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All Journal VANOS Journal of Mechanical Engineering Education JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY Jurnal Teknik Mesin Indonesia Jurnal ComunitA Servizio
Medyawanti Pane
Universitas Kristen Indonesia
Aerospace Engineering Humanities Automotive Engineering Control & Systems Engineering Education Energy Industrial & Manufacturing Engineering Library & Information Science Mechanical Engineering Nursing Social Sciences

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Wing Simulation Using Naca 2412 and 2415 Airfoils with Variations in Angle of Attack for Lift and Drag Medyawanti Pane
VANOS Journal of Mechanical Engineering Education Vol 8, No 2 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v8i2.22321

Abstract

The geometry of an airfoil plays a critical role in shaping an aircraft's performance, especially during maneuvering. This study emphasizes the necessity of conducting a comprehensive geometric analysis to better understand the effects of airfoil design. In pursuit of optimizing airfoil performance, we conducted extensive tests on NACA 2412 and 2415 series airfoil geometries using the ANSYS Fluent software. The tests employed Aluminum Alloy 1067 material and a wind speed of 300 m/s, encompassing a range of angle of attack variations from 0 to 180 degrees. The simulation results provided valuable insights into the velocity and pressure distributions surrounding the airfoil. Of particular interest, at an angle of 15 degrees, the NACA 2412 airfoil exhibited a maximum drag force of 69.670 N and a maximum lift force of 550.300 N. The corresponding drag and lift coefficients were 0,1516378 N and 1,1977364 N. For the NACA 2415 airfoil, the maximum drag and lift forces were 71.470 N and 564.500 N, respectively, with corresponding drag and lift coefficients of 0,1541963 N and 1,2179072 N.
Utilization of Solar Power Plants to Drive Organic Waste Shredding and Grinding Machines Rahmad Samosir; Bambang Widodo; Budiarto Budiarto; Manogari Sianturi; Medyawanti Pane
VANOS Journal of Mechanical Engineering Education Vol 9, No 1 (2024)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v9i1.25014

Abstract

Solar power plants continues to experience good development and even PLTS can be used to overcome environmental problems, so this research aims to utilize renewable energy as a driving force for waste processing machines by designing organic waste chopping and grinding equipment. The specified motor power is 2 HP or 1.5 kW with 275 rpm, so the number of panels required is 12 pieces which are converted into AC from DC by the inverter. Based on power and rotation, the torque calculation results obtained are 2760 kg cm, the shaft diameter is 18.86 mm, the belt type is type A with a top belt width of 12.5 mm and a thickness of 8 mm, and transverse pegs with a width of 8 mm, a thickness of 7 mm. and 40 mm long based on ISO 2292 (according to pulley hub thickness). Based on the calculations and transmission design, a waste processing tool was built and then tested. From the tests, it was found that the power produced by PLTS was 1.5583 kW at 2239 Lux light to chop up 2 kg of organic waste. 
Comparative CFD Analysis of NACA 0012 and NACA 4415 Airfoils at Varying Angles of Attack on Aircraft Wings Using ANSYS Fluent Medyawanti Pane
VANOS Journal of Mechanical Engineering Education Vol 10, No 1 (2025)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v10i1.31929

Abstract

During takeoff and approach to land, all aircraft move at low speed and high lift so that the wing is one of the main components of an airplane that has the basic function of being able to produce good aerodynamic performance characteristics so that objects can be lifted and maintain their position in the sky. In this study, an airfoil geometry with the NACA 0012 and NACA 4415 series was tested using ANSYS Fluent software at a speed of 200 m/s. To obtain maximum performance in this geometry, a variation of the angle of attack from 0° to 20°, was given so that the lift and drag force were obtained from each angle of attack. From the simulation and calculation results, the highest lift coefficient and drag coefficient in the NACA 0012 Airfoil simulation are at an angle of attack of 20°, is 0.5106 and 0.07829. Meanwhile, in the NACA 4415 Airfoil simulation, the highest lift coefficient is at an angle of attack of 20°, is 0.64623 and 0.08238.
Optimal Design of Gorlov Turbine Using Computational Fluid Dynamics and Taguchi Method Medyawanti Pane; Riswanton Saragih
VANOS Journal of Mechanical Engineering Education Vol 9, No 1 (2024)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v9i1.24496

Abstract

Wind energy for electricity generation presents a promising alternative to fossil fuels, driving the development of renewable energy technologies. Computational Fluid Dynamics (CFD) stands out as a powerful tool in this domain. This study focuses on optimizing the design of Gorlov turbines through a combination of CFD simulations and the Taguchi method. The research identifies four key factors influencing turbine performance: twist angle, chord length, number of blades, and aspect ratio. These factors are systematically varied using an orthogonal array, resulting in nine distinct blade configurations. Subsequently, simulations are conducted using ANSYS Fluent software under transient conditions at a wind speed of 5 m/s. Simulation results reveal that the maximum angular velocity achieved is 29.8187 deg/s, accompanied by a torque of 0.426 Nm, leading to a calculated maximum power output of 12.73 Watts. Furthermore, Taguchi analysis and ANOVA are employed to assess the significance of each factor. The analysis highlights the aspect ratio as the most influential factor, accounting for 99.7% of the observed variation. This study underscores the potential of CFD and the Taguchi method in optimizing wind turbine design for enhanced performance. The findings emphasize the critical role of the aspect ratio in determining turbine efficiency, paving the way for more efficient renewable energy generation.
Sosialisasi Pemanfaatan Molding Lilin Aromaterapi Karakter sebagai Stimulator Kegiatan Berwirausaha Anak Berkebutuhan Khusus di SLB B-C Bina Karya Insani, Pondok Bambu, Jakarta Timur Nelius Harefa; Medyawanti Pane; Jendri Mamangkey; Zefanya Sipahelut; Ivan Julius Rajagukguk; Santhya Anaomi Tamansa; Ripaldo Sihombing; Tesalonika Febriani Zebua
JURNAL Comunità Servizio : Jurnal Terkait Kegiatan Pengabdian kepada Masyarakat, terkhusus bidang Teknologi, Kewirausahaan dan Sosial Kemasyarakatan Vol. 6 No. 2 (2024): OKTOBER
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM), Univesitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/cs.v6i2.6258

Abstract

The socialization activity of the use of character aromatherapy candle molding is intended as an effort to stimulate the entrepreneurial activities of ABK in the context of providing options for economically valuable products that can be marketed on digital platforms. The participants of the activity numbered 25 people consisting of 17 ABK students, 8 educators and education personnel, which was carried out at SLB B-C Bina Karya Insani, Pondok Bambu, East Jakarta. The form of activity is in the form of socialization of the essence of entrepreneurship and socialization of the use of character aromatherapy candle molding in the context of producing specific products that have economic value and are worthy of being marketed on digital platforms. In the socialization process, random interviews were conducted with participants regarding their responses to the essence of entrepreneurial activities and the contribution of character aromatherapy candle molding. Based on the interview data, 61.11% of ABK students think that entrepreneurial activities are very important activities for them to do. 77.78% of ABK students think that the product is very suitable to be used as one of the product options that can be marketed on digital platforms, while 100% of educators and education personnel think that character aromatherapy candles are very suitable to be used as one of the entrepreneurial products that can be marketed on digital platforms. In the context of optimizing the use of molding, structured and continuous socialization and training are needed so that the contribution of molding can be increased.
Co-Authors Abdi Usia Siahaan Amos Amos Andreas Antonius, Dikky Bambang Widodo Berlianto Daud Immanuel Billy Christian Wendo Dwisanda Budiarto Edward Baringin Oloan Sihite Frengky Elyes Ivan Julius Rajagukguk Jendri Mamangkey Joko Herman Lumbantoruan Kimar Turnip Lionardo Lionardo Manogari Sianturi Melya Dyanasari Sebayang Nelius Harefa Rahmad Samosir Rio Parluhutan Ripaldo Sihombing Riswanton Saragih Santhya Anaomi Tamansa Sesmaro Max Yuda Stepanus Stepanus Tesalonika Febriani Zebua Zefanya Sipahelut