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Beny Cahyono

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Author-ID : 3419814

Automotive Engineering Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Articles

Vibration Spectrum Analysis for Indicating Damage on Turbine and Steam Generator Amurang Unit 1 Beny Cahyono; Dwi Priyanta; Fakhri Rizqullah Fajar Ramadhan
International Journal of Marine Engineering Innovation and Research Vol 2, No 1 (2017)
Publisher : Institut Teknologi Sepuluh Nopember

Maintenance on machines is a mandatory asset management activity to maintain asset reliability in order to reduce losses due to failure. 89% of defects have random failure mode, the proper maintenance method is predictive maintenance. Predictive maintenance object in this research is Steam Generator Amurang Unit 1, which is predictive maintenance is done through condition monitoring in the form of vibration analysis. The conducting vibration analysis on Amurang Unit 1 Steam Generator is because vibration analysis is very effective on rotating objects. Vibration analysis is predicting the damage based on the vibration spectrum, where the vibration spectrum is the result of separating time-based vibrations and simplifying them into vibrations based on their frequency domain. The transformation of time-domain-wave into frequency-domain-wave is using the application of FFT, namely AMS Machinery. The measurement of vibration value is done on turbine bearings and steam generator of Unit 1 Amurang using Turbine Supervisory Instrument and CSI 2600 instrument. The result of this research indicates that vibration spectrum from Unit 1 Amurang Power Plant indicating that there is rotating looseness, even though the vibration value does not require the Unit 1 Amurang Power Plant to stop operating (shut down). This rotating looseness, at some point, can produce some indications that similar with the unbalance. In order to avoid more severe vibrations, it is necessary to do inspection on the bearings in the Amurang Unit 1 Power Plant.

Effect of the Piston Crown Contour on the Fluid Flow of Diesel Engine using Biodiesel B30 Based on Simulation Semin Semin; Beny Cahyono; Taruno Ganggas Daruadji Baskoro
International Journal of Marine Engineering Innovation and Research Vol 5, No 4 (2020)
Publisher : Institut Teknologi Sepuluh Nopember

Diesel engines are categorized into internal combustion engines. On the internal combustion engine, combustion occurs in the combustion chamber. The combustion process requires three main elements: fuel, air, and heat from compression. The combustion process on the internal combustion engine will affect engine performance or emissions. The engine used is Yanmar TF85MH, one cylinder, four-stroke, direct-injection with B30 fuel palm oil. This study analyzes the effect of the piston bowl depth on the resulting fluid flow. To get the data, the author using the ANSYS software. The current piston bowl depth is 15,5 mm. In this study, model variation with addition and reduction of +2, +1, 0, -1, and -2 (in mm). The results of the simulation show that the highest swirl ratio occurs in case 5 with a value of -1,15, the highest temperature occurs in case 4 with a value of 2373˚K, and the highest heat release rate occurs in case 4 with a value of 3,25x108 erg/degree.

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 : Institut Teknologi Sepuluh Nopember

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

Durability of Diesel Engine Using Biolubricant and the Effect on Performance Beny Cahyono; Aguk Zuhdi M. Fathallah; Aridhanka Youri Al Kahfi
International Journal of Marine Engineering Innovation and Research Vol 6, No 3 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

Environmental needs to reduce pollution caused by used lubricants from mineral oil encourage the development of biolubricant. One of the biolubricant raw materials from plants available in the environment is the castor plant (ricinus communis). The biggest composition in castor oil is ricinoleic acid which can be used in the manufacture of biolubricants. The purpose of this study was to study the physical properties of biolubricants from castor oil, to compare the properties of biolubricants and mineral lubricants after conducting a diesel engines durability test, and comparing performance between both lubricants during durability test. Experiment were carried out on the Dongfeng R180 diesel engine using Pertamina Dexlite fuel and mineral oil Pertamina Mesran B SAE 40 as a comparison. The results of biolubricant properties test (kinematic viscosity, viscosity index, pour point, flash point, and total alkali number) were obtained according to the flash point value not fulfilling the Minister of Energy and Mineral Resources Regulation regarding standard. From properties between biolubricants and mineral lubricants after a 200-hour endurance test there is properties change in both lubricants. Increase the value of viscosity, total number of base, and flash point because it contains water in the biolubricant causing oxidation. The iron content of the biolubricants after the endurance test is greater than mineral lubricants. However, the aluminum content in biolubricants is smaller when compared to biolubricants. From the performance test obtained SFOC which is produced when using mineral oil at peak torque is 3.1% lower than compared when using biolubricants. The average SFOC in the value condition when using biolubricants is 2.3% lower than using biolubricants. The average power when using mineral lubricants is 0.72% lower when compared to biolubricants and the resulting torque is 0.23% lower when compared to using biolubricants.

Analysis of Diesel Engine Components Durability on Fishing Vessel Fueled with Biodiesel (B30) Edy Purwanto; Beny Cahyono; Priyonggo Syamrahmadi; Achmad Faisol
International Journal of Marine Engineering Innovation and Research Vol 6, No 3 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

The Indonesian government's policy of using biodiesel as an alternative fuel in the shipping industry is still an intensive discussion. Biodiesel as a substitute for diesel fuel has an impact on engine performance, lifetime and emission. The use of biodiesel fuel will increase the wear rate on metal components in diesel engines. From a series of tests carried out in accordance with Engine Manufacturer Association (EMA) standards, wearing on several engine components would be increase when the engine run using biodiesel palm oil (B30). The results showed that there was 19.8% aluminum content, 0.75% iron content, and chromium content in diesel engine lubricating oil with B30 biodiesel fuel higher than using diesel fuel. In addition, the clerance in the pisthon ring also increases and wear is seen on the journal bearing. However, the deposits formation in the diesel engine components made from palm oil biodiesel B30 is 5.43% increase than diesel fuel. From these results, it may be concluded that using of B30 palm oil biodiesel as fuel reduce durability of diesel engine standart.

Analysis of the Performance of Diesel Engine Fueled using B50-B100 Biodiesel Based on Simulation Semin Semin; Beny Cahyono; Himmawan Aan Listyanto; Rosli Abu Bakar
International Journal of Marine Engineering Innovation and Research Vol 5, No 3 (2020)
Publisher : Institut Teknologi Sepuluh Nopember

This alternative research fuels in the form of biodiesel from waste cooking oil. In addition, the purpose of this study is to determine the effect of waste cooking oil biodiesel blends in the performance testing of a one-cylinder diesel engine simulation modeling. The method used by the author in this study is to use a simulation method. Performance-based diesel motor performance tests are performed using HSD, and also with variations of used cooking oil biodiesel fuel mixtures. From the performance test results at full load, it was found that the comparison of the value of the power mix of biodiesel waste cooking oil with HSD decreased power. At B50 decreased power (6.38%), B60 (7.6%), B70 (8.9%), B80 (10.2%), B90 (11.4%), and B100 (12.7%) at maximum RPM. The torque value obtained in the biodiesel fuel mixture also decreased compared to HSD in the same cycle. The lowest SFOC value is produced by HSD fuel. SFOC HSD value is lower than cooking oil biodiesel mixture which is higher (6.8%) B50 fuel, up (8.3%) B60, up (9.83%) B70, up (11.4%) B80, up (12.9%) B90, and up (14.5%) B100 at full load and maximum RPM conditions.

Analysis of The Injection Pressure Effect on Single Cylinder Diesel Engine Power with Diesel Fuel-Methanol Blend Aguk Zuhdi Muhammad Fathallah; Adhi Iswantoro; Semin Semin; Beny Cahyono; I Made Ariana; Ananda Rizky Budi Pratama
International Journal of Marine Engineering Innovation and Research Vol 7, No 2 (2022)
Publisher : Institut Teknologi Sepuluh Nopember

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 Phenomenon of Biodiesel Heating: Its Effect on Viscosity, Density, and Emission Barokah Barokah; Semin Semin; Beny Cahyono; Bambang Sampurno; Ahmad Ilham Ramadhani; M. Bintang Fikri
International Journal of Marine Engineering Innovation and Research Vol 7, No 4 (2022)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v7i4.14827

Biodiesel fuel is a mixture of diesel oil mixed with vegetable oil (palm). The composition of the mixture affects its properties, especially viscosity and density. The research was conducted to determine the effect of increasing temperature on these properties. By applying several experimental methods, including the ASTM D 445-95 method, the pycnometer method, and the particulate emission test method. The biodiesel test was carried out with variations in temperature of 30oC, 40oC, 50oC, 60oC, and 70oC at room conditions of 24.0oC temperature and 71% humidity. From the temperature variation, the viscosity is 2.23 cSt, 2.61 cSt, 3.1 cSt, 3.7 cSt, and 4.45 cSt. The results of the research prove that the increase in biodiesel temperature affects decreasing viscosity and density which has an impact on reducing particulate emissions.

Co-Authors . Semin Achmad Faisol Adhi Iswantoro Aguk Zuhdi M. Fathallah Aguk Zuhdi Muhammad Fathallah Ahmad Ilham Ramadhani Ananda Rizky Budi Pratama Aridhanka Youri Al Kahfi Bambang Sampurno Barokah Barokah Dwi Priyanta Edy Purwanto Fakhri Rizqullah Fajar Ramadhan Fathallah, Aguk Zuhdi Muhammad Himmawan Aan Listyanto I Made Ariana M. Bintang Fikri Nauval Pahlevi Priyonggo Syamrahmadi Rosli Abu Bakar Semin Semin Taruno Ganggas Daruadji Baskoro

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