Penerbit: Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung
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Penggunaan Metode Taguchi untuk Menentukan Kondisi Parameter Optimum Pada Pembuatan CaO dari Batu Kapur (CaCO-3)
Oleh: Lilik Widia, Marjunus, Roniyus , Sudibyo
Research has been carried out to determine the optimum conditions for making quicklime (CaO) using the Taguchi Method. CaO is the burning result of limestone (CaC ) in calcination process by releasing of C gas until CaO solids occur. The limestone was calcined at . The Taguchi Method is a quali...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 1 (2021): Journal of Energy, Material, and Instrumentation Technology; 23 -29
Effect of CaCO3 Levels on Formation Phase Material BSCCO-2212 superconductor with Method Mixing Wet
Oleh: Mega Puspitaratu, Elsa, Suprihatin, Suprihatin, karo, Pulung Karo
It has been done a variation of CaCO 3, which is 0.95; 1.00; 1.05; and 1,10, through phase formation of BSCCO-2212 superconductor using a wet-mixing method. Samples were dissolved with HNO 3 and distilled by water slowly until the color was clean blue, then gradually dried out at temperatures of 300...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 2 (2023): Journal of Energy, Material, and Instrumentation Technology; 53-57
Pengaruh Variasi Polivinilpirolidon (PVP) Terhadap Pembentukan Serat Nano TiO2 Menggunakan Metode Electrospinning
Oleh: Ar, Vega Rahmawati, Manurung, Posman, Junaidi, Junaidi
Research on the formation of TiO2 nanofiber has been carried out with PVP variations of 1.1; 1,2; 1.3; 1.4 and 1.5 grams using electrospinning. This study aims to determine the effect of PVP variation on the viscosity and morphology of TiO2 nanofibers and to determine the crystal structure of the fi...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 1 (2021): Journal of Energy, Material, and Instrumentation Technology; 11 - 16
Analysis of the Effect of Saltwater (NaCl) Solution Concentration During the Quenching Process on the Microstructure and Hardness of Medium Carbon Steel
Oleh: 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...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 6 No. 1 (2025): Journal of Energy, Material, and Instrumentation Technology; 1-8
Rancang Bangun Alat Ukur Kekeruhan Air Menggunakan Fototransistor dan LED Inframerah Berbasis Arduino Uno
Oleh: Suliyani, Nita, Suciyati, Sri Wahyu, Pauzi, Gurum Ahmad
In this research, the water turbidity measurement tool based on Arduino Uno has been designed and built using phototransistors and infrared LEDs. This measuring instrument consists of a series of infrared sensors, Arduino as a process, LCD I2C as a value viewer, Micro SD as a data storage, and RTC a...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 2 (2021): Journal of Energy, Material, and Instrumentation Technology; 39 - 47
Kajian Simulasi Dinamika Molekul Adsorpsi Hidrogen pada Carbone Nanotube dengan Variasi Chirality dan Temperatur Menggunakan Kode LAMMPS
Oleh: Mufida, Erika Marinda, Suciyati, Sri Wahyu, Pauzi, Gurum Ahmad
Hydrogen adsorption has been simulated on carbon nanotubes for optimum hydrogen absorption. Parameters that affect the amount of hydrogen absorbed have been studied, such as the effect of chirality and temperature on hydrogen absorption in CNTs. The simulation method of hydrogen adsorption on carbon...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 2 (2021): Journal of Energy, Material, and Instrumentation Technology; 48 - 58
Soliton Dynamics Analysis of Peyrard-Bishop-Dauxois DNA Model Using 4th Order Morse Potential Approach
Oleh: Lubis, Alfin Edo Kaisar, Yulianti, Yanti, Riyanto, Agus
Research has been carried out to analyze the dynamics of the soliton DNA of the Peyrard-Bishop-Dauxois (PBD) model with 4th-order-approximation Morse Potential. The aim of research is to know physical changes of PBD model with 4th-order-approximation Morse Potential on stable and unstable state in...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 3 No. 4 (2022): Journal of Energy, Material, and Instrumentation Technology; 115-120
Rancang Bangun Mesin Penggulung Lilitan Kawat Transformator Otomatis Berbasis Arduino Uno
Oleh: Irfan, Denny, Junaidi, Junaidi, Surtono, Arif
Research on application of the design an Arduino Uno-based automatic transformer wire winding machine has been carried out. The research aim was to make an automatic winding machine using wire coils that can be adjusted for rotation speed and high accuracy of the number of turns. In testing system, ...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 3 (2021): Journal of Energy, Material, and Instrumentation Technology; 80 - 86
Perancangan Simulasi Hardware-in-The-Loop Untuk Sistem Manajemen Baterai
Oleh: Endrawan, Fathir, Iskandar, Reza Fauzi , Fathonah, Indra Wahyudin
In a Microgrid system that relies on renewable energy generation, one of the most important constituent systems is the Battery Energy Storage System because of its vital role in maintaining the stability of the Microgrid in providing power to the load. However, to operate the battery, a Battery Mana...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 3 (2021): Journal of Energy, Material, and Instrumentation Technology; 87 - 97
Design and Build a Drum Collector Using a Stepper Motor Arduino Based on Nanofiber Spinning Machine (Electrospinning)
Oleh: Oktaviani, Wulan, Suciyati, Sri Wahyu, Pauzi, Gurum Ahmad
An Arduino-based stepper motor was used to create a nanofiber spinning machine. The hardware for this tool includes an Arduino Mega module, a 4x4 keypad, a TM1637 type seven-segment display, and L298N type stepper motor driver, a 17Hs4401 type stepper motor, a Pushbutton, and an ultrasonic sensor. T...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 3 No. 2 (2022): Journal of Energy, Material, and Instrumentation Technology; 39 - 43