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All Journal Biospecies Jurnal Agrista Biologi Edukasi : Jurnal Ilmiah Pendidikan Biologi Jurnal Floratek Transmisi I-ECONOMICS: A Research Journal on Islamic Economics Elkawnie BERITA BIOLOGI Jurnal Agroecotania : Publikasi Nasional Ilmu Budidaya Pertanian Building of Informatics, Technology and Science Budapest International Research in Exact Sciences (BirEx Journal) Jurnal Tika LEARNING : Jurnal Inovasi Penelitian Pendidikan dan Pembelajaran Malikussaleh Journal of Mechanical Science Technology Jurnal Armada Informatika Jurnal Natural Electronic Journal of Education, Social Economics and Technology The International Journal of Tropical Veterinary and Biomedical Research Jurnal Ilmiah Mahasiswa Pertanian WISDOM : Jurnal Pengabdian Kepada Masyarakat Wisdom Jurnal Agripet Journal of Mechanical Engineering and Fabrication
Muhammad Sayuthi
Universitas Syiah Kuala
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Journal : Journal of Mechanical Engineering and Fabrication

 1 
Analysis of coal quality as fuel for steam power plants in Langkat Regency based on the proximate test Alfath Khoir Nst; Sayuthi, Muhammad; Amani, Yasir; Habibi, Muhammad; Faisal, Faisal; Hidayat, Heindrix
Journal of Mechanical Engineering and Fabrication Vol. 2 No. 2 (2025): September
Publisher : Journal of Mechafa Engineering and Fabrication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64273/jmef.v2i2.23

Abstract

Coal quality assessment is crucial for determining its suitability as a fuel for power generation and industrial applications. Such evaluation generally involves proximate and ultimate analyses. The proximate analysis provides information on moisture, volatile matter, fixed carbon, and ash content, whereas the ultimate analysis identifies elemental composition such as carbon, hydrogen, oxygen, nitrogen, and sulfur. Geological factors, including age, temperature, and pressure during formation, strongly influence coal quality. This study aims to evaluate the effect of particle size on coal quality using grain sizes of 40 and 60 mesh, analyzed according to ASTM standard procedures. The results indicate that coal with a grain size of 40 mesh contains, on average, 22.22% moisture, 5.83% ash, 37.54% volatile matter, and 34.15% fixed carbon. In contrast, coal with a grain size of 60 mesh exhibits 20.45% moisture, 6.80% ash, 42.77% volatile matter, and 29.99% fixed carbon. These findings highlight the significant influence of particle size on the proximate characteristics of coal, which can affect its combustion behavior and potential applications in power plants and other industries
Performance test of a parabolic reflector solar cooker in the Lhokseumawe Region Faisal, Faisal; Setiawan, Adi; Sayuthi, Muhammad; Suryadi, Suryadi; Syukri, Syukri
Journal of Mechanical Engineering and Fabrication Vol. 2 No. 2 (2025): September
Publisher : Journal of Mechafa Engineering and Fabrication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64273/jmef.v2i2.27

Abstract

The utilization of solar energy as a renewable energy source is becoming increasingly important to reduce dependence on fossil fuels. One of its applications is the parabolic reflector solar cooker, which harnesses solar radiation for cooking purposes. This study aims to evaluate the performance of a solar cooker equipped with a parabolic reflector through a water heating test. The study presents an analysis of the performance of a solar cooker using a parabolic reflector collector. The solar reflector was constructed from mirror fragments arranged to form a parabolic shape with a surface area of 1.05 m². The experiment was conducted in the Lhokseumawe region, Aceh Province, Indonesia, located at coordinates 5°12’11.01’’ N and 97° E, with an altitude of 18.3 m above sea level. Performance measurements were carried out using a water heating method with a vessel containing 3.2 kg of water placed at the focal point of the reflector. The solar radiation received by the collector was reflected toward the focal point, heating the water directly. The results showed that the water temperature increased to 82.4 °C within 60 minutes, from 12:00 to 13:00 local time (WIB). The overall efficiency of the solar cooker was found to be 33.9%. These findings indicate that the parabolic reflector solar cooker has strong potential as an environmentally friendly alternative energy source suitable for application in tropical regions
Co-Authors A. Hanan A. Rumaisha Ramli A.A. Ketut Agung Cahyawan W Abdul Halim Hasugian Abdul Muzammil Abdul Rahman Adi Setiawan Agus Adria Ahmad Alwi Azhari Ahmad Nayan Alchalil Alchalil Alfath Khoir Nst Alfian Rusdy Alfian Rusdy Alfian Rusdy Alfian Rusdy Alfian Rusdy Alfian Rusdy ALFIAN RUSYDI Alfizar Alfizar Alfizar Alfizar Alfizar Alkhalidi, Muhammad Waly Anna Farisa Aprullah, Muhammad Putra Dedy Darmansyah Dewi Liana dinda arina putri Dwima Nadhila Eferoni Ndururu Fachrizal Yusmar Faisal Faisal Faisal, F Fantashir Awwal Fuqara Firdaus Firdaus Firdaus Firdaus Firdaus Firdaus Halimatussakdiah Halimatussakdiah Hardika Azmi Solin Hardika Azmi Solin HASNAH HASNAH Hasnah Hasnah Hasnah Hasnah Hasnah Hasnah Hasnah Hasnah Hasnah Hasnah Hidayat, Heindrix Husni Husni Husni Husni Husni Husni Idham Sakti Harahap Ikhwan, Irhamna Irvan Subandar Iswadi Iswadi Iswadi Iswadi Julnadi, Salsabilla Kastosuwondo, Utomo Khairun Nisa Laksono Trisnantoro Liston Siringo Ringo Lukman Hakim Marlina Marlina Mega Mahrani Nasution Muhammad Habibi Muhammad Nuzan Rizki Muhammad Rezza Fahlevi Muklis Muklis Munandar Murdani NAILA EVI AZAHRA Novi Safitri Nur Pramayudi Nura Nura Nurmasyitah Nurmasyitah Nurul Islami, Nurul Paijal Paijal Pranata, Tri Agung Purwana Satriyo Putra, M. Iqbal Adhya Rahmansyah Izratul Bait Raida Fuadi Rita Hayati Safrika Salasiah Salasiah Sapdi Sapdi SATRIYAS ILYAS Saudahrul Jannah Sinaga, Willy Musa Pernando Siti Hafsah Supia, Dede Irawan Suryadi Suryadi Syafruddin Syafruddin Syamsuddin Syamsuddin Syarkawi Syarkawi Syukri Syukri Teguh Purnomo, Teguh Teguh Santoso Teguh Santoso Teguh Santoso Teuku Athaillah TJUT CHAMZURNI Utomo Kastosuwondo Yasir Amani Zahratul Mahfuzah Zarnita Zarnita