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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) TEKNIK JTT (Jurnal Teknologi Terpadu) Journal of Dedicators Community Energy : Jurnal Ilmiah Ilmu-Ilmu Teknik Scientific Journal of Mechanical Engineering Kinematika Jurnal Berdaya Mandiri Teknika STTKD: : Jurnal Teknik, Elektronik, Engine Journal of Mechanical Design and Testing (JMDT) Jurnal Nasional Teknik Elektro dan Teknologi Informasi Journal of Education Technology Information Social Sciences and Health Literasi: Jurnal Pengabdian Masyarakat dan Inovasi Jurnal Penelitian dan Pengabdian Masyarakat Jurnal Pengabdian Masyarakat dan Riset Pendidikan
Marausna, Gaguk
Sekolah Tinggi Teknologi Kedirgantaraan
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Kajian Unjuk Kerja Termal Susunan Kapsul Phase-Change Material Non-Tumbuk di Dalam Tangki Pemanas Air Tenaga Surya Sistem Aktif Muhammad Nadjib; Tito Hadji Agung Santosa; Gaguk Marausna
TEKNIK Vol. 43, No. 3 (2022): December 2022
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v43i3.42149

Abstract

Combination of phase-change material (PCM) and water as a heat storage medium in solar water heating tanks (SWH) has received the attention of researchers because of the high energy density of PCM. The encapsulation method is one way to place PCM in SWH's tank. This study investigates the thermal performance of installing a non-collision type capsule containing PCM in an SWH tank. The research uses an active SWH with a tank capacity of 60 liters. Paraffin wax is put into 24 cylindrical capsules; then, the capsules are installed in the tank, which forms a non-collision arrangement. Twenty pieces of thermocouples are placed both on the waterside and the PCM. The heating process uses a solar simulator for 160 minutes. The temperature data are used to analyze the SWH's thermal performance. The scenario is repeated with the same steps but using the flow spreader at the tank's inlet. The thermal performance results of the two methods are compared. The non-collision arrangement has unsatisfactory thermal performance. Adding a flow spreader increases the cumulative heat storage and collection efficiency by 46.78% and 49.52%, respectively.
Eksperimen Heat Transfer pada Minichannel Baterai Pesawat Listrik dengan Fluida Etilen Glikol-Air Dhawysulthan M A; Gaguk Marausna; Farid Jayadi; Eric Leonardo Sitepu; Muhamad Bayu Adi Kusuma
Energy - Jurnal Ilmiah Ilmu-Ilmu Teknik Vol 12 No 2 (2022): Jurnal Energy Vol. 12 No. 2 November 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51747/energy.v12i2.1169

Abstract

The aviation industry has changed the mass and private transportation industry, thus making aircraft more and more varied, this type of air transportation has a very high adverse effect on the atmosphere because of its very high fuel consumption and emitting so many pollutants that aircraft for the future will lead to There are 2 types of aircraft, namely Hybrid-Electric Aircraft and All-Electric Aircraft. Both have the same electric power drive, but there are weaknesses in this transportation. Namely on the battery used. The method used is the experimental method. While this type of research uses an electric aircraft battery prototype where the temperature of the working fluid will be measured with a thermocouple 1 (T1) and flowed by a pump from tank 1 to the minichannel in the battery pack. For the battery, the temperature will be measured by thermocouple 2 (T2), thermocouple 3 (T3), and thermocouple 4 (T4) then the working fluid from the minichannel will be flowed into tank 2 where the temperature will be measured using thermocouple 5 (T5). The results obtained in this study are the use of working fluid 75% Ethylene Glycol – 25% Water is better than 75% Water – 25% Ethylene Glycol in terms of pressure drop, temperature value, and heat transfer convection itself. Meanwhile, for the working fluid flow velocity and Reynolds Number, the working fluid is 75% Ethylene Glycol – 25% Water better than 75% Water – 25% Ethylene Glycol.
The use of wavy vortex generators in the cooling system to reduce the photovoltaic temperature rise Gaguk Marausna; Erwan Eko Prasetiyo; Ferry Setiawan
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 14, No 2: June 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v14.i2.pp1210-1217

Abstract

A solar panel will be exposed to sunlight when in use, which causes its temperature to increase. The performance of power production will be impacted if the solar panel's temperature conditions are too hot. High-temperature solar panels can reduce the amount of electrical energy generated. To prevent the temperature of the solar panels from rising too much, a cooling system is required. The proposed solution of this research is a cooling system for solar panels that makes use of heat transfer through water. The solar panels tested in this study have a tilt angle of 20 degrees. The cooling device has dimensions of 400 mm length, 278 mm width, and 20 mm height, with a wavy-type vortex generator positioned in the cooling device mounted on the underside of the solar panel. As a result of the heat flux applied to the top surface of the solar panel, it causes an increase in temperature. The resulting voltage and electric current are reduced. Computational simulations were carried out to determine the performance of the type of vortex generator used. At a cooling water flow rate of 200–600 ml/min, heat transfer with a vortex generator type B works optimally.
RANCANGAN SISTEM PENDINGIN PANEL SURYA JENIS BOX DENGAN ARAH ALIRAN HORIZONTAL Azhar Jatmiko; Gaguk Marausna; Ferry Setiawan
Teknika STTKD: : Jurnal Teknik, Elektronik, Engine Vol 9 No 1 (2023): TEKNIKA STTKD: JURNAL TEKNIK, ELEKTRONIK, ENGINE
Publisher : Sekolah Tinggi Teknologi Kedirgantaraan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56521/teknika.v9i1.625

Abstract

Based on its geographical location, Indonesia has the potential to use solar energy as a future energy source, considering that Indonesia is located on the equator, which means that Indonesia is always exposed to the sun throughout the year. One of the obstacles in the application of solar power plants is the low efficiency of solar panels and constraints in their storage so that they can be used at night. Seeing the effectiveness of a solar panel working at a temperature of approximately 25˚ C, the solar panel requires cooling by flowing water on the bottom surface to be more efficient. In this study, a solar panel cooling system was made by providing variations in the flow direction of the water medium used. So that it will be known the effect of the cooling system that has been made, starting with the design and installation scheme until testing is carried out to obtain the required variable data. The results obtained in this study were tested for 40 minutes with a time span of every 2 minutes, the temperature of the fluid used in the cooling system was stable, the temperature test increased. In the solar control test, the electricity produced always decreases, in the volt meter test the voltage produced has decreased and the electric current has decreased significantly, the temperature of the solar panel has increased quite high. Therefore, the results of using a device in the form of a solar panel cooling system can be concluded that it is able to slightly reduce the heat on the solar panel but still requires further study.
PERBANDINGAN ANALISIS KESTABILAN STATIK UAV MENIRU CESSNA 172 DENGAN DAN TANPA SAYAP MORPHING MENGGUNAKAN PERANGKAT LUNAK XFLR5 Mizan Fadhilah; Gaguk Marausna; Reo Yudhono
Teknika STTKD: : Jurnal Teknik, Elektronik, Engine Vol 9 No 1 (2023): TEKNIKA STTKD: JURNAL TEKNIK, ELEKTRONIK, ENGINE
Publisher : Sekolah Tinggi Teknologi Kedirgantaraan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56521/teknika.v9i1.753

Abstract

Pada saat ini UAV (Unmanned Aerial Vehicle) sedang mengalami perkembangan yang begitu pesat di dalam maupun luar negeri, terdapat berbagai macam jenis UAV, namun pada artikel ini penulis membahas UAV untuk misi trainer bagi para pengguna pemula, karena untuk keperluan misi trainer maka analisis kestabilan statik perlu dilakukan agar ketika UAV saat sedang terbang kemudian mendapat gangguan luar berupa angin dan sebagainya, maka UAV tersebut dapat kembali ke posisi kesetimbangan awal setelah gangguan tersebut hilang, sehingga meringankan beban pilot untuk mengandalikan kemudi melalui remote control, pada penelitian ini menggunakan metode reverse engineering yaitu pemodelan ulang UAV meniru Cessna 172 yang sudah ada untuk dimodelkan pada perangkat lunak XFLR5 kemudian dilakukan analisis kestabilan statik, didapatkan hasil grafik sebesar -0,0157 pada matra longitudinal, -0,001 pada matra lateral dan 0,0017 pada matra directional, sedangkan jika dibandingkan dengan menerapkan konsep sayap morphing yaitu jenis sayap yang elastis pada bagian trailing edgenya, diperoleh hasil yang sangat signifikan pada matra longitudinal yaitu sebesar -0,0136 sedangkan pada matra lateral dan directional cenderung saling berhimpit, perbedaan yang sangat signifikan yang terjadi pada matra longitudinal tersebut dipengaruhi berat UAV dengan konsep sayap morphing yang memiliki massa yang lebih berat 422 gram sehingga mempengaruhi posisi center of gravity yang akan bergeser kebelang sebesar 3,4 mm, sehingga sehingga dapat mempengaruhi kestabilan UAV tersebut pada matra longitudinal, dengan hasil tersebut maka dapat disimpulkan bahwa UAV tanpa menggunakan konsep sayap morphing lebih stabil statik setelah dilakukan analisis pada perangkat lunak Xflr5.
PENGARUH VARIASI SUHU TERHADAP KEKUATAN MEKANIKA PADA ALUMUNIUM 7075-T6 DENGAN METODE ELEKTROPLATING Hardinus Apriantoni; Gaguk Marausna; Ferry Setiawan
Teknika STTKD: : Jurnal Teknik, Elektronik, Engine Vol 9 No 1 (2023): TEKNIKA STTKD: JURNAL TEKNIK, ELEKTRONIK, ENGINE
Publisher : Sekolah Tinggi Teknologi Kedirgantaraan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56521/teknika.v9i1.779

Abstract

Aluminum alloy 7075 series is one that is widely used in the aviation industry. More than 73% of aircraft components are aluminum alloy 7075 series because the properties of this aluminum can still be improved by giving it a treatment. The purpose of this study was to determine the effect of differences in nickel coating types on 7075-T6 aluminum plates on the level of hardness.aluminum plates with a length of 2 cm and a width of 2 cm as many as each variation of 4 specimens. temperature variations of 30 °C, 35 °C, 40 °C, 45 °C and time of 5, 10, 15, 20 minutes. The hardness value is obtained using a brinell test device, using a diamond pyramid indenter used for vickers hardness tests. The test object is pressed for 5 seconds with a load of 31.25 kgf and a magnification of 5 times. Hardness testing is carried out at 1 point of the surface of the specimen. Based on the results of research and calculations and discussions about the effect of temperature variations on the strength of mechanics by the electroplating method, it is known that the difference in time and temperature variations on the hardness of aluminum 7075-T6 shows an influence on the value of significant hardness. And the optimal variation value was obtained, namely the highest hardness value at a temperature of 45 ° C at a time of 5 minutes, namely 483.63 kgf / mm² and the lowest average hardness value at a temperature of 30 ° C at a 15-minute immersion time of 292.33 kgf / mm².
ANALISA PERFORMA HEAT EXCHANGER DENGAN PENAMBAHAN VORTEX GENERATOR TIPE DELTA WING DAN DELTA WINGLET TAPE INSERT GUNA MENGATASI ICING PADA KARBURATOR PISTON ENGINE A. R. Ramadhan; Gaguk Marausna; Farid Jayadi
Teknika STTKD: : Jurnal Teknik, Elektronik, Engine Vol 9 No 1 (2023): TEKNIKA STTKD: JURNAL TEKNIK, ELEKTRONIK, ENGINE
Publisher : Sekolah Tinggi Teknologi Kedirgantaraan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56521/teknika.v9i1.885

Abstract

The simple simulation tool of the heat exchanger has a limitation, that is, when the heat transfer process cannot be analyzed directly, and the flow motion cannot be observed. Therefore it can be solved by the CFD method. The purpose of this study is to provide observable visual images. In this simulation, it uses a tube given a vortex generator with delta variations adding angles, each of which is given a constant inlet velocity, inlet temperature, and heatflux input values. Each angle is given a value of 200, 400, 600. This study aims to obtain a vortex generator with the best angular variation. From the research that has been carried out, it shows that the addition of delta provides a difference in the results of each specimen tested, the addition of a delta winglet with the addition of an angle of 400 is produced to have the best heat transfer coefficient, it is shown at a low temperature difference (ΔT). Analysis of the results of a low temperature difference (ΔT) means that the specimen performed good heat transfer performance.
PEMANFAATAN INTENSITAS CAHAYA PADA PANEL SURYA 200 WP UNTUK PEMBANGKIT LISTRIK Yosua, Yosua Karunia; Eko Prasetiyo, Erwan; Marausna, Gaguk
Teknika STTKD: : Jurnal Teknik, Elektronik, Engine Vol 8 No 1 (2022): Vol 8 No 1 (2022): TEKNIKA STTKD: JURNAL TEKNIK, ELEKTRONIK, ENGINE
Publisher : Sekolah Tinggi Teknologi Kedirgantaraan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (791.099 KB) | DOI: 10.56521/teknika.v8i1.429

Abstract

ada perkembangan dunia saat ini energi listrik merupakan salah satu hal yang sangat dibutuhkan di seluruh belahan dunia, karena energi listrik sendiri sudah menjadi salah satu aspek penting bagi seluruh manusia. Indonesia merupakan negara yang terletak di tengah-tengah, antara bagian utara dan bagian selatan, itu menandakan indonesia merupakan negara yang teletak di wilayah aktuator yang mempunyai cuaca relatif cerah. Pada penelitian ini memiliki sebuah tujuan yaitu untuk mendapatkan pengaruh intensitas cahaya terhadap hasil daya yang didapat. Metode penelitian yang dilakukan adalah dengan cara mengukur intensitas cahaya menggunakan solar power meter, tegangan (volt), arus (ampere) yang keluar dari panel surya 200 Wp, dan daya (watt) yang di hasilkan. Panel surya yang dipakai pada penelitian ini menggunakan 2 buah panel surya yang masing-masing berkapasitas 100 Wp, Waktu pengambilan data ini dimulai dari jam 08.00 – 16.00 sore dan pengambilan data setiap 30 menit sekali. Hasil dari pengujian keempat variabel yang telah diuji meliputi intensitas cahaya, tegangan, arus dan daya menunjukkan bahwa intensitas cahaya matahari sangat mempengaruhi hasil dari panel surya pada arus, tegangan dan daya. Hasil pengujian dari panel surya 200 Wp terhadap intensitas cahaya matahari bahwa intensitas cahaya 922,4 lux menmenghasilkan tegangan sebesar 20,5 volt dan arus sebesar 0,4 ampere dan daya sebesar 8,2 watt. Pada intensitas cahaya 821,5 lux menghasilkan tegangan 20,4 volt dan arus sebesar 0,3 ampere dan daya sebesar 6,12 watt. Artinya bahwa semakin besar intensitas cahaya yang diterima oleh panel surya maka akan semakin besar pula arus, tegangan dan daya yang dihasilkan
PENERAPAN TEKNOLOGI PEMBANGKIT LISTRIK TENAGA SURYA SEBAGAI SUMBER LISTRIK CADANGAN DI PONDOK PESANTREN HIDAYATULLAH YOGYAKARTA Marausna, Gaguk; Wahyu Murdiyanto, Aris; Rizki Putra, Ikbal; Eko Prasetiyo, Erwan; Yulianto Prabowo, Fajar
Jurnal Berdaya Mandiri Vol. 6 No. 3 (2024): JURNAL BERDAYA MANDIRI (JBM)
Publisher : Universitas PGRI Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31316/jbm.v6i3.7119

Abstract

The application of solar power plant technology as a backup power source at Hidayatullah Islamic Boarding School, Yogyakarta, aims to address the challenges caused by disrupted electricity supply. This Islamic boarding school has a strategic location due to its close access to the city center of Yogyakarta. The school relies on electricity for its educational and worship activities. A study was conducted to assess the potential of solar energy, geographical conditions, and the readiness of Hidayatullah Islamic Boarding School to adopt renewable energy technology. After the assessment, structured implementation activities, such as awareness socialization, training, and direct assistance, were carried out to ensure the management of the solar power system by the school administration. The results of the Community Service program showed that a solar power system had successfully been implemented to address disruptions during power outages, thereby improving worship and educational activities. This program encourages partner involvement and environmental awareness among the school management and students. Recommendations for ensuring the program’s sustainability include training, routine performance evaluations, and potential partnerships with government and private organizations to promote the use of renewable energy. This successful program is expected to serve as a model for other educational institutions seeking to implement renewable energy technology. Keyword: energy, solar, power plant, backup, community service.
Pendampingan Pemanfaatan Sarana Pemasaran Digital di Desa Banjarsari Kapanewon Samigaluh Kulon Progo Marausna, Gaguk; Putra, Ikbal Rizki; Bukhori, Muhammad Luqman; Rachmawati, Desiana; Susastriawan, Anak Agung Putu; Rahayu, Suparni Setyowati; Mulyaningsih, Sri
Jurnal Penelitian dan Pengabdian Masyarakat Vol. 3 No. 1 (2025): February 2025
Publisher : Yayasan Pondok Pesantren Sunan Bonang Tuban

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61231/jp2m.v3i1.339

Abstract

Banjarsari Village has several advantages that can be used as a tourist destination. Assistance activities aim to make this tourism potential is better known to the public, it will allow the growth of tourists so that it can increase income. This community service program was carried out in November 2023 through identifying problems, designing solutions and implementing solutions in the form of outreach and training in managing websites and social media. The social media recommended for use as marketing media are Tiktok, Instagram and Youtube. This activity encourages the people of Banjarsari Village to be more familiar with digital media so they can manage social media and websites with interesting content to promote tourism in Banjarsari Village. Participants know the function and use of websites and social media as digital marketing tools regarding Banjarsari Village tourism. Marketing MSME products via social media can increase partner sales by 41.67% for average sales per week.
Co-Authors A. R. Ramadhan A.R. Ramadhan Adam, Muhammad Kevin Agung Putu Susastriawan, Anak Ahmad Hanafi Almayanti Susillia Ningrum Arifin Rasyadi Soemaryanto Aris Wahyu Murdiyanto Astyra Rombe Azhar Jatmiko Bryan Adi Nugraha Danang Prasetyo Dhawysulthan M A Dhawysulthan M A Dimas Wahyu Nugroho E L Sitepu Eric Leonardo Sitepu Eric Leonardo Sitepu Errisonia, Arfie Armelia Fahmi Anwar Fahriza Maulana Fahriza Maulana Farid Jayadi Ferry Setiawan Ferry Setiawan Ferry Setiawan Fx Krismonanda Paskah Bayu Prasetyo G.D.A. Larasati Galang Rivky Putra Ganjar Andaka Geraldina Dyah Ayu Larasati Gilang Argya Dyaksa Hardinus Apriantoni Haris Ardianto Haris Ardianto, Haris Hariyanto, Satriawan Dini Hery Setiawan, Hery Imam Putra Nurhakim Imama Intan, Haqqah Risath Mas Jayadi, Arid Jeremi Dwuiki Fajar Laksono Joko Waluyo Joni Kasmara Joni Kasmara Lucia Rahayu Geroda M.T.A. Fadli Mahesa, Ll. Aghyl Anugerah Mizan Fadhilah Moh Imam Assyafiq Syahputra Muhamad Bayu Adi Kusuma Muhamad Bayu Adi Kusuma Muhammad Bayu Adi Kusuma Muhammad Luqman Bukhori Muhammad Nadjib Muhammad Nadjib MUHAMMAD SHOLEH Muhammad Tri Anjas Aji Lumintar Mulyaningsih, Sri Nurimansyah, Ali Prabowo, Fajar Yulianto Prasetiyo, Erwan Eko Priyambodo, Sigit Putra, Brian Teo Putra, Ikbal Rizki Rachmawati, Desiana Reo Yudhono Reo Yudhono Rivaldy Purwanto Rizka Rasmi Dewantika Rahmiullah Sabas Damanik Sehono Setyowati Rahayu, Suparni Sonya Widyawati Putri Stefanus Fendy Pradana Suparni Setyowati Rahayu Surya Rizki Susastriawan, Anak Agung Putu Syafrina Sekar Kusumaningrum Tito Hadji Agung Santosa V.A. Victoria Veronica Adina Victori Widyanto, Dwi Winda Partini Yosua, Yosua Karunia Yulianto Prabowo, Fajar Zennul Mubarrok, Zennul Mubarrok