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VANOS Journal of Mechanical Engineering Education
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Core Subject : Education,
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Articles 10 Documents
Search results for , issue "Vol 9, No 1 (2024)" : 10 Documents clear
The Analysis of Factors that Influence Students Choosing a Mechanical Engineering Education Study Program at Yogyakarta State University Andrian Riyadi; Aulia Majid
VANOS Journal of Mechanical Engineering Education Vol 9, No 1 (2024)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v9i1.24158

Abstract

The Mechanical Engineering Education study program has students with various backgrounds, so the study program needs to identify why its students have various backgrounds, looking at the factors that influence them. The results of this identification are used as material for designing learning and marketing strategies to the community. The aim of this research is to find out what factors influence students in choosing a study program. The research method used is qualitative descriptive research using a questionnaire in the form of Google Form for data collection. The data processing procedures used include data collection, data reduction, data presentation, and drawing conclusions. The respondents involved were 60 students from the Mechanical Engineering Education study program, consisting of bachelor and master levels. The results of this research are that there are several factors that influence students in choosing a Mechanical Engineering Education study program, namely image, ambitions, job prospects, and interests. The interest factor influences the most, namely 18 students or around 30%, the image factor influences 13 students or around 21.6%, the ambitions factor influences 12 students or around 20%, and the job prospects factor influences 12 students or around 20%. A total of 5 students or around 8.3% chose a study program that was not according to their wishes or was forced to do so. All these factors positively influence students in choosing the Mechanical Engineering Education study program, because most students choose study programs because of their own wishes, while only a small percentage do not match their wishes.
Utilization of Solar Power Plants to Drive Organic Waste Shredding and Grinding Machines Rahmad Samosir; Bambang Widodo; Budiarto Budiarto; Manogari Sianturi; Medyawanti Pane
VANOS Journal of Mechanical Engineering Education Vol 9, No 1 (2024)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v9i1.25014

Abstract

Solar power plants continues to experience good development and even PLTS can be used to overcome environmental problems, so this research aims to utilize renewable energy as a driving force for waste processing machines by designing organic waste chopping and grinding equipment. The specified motor power is 2 HP or 1.5 kW with 275 rpm, so the number of panels required is 12 pieces which are converted into AC from DC by the inverter. Based on power and rotation, the torque calculation results obtained are 2760 kg cm, the shaft diameter is 18.86 mm, the belt type is type A with a top belt width of 12.5 mm and a thickness of 8 mm, and transverse pegs with a width of 8 mm, a thickness of 7 mm. and 40 mm long based on ISO 2292 (according to pulley hub thickness). Based on the calculations and transmission design, a waste processing tool was built and then tested. From the tests, it was found that the power produced by PLTS was 1.5583 kW at 2239 Lux light to chop up 2 kg of organic waste. 
Development of Industry-Based Occupational Safety and Health Learning Aids for Automotive Vocational School Students Bambang Sudarsono; Wegig Pratama
VANOS Journal of Mechanical Engineering Education Vol 9, No 1 (2024)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v9i1.24206

Abstract

Occupational Safety and Health (K3) is an important aspect for creating a safe and healthy work environment. K3 is a competency that all prospective workers, especially vocational school graduates, must have. K3 learning tools are needed that play an important role in presenting industry-based knowledge, as well as emphasizing K3 practices in an interactive and interesting way in learning. This research aims to develop K3 learning teaching aids and test their effectiveness in improving student competence. This research is research and development (R&D) which adopts the Four-D development model consisting of Define, Design, Develop, and Disseminate. The object of the research was carried out at SMK Muhammadiyah 2 Sleman with the research subjects consisting of 34 students, 2 teachers and 2 industrial practitioners. Data collection techniques use tests and non-tests with research instruments in the form of interviews, questionnaires and practical performance tests. The development of industry-based K3 teaching aids was carried out well and effectively increased K3 competency during two trials. The achievement of K3 competency can be seen from the increase in the average score of the competency test in the limited trial stage with a score of 68 and the score in the expanded trial of 88.
The Role of School Principal Management in Talent Interest Mapping: A Case Study of Human Resource Vocationalization at Automotive Vocational School Kulon Progo Anang Eko Saputro; Widodo Widodo; Arif Bintoro Johan
VANOS Journal of Mechanical Engineering Education Vol 9, No 1 (2024)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v9i1.20560

Abstract

The management role of school principals is very important, especially in improving the quality of education, one of which is mapping interest and talent, especially as there are still many students who are confused about recognizing their own potential, which will later influence a lack of preparation and result in many vocational school students not being absorbed into work after graduating. The aim of this research is to find out the role of school principal management in mapping talent interests as an effort to vocationalization human resources. The research method uses a qualitative case study approach design. Data were collected through observation, in-depth interviews from each key source including 4 key sources (Principal, Head of automotive Program and students). Data analysis using The Miles and Huberman model was added with NVivo 12 Plus software by identifying, evaluating and describing data. The results of research on the management role of school principals include creating programs in schools to facilitate the development of interests and talents, collaborative direction of teachers and school committees, increasing competency of education staff and students in schools to face current developments and create quality graduates. 
Optimal Design of Gorlov Turbine Using Computational Fluid Dynamics and Taguchi Method Medyawanti Pane; Riswanton Saragih
VANOS Journal of Mechanical Engineering Education Vol 9, No 1 (2024)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v9i1.24496

Abstract

Wind energy for electricity generation presents a promising alternative to fossil fuels, driving the development of renewable energy technologies. Computational Fluid Dynamics (CFD) stands out as a powerful tool in this domain. This study focuses on optimizing the design of Gorlov turbines through a combination of CFD simulations and the Taguchi method. The research identifies four key factors influencing turbine performance: twist angle, chord length, number of blades, and aspect ratio. These factors are systematically varied using an orthogonal array, resulting in nine distinct blade configurations. Subsequently, simulations are conducted using ANSYS Fluent software under transient conditions at a wind speed of 5 m/s. Simulation results reveal that the maximum angular velocity achieved is 29.8187 deg/s, accompanied by a torque of 0.426 Nm, leading to a calculated maximum power output of 12.73 Watts. Furthermore, Taguchi analysis and ANOVA are employed to assess the significance of each factor. The analysis highlights the aspect ratio as the most influential factor, accounting for 99.7% of the observed variation. This study underscores the potential of CFD and the Taguchi method in optimizing wind turbine design for enhanced performance. The findings emphasize the critical role of the aspect ratio in determining turbine efficiency, paving the way for more efficient renewable energy generation.
Preparation of Generic Skill Assesment (GSA) for Vocational High School Students in The Field of Refrigeration and Air Conditioning Engineering Reza Angga Nugraha; Mumu Komaro; Supriyanto Supriyanto
VANOS Journal of Mechanical Engineering Education Vol 9, No 1 (2024)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v9i1.26089

Abstract

The evolving refrigeration and air conditioning engineering industry demands a workforce proficient in both technical and generic skills. Traditional competency assessment models often prioritize technical skills, leaving a gap in evaluating essential generic skills. This research introduces the Generic Skill Assessment (GSA) model, designed to holistically assess vocational school students in the refrigeration and air conditioning sector. Utilizing a mixed-methods approach, the study developed a GSA instrument validated by experts, achieving a reliability score of 0.75. Key generic skills identified include communication, teamwork, adaptability, and critical and creative thinking. The model effectively integrates these skills with technical competencies through comprehensive assessment indicators. Despite challenges such as limited academic studies, low teacher awareness of generic skills, and inadequate curriculum evaluation, the GSA model demonstrates significant positive impacts. With 83% of students well-prepared for the industry, the GSA model offers a balanced and robust framework for evaluating and enhancing students' readiness for the workforce.
Effectiveness of Peer Teaching Learning Models in Lathe Machinery Practice Courses for Mechanical Engineering Education Program Students Sarwi Asri; Hanif Hidayat; Muhammad Fariz Nasrullah
VANOS Journal of Mechanical Engineering Education Vol 9, No 1 (2024)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v9i1.25842

Abstract

The peer teaching learning model provides an opportunity for students to give each other knowledge to their peers. Peer teaching is a student-centred learning method. The purposes of this study are (1) to learn about the competence of students’ lathe practice after applying the learning model of peer teaching and (2) to know about the improvement of the competency of students’ lathe practice after applying the peer-teaching learning model. The method used in this research is quasi-experimental. The sample used in this research was 41 students of the Practical Class from the Mechanical Engineering Education Study Program. The data analysis used is normality test, homogeneity test, t-test, and N-Gain test. The results of the research show that (1) the competence of lathe practice of the students who apply a peer teaching learning model is in moderate categorized and (2) the application of a peer learning model is effective to improve the lathe practical competence of the students.
Developing Tutorial Video Chassis Maintenance for Automotive Students at SMK Negeri 1 Seyegan Dimas Kurniawan; Ibnu Siswanto
VANOS Journal of Mechanical Engineering Education Vol 9, No 1 (2024)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v9i1.25986

Abstract

The primary objective of this study is to develop tutorial videos addressing periodic maintenance procedures for light vehicle chassis at intervals of 5000, 10,000, 20,000, and 40,000 kilometers, while also assessing their suitability for educational purposes. The Research and Development (R&D) methodology, utilizing the ADDIE model, was employed for this purpose. The R&D process encompasses analysis, design, development, implementation, and evaluation stages. The study was conducted at SMK Negeri 1 Seyegan, where content and media experts served as respondents to evaluate the appropriateness of the tutorial videos. Additionally, 96 students from Class XI of the Automotive Light Vehicle Engineering department participated in trial sessions to assess the videos' usefulness. Data were gathered through interviews and questionnaires, followed by thorough analysis to elucidate the study's findings. The results revealed that the tutorial videos received very high ratings from content experts (96.5%) and favorable ratings from media experts (79.8%). Moreover, students, as potential users, gave the videos a high score of 80.43%. These findings indicate that the tutorial videos are well-suited for implementation in practical classroom activities.
Design of Plastic Waste Processing Extrusion Machines Agus Haris Abadi; Ridwan Baharta; Masri Bin Ardin
VANOS Journal of Mechanical Engineering Education Vol 9, No 1 (2024)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v9i1.22872

Abstract

Plastic waste remains a significant unresolved issue due to extensive usage and lack of public awareness. It continues to be a problem in both rural and urban areas. The difficulty in eradicating plastic waste means that it will continue to accumulate if not addressed seriously. This study aims to develop equipment for processing plastic waste, including the main frame, component holder, heating tube, and screw extruder. This type of research falls under research and development (R&D) and involves the following steps: identifying potential and problems, gathering information, product design, design validation, and design improvement. The study findings are as follows: 1) The main frame is constructed using black hollow iron 30x30x1.6 mm; 2) Design drawings for the main frame, tube holder, heating tube, and screw extruder in both 2D and 3D formats are provided. These drawings include dimensions and work symbols in accordance with drawing rules; 3) The Von Mises Stress test on the main frame, conducted with a 100 kg load, indicates that the highest tension is located above the end of the middle support, with a value of 73.09 MPa. This value is far from the melting point. The part with the lowest stress is the lower frame, with a value of 0.02 MPa; and 4) The Von Mises Stress test on the tube holder, conducted with a 50 kg load, shows that the highest stress is at the bottom, with a value of 1.813 MPa. This value is far from the melting point. The part with the lowest stress is the lower seat of the side, with a value of 0.001 MPa.
Development Job Sheet Based Performance Assessment to Improve Skills Overhaul Toyota Transmission in Vocational High Schools Sigit Purnomo; Ade Listanto; Samidjo Samidjo; Muhammad Hakiki; Dwi Susanto
VANOS Journal of Mechanical Engineering Education Vol 9, No 1 (2024)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v9i1.21312

Abstract

This research and development aims to: 1) the development of performance assessment based job sheets to improve manual transmission overhaul skills, 2) the feasibility of performance assessment based job sheets to improve manual transmission overhaul skills and 3) students' responses to the development of performance assessment based job sheets to improve skills manual transmission overhaul. The development model used in this research uses the Four-D model which consists of 4 stages, namely define, design, development and disseminate. The results of this research and development show that the feasibility level of media experts is 87.33% (very feasible) and material experts are 91.01% (very feasible). The small-scale trial got a result of 93.44% (strongly agree) and the limited scale trial got a percentage of 94.97% (strongly agree). Based on the results of this research, it can be concluded that job sheets are suitable for use for learning.

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