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Rizal Mahmud
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Institut Teknologi Adhi Tama Surabaya Jl. Arief Rahman Hakim No. 100, Surabaya, East Java, Indonesia 60117
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Journal of Mechanical Engineering, Science, and Innovation
Published by Institut Teknologi Adhi Tama Surabaya
ISSN : 2776933X     EISSN : 27763536     DOI : https://doi.org/10.31284/j.jmesi
Core Subject : Science, Engineering,
Control & Systems Engineering Energy Engineering Mechanical Engineering
Journal of Mechanical Engineering, Science, and Innovation (JMESI) is a peer-reviewed journal in English published two issues per year (in April and October). JMESI dedicated to publishing quality and innovative research in the field of mechanical engineering and science, thereby promoting applications to engineering problem. It encompasses the engineering of energy, mechanical, materials, and manufacturing, but it is not limited to scopes. Those are allowed to discuss on the following scope: Energy: Energy Conversion, Energy Conservation, Renewable Energy, Energy Technology, Energy Management. Mechanical: Applied Mechanics, Automobiles and Automotive Engineering, Tribology, Biomechanics, Dynamic and Vibration, Mechanical System Design, Mechatronics. Material: Material Science, Composite and Smart Material, Micro and Nano Engineering, Powder Metallurgy. Manufacturing: Advanced Manufacturing Techniques, Automation in Manufacturing, Modelling, and Optimization of Manufacturing Processes.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 71 Documents
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Dried Clove Leaf as Corrosion Inhibitor for Medium Carbon Steel in Acidic Media Rosidah, Afira Ainur; Roni, Kiki Ridho Syah; Yunus, Muhammad
Journal of Mechanical Engineering, Science, and Innovation Vol 3, No 2 (2023): (October)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2023.v3i2.5160

Abstract

Medium carbon steel is a widely used steel variant known for its susceptibility to mechanical property degradation due to corrosion. In order to decrease the corrosion rate of medium carbon steel, various protective measures are employed such as the addition of inhibitors. Dried Clove Leaf (DCL) extract was extracted and applied as an inhibitor for medium carbon steel AISI 1040 in different acidic environments. Fourier-transform infrared spectroscopy (FTIR) was conducted to analyze the compounds present in the clove leaf extract. Subsequently, corrosion rate and inhibitor efficiency were assessed to demonstrate the effectiveness of the clove leaf inhibitor. The parameters under this research included varying inhibitor concentrations for 0%, 5%, 10%, 15%, and acidic media using HCl and H2SO4. The successful extraction of DCL was confirmed by the presence of a C=C bond in the FTIR results, occurring at wavenumbers ranging from 1638 to 1514 cm-1, indicative of the presence of benzene rings corresponding to eugenol (a phenolic component). The inhibitor exhibited remarkable efficiency, reaching its peak at 96.51% when used with HCl media at a DCL concentration of 15%. This high efficiency is notably reflected in the significant reduction of the corrosion rate from 352.96 mpy to 12.31 mpy in the presence of HCl media.
Calculation Study of Double Pipe Type Heat Exchanger in LNG Plant Pre-Design with Capacity 250 tons/hour Novianarenti, Eky; Ningsih, Erlinda; Rahman, Nanik Astuti
Journal of Mechanical Engineering, Science, and Innovation Vol 4, No 1 (2024): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2024.v4i1.5164

Abstract

In industrial processes, heat exchangers are very important tools and are always needed. Heat exchangers can be used to increase and decrease the temperature. The most widely used type of heat exchanger is the Double Pipe or DPHE type. The LNG plant is one of the industries that uses a heat exchanger in the process of lowering the initial temperature of the LNG to change the gas phase to liquid. The aim of this study is to obtain better efficiency in the LNG manufacturing process, so it is necessary to carry out a heat exchanger design study. Based on the design calculation results, it was found that Heat Exchanger type 2-4, material Carbon steel, area 2076, 16 m2, Rd 0.005 hr ft2 oF/btu and ΔP of 4.4051 psi. It can be concluded that the heat changer design is feasible to operate safely and without any obstacles. 
Evaluation of exhaust emissions of diesel engine using pyrolysis waste plastics fuel Sudrajad, Agung; Sunardi, Sunardi; Rosyadi, Imron; Iskandar, Deni
Journal of Mechanical Engineering, Science, and Innovation Vol 4, No 1 (2024): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2024.v4i1.5971

Abstract

The increase in the number of vehicles is one of the causes of increasing air pollution. In addition, plastic waste is a type of inorganic waste that has long decomposed, plastic waste can be recycled into fuel oil. But each type of fuel has characteristic properties, this affects the exhaust emissions resulting from the combustion process. The purpose of this study is to determine the exhaust gas emissions (CO, HC, CO2 ) from Single Cylinder R175A type diesel engines with the three kind of fuel such as 100% plastic fuel oil, dexlite, and a mixture of plastic oil fuel and dexlite with a mixture ratio of 30% plastic oil: 70% dexlite (PO30), 50% plastic oil: 50% dexlite (PO50) and 70% plastic oil: 30% dexlite (PO70). The result obtained is that carbon monoxide (CO) exhaust emissions increase with increasing rpm, hydrocarbon (HC) emissions decrease with increasing rpm. The use of plastic fuel oil produces the lowest carbon dioxide (CO2) emissions.
Numerical Performance Simulations of Four-Wheeled Cruise-controlled Vehicle on Road Surface Patriawan, Desmas Arifianto; Arifin, Ahmad Anas; Pramujati, Bambang
Journal of Mechanical Engineering, Science, and Innovation Vol 3, No 2 (2023): (October)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2023.v3i2.5310

Abstract

Cruise control (CC) has started to be widely used in cars, making driving easier for a long time. However, in designing the control system on the CC, it is also necessary to perform performance testing, so that the CC can achieve the desired speed accurately and comfortably. The approach employed in this paper involves creating a numerical model design based on CC and subsequently assessing its performance through simulations with varying levels of resistance. Variation of resistance given is by road conditions (rolling resistance) and drag coefficient. The test outcomes, when subjected to changes in road surface conditions, demonstrate that CC remains capable of achieving a rapid response time and maintaining a consistent steady-state error of approximately 2.01%. Despite minimal variations observed in the drag coefficient test, the CC-designed model remains dependable in accommodating alterations in road surface and discrepancies in drag coefficients. Furthermore, the resultant vehicle acceleration does not exceed 2G, ensuring passenger comfort is not compromised.
Optimization of Fused Deposition Modeling (FDM) Machine Process Parameters for Polylactic Acid (PLA) Surface Roughness Using the Taguchi Approach Rosyadi, Mochammad Willdan; Prayoga, Adimas Dwi; Mukti, Abdi Satryo; Mahameru, Rolland Darin Khalifah; lestari, Wahyu Dwi
Journal of Mechanical Engineering, Science, and Innovation Vol 4, No 1 (2024): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2024.v4i1.5999

Abstract

The surface quality of 3D printed products greatly influences the performance and aesthetics of the final product. Polyalactid Acid (PLA) is a material commonly used in 3D printing manufacturing because it is environmentally friendly and easy to use. However, the roughness of the printed surface is often a challenge that needs to be overcome to improve product quality. This research aims to optimize surface roughness in the 3D printing process using PLA material by applying the Taguchi method. The 3D printing parameters used in this research are nozzle temperature, infill density, printing speed, layer thickness, infill pattern, and orientation with each parameter having three levels. The research results show thatThe optimal parameter combination that produces the lowest surface roughness is nozzle temperature at level 2, infill density at level 3, printing speed at level 3, layer thickness at level 3, infill pattern at level 3, and orientation at level 3. The use of the Taguchi method also shows that the combination of printing process parameters is the factor that most influences the quality of the printed surface. With this optimization, it is hoped that it can improve the quality of 3D printed products and expand the application of PLA materials in various industries. 
Bibliometric Analysis of Solid Lipid Nanoparticle in Drug Delivery Application Using Vosviewer Saniyyah, Salsabila Yaafi; Nandiyanto, Asep Bayu Dani
Journal of Mechanical Engineering, Science, and Innovation Vol 2, No 2 (2022): (October)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2022.v2i2.3582

Abstract

Solid Lipid Nanoparticle (SLN) merupakan sistem koloid pembawa untuk mengontrol perbaikan susunan kimia tubuh. SLN dapat meningkatkan kelarutan obat yang memiliki kelarutan yang rendah dalam air dan juga dapat mengontrol pelepasan. Tujuan dari penelitian ini adalah untuk melakukan analisis bibliometrik terhadap pengembangan SLN sebagai drugs delivery dengan menggunakan analisis pemetaan menggunakan software VOSviewer. Data yang digunakan dalam penelitian ini diperoleh dan dikumpulkan dengan menggunakan software Publish or Perish. Data yang diperoleh berdasarkan kata kunci “Solid Lipid Nanoparticle, SLN, drugs delivery”. Berdasarkan analisis yang dilakukan, didapatkan 1000 artikel yang relevan dengan kata kunci yang digunakan pada rentang 2012-2022. Pada tren publikasi terdapat hasil yang fluktuatif dengan jumlah publikasi tertinggi pada tahun 2014 dan terendah pada tahun 2022. Hal ini menunjukkan bahwa minat penelitian akhir-akhir ini mengalami penurunan.
Cover and Editorial Page Arifin, Ahmad Anas
Journal of Mechanical Engineering, Science, and Innovation Vol 4, No 1 (2024): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Cover and Editorial Page Arifin, Ahmad Anas
Journal of Mechanical Engineering, Science, and Innovation Vol 3, No 2 (2023): (October)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2023.v3i2.5501

Abstract

Optimization of Fused Deposition Modeling (FDM) Machine Parameters for Carbon Fiber Tensile Strength Using the Taguchi Method Prayoga, Adimas Dwi; Mukti, Abdi Satryo; Mahameru, Rolland Darin Khalifah; Rosyadi, Willdan; lestari, Wahyu Dwi
Journal of Mechanical Engineering, Science, and Innovation Vol 4, No 1 (2024): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2024.v4i1.5987

Abstract

3D printing using Fused Deposition Modeling (FDM) technology has emerged as a promising approach for manufacturing components with composite materials such as carbon fiber. This study aims to optimize the parameters of FDM machines for carbon fiber tensile strength using the Taguchi Method. The optimized FDM machine parameters include nozzle temperature, infill density, printing speed, layer thickness, infill pattern, and orientation. Experiments were conducted based on the Taguchi experimental design with an L27 Orthogonal Array (3^6) matrix, resulting in 27 experiments with different parameter combinations. After printing was completed, tensile tests were performed to measure the tensile strength of the printed samples. The results of the analysis using the Taguchi Method show the optimal settings of the FDM machine parameters to achieve maximum tensile strength for carbon fiber material. The analysis results show that the parameters that can optimize the tensile test response are nozzle temperature at level 2 (230°C), infill density at level 3 (80%), printing speed at level 3 (100 mm/s), layer thickness at level 3 (0.3 mm), infill pattern at level 1 (line), and orientation at level 3 (30°) with the highest tensile test value of 27.7766 MPa. This study provides an important contribution to the development of 3D printing techniques with carbon fiber, by identifying the optimal settings that can improve the mechanical performance of printed components. It is expected that the results of this study can be used as a practical guideline for the 3D printing industry in optimizing FDM machine parameters for printing carbon fiber-based composite materials.
Combined Effects of Surface Energy, Initial Stress and Nonlocality on Vibration of Carbon Nanotubes Conveying Fluid Resting on Elastic Foundations in a Thermo-Magnetic Environment Sobamowo, Gbeminiyi Musibau
Journal of Mechanical Engineering, Science, and Innovation Vol 3, No 2 (2023): (October)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2023.v3i2.4315

Abstract

This paper scrutinizes the simultaneous impacts of surface elasticity, initial stress, residual surface stress and nonlocality on the nonlinear vibration of carbon nanotube conveying fluid resting while resting on linear and nonlinear elastic foundations and operating in a thermo-magnetic environment. The derived partial differential equation is decomposed into spatial and temporal equations using Galerkin method of decomposition. Thereafter, the temporal differential equation is solved with the aid of method of homotopy perturbation. Studies of the significance of the model parameters reveal that the negative value of the surface stress enhances the frequency ratio while the positive value of the surface stress abates the ratio. At any given value of nonlocal parameters, the surface effect is lessened for enhancing value of the length of the nanotube. The frequency ratio is abated as strength of the magnetic field, nonlocal parameter and the length of the nanotube are increased. The nonlocality lessens the surface effects and ratio of the frequencies. At high values of nonlocal parameter and nanotube length, the natural frequency of the structure gradually approaches nonlinear Euler–Bernoulli beam limit. The ratio of the frequencies is heightened when the temperature change is reduced at high temperature while at room/low temperature, such ratio is enhanced as the temperature change is augmented. Also, the frequency ratio at low temperatures is lower than at high temperatures. The present work will be very useful in the design and control of carbon nanotubes in thermo-magnetic environment while resting on elastic foundations.

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