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INDONESIA
VANOS Journal of Mechanical Engineering Education
Published by Universitas Sultan Ageng Tirtayasa
ISSN : -     EISSN : -     DOI : -
Core Subject : Education,
Education
Arjuna Subject : -
Articles 148 Documents
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Development Solar Cell Trainer (SCT) as Learning Media on Renewable Energy Sukardi Sukardi; Agung Samudra; Ahmad Eko Suryanto; Syarpin Syarpin
VANOS Journal of Mechanical Engineering Education Vol 8, No 2 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v8i2.22799

Abstract

Starting from the limitations of learning media on renewable energy material, the idea of developing a Solar Cell Trainer (SCT) was sparked. The purpose of this research is to develop a SCT as a learning media on renewable energy material that can help the learning process become easy and fun. This research is a Research and Development (R&D) which aims to produce a SCT and test its effectiveness. The effectiveness of the SCT trainer is seen from the aspects of Content, Learning Communication Media, Implementation Power and User Response. The R&D procedure is divided into 3 stages, namely: preliminary studies, product development, and evaluation and revision. The object of research involved 1 media expert lecturer and 35 students as users. The data collection technique used a questionnaire which then the results were analyzed descriptively. The results showed that the content and media aspects of learning communication were in the good category with a score of 82.5; while the implementation power and user response to the SCT media were in the good category with a score of 80.9. The conclusion of this research shows that SCT media is suitable for use in learning.
The Effect of Cryogenic Treatment Temperature on the Mechanical Properties and Microstructure of 440C Martensitic Stainless Steel Indah Uswatun Hasanah; A. Ali Alhamidi; Rachmat Suryana
VANOS Journal of Mechanical Engineering Education Vol 8, No 2 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v8i2.21717

Abstract

The use of stainless steel worldwide is increasing due to its favorable mechanical properties, such as high hardness, corrosion resistance, and wear. One of the martensitic stainless steels is SS 440C. One of the main effects of increasing the significant carbon content is lowering the final martensitic temperature (MF) of the steel. If this temperature is below room temperature, the quenching process leaves austenite in the microstructure. This is commonly known as retained austenite (RA). In general, minimizing the number of RAs is recommended, as they can cause excessive wear. Therefore, the aim this research is for reduce the retained austenite content in SS 440C steel with a cryogenic treatment process. The cryogenic treatment was carried out for 50 minutes at temperatures of -80, -110, and -140°C and compared with non-cryogenic treatment to determine the residual austenite, hardness, and wear resistance. The highest hardness and wear resistance values were obtained from cryogenic treatment at -140°C at 58 HRC and 2.2 x 10-3 mm3/m. The metallographic results produce a martensite microstructure, residual austenite, and carbide phases. XRD analysis on cryogenic treatment samples at -140°C yielded structures of iron bcc, iron fcc, M7C3, and M23C6 compounds.
Preventive Maintenances of Waste Crushing Equipment at Subang State Polytechnic Indra Indra; Adhan Efendi; Yohanes Sinung Nugroho
VANOS Journal of Mechanical Engineering Education Vol 8, No 2 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v8i2.21269

Abstract

The research in this final project aims to determine the preventive maintenance schedule for the plastic waste smelter and to determine the application of preventive maintenance to the plastic waste smelter. The maintenance process for this tool uses preventive maintenance with inspection, small repair, medium repair and overhaul (ISMO) methods. The implementation method of waste smelter into plastic involves data collection through direct observations of the smelter area, component identification, maintenance schedule planning, expert validation, and routine preventive maintenance execution. The research findings indicate that the systematic and scheduled application of maintenance effectively preserves the optimal performance of the smelter machine. These measures not only enhance operational efficiency but also reduce the risk of damages and potential downtime that could disrupt the production process, contributing to the sustainability and quality of plastic waste processing.
Implementation of Android Application-Based Learning Media on Motorcycle Electrical Maintenance Materials in Vocational High Schools Sigit Purnomo; Tri Pamungkas; Arif Bintoro Johan; Elyas Djufri
VANOS Journal of Mechanical Engineering Education Vol 8, No 2 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v8i2.22454

Abstract

Purpose of this study was to produce learning media and test the feasibility of learning media based on android applications at Vocational High Schools. The type of research used in this research is implementation research. The subjects in the study were 31 students of class XI TBSM Vocational High Schools. The data collection instrument used quantitative descriptive analysis to determine the feasibility of learning media. The results of this study indicate: (1) Development research produces learning media for motorcycle electrical maintenance materials for students of class XI TBSM with the development process through the following stages: (2) Android-based learning media is categorized as feasible to use in learning to get validation results from Experimental class of 87.5%, Control class 78.5%, So it can be concluded that learning with Android is more effective for students.
Leadership as a Factor in Maintaining Quality Assurance in Technology and Vocational Education and Training: A Systematic Literature Review Quienera Joshua; Supriyanto Supriyanto; Tutin Aryanti; Mervyn Wong Hsin Jyi; Emmanuel Obobi Tettehfio
VANOS Journal of Mechanical Engineering Education Vol 8, No 2 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v8i2.21574

Abstract

This article focuses on the concept of leadership, which involves managing organizations or groups of individuals, particularly in the context of TVET institutions and sectors. Quality assurance, which measures the level of excellence in comparison to similar processes, is crucial in TVET schools to determine competence and global competitiveness. The article aims to explore the impact of leadership on managing quality in vocational schools and examines various aspects considered for quality control. This study utilizes the Systematic Literature Review, and the data was gathered from reputable sources, specifically Google Scholar, encompassing research conducted between 2018 and 2023. The analysis employed rigorous inclusion and exclusion techniques. The selected articles delve into the impact of leadership skills on quality assurance within the context of vocational education. The findings underscore the crucial role of leadership in guaranteeing educator competence, refining curriculum standards, and establishing effective quality control measures.
Development of an Integrated Industry-Based Learning Model to Improve Electric Vehicle Learning Tools Work Readiness of Vocational Students Fanani Arief Ghozali; Bambang Sudarsono; Fatwa Tentama; Surahma Asri Mulasari; Tri Wahyuni Sukesi; Sulistyawati Sulistyawati; Herman Yuliansyah; Lu'lu' Nafiati; Adelia Saharani; Prabandari Listyaningrum
VANOS Journal of Mechanical Engineering Education Vol 8, No 2 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v8i2.22553

Abstract

Vocational schools need to start addressing unemployment right away since it is a serious issue. Work readiness is prepared with the demands of the industrial world in mind. The objective of this study is to create and evaluate industry-based integrated learning models for EVL+i, or electric vehicle auxiliary, subjects. The research and development (R&D) design used was Richey and Klein's design. This research involved 34 students, 6 teachers from the automotive engineering department of SMK Muhammadiyah 2 Tempel, and 4 professionals from the automotive industry. Practical performance tests and interviews were used as data collection methods. Based on the research results, it can be said that the EVL+i model was successfully developed and implemented in three stages of research. The EVL+i model can improve 6 aspects of competence of automotive vocational students, namely aspects of integrity competence, cooperation, discipline, work area knowledge, work completeness and time efficiency. The six aspects of competence have increased from the category of less good to very good with an average score of 1.82 in the limited trial and 3.72 in the extended trial.
Application of Augmented Reality (AR) In Vocational Education: A Systematic Literature Review Siddiq Darmawan; Mumu Komaro
VANOS Journal of Mechanical Engineering Education Vol 8, No 2 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v8i2.20841

Abstract

In education, Augmented Reality has been widely used to complement the standard curriculum. This article aims to examine how the application, and impact of the use of AR in Vocational Education. The Systematic Literature Review method is used to identify, study, evaluate, and interpret Augmented Reality in vocational education. Research data were identified by help of the PRISMA 2020 form. Article was collected from Science Direct database. There were 454 articles. After being selected using inclusion and exclusion criteria, the data used were 14 articles. The results of the study reveal that AR is applied in learning as an innovative learning medium, a new approach to learning to improve students' understanding of knowledge, and skills and provide a concrete learning experience. The integration of AR in education has the impact of increasing students' understanding and learning experience, promoting positive attitudes, making the learning process fun and interesting and learning efficiency.
Wing Simulation Using Naca 2412 and 2415 Airfoils with Variations in Angle of Attack for Lift and Drag Medyawanti Pane
VANOS Journal of Mechanical Engineering Education Vol 8, No 2 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v8i2.22321

Abstract

The geometry of an airfoil plays a critical role in shaping an aircraft's performance, especially during maneuvering. This study emphasizes the necessity of conducting a comprehensive geometric analysis to better understand the effects of airfoil design. In pursuit of optimizing airfoil performance, we conducted extensive tests on NACA 2412 and 2415 series airfoil geometries using the ANSYS Fluent software. The tests employed Aluminum Alloy 1067 material and a wind speed of 300 m/s, encompassing a range of angle of attack variations from 0 to 180 degrees. The simulation results provided valuable insights into the velocity and pressure distributions surrounding the airfoil. Of particular interest, at an angle of 15 degrees, the NACA 2412 airfoil exhibited a maximum drag force of 69.670 N and a maximum lift force of 550.300 N. The corresponding drag and lift coefficients were 0,1516378 N and 1,1977364 N. For the NACA 2415 airfoil, the maximum drag and lift forces were 71.470 N and 564.500 N, respectively, with corresponding drag and lift coefficients of 0,1541963 N and 1,2179072 N.

Page 15 of 15 | Total Record : 148

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