carbon dioxide emissions (CO2), sulphur dioxide (SO2), hydrocarbon emissions (HC), nitrogen oxide (NOx), and high total particles and carbon monoxide (CO). Moreover, the need for transportation of motor vehicles will always increase every year. The emission of exhaust gases resulting from the combustion process can essentially be reduced by improving fuel quality, the homogeneity of the fuel mixture, and regulating proper combustion. There are several ways to reduce exhaust emissions from diesel engines by providing precise injection pressures. This is done to get the perfect combustion. In addition, improving fuel quality is a way to reduce emissions of exhaust gases. Another one is by adding methanol to the diesel. The addition of methanol can reduce the emission of exhaust gas produced. The process of mixing the solar and methanol takes the addition of surfactants to obtain good homogeneity. Testing was conducted using simulation software with engine modeling. The result can be seen in the reduction and the addition of standard pressure 200 bar, that the emulsion fuel in SFOC (specific fuel oil consumption) suffered a decrease and increased by 0.2% and 0.3% at pressure 160 bar and pressure 240 bar. The fuel solution on SFOC suffered a decrease and an increase of 0.3% and 0.25% was produced by pressure 160 bar and pressure 240 bar. The highest NOx is produced by 240 bar injection pressures with Dexlite fuel while the lowest NOx is produced by 160 bar injection pressure with emulsion fuel.
The Effect of Blend Fuel Waste Plastic and Waste Cooking Oil on Diesel Engine Performance based on Simulation Aguk Zuhdi Muhammad Fathallah; Adhi Iswantoro; A Karomur Roziq F
International Journal of Marine Engineering Innovation and Research Vol. 5 No. 3 (2020)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v5i3.5998

Abstract

Nowadays, polypropylene plastics are very often found and cause various environmental problems. Though it is known that along with polypropylene itself comes from propylene monomers obtained from refining petroleum. Besides the use of waste cooking, biodiesel fuel has many drawbacks, one of which is power and fuel consumption. Mixing polypropylene plastic waste for reuse with waste cooking oil biodiesel is an option. This study uses five variations of fuel, namely HSD, B30, C20, C30, and C40, a combination of HSD, waste cooking, and polypropylene. This research is based on experiments to analyze the impact of using these five variations of fuel on the performance diesel engines based on simulation. The performance of the diesel engine would be measured to SFOC, power, and torque produced by each fuel. Based on the results of the analysis of the performance of the diesel engine performance of C20, fuel can be the most optimum alternative fuel to the substitute B30, producing 6.0 kW of power, 238gr / kWh of SFOC, and 31.7Nm of torque.
The Effect of Using Various Magnetic Materials on Diesel Engines using Biodiesel Fuel Aguk Zuhdi Muhammad Fathallah; Adhi Iswantoro; Hafiz N. H. Perdana
International Journal of Marine Engineering Innovation and Research Vol. 5 No. 2 (2020)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v5i2.6012

Abstract

One of method to improve engine performance and reduce fuel consumption is to use exposure to magnetic fields in the fuel lines. Several studies have proven that magnetic field exposure can improve diesel engine performance. This research aims to test the performance of a diesel engine using fuels that are given a magnetic field from 3 types of permanent magnets, namely magnets made from Neodymium Iron Boron (NdFeB), Aluminum Nickel Cobalt (AlNiCo), and Ferrite (Fe). Performance tests on the Yanmar TF85MH diesel engine include power and torque. The fuel used in this research is Biodiesel B20. The results showed that neodymium magnets (NdFeB) are the best magnets of the 3 types of magnets tested with an average increase in power of 2.30%, an average increase in torque of 2.35%.
Shaft Twist Moment Analysis of Turbocharger ABB Type VTR 354 Due to Surging Phenomenon Beny Cahyono; Aguk Zuhdi Muhammad Fathallah; Istiqomah; Semin
International Journal of Marine Engineering Innovation and Research Vol. 4 No. 3 (2019)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v4i3.6021

Abstract

Surging is a phenomenon in which the airflow back toward of the compressor side. This case is known by excessive sound or vibration in the turbocharger. The main cause of surging phenomenon is divided into two types, that is failure operation by crew and improper selection turbocharger by the designer. This research identifies the effect of surging on twisting moment of turbocharger shaft ABB type VTR 354 on Niigata 8MG40X engine. The method is using simulation based on Finite Element Method (FEM), start from determining the compressor and turbine torque then preparing the turbocharger shaft and simulation with SolidWorks. It is found that critical area caused by surging is located on compressor seat. The largest torque difference at 50% of the engine load about -1.304 Nm and maximum stress is about 0.015906 Mpa, while the displacement is about 0.0000270028 mm and the maximum strain is about 6.26693e-008 mm/mm. Thus, the shaft material 17NiCrMo6-4 is considered capable of dealing with surging on the turbocharger.
The Effect of Mixing Diesel Fuel with Cottonseed Oil and Coconut Oil on The Performance of 4-Stroke Diesel Engine Adhi Iswantoro; Aguk Zuhdi Muhammad Fathallah; Semin; Ramdhan Febrianto Saputra
International Journal of Marine Engineering Innovation and Research Vol. 3 No. 3 (2019)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v3i3.6056

Abstract

Research on biodiesel as an alternative fuel has been widely carried out. Such as mixing one type of oil mixed with diesel fuel with a certain composition. In this research, biodiesel was made by mixing two types of oil and then mixed with diesel fuel with a composition of 30:80, where 30% for mixed oil that is cottonseed oil and coconut oil, then 80% for diesel fuel. And then in this research, the composition between cottonseed oil and coconut oil must be found, so that it will get the best composition between cottonseed oil and coconut oil. For comparison in performance between mixed biodiesel with 4 cSt and 6 cSt, and in the mixing process, using mathematical calculation methods, then the mixing results must meet SNI standards (Standard Nasional Indonesia / Indonesian National Standards). In this research, 4-stroke diesel engines with one cylinder were used. From the experiments and data analysis, biodiesel with 6 cSt more powerful, torsion and BMEP better than mixed biodiesel 4 cSt.
Effect of Biodiesel Candlenut Seed (Aleurites Moluccana) to NOx Emission and Combustion Process on Single Cylinder Diesel Engine Beny Cahyono; Aguk Zuhdi Muhammad Fathallah; Vianto Ilham Pujinaufal
International Journal of Marine Engineering Innovation and Research Vol. 3 No. 2 (2018)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v3i2.6062

Abstract

Fossil fuels are non-renewable fuels but are still the main fuel choice however, it is now becoming increasingly recognized that the availability of fossil fuels are dwindling which further encourages research on renewable fuels. One of the renewable fuels under development and research is biodiesel. The use of vegetable and animal oil is one of the primary choices to decrease the use of non-renewable fuels. Candlenut oil is one of the alternatives under research and development to produce biodiesel as a replacement for non-renewable fuels. In this research is expected to know the NOx emission level and combustion process of single cylinder diesel engine using candlenut oil biodiesel and compared with diesel fuel High-Speed Diesel (HSD). The results of NOx emission comparison between biodiesel candlenut and HSD showed an increase of 0.76 gr / kWh for biodiesel candlenut and 0.51 gr / kWh for HSD fuel. In the burning process test results showed the knocking value of better candlenut biodiesel than HSD which is 5.69 bar for biodiesel candlenut and 6.19 bar for HSD fuel.
Effect of Water Fuel Emulsion on Performance and NOx Emissions of Diesel Engine Beny Cahyono; Aguk Zuhdi Muhammad Fathallah; Semin; Nauval Pahlevi
International Journal of Marine Engineering Innovation and Research Vol. 1 No. 4 (2017)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v1i4.6159

Abstract

NOx as one of the exhaust emissions is harmful to human health. Many methods can reduce NOx emissions, one of them is water in fuel emulsion. By using experiment, research has been conducted in surfactant selection. The results of experiment show 4 surfactant, which is best used to the diesel engine is tween 80 and span 80. This experiment needs some water contents variation emulsifier with 10%, 15%, and 20%. In this different variation of water is very influential on performance and NOx emissions. By using water fuel emulsion of 10% in SFOC has been increase 216,2 g/Kwh or 11.6% compared to Pertamina Dex of fuel. However, the water used in fuel emulsion of 15% and 20% in SFOC increased to compare 10% emulsion. The effect of water use in fuel emulsion has been reduce NOx emission. Water in fuel emulsion has been decrease 50.5%. Generally, the emission level of a diesel engine that using water in fuel emulsion has been improved until entering on Tier 3 specification of IMO rules.
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 : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v1i2.6220

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.
Co-Authors A Karomur Roziq F Abi Suroso, Muhammad Suryo Panotogomo Adhi Iswantoro Agung Slamet Budiono Ananda Rizky Budi Pratama Ananda Rizky Budi Pratama Beny Cahyono Cahyono, Beny Cahyono, Beny Esqy Dhiyaul F Fachrul Hidayat Husein Fadhil Rizki Clausthaldi Fakka Kodrat Tulloh Fiki Ardian Setyo Budi Gusma Hamdana Putra Hadi Prasutiyon Hafiz N. H. Perdana Hangga Krisna I Made Ariana Istiqomah Istiqomah Istiqomah Iswantoro, Adhi Muhammad Rizqi Ariefianto Nauval Pahlevi Nurhadi Siswanto Pahlevi, Nauval ramdhan febrianto saputra Ramdhan Febrianto Saputra saputra, ramdhan febrianto Semin Semin Semin Iswantoro Semin Semin Semin Semin Semin Semin Sukriyah Kustanti Moerad Urip Prayogi Vianto Ilham Pujinaufal Vianto Ilham Pujinaufal Wolfgang Busse Wolfgang Busse