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All Journal Jurnal Energi Dan Manufaktur TEKNIK Jurnal technoscientia DINAMIKA Jurnal Ilmiah Teknik Mesin Metropilar Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Panrita Abdi - Jurnal Pengabdian pada Masyarakat Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang JURNAL TEKNOLOGI TECHNOSCIENTIA Anoa : Jurnal Pengabdian Masyarakat Sosial, Politik, Budaya, Hukum. Ekonomi Jurnal Pengabdian Masyarakat Ilmu Terapan (JPMIT) Piston: Jurnal Teknologi Jurnal Polimesin
Lukas Kano Mangalla, Lukas Kano
Universitas Halu Oleo
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Other

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Analisis Peluang Penghematan Konsumsi Energi Pada Kantor Pertanahan Kota Kendari Hamisa, Hamisa Hamisa; Mangalla, Lukas Kano; Kadir, Abd
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 4, No 1 (2019): Enthalpy-Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (322.861 KB) | DOI: 10.55679/enthalpy.v4i1.6077

Abstract

In the modern era at this time, almost all human beings in all corners of the world have been dependent on the existence of electrical energy or it can be said that almost all the activities of a human being always have a relationship with electricity. This experimental study uses 2 methods of approach, namely initial energy audits and detailed energy audits. The tools used in this, the level of activity of Kendari City Land Office employees. The results of this study indicate that the initial energy audit at the Kendari City Land Office was 186, 9834 kWh / m2 (for 1 year), this has not exceeded the ASEAN-USAID standard on an office which is 240 kWh / m2 year while a detailed energy audit, the kWh value read at the Kendari City Land Office is 34.903,125 kWh (for 1 year). The opportunity to save energy (PHE) in energy audit research is to use lighting that is in accordance with its designation, perform cleaning on each AC unit which includes cleaning the air filter, fan blades, fins, evaporator and output grid on the AC. The recommendation for PHE is to do cleaning every 3-4 months for each AC unit and optimize the use of cloth curtains for each room at the Kendari City Land Office.Keywords : Initial Energy Audit, Detailed Energy Audit, Energy Consumption Intensity.
Optimasi Parametrik Minyak Pirolisis dan Karbon Sisa Hasil Pirolisis Ban Bekas dalam Reaktor Atmosfer Inert. Mangalla, Lukas Kano; Lolok, Agustinus; Samhuddin, Samhuddin; Barata, La Ode Ahmad
Piston: Jurnal Teknologi Vol 10 No 2 (2025): Desember 2025
Publisher : Program Pendidikan Vokasi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/pistonjt.v10i2.129

Abstract

Waste tires represent a significant environmental challenge that requires sustainable solutions through conversion into energy. One of the waste treatment technologies involves a pyrolysis process that converts solid waste into liquid fuels and solid material for backfill. This study aims to optimize the process parameters for the pyrolysis of waste tires in an inert atmosphere reactor to maximize the yield and quality of liquid and solid products. Experiments were conducted by varying temperature (400, 450, 500°C) and residence time (10, 15, 20 minutes) using controlled cubic-shaped tire samples. The results indicate that the optimal operating conditions were achieved at 450°C and 15 minutes, producing a pyrolysis oil yield of 48.3% with a high calorific value of 44.6 MJ/kg, along with a solid char yield of 35.2%. he produced solid char has potential applications as a filler material in civil construction materials. Further analysis revealed significant energy conversion efficiency of the process. These findings provide a strong technical foundation for developing commercial-scale pyrolysis technology that effectively manages tire waste while producing quality alternative fuels
Effect of blade number on the performance of an H-rotor vertical axis wind turbine under low wind speed conditions Agustinus Lolok; Lukas Kano Mangalla; Bahdin Ahad Badia
Jurnal Polimesin Vol 24, No 2 (2026): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i2.8832

Abstract

Vertical Axis Wind Turbines (VAWTs) have significant potential for small-scale wind energy applications, particularly in regions with low to moderate wind speeds. One of the key design parameters influencing VAWT performance is the number of blades. This study aims to experimentally investigate the effect of blade number on the operational characteristics and aerodynamic efficiency of a laboratory-scale vertical axis wind turbine. Three turbine configurations with 2, 3, and 4 blades were tested, each with a blade height of 25 cm and installed at 45 cm above the ground. Experiments were conducted using an axial fan with a flow straightener in a laboratory setup under wind speeds of 2, 3, 4, and 5 m/s. Measured parameters included rotational speed (RPM), torque, mechanical power, Tip Speed Ratio (TSR), and power coefficient (Cp). The results indicate that the three-bladed turbine exhibits the best overall performance, achieving a maximum power coefficient of 0.37 at a wind speed of 5 m/s and a TSR of approximately 2.2. A relative efficiency analysis confirms that the three-bladed configuration offers the most favorable balance among torque generation, rotational speed, and aerodynamic losses. These findings offer valuable insights for optimizing small-scale VAWT design and enhancing wind energy utilization in low-wind-speed environments.
Co-Authors Abd Kadir, Abd Abd. Kadir Abd. Kadir Ade saputra Agustinus Lolok Agustinus Lolok Agustinus Lolok Aksar, Prinob Aljaninansya, Rusdi Ambo Upe Aminur Aminur Amrullah Andi, La Ode Anwar, Fardillah Ashbah, Ashbah Ato, La Awaluddin, Andi Bahdin Ahad Badia Budiman Sudia Budiman Sudia, Budiman Buransa, Armin Sole Darwin Darwin Darwis, Mardis Dedu, La Ode Arfan Defi, Sry DWI SURYANTO Erick Patollong Faradila, Uswatun Feliks Eldad Larobu Firsan, Muhammad Fitriah Masud Golok Jaya, La Ode Muhammad Hamisa, Hamisa Hamisa Harlan, Harlan Hasanudin, La I Made Suardjaja Idris Idris Idul, Idul Imran, Al Ichlas Jaka Seru Dwi Saputra Kadir Kadir Kaebansiha, Rajab Jandipo Kusmardin, Kusmardin La Ode Ahmad Barata La Ode Muhamad Nurrakhmad Arsyad Laode Abdul Gamsir Lolok, Agustinus Masrianto, Zulqifli Muh. Rizal Ode Muhammad Basir Mustarum Musaruddin Nuraida, Waode Nurudin, La Ode Pagiling, luther Pongbarib, Esau Irsan Putra, Bima Rangga Putra, Muhammad Idris Raden Rinova Sisworo Ramadhan, Muhammad Syahrul Randi, Heri Ridway Balaka, Ridway Romy Suryaningrat Edwin Rustam Efendi Sabilah, Laode Muhamad Zakirus Sadimantara, I Gusti R Sadimantara, Muhammad S Said, Harman Salimin Salimin, Salimin Samhuddin Samhuddin Samhuddin Samhuddin Samhuddin Samhuddin Samhuddin, Samhuddin Sarifudin sarifudin, Sarifudin Sidik, Sahril Simatupang, Minson Sudia, Budiman S Suramas, Fransiscus R Syahrir, Muhamad Ashar Taufik, Muhamad Rian Teguh Wijayanto Yulius B. Pasolon Yulius Barra Pasolon Zulkaida, Wa Ode