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All Journal Jurnal MEKANIKAL Jurnal Pembangunan Wilayah dan Kota PROtek : Jurnal Ilmiah Teknik Elektro Jurnal Teknologi Terapan EPI International Journal of Engineering
Zuryati Djafar
Universitas Hasanudin
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Mechanical Engineering

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Journal : PROtek : Jurnal Ilmiah Teknik Elektro

 1 
Correlation of Sunlight Intensity and Output Voltage on Collector Plate-based Cascaded Thermoelectric Generator Modules Djafar, Zuryati; Halim, Abdul; Mustofa, Mustofa; Latif, Lita Asyriati; Piarah, Wahyu Haryadi
PROtek : Jurnal Ilmiah Teknik Elektro Vol 10, No 3 (2023): Protek : Jurnal Ilmiah Teknik Elektro
Publisher : Program Studi Teknik Elektro Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/protk.v10i3.6375

Abstract

The intensity of solar energy is an important factor in viewing the performance of the thermoelectric generator (TEG). Most studies only look at the effect of treatment on the TEG module in the form of cooling mode and its materials. Therefore this study examines the effect of the solar intensity value on the magnitude of the module voltage. On the hot side of the module are placed heat absorber plates of copper, Fe and aluminum plates as well as non collector plates. Modules are cascaded and connected in series as many as 14 modules per plate, so that a total of 56 TEG modules are used. Data collection is carried out simultaneously on all plates. The test results show that the increase in solar intensity is liner with the magnitude of the TEG module voltage or in other words the correlation is positive. The data also shows that copper collector plates produce the highest voltage difference, followed by Ferro, Alumina and no-plates at ∆V 0.871, 0.805; 0.369 and 0.153 V, respectively
The Performance of Clay-based Biomass Briquette Stove with Three Geometry Shape Variations Suluh, Sallolo; Yusuf, Mohammad; Fauzi, Muhammad Irsyad; Amaliyah, Novriany; Djafar, Zuryati; Piarah, Wahyu Haryadi
PROtek : Jurnal Ilmiah Teknik Elektro Vol 10, No 2 (2023): Protek : Jurnal Ilmiah Teknik Elektro
Publisher : Program Studi Teknik Elektro Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/protk.v10i2.5845

Abstract

Biomass briquette stove is a cooking tool that is still widely used by the people of the interior of South Sulawesi. Even in urban areas, it is not uncommon to find their use because of the ease of obtaining briquettes and its relatively good efficiency. This study aims to determine the best performance of a biomass stove from three types of clay material stove shapes in different configurations of geothermal variations. The three variations of the geometric shape of the stove are cylindrical, rectangular and hexagonal using biomass material from coconut shell charcoal in the shape of a honeycomb with an inner diameter of 15 mm and an outer diameter of 65 mm and a height of 45 mm. The uniqueness of this stove is the addition of a sleeve diameter of 180mm in the stove's combustion chamber as heat insulation so that the combustion process in the combustion chamber can be more perfect. The test results show that the presence of a flat surface on the stove wall will accelerate heat loss compared to the cylindrical surface. This is in line with the results which show that the highest rate of heat loss occurs in a rectangular shape, then a six-square shape, and the last is a cylindrical shape. Furthermore, it can be concluded that the cylindrical stove is the superior of the two in terms of flame temperature, ability to boil water and thermal efficiency of 798°C, 30 liters and 73.66%, respectively.
Co-Authors A Halim A.A. Ketut Agung Cahyawan W Abduh, Jayanti Mandasari Andi Munawarah Alfasya, Rifat Amrullah Amrullah Andi Mangkau Anjar Asmara Arifin, Mimi Asril Mallombasang Aziz, Nasruddin Dian Kusumawati Fauzi, Muhammad Irsyad Hariyanto Hariyanto Lakatupa, Gafar Latif, Lita Asyriati Mohammad Yusuf, Mohammad Mushar, Pratiwi Mustofa Mustofa Mustofa Mustofa Nasaruddin Azis Novriany Amaliyah Piarah, Wahyu Haryadi Suluh, Sallolo Wahyu H. Piarah Wiwik Wahidah Osman Yuli Asmi Rahman Zahirah, Andi Nada Zulkifli Djafar