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All Journal Foristek Jurnal MEKANIKAL Rekayasa Mesin MEKTRIK Journal of Mechanical Engineering Science and Technology Journal of Applied Engineering and Technological Science (JAETS) JTAM ROTARY Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering)
Rustan Hatib
Fakultas Teknik, Jurusan Teknik Mesin, Universitas Tadulako
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering

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ANALISIS SIMULASI PENGARUH VARIASI SUDUT DIFFUSER TERHADAP AHMED BODY DENGAN SLANT ANGLE 35" Rezki, Akbar; Anwar, Khairil; Hatib, Rustan
JTAM ROTARY Vol 5, No 1 (2023): JTAM ROTARY
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtam_rotary.v5i1.8352

Abstract

Aerodinamika dapat memberikan perubahan kecil untuk mengurangi konsumsi bahan bakar kendaraan. Modifikasi bodi kendaraan adalah salah satu metode pengurangan hambatan aerodinamika. Penelitian ini bertujuan untuk menganalisa pengaruh penambahan sudut diffuser pada sudut belakang model referensi yang disederhanakan (Ahmed Body slant angel 35°) yang digunakan untuk mewakili kendaraan tipe hatch back terhadap koefisien drag. Tiga model modifikasi alur dibuat untuk diuji pada penelitian ini dengan metode simulasi numerik menggunakan software ANSYS workbench 2020R2. Hasil penelitian ini diperoleh penurunan koefisien drag pada model 3 sebesar 3,82%. Faktor utama yang mempengaruhi penurunan koefisien drag ini adalah pemulihan tekanan dibelakang model dengan adanya penambahan diffuser.Aerodinamika dapat memberikan perubahan kecil untuk mengurangi konsumsi bahan bakar kendaraan. Modifikasi bodi kendaraan adalah salah satu metode pengurangan hambatan aerodinamika. Penelitian ini bertujuan untuk menganalisa pengaruh penambahan sudut diffuser pada sudut belakang model referensi yang disederhanakan (Ahmed Body slant angel 35°) yang digunakan untuk mewakili kendaraan tipe hatch back terhadap koefisien drag. Tiga model modifikasi alur dibuat untuk diuji pada penelitian ini dengan metode simulasi numerik menggunakan software ANSYS workbench 2020R2. Hasil penelitian ini diperoleh penurunan koefisien drag pada model 3 sebesar 3,82%. Faktor utama yang mempengaruhi penurunan koefisien drag ini adalah pemulihan tekanan dibelakang model dengan adanya penambahan diffuser.
PENGARUH RASIO PITCH TERHADAP KINERJA TURBIN ARCHIMEDES SCREW Arbianto, Rofi; Hatib, Rustan
JTAM ROTARY Vol 7, No 1 (2025): JTAM ROTARY
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jtam_rotary.v7i1.13564

Abstract

Di berbagai negara, termasuk Indonesia, masyarakat sangat membutuhkan energi listrik, baik di perkotaan maupun di pedesaan. Hal ini disebabkan oleh kegunaan energi listrik yang mendukung aktivitas sehari-hari, seperti sumber penerangan, memasak, dan berbagai manfaat lainnya. Energi air merupakan salah satu energi terbarukan yang dapat dimanfaatkan untuk menghasilkan listrik, baik dalam skala kecil maupun besar. Penelitian ini dilakukan secara eksperimental dengan memvariasikan rasio pitch turbin ulir Archimedes untuk menemukan nilai efisiensi tertinggi. Penelitian ini menggunakan variasi rasio pitch. Putaran poros maksimum terjadi pada turbin ulir dengan 484 RPM dan daya output maksimum terjadi pada turbin ulir sebesar 4.114 Watt. Torsi maksimum terjadi pada turbin ulir dengan 0,90 Nm dengan variasi debit air dari meter bendung sebesar 0,004429 m³/s. Setiap variasi rasio pitch 0,8, 1,2, 1,6 menghasilkan daya generator masing-masing sebesar 3.053 Watt, 3.555 Watt, dan 4.114 Watt. Hasil pengukuran menunjukkan bahwa tegangan terbesar diperoleh pada rasio pitch 1,6 dengan daya keluaran generator sebesar 4,114 Watt. Efisiensi terbaik terjadi pada rasio pitch 1,6 dengan nilai efisiensi 22,61% dengan variasi debit air sebesar 0,004429 m³/s. In various countries, one of which is Indonesia, people really need electrical energy, from urban to rural communities. This is because electrical energy is useful for supporting daily activities such as as a source of lighting, for cooking, and many other benefits. Water energy is a renewable energy that can be used to generate electricity on a small or large scale. This research was carried out experimentally by varying the pitch ratio of an Archimedes screw turbine to find the highest efficiency value. The research uses pitch ratio variations. The maximum shaft rotation occurs in the screw turbine at 484 RPM and the maximum output power occurs in the screw turbine at 4,114 watts. The maximum torque occurs in the screw turbine at 0.90 Nm with a variation in water discharge from the weir meter of 0.004429 m3/s. Each pitch ratio variation of 0.8, 1.2, 1.6 produces generator power of 3,053 Watts, 3,555 Watts and 4,114 Watts respectively. So the measurement results were obtained with the largest voltage at a pitch ratio of 1.6 with a generator output power of 4.114 Watts. The best efficiency occurred at a pitch ratio of 1.6 with an efficiency value of 22.61% with a water discharge variation of 0.004429 m3/s.
The Characterization of A Thermoelectric Generator Type TEC1-12706 Hybridized On 50W Polycrystalline PV Iskandar Iskandar; Arif Rahman Hakim; Mustofa Mustofa; Rustan Hatib; Yuli Asmi Rahman; Zuryati Djafar; Wahyu Haryadi Piarah
Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering) Vol 11 No 2 (2024): Jurnal Ecotipe, October 2024
Publisher : Jurusan Teknik Elektro, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jurnalecotipe.v11i2.4522

Abstract

The potential of solar energy is very large in generating electrical energy conversion using TEG and PV technology. Therefore, it is important to understand how the technology works. This study aims to characterize the electrical generation of 12 TEG modules type TEC1-12706 hybridized with 2 PV panels. One PV panel is left without a TEG module as a comparison. Meanwhile, on the cold side of the TEG attached to the PV, a heatsink with 3 fins is placed. The left and right fins are air allowed to flow naturally, while the middle fin is flowed with cold water fluid through a 0.01 m diameter water hose with 2 flow rates; 0.02 and 0.05 m / s. The results of the study showed that the fluid flow rate of 0.02 presented a better TEG performance effect than 0.05 m / s at an irradiance of 450 W/m2. Different things are shown by PV solar panels, where the power generation and efficiency are better in TEG at a flow rate of 0.05 m/s compared to 0.02 m/s for the same irradiance. Overall, the performance of PV-TEG is better at a TEG cooling fluid flow rate of 0.05 m/s.
Design of Comprehensive Monitoring on Hybrid Photovoltaic and Thermoelectric Generator Using IoT Yuli Asmi Rahman; Andi Arham Adam; Samnur Samnur; Basri Basri; Khairil Anwar; Rustan Hatib; Mustofa Mustofa
Journal of Applied Engineering and Technological Science (JAETS) Vol. 6 No. 1 (2024): Journal of Applied Engineering and Technological Science (JAETS)
Publisher : Yayasan Riset dan Pengembangan Intelektual (YRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/jaets.v6i1.5764

Abstract

The study aims to design and develop a more efficient measurement monitoring system based on influential parameters for the performance of hybrid PV and TEG modules using IoT with the Thingspeak application. The parameters measured include the PV top and bottom surface temperatures and output current and voltage, the surface temperatures of the TEG's hot and cold sides, their respective current and voltage outputs, air humidity, and solar intensity. This IoT-based monitoring system experimental method utilizes two types of PV, polycrystalline and monocrystalline, each rated at 50 Wp, in a hybrid configuration with 5 TEG modules attached to the back of the solar panel. The monitoring design results indicate that sensor measurements were accurate and data readings were reliable. The temperature difference between the two sides of the TEG was measured up to 21.7°C, and the hybrid efficiency of the monocrystalline PV with TEG showed better results compared to the polycrystalline setup, achieving optimum efficiency above 6%, with the PV surface temperature maintained at an average of 50°C. Additionally, IoT monitoring revealed the effect of air humidity on TEG performance: lower air humidity resulted in a larger ?T, peaking at 21.7°C with humidity at 39.1%. Therefore, this study recommends using IoT technology for observational data collection on system performance, particularly for PV and TEG, with sensor component modifications tailored to the characteristics of the targeted sensor object.
Co-Authors Andi Ade Larasakti Andi Arham Adam Arbianto, Rofi Arif Rahman Hakim Asrul Asrul Astak, Muh Anjas Basri Basri Denny Widhiyanuriyawan Iskandar Iskandar Khairil Anwar Khairil Anwar Leandis Leandis Mustofa Mustofa Mustofa Mustofa Mustofa Mustofa Ramang Magga Reyhan Kyai Demak, Reyhan Kyai Rezki, Akbar Samnur . Soso, Ardi Yefta Wahyu Haryadi Piarah Wardoyo Wardoyo Yuli Asmi Rahman Yuli Asmi Rahman Yusnaini Arifin Zuryati Djafar