Garuda - Garba Rujukan Digital

Article Per Year (5 Year)

p-Index From 2020 - 2025

0.835

P-Index

This Author published in this journals

All Journal Journal of Energy, Material, and Instrumentation Technology

Sri Wahyu Suciyati

Departement of Physics, University of Lampung, Indonesia, 35141

Author-ID : 3389677

Control & Systems Engineering Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics

Published : 5 Documents Claim Missing Document

Claim Missing Document

Articles

Analisis Karakteristik Elektrik Onggok Singkong Fermentasi yang Diawetkan sebagai Pasta Bio-Baterai Yuli Erviana; Amir Supriyanto; Sri Wahyu Suciyati; Gurum Ahmad Pauzi
Journal of Energy, Material, and Instrumentation Technology Vol 1 No 1 (2020): Journal Of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Bio-battery is defined as an energy storage device where the energy source comes from organic compounds. The electrical characteristics of the bio-battery can be obtained using to copper (Cu) and zinc (Zn) electrode pairs. Cassava pulp is used as the electrolyte. Cassava pulp is being fermented for 48 hours, 96 hours, and 144 hours and added 4% formalin. The electrolyte cell consists of 20 cell batteries in series with each mass is ±30 grams. The electrical characteristics of fermented cassava pulp are measured with 4 watts LED load and without load. The results show that the highest voltage is 20.66 V which is obtained by 144 hours fermented cassava pulp. The electrical characteristics in this research tend to constant due to the addition of preservatives (formalin).

Rancang Bangun Prototipe Pengoptimal Charging Baterai pada Mobil Listrik dari Pembangkit Tenaga Surya dengan Menggunakan Sistem Boost Converter Gurum Ahmad Pauzi; Diana Rahma; Sri Wahyu Suciyati; Arif Surtono
Journal of Energy, Material, and Instrumentation Technology Vol 1 No 2 (2020): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

In this research, the lithium-ion 48 Volt battery charging system's design was carried out on the prototype electric car using the boost converter tool. Boost converter consists of several circuit systems, namely oscillator circuit, trigger circuit, switching circuit, inductor, and DC output. IC TL 494 as pulse and frequency wave generator, used to regulate the switching process on the MOSFET circuit in the boost converter. This research was conducted by presenting variations in the inductor wire's diameter to determine the result of the current output used for the filling process by varying the diameter by 0.8 mm, 4 mm, and 8 mm. The number of wire twists used remains 5:27 and produces an output voltage boost converter of 54 Volts. The results showed the inductor wire's diameter affected the output of the boost converter and the length of battery charging time on the electric car. The length of time of battery draining at the wire's diameter is 0.8 mm, which is for 680 minutes, at the wire 4 mm diameter for 290 minutes, and at the diameter of the wire, 8 mm is for 400 minutes. The boost converter has the advantage of being more efficient in terms of dimensions, resulting in 3 times the voltage and power increase compared to the input voltage. The maximum panel input power of 14.5 Watts when added boost converter maximum power increased by 47.84 Watts.

Simulasi Dinamika Molekul Berbasis Kode LAMMPS untuk Mengkaji Titik Leleh Bahan Besi (Fe), Timbal (Pb) dan Aluminium (Al) Piana Hartina; Sri Wahyu Suciyati; Amir Supriyanto; Junaidi Junaidi
Journal of Energy, Material, and Instrumentation Technology Vol 1 No 2 (2020): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Telah dilakukan penelitian dengan tujuan memperoleh model simulasi dinamika molekul bahan Al, Fe, Pb terkait struktur kristal dan karakteristik bahan saat mencapai titik leleh. Metode simulasi titik leleh ini menggunakan simulasi dinamika molekul kode LAMMPS dengan mengunakan potensial Finnis-Sinclair EAM dan menggunakan persamaan algoritma velocity-verlet. Analisis nilai titik leleh dilakukan berdasarkan grafik perubahan fase (padat-cair) antara nilai energi potensial dan suhu dari masing-masing bahan yang diperoleh dari output LAMMPS. Hasil output LAMMPS berisi data posisi atom-atom dalam format XYZ, dan juga diperoleh informasi berupa step integrasi, energi potensial, suhu, volume, dan tekanan. Hasil visualisasi terlihat bahwa struktur kristal aluminium mencapai titik leleh saat suhu 948,51°C, timbal mencapai titik leleh saat suhu 952,92°C, besi mencapai titik leleh saat suhu 1521,25°C. Visualisasi struktur kristal bahan saat mencapai titik leleh menggunakan software OVITO dan untuk menganalisis karakteristik stuktur kristal bahan dengan kurva fungsi distribusi radial mengunakan software ISAACS.

Monitoring Data Perubahan Suhu, CO dan CO2 Secara Real Time Menggunakan MySQL Randi Setiawan; Warsito Warsito; Junaidi Junaidi; Sri Wahyu Suciyati
Journal of Energy, Material, and Instrumentation Technology Vol 1 No 2 (2020): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

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 and a microcontroller as a control system. Measurement data is displayed on the PC server using an interface created through the Visual Basic 2010 program and saved to the Mysql database. In this research, a baudrate of 19200 bps was used so that data transmission could be faster so that it supported realtime data transmission. Based on the research, it was found that the greater the boudrate value used, the faster time it takes to send data. In this study, a baudrate of 19200 bps was used so that data transmission could be faster so that it supported realtime data transmission. Based on the research, it was found that the greater the boltrate value used, the faster time it takes to send data. Based on the results of tests conducted, MySQL monitoring system is running well. The MySQL can display data on temperature changes, CO, and CO2 measurement data in the form of tables in real time.

Analisis Suhu Dan Konsentrasi Karbondioksida dalam Kotak Pendingin Terhadap Susut Bobot dan Umur Simpan Buah Nanas (Ananas Comosus L. Merr) Berbasis MIT App Inventor 2 Yulinda Nugraeni; Sri Wahyu Suciyati; Gurum Ahmad Pauzi; Amir Supriyanto
Journal of Energy, Material, and Instrumentation Technology Vol 1 No 3 (2020): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Shrinkage of weight loss and shelf life of pineapples is influenced by high temperatures and CO2 concentrations. This study aims to analyze the influence of temperature and CO2 concentration on weight loss and shelf life pineapple in a fridge cooler. The analysis data is obtained from a monitoring tool that has even the ESP8266 module to connect the Arduino with wifi through an application made with MIT App Inventor 2 so that data can be displayed with android. The downside of this application is that if the cellular data network is weak or non-existent, data recording will stop. The results showed that the monitoring tool was able to send data successfully. During data collection, the temperature was 7.82oC - 11.05oC, the CO2 concentration was 457.20 ppm - 490.77 ppm, the weight loss on ripe pineapple was 1.84%, 2.63%, and the weight loss on raw fruit 1.36% - 3.52%. Then from these data the CO2 concentration affects the respiration process, respiration affects the decay process. Whereas temperature affects the physical changes of pineapple fruit so that the shelf life of pineapples can last up to 22 days.

Co-Authors Amir Supriyanto Diana Rahma Gurum Ahmad Pauzi Junaidi Junaidi Piana Hartina Randi Setiawan Surtono, Arif Warsito Warsito Yuli Erviana Yulinda Nugraeni

Title

Found 5 Documents
Search

Abstract

Abstract

Abstract

Abstract

Abstract

Title Search

Found 5 Documents Search

Abstract

Abstract

Abstract

Abstract

Abstract

Title

Found 5 Documents
Search