Artikel (130)
This study aims to determine the effectiveness of guava leaf extract as an inhibitor of St37 steel in 3% HCl corrosive medium. Weight reduction method is used to determine the value of the resulting corrosion rate. Soaking of St37 steel at 80 ° C and 100 ° C was carried out with variations in the ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 3 (2021): Journal of Energy, Material, and Instrumentation Technology; 110 - 115 | 2021
Henna leaves extract (Lawsonia inermis L) is used as a corrosion inhibitor in St37 steel soaked in 3% HCl corrosive medium. To find out the effect of inhibitor concentration on the corrosion rate of steel, the variation of inhibitor concentration is 0, 3, 5, 7 and 9%. Corrosion rate testing is done ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 3 (2021): Journal of Energy, Material, and Instrumentation Technology; 104 - 109 | 2021
Hydrothermal methods have been developed for the manufacture of ZnO. This study aims to find out the effects of variation on the chemical composition and structure of nanoZnO, the nanoZnO phase formed and the nanoZnO particle size formed. The NaOH variation used is 1; 2; 3; and 4 grams. The characte...
Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 3 (2021): Journal of Energy, Material, and Instrumentation Technology; 98 - 103 | 2021
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...
Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 3 (2021): Journal of Energy, Material, and Instrumentation Technology; 87 - 97 | 2021
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, ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 3 (2021): Journal of Energy, Material, and Instrumentation Technology; 80 - 86 | 2021
Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 2 (2021): Journal of Energy, Material, and Instrumentation Technology; 59 - 65 | 2021
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...
Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 2 (2021): Journal of Energy, Material, and Instrumentation Technology; 48 - 58 | 2021
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...
Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 2 (2021): Journal of Energy, Material, and Instrumentation Technology; 39 - 47 | 2021
The superconducting material BPSCCO-2212 with doping Pb = 0,2 has been synthesized by the wet mixing method. Calculation is caried out at 800 °C for 10 hours. While sintering is done at 825 °C, 830 °C, 835 °C and 840 °C for 20 hours. The synthesis result were characterized by XRD X-Ray Diffract...
Journal of Energy, Material, and Instrumentation Technology; Vol. 1 No. 2 (2020): Journal of Energy, Material, and Instrumentation Technology; 53-57 | 2021
This research is related to making a system to display data on temperature changes, CO, and CO2 monitoring results in real time make use of MySQL. The measuring instrument used consisted of an MQ-7 sensor to detect CO gas, a MQ-135 sensor to detect CO2 gas, a DHT-22 sensor to measure the temperature...
Journal of Energy, Material, and Instrumentation Technology; Vol. 1 No. 2 (2020): Journal of Energy, Material, and Instrumentation Technology; 75-80 | 2021