Penerbit: Department of Physics, Faculty of Mathematics and Natural Science, University of Lampung
P-ISSN: 2747-2043
E-ISSN: 2747-299X
DOI: 10.23960/jemit
Fakultas Matematika dan Ilmu Pengetahuan Alam Fisika dan Astronomi Arsitektur
Artikel (116)
Initial Study of Intrusion on The Serambi Nusantara Coast Using Geoelectrical Methods
Delianti, Delianti, Choerullah, Andy , Muslim, Anis Aulia
The Serambi Nusantara area, based on geological conditions, has alluvial formations with sand that almost dominates, interspersed with clay rock throughout the location with swamp conditions in most parts of the area. Morphologically, Serambi Nusantara is a coastal area. Most of the population in th...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 2 (2025): Journal of Energy, Material, and Instrumentation Technology; 66-70 | 2025
Utilization of the Hall Effect to Detect Leakage Current in DC System Branch Loads Using the Positive-Negative Current Difference Method
Kamal, Ahmad ilham, Dona, Nur Rahma
Currently, many industries use DC power as a power supply for controller equipment, etc. All companies want their DC system to be reliable. One effort to maintain the reliability of the DC system is to monitor the leakage current in each branch of the DC system load. Leakage currents that occur if n...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 2 (2025): Journal of Energy, Material, and Instrumentation Technology; 60-65 | 2025
Overpotential Analysis of High-Voltage Seawater Battery Using Silver-Coated Copper Cathode Based on the Butler-Volmer Equation
Pauzi, Gurum Ahmad, Rianita Baiti, Supriyanto, Amir
The overpotential characteristics of a high-voltage seawater battery system were systematically analyzed, employing a silver-coated copper cathode and a zinc anode. This study evaluated the system's electrochemical performance using a quantitative approach based on the Butler-Volmer equation. The ex...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 2 (2025): Journal of Energy, Material, and Instrumentation Technology; 90-96 | 2025
Manufacture of Nanocellulose from Red Onion Peel Waste Using Acid Hydrolysis Method with Variation of H2SO4 Concentration
Shabrina, Shabrina Yakosati, Manurung, Posman, Suciyati, Sri Wahyu
The manufacture of nanocellulose from red onion peel waste has been carried out using the acid hydrolysis method using H2SO4. This study aims to determine the effect of variations in the concentration of H2SO4 on the size of nanocellulose crystallites from onion peels and the surface morphology of n...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 2 (2025): Journal of Energy, Material, and Instrumentation Technology; 54-59 | 2025
Sand Deposit Control Strategy on Centrifugal Pump Type Overhung 4 Size 4x11 Using API 682 Piping Plan 13
Malik, Miftahul Fahrizal Nur, Hidayati, Noor, kamal, Dianta Mustofa
Centrifugal pumps type Overhung 4 size 4x11 often experience sand deposits and erosion problems, especially in the oil and gas industry, resulting in reduced productivity and increased repair costs. This study evaluates the application of the Piping Plan 13 API 682 as a solution to this problem. The...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 1 (2025): Journal of Energy, Material, and Instrumentation Technology; 39-46 | 2025
Differential and Cumulative Particle Size Distribution Analysis using Home Made Sieving Equipment
Putri, Runita Rizkiyanti, Pradana, Johannes Aria, Kurniawan, Matthew Darrell
Particulate solids remain the most commonly used materials in the industry due to their characteristics, such as stability, purity, and ease of transportation. Particle size is one of the physical characteristics of a particulate solid that may affect its chemical characteristics. Hence, understandi...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 1 (2025): Journal of Energy, Material, and Instrumentation Technology; 29-38 | 2025
Design of Single Axis Solar Tracker Using Fresnel Lens Based on Internet of Things (IoT) For Optimizing Solar Cell Output Power
Kurniawansyah, Rifki Mohamad , Kusmita, Aryu , Ayu, Humairoh Ratu
A single-axis solar tracker using a Fresnel lens has been realized to optimize the output power of solar cells. The solar tracker system is monitored using a website that displays the value of voltage (volts), current (amperes), tilt angle (0), and output power (watt) in real-time. This single-axis ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 1 (2025): Journal of Energy, Material, and Instrumentation Technology; 16-28 | 2025
Prototype of a Floating-Type Nanohydro Generator as a Lighting Energy Source for Agricultural Land
Pauzi, Gurum Ahmad, Putra, Dio Aditia, Supriyanto, Amir
A floating-type nano-hydro generator prototype has been developed as a source of electrical energy for lighting in agricultural areas. This generator is designed to produce electrical energy without modifying the flow medium, making it easy to apply in various water channels such as irrigation syste...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 1 (2025): Journal of Energy, Material, and Instrumentation Technology; 9-15 | 2025
Analysis of the Effect of Saltwater (NaCl) Solution Concentration During the Quenching Process on the Microstructure and Hardness of Medium Carbon Steel
Supriadi, Agus, Suka, Ediman Ginting, Marjunus, Roniyus
Centrifugal pumps type Overhung 4 size 4x11 often experience sand deposits and erosion problems, especially in the oil and gas industry, resulting in reduced productivity and increased repair costs. This study evaluates the application of the Piping Plan 13 API 682 as a solution to this problem. The...
Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 1 (2025): Journal of Energy, Material, and Instrumentation Technology; 1-8 | 2025
The Effect of Chitosan Addition on Phase Composition and Detection Sensitivity of Fe3O4/Chitosan Magnetic Label Nanoparticles Based on Giant Magnetoresistance Sensor
Prayoga, Galih Aji , Oktarisa, Yuvita , Antarnusa, Ganesha
This study describes how phase composition affects the ability of giant magnetoresistance (GMR) chip-based sensors to detect magnetic labels made of Fe3O4 and Fe3O4/chitosan that were synthesized using the co-precipitation method. X-ray diffraction (XRD) analysis revealed that the synthesized nanopa...
Journal of Energy, Material, and Instrumentation Technology; Vol. 5 No. 4 (2024): Journal of Energy, Material, and Instrumentation Technology; 153-160 | 2024