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VANOS Journal of Mechanical Engineering Education
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Articles 9 Documents
Search results for , issue "Vol 7, No 1 (2022)" : 9 Documents clear
Performance Testing and Preventive Maintenance of Roller Bending Machine Using the ISMO Method Adhan Efendi; Yohanes Sinung Nugroho
VANOS Journal of Mechanical Engineering Education Vol 7, No 1 (2022)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v7i1.14277

Abstract

This study aimed to perform performance testing and make a preventive maintenance plan on the roller bending machine with inspection, small-repair, medium repair, and overhaul (ISMO) methods. The preventive maintenance time of the roller bending machine run with daily and monthly types of maintenance. The results showed that the performance and calculations to determine the radius of the rolling results with the digital calculation method through the machine test application worked optimally. Monthly and daily routine preventive maintenance was accomplished using the ISMO method. The total time required for the roller bending machine prevention machine maintenance is 800 minutes per month. The breakdown includes 180 minutes for inspection, 80 minutes for minor repair, and 540 minutes for moderate repair.
Virtual Lab Development to Support Automotive Electrical Practicum Course Dani Irawan; Erwin Komara Mindarta; Sumarli Sumarli; Citra Kurniawan
VANOS Journal of Mechanical Engineering Education Vol 7, No 1 (2022)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v7i1.13190

Abstract

Throughout 2020, what was implemented at UM had an impact on the learning of practical subjects. Practical learning that has been carried out in laboratories/workshops must switch to an online system. One of them is the Body Electrical Practicum course, 3 credits/6 JS. Due to the nature of courses that are usually carried out by laboratories to provide effective skill acquisition and hands-on experience, it is often difficult to make these laboratories accessible online. Therefore, the solution offered in this research is to develop virtual lab-based learning content to complement the learning content that has been implemented so far. The purpose of this research is (1) to produce appropriate learning media (2) to test the effectiveness of the developed media. This research method uses research and development of the ADDIE model which consists of analysis, design, development, and implementation. Meanwhile, the data analysis used is in the form of a percentage that describes the size of the feasibility of the virtual lab developed according to experts, and the tow tail test is used to test the effectiveness. Based on the feasibility test from the experts that the developed media is suitable for learning in electrical courses in the Department of Mechanical Engineering, State University of Malang with minor revisions. While the results of the effectiveness test show that the media developed is very effective, as evidenced by an increase in the value of the respondents who are the object of the test. The contribution of this research is to complement the offline practical learning that has been carried out so far, so that it can provide solutions for online practicum models during the pandemic.
Analysis of the Effect of Calcination Time on Microstructure, Functional Groups, and Crystal Structure of LiNiO2 Battery Cathode Material Budiarto Budiarto; Edward Baringin Oloan Sihite; Medyawanti Pane
VANOS Journal of Mechanical Engineering Education Vol 7, No 1 (2022)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v7i1.14533

Abstract

Battery cathode material is one of the four determinants of energy storage capacity, which is used as a power source in electronic equipment. laptops, and electric vehicles. Synthesis of the cathode material for LiNiO2 battery with one stage co-precipitation method, and variations in calcination time of 3, 6, 9 and 24 hours with a constant temperature of 7000C. Microstructure observations with SEM showed an uneven and homogeneous surface. The elemental compositions of Li, and Ni were analyzed by EDXS showing that Li and Ni metal decreased with increasing calcination time. The results of the crystal structure test using an X-ray diffractometer showed that with increasing calcination time the crystallite diameter decreased, but the dislocation density increased. The micro-lattice strain increased with increasing calcination time in the planes of the Miller hkl index (102), (104), (210), (108), and (113). The FTIR spectra show that the peak at wavenumber 433 cm-1 is caused by the asymmetric stretching vibration of Li–O in LiO6 and bending vibration of NiO6, namely [(Ni–O–Li)], appearing at 603 cm-1.
Development of Learning Media Using the Sparkol Videoscribe Application on Measuring Tools at Vocational High School Sigit Purnomo; Slamet Priyanto; Eko Ady Prasetyo; Dwi Susanto
VANOS Journal of Mechanical Engineering Education Vol 7, No 1 (2022)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v7i1.14116

Abstract

This Study aims to (1) produce text video learning media that contains understanding, how to use, how to read measuring results, maintenance and repair of each measuring tool; (2) knowing eligibility the text video learning media using the sparkol videoscribe application;(3) knowing the student respond the text video learning media using the sparkol videoscribe application. This research includes research and development (R&D). The development modelin this study refers to the Borg and Gall model and is simplified by the puslitjaknov team into 5 steps with stages 1) Product Analysis; 2) Early Product Development; 3) Expert Validation And Revision; 4) Small Group Trials; 5) Large Group Trial And Product End. The development of learning media is declared possible to be used for learning with the results of the average score of media experts of 3.13 and materi experts of 3.33. Student Responses based on the average score of the small group trials result of 3.29 and the average score of the large group trials results of 3.32. Based on these assessments and response, the media developed is suitable use for learning. 
Blended Learning with Flipped Classroom through Contextual Teaching and Learning Approach to Increase Motivation and Learning Outcomes Rahmadi Rahmadi
VANOS Journal of Mechanical Engineering Education Vol 7, No 1 (2022)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v7i1.14537

Abstract

This study aims to determine the increase in learning motivation and learning outcomes in technical drawing lessons for class X TKRO 3 SMKN 1 Bulakamba students in the even semester of the 2021/2022 academic year. This research is a classroom action research conducted in two cycles, where each cycle consists of four stages, namely: planning, implementing action, observing, and reflecting. Learning in the first cycle was carried out by blended learning with a flipped classroom, while the learning in the second cycle was carried out by blended learning with a flipped classroom using a contextual teaching and learning approach. Sources of data were obtained from 36 students of class X TKRO 3, learning motivation data was obtained from questionnaires via google form while learning outcomes data were obtained from formative test scores and worksheet scores. Processing and data analysis using Microsoft Excel 2010. The results showed that in the initial conditions students who had high/very high learning motivation were 22, in the first cycle there were 29 and in the second cycle 33. While the average value of the initial conditions, the first cycle was 33. I, cycle II was 79, 81, 82 with the percentage of passing respectively 72.2%, 77.8%, 91.7%. Learning motivation increased by 31.8% in the first cycle and 13.8% in the second cycle, while the average value of learning outcomes increased by 2.53% in the first cycle and 2.47% in the second cycle.
Investigation of Teaching Factory (TEFA) Implementation in Vocational Education Suyitno Suyitno
VANOS Journal of Mechanical Engineering Education Vol 7, No 1 (2022)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v7i1.14202

Abstract

The purpose of this research is: 1) investigating the implementation of the Teaching Factory in the Department of Automotive Light Vehicle Engineering at SMK Taman Karya Madya Teknik Kebumen in a systematic manner, 2) understanding the factors that support the implementation of Teaching Factory at SMK Taman Karya Madya Teknik Kebumen's Department of Automotive Light Vehicle Engineering, and 3) Recognizing the factors impeding the implementation of the Teaching Factory at SMK Taman Karya Madya Teknik Kebumen's Department of Automotive Light Vehicle Engineering.This study is a type of descriptive study. The method used is qualitative. Data collection techniques are carried out through 1) observation, 2) interview, and 3) documentation activities. The stages of description, reduction, and selection are all part of the research procedure.The study results that, overall, the management of the Teaching Factory implementation in the Department of Automotive Light Vehicle Engineering, the Teaching Factory workshop service unit at SMK Taman Karya Madya Teknik Kebumen has been well implemented. It has followed the concepts and objectives of the Teaching Factory itself in implementing the Teaching Factory workshop business unit as a manifestation of the Teaching Factory form. The involvement of students in the management of Teaching Factory implementation in the Department of Automotive Light Vehicle Engineering, the Teaching Factory workshop service unit at SMK Taman Karya Madya Teknik Kebumen is following the teaching factory learning concept in this case. Students are only involved in the implementation of the Teaching Factory in the Automotive Light Vehicle Engineering Department. Meanwhile, it is still carried out by the management of the Teaching Factory in the Automotive Light Vehicle Engineering Department, the Teaching Factory workshop service business unit at SMK Taman Karya Madya Teknik Kebumen in terms of Planning, Organizing, and Supervision. 
Analysis of the Effect of Blade Thickness on Propeller Water Turbine Performance Using Computational Fluid Dynamic Fajar Paundra; Akhmad Nurdin; Hamid Abdillah; Puguh Elmiawan
VANOS Journal of Mechanical Engineering Education Vol 7, No 1 (2022)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v7i1.14979

Abstract

Hydropower on the lowest scale namely propeller pico-hydro, the turbine has a light workload so that allows it to be made from polymer materials with rapid manufacturing 3D printing technology.  In the design of the propeller turbine, the most concerned loading is the axial load which results in failure. A failure of designing the dimensions of the propeller turbine with polymer materials causes a fracture in the blades. This study aims to analyze how the effect of blade thickness on the performance of a propeller water turbine. Data collection in this study uses numerical simulation through computational fluid dynamics using SolidWorks Flow Simulation with the blade thickness variable used 1 mm to 3 mm with a fillet size 1.5 mm. Based on the results, the thickness of the blade affects the value of static torque. At a blade thickness of 2 mm, it shows the most optimal torque value compared to a thickness value below or above 2 mm.
Meta-Analysis: The Effectiveness Of Project-Based Learning Model On Learning Outcomes Wagino Wagino; Ambiyar Ambiyar; Wakhinuddin S; Suhendar Suhendar; Iffarial Nanda
VANOS Journal of Mechanical Engineering Education Vol 7, No 1 (2022)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v7i1.14205

Abstract

This consider points to examine the adequacy of the project-based learning show on learning results. This consider employments a meta-analysis strategy with auxiliary information sorts. The information were gotten within the frame of post test comes about for the control lessen and the exploratory class from inquire about articles employing a venture based learning show for learning results. A add up to of 27 investigate articles were dismembered and the information gotten were calculated utilizing the impact estimate (ES) equation. The calculation results show that the project-based learning show includes a moderate effect on learning results. Hence, the project-based learning show is successful and can be utilized within the learning handle.
The Development of an Application to Design a Solar Updraft Tower Power Plant and to Estimate its Power Generation Moch. Faqih; Nu Rhahida Arini
VANOS Journal of Mechanical Engineering Education Vol 7, No 1 (2022)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v7i1.13170

Abstract

A solar thermal converter is an alternative device to optimize the generation of electricity. One implementation of it is Solar Updraft Tower (SUT) which has some advantages such as easy installation, zero-emission, and long-life investment. This paper aims to describe a method to design the process of a SUT power plant which can be used to predict the expected mechanical power output. The application is built using an open-source computation software, GNU Octave, to produce an interactive user interface. In this paper, data is collected experimentally from SUT prototype in laboratory scale. The operational data is processed using the proposed application to analyze the effect of the variation of inlet diameter on mechanical power output. From the result, the power output increases along with the increasing inlet diameter. The highest power output is produced by a SUT diameter of 0.165 m. This study contributes to increasing the development of renewable energy technology of solar thermal power plants. 

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