Articles
<![CDATA[PENGARUH MODEL SUDU OVERLAP DAN HELIX PADA PROSES INISIASI PUTARAN TURBIN SAVONIUS ]]>
<![CDATA[Witono, Kris]]>;
<![CDATA[Nasir, Moh.]]>;
<![CDATA[Faizal, Elka]]>;
<![CDATA[Wicaksono, Hangga]]>;
<![CDATA[Pranoto, Bayu]]>
<![CDATA[ Otopro Vol 15, No 1 (2019) ]]>
Publisher : <![CDATA[Jurusan Teknik Mesin Universitas Negeri Surabaya ]]>
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DOI: 10.26740/otopro.v15n1.p27-31
<![CDATA[This research proposes a new model of overlap and helix blade shape. The overlap shape of the blades gives room to the air flow shortly after pounding the blades. Air flow direction is strived to be able to push the next blade so that the process of the turbine blade rotation becomes more effective. While the helix model is expected to produce a more efficient turbine rotation due to its multilevel shape. The wind speeds tested were 2 m / s, 4 m / s, and 6 m / s. Turbine speed rotation data retrieval is carried out at each additional time. The overlap blade has a greater angular velocity value of 9.4 rad / s at 2 m / s wind speed, 21.9 rad / s at 4 m / s wind speed, and 29.8 rad / s at 6 m / s wind speed.Turbines with multilevel helix blades have a higher level of stability compared to overlap blades. This is because there are two levels of turbine blades which have an angle difference of 600 which can receive more stable wind collisions. However, due to the smaller cross-sectional area of the helix blade turbine (ie 50% of the overlap blade) the effective impact area on the blade is also getting smaller. So that the energy that can be converted is also relatively smaller than the overlapping blade.]]>
<![CDATA[Pengaruh Model Sudu Overlap dan Helix pada Proses Inisiasi Putaran Turbin Savonius ]]>
<![CDATA[Witono, Kris]]>;
<![CDATA[Nasir, Moh.]]>;
<![CDATA[Faizal, Elka]]>;
<![CDATA[Wicaksono, Hangga]]>;
<![CDATA[Pranoto, Bayu]]>
<![CDATA[ Otopro Vol 15, No 1 (2019) ]]>
Publisher : <![CDATA[Jurusan Teknik Mesin Universitas Negeri Surabaya ]]>
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DOI: 10.26740/otopro.v15n1.p27-31
<![CDATA[This research proposes a new model of overlap and helix blade shape. The overlap shape of the blades gives room to the air flow shortly after pounding the blades. Air flow direction is strived to be able to push the next blade so that the process of the turbine blade rotation becomes more effective. While the helix model is expected to produce a more efficient turbine rotation due to its multilevel shape. The wind speeds tested were 2 m / s, 4 m / s, and 6 m / s. Turbine speed rotation data retrieval is carried out at each additional time. The overlap blade has a greater angular velocity value of 9.4 rad / s at 2 m / s wind speed, 21.9 rad / s at 4 m / s wind speed, and 29.8 rad / s at 6 m / s wind speed.Turbines with multilevel helix blades have a higher level of stability compared to overlap blades. This is because there are two levels of turbine blades which have an angle difference of 600 which can receive more stable wind collisions. However, due to the smaller cross-sectional area of the helix blade turbine (ie 50% of the overlap blade) the effective impact area on the blade is also getting smaller. So that the energy that can be converted is also relatively smaller than the overlapping blade.]]>
<![CDATA[The Performance Comparison of Battery Charging Using MPPT and PWM Controllers on Amorphous Solar Panel-Based E-Scooters ]]>
<![CDATA[Asrori, Asrori]]>;
<![CDATA[Adiwidodo, Satworo]]>;
<![CDATA[Faizal, Elka]]>;
<![CDATA[Martawati, Mira Esculenta]]>;
<![CDATA[Mardyansyah, AA]]>
<![CDATA[ Journal of Engineering and Scientific Research Vol. 6 No. 1 (2024) ]]>
Publisher : <![CDATA[Faculty of Engineering, Universitas Lampung Jl. Soemantri Brojonegoro No.1 Bandar Lampung, Indonesia 35141 ]]>
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DOI: 10.23960/jesr.v6i1.151
<![CDATA[Solar Panel-Based Electric Scooter (E-Scooter) is an electric vehicle in the form of a scooter that uses solar panels as a source of electrical energy for charging batteries and a BLDC motor as a wheel drive. With the development of the E-Scooter, it is necessary to know how to charge the battery. The purpose of this research is to determine the type of Solar Charge Controller (SCC) that can maximize battery charging on the E-Scooter. The research method is to compare SCC MPPT and SCC PWM. The research was conducted by monitoring the output current and voltage of the solar charger controller generated by the solar panels every 10 minutes. After that the recorded data will be stored in the monitoring device's storage memory for further processing. The results of the data that have been obtained on the e-scooter using the SCC MPPT type are capable of producing a power of 9.05 W with a current value of 0.33 A and a voltage of 27.47 V. Meanwhile, the PWM type SCC is capable of producing 8.22 W of power with a current value of 0.30 A and a voltage of 27.42 V. So that the MPPT type SCC is more economical than PWM for charging when the e-scooter is not moving. For the running conditions of the MPPT type SCC e-scooter is capable of producing 7.36 W of power with a current value of 0.27 A and a voltage of 27.26 V. Meanwhile, the PWM type SCC is capable of producing a current of 6.81 W with a value of 0.25 A and a voltage 27.24 V. So that the MPPT type SCC is more efficient than PWM for charging when the e-scooter is running.]]>
<![CDATA[The Effect of Variations of Magnetic Fields on Fuel Channels on The Efficiency of Consumption and Exhaust Emissions In Gasoline Engines ]]>
<![CDATA[Hadi Susilo, Sugeng]]>;
<![CDATA[Faizal, Elka]]>;
<![CDATA[Pebrianti, Dwi]]>
<![CDATA[ Asian Journal Science and Engineering Vol. 3 No. 2 (2024): Asian Journal Science and Engineering ]]>
Publisher : <![CDATA[CV. Creative Tugu Pena ]]>
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DOI: 10.51278/ajse.v3i2.1690
<![CDATA[Research on the "Effect of Magnetic Field Variations on Fuel Channels on the Efficiency of Consumption and Exhaust Emissions on Gasoline Engines" focus on how magnetic fields with various forces can increase the efficiency of fuel consumption and reduce exhaust gas emissions in gasoline -fueled engines. In this study, the magnetic field was applied to the fuel channel with the aim of affecting the combustion process in the engine. The strength variations of the magnetic field used are expected to optimize fuel combustion, so that fuel consumption becomes more economical and exhaust emissions, such as oxygen (O₂), carbon monoxide (CO), carbon dioxide (Co₂), and hydrocarbons (HC), can minimized. The results showed that the application of magnetic fields has the potential to have a significant impact on engine efficiency, especially at certain rotation, which can create environmental benefits with cleaner gas emissions and reduce overall fuel consumption.]]>
<![CDATA[The effect of temperature and injection time on the injection molding process on the final weight of the mini tray product ]]>
<![CDATA[Hadi Susilo, Sugeng]]>;
<![CDATA[Pebrianti, Dwi]]>;
<![CDATA[Faizal, Elka]]>
<![CDATA[ Asian Journal Science and Engineering Vol. 3 No. 1 (2024): Asian Journal Science and Engineering ]]>
Publisher : <![CDATA[CV. Creative Tugu Pena ]]>
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DOI: 10.51278/ajse.v3i1.1762
<![CDATA[Injection molding is an important process in plastic manufacturing, especially for mini tray production that requires stability and severe accuracy. Temperature and injection time affect product quality, including material distribution and possible defects. This study aims to analyze the effect of these two parameters on the final weight of the product and determine optimal arrangements to achieve consistent quality. This study uses an experimental method with independent variables in the form of temperature and injection time, as well as the dependent variable in the form of product weight. Data is collected through testing with KT-105 injection molding machine and analyzed using Minitab 19 software to test the relationship between variables statistically. The results showed that the temperature and time of injection had a significant effect on the weight of the mini tray. Anova analysis proves a strong relationship between these two parameters, with a p-value value <0.05]]>
<![CDATA[Analisis Variasi Holding Time dan Injection Temperature terhadap Penyusutan Produk Funnel Pada Cetak Plastik Injeksi ]]>
<![CDATA[Sulistyono, Sulistyono]]>;
<![CDATA[Faizal, Elka]]>;
<![CDATA[Muzaki, Mochamad]]>;
<![CDATA[Farida, Nike Nur]]>
<![CDATA[ J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Vol. 8 No. 2 (2024): J-Proteksion ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Jember ]]>
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DOI: 10.32528/jp.v8i2.1054
<![CDATA[Tingginya penggunaan produk plastik karena plastik mempunyai beberapa keunggulan seperti ringan, tahan korosi, mudah dibentuk, dan murah harganya. Kecenderungan konsumen lebih memilih menggunakan produk plastik menyebabkan produsen bersaing untuk memproduksi yang dibutuhkan konsumen. Produsen sebagai penghasil produk plastik berusaha meningkatkan kapasitas dan kualitas produksi. Tujuan penelitian adalah untuk mengetahui pengaruh parameter holding time dan injection temperature terhadap penyusutan produk funnel menggunakan material polypropylene. Dimana parameter holding time dan injection temperature berpengaruh terhadap efisiensi waktu yang berdampak pada kualitas dan kapasitas produksi. Metode untuk pengambilan data adalah eksperimen. Penelitian ini menggunakan variabel bebas holding time dan injection temperature. Variabel terikat yaitu penyusutan produk corong (funnel). Hasil penelitian dapat disimpulkan bahwa variabel bebas holding time dan injection temperature terhadap penyusutan produk funnel, yang terbaik di temperature 185 oC dan holding time 1,5 detik.]]>
<![CDATA[Pengaruh Getaran Mekanik dari Trafo Getar terhadap Kinerja Alat Penimbang Bahan Glasir ]]>
<![CDATA[Siradjuddin, Indrazno]]>;
<![CDATA[Faizal, Elka]]>;
<![CDATA[Gillang Al Azhar]]>;
<![CDATA[Aulia Nurwicaksana, Wahyu]]>;
<![CDATA[Riskitasari, Septyana]]>;
<![CDATA[Rahman Hidayat, Arief]]>;
<![CDATA[Dwi Risdhayanti, Anindya]]>
<![CDATA[ Jurnal Elektronika dan Otomasi Industri Vol. 11 No. 3 (2024): Jurnal Elkolind Vol. 11 No. 3 (September 2024) ]]>
Publisher : <![CDATA[Program Studi Teknik Elektronika Politeknik Negeri Malang ]]>
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DOI: 10.33795/elkolind.v11i3.6693
<![CDATA[Efisiensi produksi dalam industri keramik telah menjadi fokus utama dalam beberapa tahun terakhir. Salah satu tahap krusial dalam proses produksi keramik adalah pencampuran bahan glasir, yang berdampak signifikan terhadap kualitas warna dan tekstur hasil akhir keramik. Penelitian ini bertujuan untuk meningkatkan efisiensi dan akurasi dalam proses pencampuran bahan glasir di industri keramik melalui penggunaan trafo getar sebagai penggerak mekanik. Trafo getar digunakan untuk menghasilkan getaran dengan frekuensi tinggi yang membantu mendistribusikan bahan secara lebih merata, sehingga warna dan tekstur keramik menjadi lebih konsisten. Sistem pengendali yang diterapkan menggunakan dimmer untuk mengatur sudut picu yang mempengaruhi frekuensi getaran dan arus yang dialirkan ke trafo. Pengujian dilakukan dengan variasi sudut picu untuk mengukur pengaruhnya terhadap kecepatan getaran dan arus listrik. Hasil penelitian menunjukkan bahwa peningkatan sudut picu berbanding lurus dengan kenaikan frekuensi dan arus, yang berimplikasi pada variasi kecepatan getaran dari sangat lambat hingga sangat cepat. Metode ini diharapkan dapat menjadi solusi inovatif untuk meningkatkan kualitas dan efisiensi dalam produksi keramik. Dibandingkan metode manual, alat ini meningkatkan efisiensi waktu hingga 40% dan mengurangi biaya operasional sebesar 30% dalam jangka panjang.]]>
<![CDATA[Performance analysis of solar electric scooters with different charger controllers ]]>
<![CDATA[Asrori, Asrori]]>;
<![CDATA[Susilo, Sugeng Hadi]]>;
<![CDATA[Adiwidodo, Satworo]]>;
<![CDATA[Faizal, Elka]]>;
<![CDATA[Martawati, Mira Esculenta]]>;
<![CDATA[Hartono, Moh.]]>
<![CDATA[ International Journal of Advances in Applied Sciences Vol 13, No 4: December 2024 ]]>
Publisher : <![CDATA[Institute of Advanced Engineering and Science ]]>
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DOI: 10.11591/ijaas.v13.i4.pp1028-1038
<![CDATA[This study investigates the impact of solar charge controller (SCC) type on battery charging in solar-powered electric scooters (e-scooters). The research compared maximum power point tracking (MPPT) and pulse width modulation (PWM) controllers by monitoring average output power, current, and voltage every 10 minutes. Results showed that under stationary conditions, MPPT controllers delivered higher efficiency, generating 5.87 W of power compared to PWM's 5.05 W. This advantage persisted even during scooter operation, with MPPT controllers producing 4.91 W versus PWM's 4.31 W. Overall, the findings demonstrate that MPPT SCCs offer a more efficient solution for charging e-scooter batteries.]]>
<![CDATA[The Effect of Adding ZnO Nanoparticles to Radiator Coolant on Heat Transfer Performance in Motor Vehicle Cooling Systems ]]>
<![CDATA[Faizal, Elka]]>;
<![CDATA[Hadi Susilo, Sugeng]]>
<![CDATA[ Journal of Evrímata: Engineering and Physics Vol. 03 No. 02, 2025 ]]>
Publisher : <![CDATA[PT. ELSHAD TECHNOLOGY INDONESIA ]]>
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DOI: 10.70822/journalofevrmata.vi.119
<![CDATA[This study investigates the impact of adding Zinc Oxide (ZnO) nanoparticles to radiator coolant to enhance the heat transfer performance of automotive cooling systems. The research explores the optimal concentration of ZnO nanofluids and examines operational conditions such as flow rates (7-11 lpm) and fluid temperatures (60°C, 70°C, and 80°C) to determine their effect on heat transfer performance. The results demonstrate that ZnO nanoparticles significantly improve the heat transfer coefficient, with the highest performance observed at a concentration of 0.35% ZnO and a temperature of 70°C. The optimal combination of flow rate (10 lpm) and temperature (70°C) resulted in a 62.86% increase in heat transfer compared to conventional coolant. This study provides valuable insights into selecting the optimal nanofluid concentration and operational conditions for improving vehicle radiator performance.]]>
<![CDATA[Training and Installation of CCTV Security Systems at Putra Baitul Qur'an Islamic Boarding School Al-Khusyu Malang ]]>
<![CDATA[Faizal, Elka]]>;
<![CDATA[Hadi Susilo, Sugeng]]>;
<![CDATA[Agus Winoko, Yuniarto]]>;
<![CDATA[Yudiyanto, Eko]]>;
<![CDATA[Anis Roisatin, Umi]]>;
<![CDATA[Dani, Agus]]>
<![CDATA[ Journal of Community Engagement Vol. 01 No. 02, (2025) ]]>
Publisher : <![CDATA[PT. ELSHAD TECHNOLOGY INDONESIA ]]>
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DOI: 10.70822/jce.vi.93
<![CDATA[The installation and training of CCTV security systems at Pondok Pesantren Putra Baitul Qur'an Al-Khusyu Malang aimed to improve both security and the technical skills of students. The training covered the basics of CCTV technology, including installation methods, system components, and maintenance procedures, enhancing students' knowledge and preparing them for the job market. The hands-on approach proved effective, as participants were actively involved in the installation and configuration of CCTV systems. Before the training, only a small percentage of students were familiar with CCTV technology, but post-training assessments showed a significant increase in knowledge. This program not only contributed to a safer environment within the pesantren but also provided valuable technical skills that students could use in their careers or entrepreneurship. Despite challenges such as limited resources and infrastructure, the training successfully empowered the students with skills relevant to modern security needs. This initiative sets a model for other educational institutions to integrate technical training with religious education, fostering a more skilled and competitive generation]]>
