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International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS)
Published by Yayasan Ghalih Pelopor Pendidikan
ISSN : 30266815     EISSN : 30265673     DOI : https://doi.org/10.53893/ijmeas.v2i1
Core Subject : Engineering,
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Industrial & Manufacturing Engineering
The International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) is a double-blind peer-reviewed journal. This journal provides full open access to its content on the principle that making research freely and independently available to the science community and the public supports a greater global exchange of knowledge and the further development of expertise in the field of engineering. IJMEAS is since the beginning independent from any non-scientific third-party funding. The establishment of the journal was supported between 2023 with grants from the Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation). All members of IJMEAS work on an honorary basis. The journal is hosted by Ghalih Publishing, the publishing house of the Ghalih Academic and University Library.
Arjuna Subject : Energi (semua kategori) - Energi (Lain-Lain)
Articles 26 Documents
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The Effect of Surface Finish and Fillet Design on Tie Rod Shaft Lifetime at Coal Mill Plant Operation Alif Burhanuddin Yusuf Habibie; Januartha, Andrian Sagisky; Arifin, Fatahul; Bayumi Setiawan
International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) Vol. 1 No. 1 (2023): IJMEAS - October
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijmeas.v1i1.214

Abstract

The tie rod shaft is one of the most essential parts in the coal grinder machine at the coal mill plant to support the roller grinder axial movement. Since the tie rod shaft receives the cyclic load constantly, the inappropriate design can cause the lifetime of the shaft to be short. The broken incidents of the tie rod shaft at coal mill the coal mill plant of PT X takes effect on the Steam and Power Supply to the ammonia and Urea Plant. This Research aims to analyze the abnormality on the tie rod shaft, which is always broken on the fillet section. The Stress concentration factor, Maximum Stress, and Surface roughness on the fillet section of the shaft have an extraordinary effect on the Fatigue lifetime. With the special tool assistant, the conventional lathe machine can compete with the CNC machine Quality to make Fillet contour as well as polished treatment and precise as the tool assistant can make the constant rotational movement produced by the human hand. The result showed that the tie rod shaft with 0.33 μm surface roughness level and fillet dimension strictly at 5mm could extend the lifetime of the tie rod shaft beyond the target after installed on the plant
Design Simulation of Upper Arm on Welding Table Arifin, Fatahul; Azharuddin; Arnoldi, Dwi; Effendi, Sairul; Herlambang, Yusuf Dewantoro; Yahya; Muhammad Arif Fadilah; Radjiq, Akhmad
International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) Vol. 1 No. 1 (2023): IJMEAS - October
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijmeas.v1i1.215

Abstract

Welding process is the joining of two metals by heating. There are two types of welding that are often applied in the field, namely gas welding (OAW) and electric welding (SMAW). Both of them have their advantages as metal connectors. This research originated from a problem that occurred in the upper arm on the welding table which experienced bending as a result of carrying the load when holding the welding disc. Therefore, CAD/CAE design is carried out. In this case, the strength and tension that occur in the upper arm are analyzed. This research aims to reveal the value of the stress that occurs in the upper arm and the safety value. Where in the design the planned force capacity is 300 newtons using the finite element method or also known as Finite Element Analysis (FEA). And the material used is ASTM A36. The results of the simulation and also the analysis that has been carried out show that the upper arm frame structure on the welding table has a stress, deformation, and safety factor of 311.987 MPa, 2.28286 mm, and 0.663488 ul.
Effect of Zinc (Zn) addition on Impact and Hardness Properties of Aluminium (Al) scrap Ismail, Nur Faiqa; Zulkipli, Muhammad Asyraf; Yusof, Khairul Huda; Sundari, Ella; Putri, Eresyah
International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) Vol. 1 No. 1 (2023): IJMEAS - October
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijmeas.v1i1.216

Abstract

The aim of this study is to investigate the effect of zinc (Zn) material added to used aluminum (Al), which should affect its strength and hardness. In this current study, zinc material (Zn) was applied as an additional material to aluminum scrap, by mass percentages of Al 100% Zn 0%, Al 95% Zn 5%, Al 94.5% Zn 5.5%, and Al 94% Zn 6%, respectively. The results showed that the addition of zinc (Zn) had indeed affected the impact value and hardness properties of aluminum-zinc alloy (Al-Zn). The addition of zinc (Zn) at 6% yielded the highest effective strength value of 0.24 J/mm2, and the lowest effective strength value of 0.14 J/mm2. Although the highest hardness value was found by addition of 6% zinc (Zn), the average hardness was 73.76 HRB and the lowest hardness was 29.23 HRB. In conclusion, as the addition of Zinc (Zn) into the material composition increases, the impact and toughness properties of the material increases.
Development of IoT Based Clothesline using Microcontroller Zulkipli, Muhammad Asyraf; Yusof, Khairul Huda; sani, Almadora Anwar; Herizal, Muhammad Auzi
International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) Vol. 1 No. 1 (2023): IJMEAS - October
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijmeas.v1i1.217

Abstract

Sunlight has long been used in daily activities, especially drying clothes. The only concern is sudden rain and people are not aware that their clothes are still on the clothesline. Due to this, many opt to dry their clothes indoor, which takes longer to dry. With regard to the aforementioned issue, in this research, Internet of Things (IoT) concept is applied in the production of automatic clotheslines by the integration of weather monitoring and forecasting with automatic clothesline. This automatic clothesline has an LDR sensor and a rain sensor to detect light and raindrops in the environment, then the values obtained from these two sensors are processed by the microcontroller to control the DC motor that can moves the clothes inside and outside from the sensors system which can be monitored and controled via smartphone using the Blynk app. The outcome of this research is an automatic clothesline prototype that is accessible through the Blynk app; utilising LDR sensors, rain sensors, and motor to retrieve clothes.
Optimization Design and Performance of Small-Scale Downdraft Biomass Gasification: A Case Study For Air-Fresh Inlet Homzah, Ozkar F.; Pratama, Rahmad Dandi; Sundari, Ella; Mardiana, Mardiana; Wilza, Romi
International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) Vol. 1 No. 1 (2023): IJMEAS - October
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijmeas.v1i1.219

Abstract

Biomass is the term for organic compounds, both animals and plants that can be reused as fuel or energy sources. Apart from that, gasification can be interpreted as a process of changing a solid fuel into a gas through thermochemical stages. The fuel used in the downdraft biomass gasification reactor is rice husks and coconut shells. The downdraft type biomass gasification reactor design used Autodesk Inventor professional software and for simulation using Ansys-R2 for 2021 student licensed. As the results after we create modified for inlet fresh-air showed the performance test of the hot start as flame temperature was increased to 21.7°C within the highest temperature reaches to 188.4°C. As a conclusion of modified performance test, we obtained the temperatures of pot-stove are slowly reaches from 6.38°C to 41.75°C of boiling water.
Empirical Investigation of the Efficiency of Heat Pipe Heat Exchanger as a Preheater in the Regeneration System of Liquid Calcium Chloride (CaCl2) Fahlovi, Oldy; Avista, Zeluyvenca
International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) Vol. 2 No. 1 (2024): IJMEAS - January
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijmeas.v2i1.231

Abstract

The use of air conditioning (AC) systems has greatly improved human comfort since the 20th century. However, challenges like the greenhouse effect, global warming, and increased energy consumption pose significant problems. To address these issues, a common solution is the use of desiccants to absorb air humidity, though regenerating them with a boiler requires additional energy. This study investigates the application of Heat Pipe Heat Exchanger (HPHE) to harness wasted heat as a preheating medium in a regeneration system. Solutions of calcium chloride (CaCl2) desiccants, ranging in concentrations of 36%, 49%, and 62%, coupled with flow rates of 0.1, 0.15, and 0.2 liters per minute, were employed to evaluate both the effectiveness and the visual quality of the regeneration system. Results showed the highest temperature difference with a 62% concentration desiccant at a flow rate of 0.15 liters/minute, approximately ±2.35°C. The regenerator and dehumidifier achieved peak effectiveness at a concentration of 62% and a flow rate of 0.2 lpm, recording values of 23.56% and 45.31%, respectively. This research proposes a practical solution for recovering wasted heat in AC regeneration systems, reducing energy consumption, and improving desiccant utilization efficiency.
Comparison of Standard and Racing Roller Weight Variations on CVT on the Power and Torque of the Honda Beat 110cc Efendi, Adhim Gustiar; kusbandono, Hermanu
International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) Vol. 2 No. 1 (2024): IJMEAS - January
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijmeas.v2i1.232

Abstract

This automatic motorbike uses an automatic transmission system called CVT (Contynously Variable Transmission). CVT is a system that automatically changes speed according to engine speed. This machine does not use transmission gears, but instead uses two pulleys (front and rear) which are connected by a belt (v-belt. The advantege of a CVt automatic transmission is that it can provide speed changes in torque from the engine to the rear whells automatically. This research aims to determine the effect of roller weight on the power and engine torque of a 110 cc two wheeled vehicle. The background of this research is to determine the power and torque of motorbikes for each roller weight studied and to draw conclusions about better use of rollers weight. This research uses experimental research methods, the materials used are standard 12gr,11gr,10gr,9gr,8gr rollers, as a comparison and 110cc injection beat motorbikes. The toll used in this research is a dynamometer. This tool shows directly the maximum power results at a certain rpm. Changes in the weight of the Honda Beat 110cc CVT roller affect the power produced by the engine. Changes in roller weight can affect the size of the engine’s power and torque. This in proven by data showing changes in engine power and torque during each test. Therefore, it is hoped that the result of this test can be used as a reference for improving engine peformance in vehicles.
Geothermal Power Generation: Harnessing Electrical Energy Through The Organic Rankine Cycle (ORC) System Zikri, Ahmad; Sumarna, Herlin; Hidayati, Baiti; Anwar, Zainuri; Putri, Fenoria; Zamheri, Ahmad; Negash, Semir M; Nasution, Gaizka Ghifari
International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) Vol. 2 No. 1 (2024): IJMEAS - January
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijmeas.v2i1.235

Abstract

The research employs a thermodynamic simulation method using an Engineering Equation Solver (EES), relying on theoretical calculations. This method is integrated into a geothermal power plant, precisely focusing on geothermal source temperatures of approximately 95ºC. The investigation centers on the heat transfer process within a high-temperature heat transfer fluid from geothermal sources, conveying stored heat to the Organic Rankine Cycle (ORC) evaporator. Three specific working fluids, R134a, R11, and R22, examine working fluid selection for ORC at 95ºC. The results highlight the R11 organic fluid as an optimal compromise, excelling in two crucial criteria. Firstly, R11 exhibits the highest net mechanical power, = 34.81 kW compared to alternative fluids. Secondly, it boasts the best energetic efficiency of the cycle, registering  = 16.01%, outperforming both R134a ( = 13.17%) and R22 ( = 12.64%). In summary, this study conducts a focused analysis of the energy aspects of an Organic Rankine Cycle (ORC) for electricity production using geothermal sources and organic fluids. Operating at a geothermal source temperature of 95ºC with a water flow rate of 80 lt/s and environmental conditions at 20ºC, the parametric study emphasizes the superiority of the R11 organic fluid. R11 emerges as the optimal choice, demonstrating the highest net mechanical power and superior energetic efficiency compared to alternative fluids, thereby contributing valuable insights to advancing sustainable and efficient energy technologies.
Concept Development of Automatic Sliding Door and Light Using NodeMCU Sensor Pandini, Jasmine; bin Zulkipli, Muhammad Asyrad; Fenoria Putri
International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) Vol. 2 No. 1 (2024): IJMEAS - January
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijmeas.v2i1.236

Abstract

The rapid advancement of technology has led to the emergence of smart systems that aim to enhance convenience, energy efficiency, and safety. In this study, we present the development of an automatic door and light system utilizing a NodeMCU sensor. The system is designed to automatically control open and close the door, as well as lighting in indoor environments. To implement the system, this experiment utilized the NodeMCU sensors onboard Wi-Fi capabilities, enabling remote control and monitoring via a dedicated mobile application. The application provides users with the ability to customize various system parameters, according to their specific requirements. This development offers a practical and connected solution to automate door and light, increasing safety, comfort and energy efficiency in premise, house or any buildings. It can enable users to control both the door and light remotely, providing convenience and flexibility. This automatic sliding door and light can unlock the system by sending commands through the Blynk application on the user's smartphone, then NodeMCU sensor as a microcontroller will confirm the command and send data to other components to move sliding door and turn on the light, the use of this system is very effective because it makes it easier for users to open and close the door and turn on and turn off the light without extra efforts.
Static Analysis of Electric Vehicle Prototype Frame Ramadhoni, Tri Satya; Rifa'i, Ahmad Imam; Anwar, Zainuri; Hidayati, Baiti; Sumarna, Herlin; Okviyanto, Toni; Sampurno, Rachmat Dwi
International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) Vol. 2 No. 1 (2024): IJMEAS - January
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijmeas.v2i1.242

Abstract

This study aims to determine the strength of the prototype car frame created by the SMES (Sriwijaya Mechanical Engineering Squad) team in participating in the KMHE (Energy Efficient Car Contest) and SEM (Shell Eco-Marathon). This prototype vehicle is an energy-efficient car with an electric motor drive and utilizes a hollow rectangular tube-shaped frame with aluminum 6061 material. The overall dimensions of the car frame are 2500x410x540 mm. Static loading analysis was conducted using manual calculations and computer simulations. Static loading was performed on seven support bars, the main bar, and the overall prototype car frame. Applied loads include the electric motor load, control panel, battery load, driver's body load, driver's legs, front body load, rollbar body load, rear body load, and reaction loads from bars receiving direct loads. Autodesk Inventor software with frame analysis features was used in the simulation process. Based on the results of manual calculations and computer simulations, the difference in the average results of maximum bending moment, maximum stress, and displacement on the seven types of support bars, with a small error tolerance below 10%, is 1.01%, 5.24%, and 3.25%, respectively. Based on computer simulation results for the main bar and seven types of support bars, the highest maximum stress occurs in the main bar, which is 128727.37 N.

Page 1 of 3 | Total Record : 26

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