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All Journal Jurnal Kependidikan: Penelitian Inovasi Pembelajaran Journal of Mechanical Engineering Education (Jurnal Pendidikan Teknik Mesin) Jurnal Pendidikan Teknik Mesin INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Seminar Nasional Teknologi Informasi Komunikasi dan Industri Martabe : Jurnal Pengabdian Kepada Masyarakat JURNAL PENDIDIKAN TAMBUSAI Journal of Education Action Research Journal of Applied Engineering and Technological Science (JAETS) Community Engagement and Emergence Journal (CEEJ) MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Asatiza: Jurnal Pendidikan Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat BERNAS: Jurnal Pengabdian Kepada Masyarakat Teknomekanik ARSY : Jurnal Aplikasi Riset kepada Masyarakat AEEJ : Journal of Automotive Engineering and Vocational Education Jurnal Vokasi Mekanika Journal of Social And Economics Research Journal of Community Service Tsaqofah: Jurnal Penelitian Guru Indonesia MASALIQ: Jurnal Pendidikan dan Sains ARZUSIN: Jurnal Manajemen dan Pendidikan Dasar Jurnal Aplikasi IPTEK Indonesia Al-DYAS : Jurnal Inovasi dan Pengabdian kepada Masyarakat Journal of Engineering Researcher and Lecturer Asian Journal of Science, Technology, Engineering, and Art PUSAKO : Jurnal Pengabdian Psikologi Harmoni Pendidikan: Jurnal Ilmu Pendidikan journal of social and economic research

Budi Syahri

Universitas Negeri Padang

Author-ID : 2568230

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Neuroscience Nursing Public Health Social Sciences Transportation Veterinary Other

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Design and Testing of Belt Grinding Development Setiawan, Sepdirama; K, Arwizet; Syahri, Budi; Ambiyar, Ambiyar; Darmawi, Darmawi; A, Yufrizal
Teknomekanik Vol. 1 No. 2 (2018): Regular Issue
Publisher : Universitas Negeri Padang

The author observes that the use of belt grinding is still rare in the writer's own environment, both in the fields of education and small industries, because there are still many people who are fixated on ordinary grinders, and think that ordinary grinders are better in all work. The development of belt grinders has changed people's perspectives through the development that the authors have done, with increasing belt grinding functions through development which will certainly make belt grinders even more useful. This belt burrs are made and developed through pre-existing belt grinding shapes. The result of this development is a belt grinder which has a function more than the belt grinder which is already before. This belt burrs has three types of work functions, namely vertical, horizontal, and cutter, and also features speed control. With the development that the author does, of course, it will change people's perspectives because belt grinding has a function that is better than before and can better help the work of a grinding process.

The Effect of Current Strength Towards ABREX Steel 400 Pulling Strength by Using SMAW Welding with Electrode E7018 Rizki, Muhammad; Erizon, Nelvi; Syahri, Budi; jr, Rodger Eliab
Teknomekanik Vol. 3 No. 2 (2020): Regular Issue
Publisher : Universitas Negeri Padang

The aim of this study is to determine the effect of variations in welding current strength on the tensile strength of ABREX 400 steel weld joints. The results of this study are expected to give contribution toward the world of metal welding, especially low carbon steel metal welding which will later be beneficial for the development of the metal industry and technology. The method used in this research was the experimental method. In addition, the process of welding the material used SMAW welding and the type of seam V connection and the variations in the current strength used are 90 A, 100 A, and 110 A. The specimen used was a TRS 400 low carbon steel plate with a thickness of 10 mm and the electrode used was the E7018 electrode Ø 3.2 mm. The standard specimen used was ASTM-8 and the test was carried out using the Universal Testing Machine tensile test device. As a result, the research showed that the tensile strength at a current of 90 A was 588.91 N / mm2, a current of 100 A was 570.56 N / mm2, and a current of 100 A was 545.17 N / mm2. Based on the results of the research, it can be concluded that welding using a current strength of 90 A produces the highest tensile strength value, namely 588.91 N / mm2 compared to currents of 100 A and 110 A.

Comparison of variation in the building shapes and the window-to-wall ratio by concerning energy consumption for thermal comfort and lighting Kurniawan, Andre; Lapisa, Remon; Setiawan, Muhammad Yasep; Rahim, Bulkia; Syahri, Budi
Teknomekanik Vol. 6 No. 2 (2023): Regular Issue
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/teknomekanik.v6i2.27972

Currently, an influential factor contributing to thermal comfort home design is the incorporation of energy-efficient passive design principles. It is exemplified by strategic window placement, the utilization of thermally efficient materials, and effective insulation. It exerts a substantial influence on thermal comfort and electrical consumption. This paper examines the effect of building shape and window-to-wall ratio (WWR) on thermal comfort and lighting energy consumption in residential houses in tropical climates. The lighting electricity and the adaptive thermal discomfort hours of 30 different models of houses were obtained using OpenStudio and EnergyPlus simulation software. The models were developed for three building shapes (square, rectangle, and L-shaped), and each model was varied in five models of window-to-wall ratios. Results indicate that the square-shaped model with a WWR of 10% will provide the lowest energy consumption in thermal comfort had 420.45 kWh/m2. On the other side, the lowest energy consumption in lighting is the square-shaped model with a WWR of 50% had 507.95 kWh/m2. Thus, the recommendation is to use the square-shaped house that represents the most efficient air conditioning system while the other WWR set also produce the most natural luminaire. It is because the percentage of WWR increased will result in more energy consumption in air cooling but slightly lower energy consumption in lighting. However, when considering aesthetics and freshness, the WWR of the 50% model will offer a better deal.

Enhanced durability and tribological performance of polyvinyl alcohol/layered double hydroxide/tannic acid composites under repeated swelling cycles Rahmadiawan, Dieter; Shi, Shih-Chen; Zhuang, Wei-Ting; Indrawan, Eko; Fernanda, Yolli; Syahri, Budi; Irzal, Irzal
Teknomekanik Vol. 7 No. 2 (2024): Regular Issue
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/teknomekanik.v7i2.32872

In recent years, the exploration of polyvinyl alcohol (PVA) composites has garnered significant attention due to their versatility applications in aqueous environments. However, despite their promise, neat PVA exhibit limitations such as significant mechanical degradation under repeated swelling cycles. This study investigates the durability and tribological performance of polyvinyl alcohol (PVA) composites reinforced with nickel-iron layered double hydroxide (LDH) and tannic acid (TA) under repeated swelling cycles. Building on previous research that explored composite preparation and initial characterization, this research emphasizes the effects of cyclic swelling on wear resistance, friction behavior, and mechanical properties. Tribological tests were conducted to evaluate the coefficient of friction (COF) and wear rate before and after multiple swelling cycles, alongside tensile strength and strain measurements. The results revealed that the PVA/TA2/LDH2 composite, containing the highest additive content, exhibited the lowest wear rate of 11.52 × 10⁻⁵ mm³/Nm after 3 swelling cycles, demonstrating superior resistance to material degradation. Although PVA/TA2/LDH1 exhibited a slightly lower COF, its wear rate was higher due to reduced reinforcement. Compared to neat PVA, which showed a COF increase from 0.45 to 0.53, the PVA/LDH/TA composites retained their tribological stability, with only a marginal increase in COF and wear rate. Similarly, tensile strength of PVA/TA2/LDH2 decreased by only 11% after 3 cycles (from 33.3 MPa to 30 MPa), while neat PVA experienced a 25.5% reduction (from 30 MPa to 22.5 MPa). These findings highlight the potential of PVA/LDH/TA composites for applications in aqueous environments, offering significantly enhanced long-term performance and reliability.

Co-Authors - Primawati A, Yufrizal Abd Aziz Abdul Aziz Abdul Aziz Abdul Aziz Abdullah, MT, Dr. Rijal Afriza Media Agariadne Dwinggo Samala Ahlal Fikri, Rivandy Albayhaqi Ichsan Ambiyar, Ambiyar Amri Ramadhan Anang Puji Nugroho Andre Kurniawan Andrian Saputra Antoni Hilman Antoni Hilman Aprilla Fortuna Arafat, Andril Arfianti, Fina Arif Rahman Syam Arifin Jannuar Arizal Saputra Arwizet Arwizet, Arwizet Asmar Yulastri Aspar, Fathir Azmul Fauzi Baskara, Andre Bayu Rahmadani Fajri Benni, Benni Bulkia Rahim Darmawi . Dayu Alfaridh Delima Yanti Sari Dirgantara, Septa Zela Donny Fernandez Dzaky Dzulqa Arijal Efriwan Efriwan Eko Indrawan Erizon, Nelvi Ewantho Yusuf, Aziz Fadhli Ranuharja Fauzi Frimananda Febri Prasetya Fiki Efendi Firdaus Firdaus Firmanto, Aldi Fitrah Qalbina Fortuna, Aprilla Furqan, Teuku Kamal Ganefri . Hafizul Akbar, Esa Hansi Effendi Haq, Syaiful Harpen, Romario Van Hasanul Irpando Hendra Warman Hendri Nurdin Herki Mahendra Hilman, Antoni Ilham Rinaldo Putra Irfan Adima Brawira Irsan Isral Irvansyah, Rifky Irzal Irzal Irzal, Irzal Jasman Jasman Jasman Jasman jr, Rodger Eliab Junil Adri Junil Ardi Kahar, Rahardi Kifli, Rafi Febrianto M. Yasep Setiawan Ma'rif Hidayat Muhammad Abdi Nugraha Muhammad Fikri Muhammad Lathif Mahendra Muhammad Ravi Muhammad Riko Saputra Muhammad Rizki Mulianti Mulyanti Mulyanti Muskhir, Mukhlidi Musytari Rahmat Nabawi, Rahmat Azis Nelvi Erizon Niko Adima Brawira Nikolas Verdian Guci Nizwardi Jalinus Nofri Helmi Nurdin Hendri Nurhaliza Nurhaliza Nurwijayanti Perdana, Putra Fajar Pratama, Daffa Aji Pratama, Heru Primandari, Sri Riski Putri Primawati Primawati Purwantono purwantono purwantono Purwantono Purwantono Purwantono, Purwantono Putra, Alan Putra, Randi Purnama Rafi Rahmat Ichsan Rahma Putri, Nadia Suci Rahmadiawan, Dieter Raju Rahmadian Ramadan, Ryan Ramadhan, Fadli Rawas, Soha Refdinal Refdinal Refdinal, Refdinal Refdinal, Refdinal Remon Lapisa Remon Lapisa Reza Vahlefi Richardo, Richardo Rifelino Rifelino Rizky Ema Wulansari Rizky Ema Wulansari Rodiah Elfianti Ronaldi Ronaldi Royhan Restu Aliafi Rozan, Alief Depa Saputra, Firman Omni Saputra, Muhammad Pandi Saski Mulyani Satrianto, Habib Indra Setiawan, Sepdirama Shi, Shih-Chen Shiddiq, Abdul Rahim Sri Rizki Putri Primandari Steven Thomas Anggriyanto Suparno Suparno Suparno Suparno Syahrial Syahrial Syahrial Syahrial Syahril Syahril Syahrul Syahrul Syaiful Islami Syawaldi Eka Syahputra Tamara, Yolanda Teki Haryono Teki Haryono Trisna Juwita, Dinda Try Yudo Margono Tze Kiong Tee Wakhinuddin Simatupang Wanda Afnison Waskito Waskito Waskito Waskito Waskito Waskito, Waskito Wella Yanmita Syahri Wifa, Iklil Wira, Aski Wulansari, Rizky Ema Wulansari, Rizky Ema Wulansari Yanda Veony Pratama Yavid Jaya Pradana Yogi Refvan Chaniago Yolli Fernanda Yufrizal A Yufrizal Yufrizal Yufrizal Yufrizal Zainal Abadi Zhuang, Wei-Ting Zonny Amanda Putra Zuanda Arief

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