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All Journal International Journal of Advances in Applied Sciences Rotasi Jurnal Kelautan : Indonesian Journal of Marine Science and Technology EMITTER International Journal of Engineering Technology INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Jurnal Teknologi Elekterika Journal of Applied Civil Engineering and Infrastructure Technology (JACEIT) The Indonesian Journal of Computer Science Advance Sustainable Science, Engineering and Technology (ASSET)
Arini, Nu Rhahida
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Automotive Engineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Transportation

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Thermal Analysis of Solar Air Heater with Ventilator Turbine and Fins Safitra, Arrad Ghani; Diana, Lohdy; Agil, Denny Muhammad; Fareza, Julfan Hafiz; Arini, Nu Rhahida
EMITTER International Journal of Engineering Technology Vol 8 No 2 (2020)
Publisher : Politeknik Elektronika Negeri Surabaya (PENS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24003/emitter.v8i2.584

Abstract

Solar air heater (SAH) is a renewable energy application for the drying process. SAH has a challenge to produce high performance under uncertain weather. The performance of SAH can be enhanced by providing the absorber plate by adding the fins. This study aims to evaluate the thermal performance of SAH with rectangular fins SAH at low air velocity. This study compares the performance of SAH without fins and SAH with rectangular fins. Two variations of a tilt angle of SAH are 0° and 30° which are observed in this study. The SAH uses a ventilator turbine to suck air into the collector box. The air velocity is 0.01 m/s. The method is experimental. The SAH is tested under real condition from 9 a.m. to 4 p.m. The measurement tools consist of a pyranometer, an anemometer, a temperature sensor in the inlet section, 3 sensors in the absorber plate, a sensor in the outlet section, 6 temperature sensors in the drying cabinet. The result showed the thermal efficiency of SAH with rectangular fins is 29.67 % higher than SAH without fins at 0˚ tilt of angle at noon. The thermal efficiency of SAH with rectangular fins is 25.26 % higher than that of without fins at 30˚ tilt of angle at noon.
Participatory Design in Developing Gamification on Introducing Renewable Energy to Teenage Students Burhan, Rifaatul Mahmudah; Rante, Hestiasari; Arini, Nu Rhahida; Hasnaoui, Abir
The Indonesian Journal of Computer Science Vol. 11 No. 1 (2022): The Indonesian Journal of Computer Science
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v10i2.3002

Abstract

The Covid-19 pandemic has had an impact on all sectors, including the world of education. Learning that has been done using traditional methods such as books has turned to virtual media such as zoom, google meet, and social media. This makes students less interested and feel bored. In addition, the current use of energy sources continues to increase which results in the depletion of energy sources. this is due to a lack of knowledge and awareness regarding renewable energy and energy sources. In this study, we used a participatory design method that involved teachers and students in collecting data that was relevant to everyday life. We also conducted interviews and asked students and teachers about their study habits and the meaning of renewable energy and their daily life related to energy, the impressions they have of attending classes, and any opinions for further improvement.This method is proven to help provide outstanding results in decision-making to build gamification applications as learning media that can attract interest and motivation to learn for students, especially junior high school students. As a result of the analysis of students' understanding and concern about renewable energy, it was analyzed as "enough" with a percentage of 57.1%. Based on the results of research and student opinions, we would like to suggest that there must be the development of learning methods or alternative media such as gamification for junior high school students.
Co-Authors Abdussalam, Muhammad Zayyana Agil, Denny Muhammad Arrad Ghani Safitra Atmojo, Philips Ade Putera Bima Sena Bayu Dewantara Burhan, Rifa'atul Mahmudah Burhan, Rifaatul Mahmudah Deni Saputra Diana, Lohdy Fareza, Julfan Hafiz Gilang Muhammad Hasnaoui, Abir Ilman, Eko Charnius Kahfi, Ahmad Khairul Novie Ayub Windarko Pratilastiarso, Joke Putra, Firdaus Fhudoli Ramadhani, Desy Rante, Hestiasari Reivanda, Reihan Rizky Saputra, Firman Yunan Satrio, Dendy Sesulihatien, Wahjoe Tjatur Setia, Siaga Whiky Sony Junianto Syahputra, Ar Rayyan Ikhsan Tan , Mingyi Teguh Hady Ariwibowo Turnock, Stephen R. Wahyu Nur Fadilah