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 (26)
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