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All Journal JPTK: Jurnal Pendidikan Teknologi dan Kejuruan Jurnal Kompetensi Teknik Jurnal Pendidikan Teknik Mesin Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran Sainteknol : Jurnal Sains dan Teknologi VANOS Journal of Mechanical Engineering Education Automotive Science and Education Journal Journal of Mechanical Engineering Learning JURNAL DINAMIKA VOKASIONAL TEKNIK MESIN Journal of Vocational and Career Education Jurnal Ilmiah Wahana Pendidikan Jurnal Penelitian Pendidikan Jurnal Abdimas Journal of Vocational and Career Education Jurnal Inovasi Mesin Journal of Mechanical Engineering Learning
M. Burhan Rubai Wijaya
Pendidikan Teknik Mesin, Universitas Negeri Semarang
Religion Automotive Engineering Computer Science & IT Education Engineering Mechanical Engineering Social Sciences Other

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PENGELOLAAN LIMBAH PETERNAKAN SAPI UNTUK MENINGKATKAN KAPASITAS PRODUKSI PADA KELOMPOK TERNAK PATRA SUTERA Saputro, Danang Dwi; Wijaya, Burhan Rubai; Wijayanti, Yuni
Rekayasa : Jurnal Penerapan Teknologi dan Pembelajaran Vol 12, No 2 (2014): December 2014
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/rekayasa.v12i2.10124

Abstract

Kelompok ternak Patra Sutera di Desa Ledok Kecamatan Sambong Kabupaten Blora yang berdiri pada tahun 2013 telah mempunyai sapi 8 ekor yang berada di kandang komunal yang dikelola oleh 6 anggota kelompok. Dalam satu hari setiap ekor sapi dapat menghasilkan limbah padat sebanyak 20-30 kg dan limbah cair sebanyak 100-150 liter yang selama ini belum dikelola dengan baik. Limbah dari kegiatan ternak belum terolah dengan baik dan dibuang ke lingkungan sehingga menimbulkan dampak negatif bagi kesehatan masyarakat sekitar kandang. Salah satu cara untuk mengatasi kondisi ini adalah dengan memberikan pelatihan keterampilan atau pendampingan bagaimanakah teknik pembuatan pupuk organic dan reaktor biogas sederhana, mengoperasikan, serta memanfaatkan gas yang dihasilkan. Dalam kegiatan ini akan diberikan pelatihan keterampilan bagaimana cara mengolah limbah ternah untuk dijadikan pupuk dan pestisida organik,serta pengelolaan biodigester. Dari kegiatan ini Anggota kelompok ternak Patra Sutera mendapat pengetahuan dan mengolah limbah kotoran ternak (padat dan cair) yang keliar dari biodigester menjadi pupuk yang lebih bermanfaat.
Product-Based Learning Model through the Alignment of Mechanical Engineering Competencies with Industry Heri Yudiono; Sonika Maulana; M. Burhan Rubai Wijaya; Rahmat Aprianto; Karsan Karsan
Jurnal Pendidikan Teknologi dan Kejuruan Vol 27, No 1 (2021): (May)
Publisher : Faculty of Engineering, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jptk.v27i1.28832

Abstract

The alignment of the competencies in the industry with vocational school is crucial to develop the graduate skills to comply with industry needs. Competency alignment can be performed through an innovative learning model by integrating the industrial activities into learning activities. This study assessed the feasibility of the product–based learning model to improve the mechanical engineering competence by aligning competencies of the vocational school with industry. This study used experimental research with one group pretest-posttest design. The study employed data analysis consisting of the T-test and the feasibility testing of the model. The effectiveness testing of the model was performed by comparing student’s achievement before and after using the learning model. The feasibility test was conducted on 39 students participating in the subject of Machining Process II. The results of the study revealed that there were significant differences in mechanical engineering competencies before and after using the learning model. These results indicated that the industry and stakeholders need to be involved in each stage of learning.
PENERAPAN MODEL PROBLEM BASED LEARNING BERBANTUAN EDUCATION GAMES UNTUK MENINGKATKAN HASIL BELAJAR SISWA KELAS X TKR MATERI HAND TOOLS DAN POWER TOOLS Burhanudin Mey Setya Nugraha; M. Burhan Rubai Wijaya
VANOS Journal of Mechanical Engineering Education Vol 1, No 1 (2016)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (653.17 KB) | DOI: 10.30870/vanos.v1i1.829

Abstract

Tujuan penelitian ini untuk membuktikan ada peningkatan hasil belajar pada materi hand tools dan power tools dengan menerapkan model problem based learning berbantuan education games. Penelitian ini menggunakan metode eksperimen dengan desain quasy experiment. Prosedur penelitian yang digunakan adalah jenis non equivalent control group design. Berdasarkan hasil analisis data yang diperoleh bahwa rata–rata hasil belajar materi hand tools dan power tools pada kelompok eksperimen yang semula 59,31 menjadi 85,01 atau terjadi peningkatan sebesar 43,33%, sedangkan pada kelompok kontrol yang semula memiliki rata–rata sebesar 64,03 menjadi 74,92 atau terjadi peningkatan sebesar 17%. Hasil penghitungan analisis data tersebut menunjukkan penerapan problem based learning berbantuan education games dapat meningkatkan hasil belajar dalam materi hand tools dan power tools. 
Perbandingan Penggunaan Filter Udara Standar dan Racing Terhadap Performa dan Emisi Gas Buang Mesin Sepeda Motor Empat Langkah Agus Fatkhuniam; M. Burhan Rubai Wijaya; Angga Septiyanto
Jurnal Dinamika Vokasional Teknik Mesin Vol. 3 No. 2 (2018): Oktober
Publisher : Department of Mechanical Engineering Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (273.994 KB) | DOI: 10.21831/dinamika.v3i2.21410

Abstract

This research aims to determine the performance increase of using racing air filters compared to standard air filters on a four-stroke vehicle. Performance being tested are power, torque and exhaust emissions. This is an experimental research conducted on a Honda Supra X 125 PGM-FI motorcycle. Data were analyzed using descriptive statistics and the collection is presented in the form of tables, graphs, and calculated averages. Results show that racing air filter 1 have a power of 7.35 HP (2.3% increase) and racing air filter 2 have a power of 7,3 HP (1.6% increase). The torque tests shows that Racing filter 1 has a torque of 10,588 Nm and the racing air filter 2 has a torque of 10,585 Nm, while standard filter has only 10.42 Nm. CO gas emissions resulting from the use of racing air filters 1 increased by 28% from standard air filters and for racing air filter 2 CO 2 emissions decreased by 6%. At the exhaust emissions of HC, racing air filters 1 emissions increased by 16% and racing air filter 2 decreased by 9%. Penelitian ini bertujan untuk membuktikan adanya perbedaan filter udara racing dengan filter udara standar terhadap performa kendaraan empat langkah, berupa daya, torsi dan emisi gas buang. Penelitian dilakukan secara eksperimen pada sepeda motor Supra X 125 PGM-FI. Analisis data menggunakan statistik deskriptif dengan penyajian data berupa tabel, grafik. Hasil penelitian menunjukkan bhawa perhitungan rata-rata. sebesar 7,35 Hp dengan meningkat 2,3% dan filter udara racing 2 meningkat sebesar 1,6 % menjadi 7,3 HP dibandingkan dari hasil filter udara standar sebesar 7,18 Hp, torsi filter udara racing 1 meningkat sebesar 1,6% menjadi 10,588 N.m dan filter udara racing 2 meningkat 1,5% menjadi 10,585 N.m dibandingkan hasil dari penggunaan filter standar sebesar 10,42 N.m. Emisi gas buang CO yang dihasilkan dari penggunaan filter udara racing 1 meningkatan 28% dari filter udara standar 0,803% menjadi 1,034% dan CO filter udara racing 2  ada penurunan 6% menjadi 0,754% dari CO filter udara standar 0,803%, dengan selisih perbedaan 0,231% dan 0,049% dari penggunaan filter udara standar. Pada emisi gas buang HC filter udara racing 1 terdapat peningkatan sebesar 16% menjadi 142 ppm dari hasil filter standar dan penurunan 9% dari penggunaan filter udara racing 2 sebesar 111 ppm dibandingkan HC yang dihasilkan filter standar sebesar 122 ppm, dengan selisih 20 ppm dan 11 ppm dari HC yang dihasilkan filter udara standar.
Development of a Practical Learning Module to Enhance Automotive AC Maintenance Competency in Vocational High Schools Azzaky, Marham Ab Lathif; Wijaya, Burhan Rubai; Hudallah, Noor
Jurnal Penelitian Pendidikan Vol. 42 No. 2 (2025): October 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpp.v42i2.30588

Abstract

This study aims to enhance the competency of vocational high school students in automotive air conditioning (AC) maintenance by developing a practical learning module. Conducted at SMK Al Asror Semarang, this research utilized the ADDIE development model, encompassing Analysis, Design, Development, Implementation, and Evaluation phases. The analysis identified inadequate facilities and infrastructure as significant factors contributing to students’ low achievement levels. To address this issue, a practical learning module was designed based on the Indonesian National Work Competency Standards (SKKNI) and validated by subject matter and media experts. The implementation involved 29 students who participated in both pre- and post-competency assessments. The module’s practicality was also evaluated in terms of usability, clarity, relevance, and instructional design. In the final stage, students underwent a practical AC maintenance test assessed by external industry professionals. The results demonstrated a substantial improvement in students’ competencies, indicating that the developed module is not only effective but also a valuable instructional resource for enhancing HVACR learning outcomes in vocational education settings.
Development of Electric Power Steering Devices to Improve Steering System Maintenance and Overhaul Abilities Zidni, Mukhammad Irfan; Wijaya, M. Burhan Rubai; Sutopo, Yeri
Journal of Vocational and Career Education Vol. 10 No. 2 (2025): December 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jvce.v10i2.32600

Abstract

Observations indicate that student learning processes still lack adequate teaching aids as learning reference sources. During the learning process, students' learning outcomes on electric power steering are still lacking, which can impact learning outcomes. This study aims to analyze the feasibility of the teaching aids, evaluate their effectiveness, and assess student improvement. This study uses the ADDIE (Analysis, Define, Design, Development, Implementation, and Evaluation) development model. The results of this study are teaching aids that are suitable for use. The feasibility of the teaching aids was determined by product trials with experts and potential users. The product's feasibility test by material experts was 3.88 (very feasible) and media experts was 3.86 (very feasible). The product was tested for practical use in the learning process, with user response results indicating that the teaching aid was practical. The study showed an increase in student competency after using the teaching aid, as indicated by an average score of 45.78 for learning outcomes in the electric power steering competency. Furthermore, the independent sample t-test showed a significant difference in competency in the post-test score, with t count = 8.874. The N-gain test also showed a gain of 0.73 (high improvement category).
Analysis of diesel engine vehicle emissions using egr with temperature variations Hakim, Fa’iq Taufiqul; Wijaya, M. Burhan Rubai; Abdurrahman; Roziqin, Ahmad
JMEL : Journal of Mechanical Engineering Learning Vol. 14 No. 1 (2025): June
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jmel.v14.i1.23830

Abstract

This study aims to analyze the exhaust emissions of diesel engine vehicles with and without the use of the Exhaust Gas Recirculation (EGR) system at engine temperature variations of 60℃, 70℃, and 80℃. The study was conducted on a 2008 Mitsubishi L300 Diesel vehicle to measure the effect of EGR on NOx emissions and soot emissions (smoke opacity). The research method used was an experiment with a quantitative approach. Data were obtained by measuring exhaust gas temperature as an indication of NOx emissions and using a smoke opacity meter to measure the level of vehicle smoke concentration. The results showed that the use of EGR was able to reduce NOx emissions, but increased soot emissions. The higher the engine temperature, the NOx emissions tended to increase both in vehicles with and without EGR. Conversely, soot emissions decreased along with increasing engine temperature. The conclusion of this study is that the EGR system is effective in reducing NOx emissions but has side effects in the form of increased soot emissions. Therefore, optimization of EGR technology needs to be combined with other strategies to reduce the negative impact on air quality.
Development and Implementation of Flipbook-Based E-Modules to Enhance the Mastery of Welding Symbols Syifa, Naeli; Wijaya, M. Burhan Rubai; Basyirun, Basyirun
Journal of Vocational and Career Education Vol. 9 No. 1 (2024): July 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jvce.v9i1.19685

Abstract

The limited mastery of welding symbols among students is a significant challenge in the instruction of basic welding and metal fabrication techniques, which adversely affects the quality of the resulting products. This study aims to develop a flipbook-based e-module to improve the understanding of welding symbols, with its effectiveness assessed through observation, feedback, and testing. The research utilizes the ADDIE development model (Analysis, Design, Development, Implementation, and Evaluation). An experimental design was employed, comparing an experimental group with a control group, consisting of 72 students from the Welding Engineering and Metal Fabrication program in grade 10th. The findings indicate that the flipbook-based e-module significantly enhanced the mastery of welding symbols. This research highlights the positive impact of integrating technology into education, reinforcing the importance of innovative teaching methods to improve learning outcomes in the field of welding engineering
Development of an Android-Based Application for Technical Drawing to Enhance Learning Outcomes Krisdiantoro, Dwiki; Wijaya, Burhan Rubai; Suryatna, Bambang Sugeng
Journal of Vocational and Career Education Vol. 9 No. 1 (2024): July 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jvce.v9i1.22401

Abstract

This study is motivated by challenges in the teaching and learning process of technical drawing, including low student engagement, ineffective lesson hours, suboptimal learning media, and previous student achievement scores below 80%. The research aims to develop an Android-based learning media application, JAGAR, for teaching single-story house plan drawing, assess its feasibility, evaluate its practicality, and compare its effectiveness with other instructional methods in improving learning outcomes. The study employs the ADDIE development model and is conducted at SMK Negeri 7 Semarang, specifically in the Grade XI Building Construction, Sanitation, and Maintenance Program. The sample consists of 70 students divided into two classes, each subjected to different instructional approaches. The findings indicate that the JAGAR learning application is both feasible and practical based on evaluations by subject matter experts and teachers. Additionally, its implementation proves to be more effective than conventional methods. The study concludes that utilizing the JAGAR application significantly enhances student learning outcomes and motivation. The novelty of this research lies in the integration of instructional videos, quizzes, and job sheets within the learning media.
Effect of Dual External Exhaust System with Activated Charcoal and Reheater on Diesel Engine Exhaust Emissions muhammad riyadi, muhammad riyadi; Septiyanto, Angga; Wijaya, Burhan Rubai; Roziqin, Ahmad
Jurnal Inovasi Mesin Vol. 6 No. 1 (2024): APRIL 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jim.v6i1.10229

Abstract

The increase in the mass and widespread use of diesel engines can lead to an increase in exhaust emissions, which can have a negative impact on the environment and human health with an increase in the number of vehicles and activities in workshops and test sites, there is a need to minimize the emission of exhaust gases during the process, The need for additional alternative methods that can help reduce emissions in places where there are potentially many vehicles in vehicle repair shops vehicle repair shops, at vehicle test sites and light vehicle practice places of automotive vocational high schools,, the development of additional equipment that is attached or added to an object without changing from that object or   after treatment tools It is still rarely found, especially in ordinary workshops, even official workshops are still uneven and not optimal, reducing exhaust gas levels when the vehicle stops or is static. This study uses an experimental method by making after treatment tools in the form of dual external exhaust systems that are attached to vehicles during emission testing and testing that emit smoke or vehicle exhaust emissions as an alternative effort in handling vehicle emissions, especially diesel engines. The tool in the form of a dual external exhaust system with activated charcoal and a reheater with temperature variations from the reheater at temperatures of 100 °C, 150 °C, and 250 °C is used in conventional diesel vehicles and common rail diesel vehicles. Tests are taken 3 times on each specimen/variation.  The results of this study show that first, there is an effect of dual external exhaust systems with activated charcoal and reheater on the exhaust gas emissions of conventional diesel engines, the effect obtained is a decrease in CO emission results from 0.47 to 0.10 with a percentage decrease of 78% and Opacity from 82 to 46 with a percentage of 44%. Then the second is the influence of dual external exhaust systems with activated charcoal and reheaters on the exhaust gas emissions of common rail type diesel engines. The effect obtained was a decrease in CO emission results from 0.05 to 0.01 with a percentage decrease of 80% and Opacity from 32 to 23 by 28%
Co-Authors - Basyirun - Sunyoto  AA Sudharmawan, AA Abdurahman Abdurrahman Achmad Arifin Afriyanto, Rifki Eki Agus Fatkhuniam Ahmad Roziqin, Ahmad Aji, Nugroho Kusumo Bayu Angga Septiyanto Anshorulloh, Abdur Rohman Robbani Antoni, Dedi Antoni, Dedi Aryaditama, Geofan Azzaky, Marham Ab Lathif Bambang Sugeng Suryatna, Bambang Sugeng Baskoro, Aldo Luhung Burhanudin Mey Setya Nugraha Edy Setyawan Eko Supraptono Fathimah, Aisya Fathimah Fitriyanto, Piyan Hadromi - Hakim, Fa’iq Taufiqul Heri Yudiono Hongko Pulung Seto, Hongko Pulung Karnowo - Karsan Karsan Khumaedi , Muhammad  Krisdiantoro, Dwiki Kurniawan, Muhammad Mubarak, Raihan Fa’iq muhammad riyadi, muhammad riyadi Muhammad  Khumaedi  Noor Hudallah Prasetya, Muhammad Iwan Puspitasari, Dewi Mega Qunefi, Fuat Rahmat Aprianto Ramelan . Rodia Syamwil Rohman, Shohihatur Rusiyanto Rusiyanto, Rusiyanto Satriaji, Anton Septiyanto, Angga Septiyanto, Angga Setyo Hadinata Siraj, Ubaidillah Sofwan, Ahmad Agus Sonika Maulana Sunyoto Sunyoto Sunyoto , - Syifa, Naeli Wibowo, Apriansyah Wika Forestyanto, Yoga Wika Forestyanto Yeri Sutopo Yuni Wijayanti Zaenal Afroni, Zaenal Zidni, Mukhammad Irfan