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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 6 Documents
 1 
Search results for , issue "Vol 2, No 1 (2022): (April)" : 6 Documents clear
Influence of Fluid Inflow Rate on Performance Effectiveness of Shell and Tube Type Heat Exchanger Adinda Shalsa Bellabunda Wardhani; Alifta Titania Labumay; Erlinda Ningsih
Journal of Mechanical Engineering, Science, and Innovation Vol 2, No 1 (2022): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (604.068 KB) | DOI: 10.31284/j.jmesi.2022.v2i1.2993

Abstract

In industrial processes, heat exchangers are needed to transfer a certain amount of heat energy from the system to the environment. The research object observed using a heat exchanger type 1- 2 shell and a tube was water in hot and cold fluids. It aimed to determine the relationship between hot and cold fluids and the heat transfer coefficient, fouling factor, and tool efficiency. The research method varied the hot water by 50, 70, 90, 100 mL/s and the cold water by 20, 40, 60, 80 mL/s. After getting the data for each fluid's inlet and outlet temperatures, the effectiveness analysis was calculated. The research results on the hot fluid variable demonstrated that the more the fluid was flowing into the shell, the higher the heat transfer coefficient, heat transfer velocity, and average effectiveness. Meanwhile, the fouling factor tended to decrease along with the increasing hot fluid. The cold fluid variable, the higher the cold fluid flows into the tube, the higher the heat transfer coefficient and the average heat transfer velocity. Furthermore, the fouling factor and effectiveness tended to decrease along with the increasing cold fluid flow.
The selection of Sufficiently Efficient ISO LNG Tanks for Applications in Industrial Estates based on Edward Lisowski and Wojciech Czyzycki Fathan Mubina Dewadi; Raja Aziz Raja Ma’arof
Journal of Mechanical Engineering, Science, and Innovation Vol 2, No 1 (2022): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (527.139 KB) | DOI: 10.31284/j.jmesi.2022.v2i1.2190

Abstract

Liquefied Natural Gas (LNG) is more likely to employ gasoline in street transportation applications because of its greater cryogenic energy density as a result, the key problem with this technology is the tank mounted on board with the control system and vaporizer board required to give the internal combustion engine (ICE) input. The research approach employed in this study was quantitative research using experimental methodologies because this study necessitates controlling and manipulating one or more independent variables while observing the dependent variable to detect differences based on the independent variables. With a method like this, of course, a tank that is quite efficient can be selected. In terms of profit, it is apparent that it could produce a greater volume of gas than gas to liquid (GTL), because the project of LNG lifespan was more extensive than GTL's. LNG is thus more comercial than GTL.
Effect Stress and Vibration Analysis at NACA Airfoil towards Axial Fan Blade Performance Eky Novianarenti; Muhammad Anis Mustaghfirin; Achmad Fardiansyah Abdillah
Journal of Mechanical Engineering, Science, and Innovation Vol 2, No 1 (2022): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1260.243 KB) | DOI: 10.31284/j.jmesi.2022.v2i1.2994

Abstract

Axial fans are widely applied in the industrial sector. Axial fans are used for ventilation systems and other cooling systems. The blade design of the axial fan requires an airfoil study. Unfortunately, there are not many articles that discuss in detail about airfoils, especially on noise and vibration that can have an impact on axial fan performance using computational fluid methods or software. This study performs axial fan analysis using computational methods with ANSYS Fluent, Static Structural, Modal and Harmonic Response software to obtain the values of stress, vibration and fluid flow. The experimental design used is using NACA 1412, 4142, and 6412 airfoils on the tip with variations in angles of 60, 74, and 80. While on the hub uses NACA 9312, 9412, and 9512 airfoils with angle variations of 20, 30, and 60 and simulated to find the value of vibration and stress analysis. The 3D axial fan design is imported into the ANSYS Fluent, Static Structural, Modal and Harmonic Response software. The simulation results using Ansys Fluent, shows the pressure contour with a maximum value of 198.424 Pa and Velocity streamline with a maximum value of 28.8669 m/s. the results of the Ansys Static Structural simulation show that the average total deformation is 9.9275e-008 m. The simulation results using Ansys Modal, show that there is a natural frequency of 287.8 Hz and the simulation results of Ansys Harmonic Response obtained an average total deformation of 5.0809e-012 m and the equivalent stress value with a maximum value of σ y, max = 0.20186 Pa.
Mechanical Properties of Sandwich Composite using Glass Fiber Reinforced Polymer as A Skin and 3D Printed Polylactic Acid as A Core Muhammad Ridlwan; Faisal Arif Nurgesang; Rahmat Riza; Nur Muhammad Syafi'i
Journal of Mechanical Engineering, Science, and Innovation Vol 2, No 1 (2022): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (550.294 KB) | DOI: 10.31284/j.jmesi.2022.v2i1.2935

Abstract

Recently, 3D printing technology has become a practical method to realize products rapidly. It is suitable for making small quantities of products. Although it is capable of printing with a high level of geometric complexity, there is a lack of tensile strength due to its process where the products are printed layer by layer. However, this technology is potentially to be combined in a composite manufacturing process. Mostly, a composite product is made by using a mold. This mold is relatively expensive and can only create a product with less complexity. Nevertheless, the composite product has main advantages such as light, strong, and flexible. Therefore, combining these two technologies is a new breakthrough in realizing products with high complexity, light, strong, and flexible. This study aims to determine the mechanical properties of sandwich composite filled with 3D printed product as a core. Several parameters were varied including core thickness and skin thickness. The skin material was a Glass Fiber Reinforced Polymer (GFRP) while the core material was 3D printed Polylactic Acid (PLA). The tensile and bending tests have been done in accordance with ASTM D638 and ASTM D790. The results showed that the addition of GFRP skin on the sandwich composite could significantly increase the tensile strength but did not have an impact on the flexural strength. The highest flexural strength of 50.36 MPa was achieved at 3 layers of GFRP skin while a remarkable tensile strength of 55.74 MPa was obtained at 4 layers GFRP skin. Moreover, the addition of core thickness also does not have an impact on flexural strength. The flexural strength of the 3D printed core was around 20 MPa for all thickness. However, when 2 layers of GFRP skin were used, a remarkable flexural strength of 57.67 MPa was obtained but the flexural strength was then decreased when using 10 and 15 mm cores.
Static Simulation on Speed bumps Made of Foam Concrete Foam with Durian Skin Fibers Using Ansys Software Maraghi Muttaqin
Journal of Mechanical Engineering, Science, and Innovation Vol 2, No 1 (2022): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (430.251 KB) | DOI: 10.31284/j.jmesi.2022.v2i1.2318

Abstract

Motorcyclists find speed bumps problematic because they require them to slow down. A concept comes to create a technology and can use a power plant with a generator driving source from speed bumps in its application. The product is designed and made on a big scale to allow all cars going through speed bumps. Because it is important to handle the kinetic energy generated from the vehicle in order for it to be transformed into electricity and connected to the load. Several tests, such as static and impact testing, are performed on the speed bump to get a material that is resistant to structural integrity. Simulation was used to perform static and impact testing using ansys software. As for the material, durian skin is very suitable as a mixture of materials, because it contains fibers that can be used for concrete reinforcement. Also obtained the equivalent stress of 0.05 MPa. The x-Axis voltage is 0.01MPa. The y-axis stress is 0.04 MPa. The results of this study can be concluded that the concrete composite reinforced with durian skin fiber also has the potential to be used as a speed bump power generator.
Cover and Editorial Page Ahmad Anas Arifin
Journal of Mechanical Engineering, Science, and Innovation Vol 2, No 1 (2022): (April)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (721.622 KB)

Abstract

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