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All Journal Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Jurnal Fisika FLUX Jurnal Pengabdian Pada Masyarakat Jurnal Teori dan Aplikasi Fisika Journal of Energy, Material, and Instrumentation Technology
Gurum Ahmad Pauzi
Universitas Lampung
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Medicine & Pharmacology Physics Other

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Kajian Simulasi Dinamika Molekul Adsorpsi Hidrogen pada Carbone Nanotube dengan Variasi Chirality dan temperatur Menggunakan Kode LAMMPS Erika Marinda Mufida; Sri Wahyu Suciyati; Gurum Ahmad Pauzi; Amir Supriyanto
Journal of Energy, Material, and Instrumentation Technology Vol 2 No 2 (2021): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (485.37 KB) | DOI: 10.23960/jemit.v2i2.58

Abstract

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 carbone nanotubes uses molecular dynamics simulation code LAMMPS, applies Lennard-Jones interatomic potential and hydrogen atom movement using Van Der Waals force with Microcanonical Ensemble. Data analysis is the output of LAMPS in the form of data in XYZ format. The data contains information in the form of integration steps, number of atoms, temperature, pressure, potential energy, kinetic energy, volume, van der Waals energy, total simulation time and hydrogen absorption. The simulation results show that the optimum absorption occurs at run 10000 and a temperature of 100 K, for armchair chirality of 10 atoms, chirality of 12 atoms and zigzag chrality of 5 atoms. Formation of hydrogen coordinates with Avogadro software, formation of CNT coordinates with VMD software and visualization of hydrogen adsorption on CNTs using VMD software.
Pemanfaatan Limbah Aki dan Komponen Elektronik sebagai Sumber Energi Listrik Ramah Lingkungan Junaidi Junaidi; Agus Riyanto; Gurum Ahmad Pauzi; Iqbal Firdaus
Jurnal Pengabdian Pada Masyarakat Vol 6 No 2 (2021)
Publisher : Universitas Mathla'ul Anwar Banten

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30653/002.202162.717

Abstract

UTILIZATION OF ACCU WASTE AND ELECTRONIC COMPONENTS AS AN ENVIRONMENTALLY FRIENDLY ELECTRICAL ENERGY SOURCE. This community service is a form of community development activity in the utilization of Accu waste and electronic components as an alternative energy source for mini-inverters. The mini-inverter module is made using the Joule Thief method. This method is able to increase low electric power from a 1.5-volt battery source into AC alternating current that can turn on LED lights. The service activity will be carried out in Hajimena Village, Natar District, South Lampung Regency in August 2020. This community service activity was attended by 32 participants. Each service participant has been fostered and guided about the process of making mini-inverter modules from waste batteries and components that are no longer used so that they are ready to use and suitable for use and of economic value. The components used in the manufacture of mini-inverters are all obtained from components from AKI and used electronic components as alternative energy sources. With this activity, it is hoped that the partner community will understand how to utilize waste that is difficult to decompose into ready-to-sell goods.
Investigasi Geologi dan Geolistrik Untuk Menafsirkan Keberadaan Air Tanah Dangkal Di Ambarawa, Lampung Rustadi Rustadi; Gurum Ahmad Pauzi; Opik Taufik
Jurnal Teori dan Aplikasi Fisika Vol 6, No 1 (2018): Jurnal Teori dan Aplikasi Fisika
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v6i1.1832

Abstract

East  Ambarawa  has  a  large  agricultural  land  prosfek  for  rice  cultivation.  Limitations  of irrigation facilities, caused land fields are only productive in the rainy season. Utilization of ground water to be an alternative to supporting water supply. For this purpose, a geoelectric survey has  been conducted to   map   the   presence   of   shallow   groundwater   in   three lines   with   random  positions  using  Pole-pole configurations.  Through  the  use  of  40  electrodes  with  a  total   length  of  200  m,  geoelectric image  is obtained  to  a  depth  of  70  m.  The  presence  of  ground  water  is interpreted  to  be  in sedimentary layers, at depths  of  12   -  50.  Underlying  sediment  layers  are  composed  of   igneous  rocks  that  correlate with the formed Kerawang hill.
Aplikasi IoT Sistem Monitoring Kualitas Air Tambak Udang Menggunakan Aplikasi Blynk Berbasis Arduino Uno Gurum Ahmad Pauzi; Mutiara Amalia Syafira; Arif Surtono; Amir Supriyanto
Jurnal Teori dan Aplikasi Fisika Vol 5, No 2 (2017): Jurnal Teori dan Aplikasi Fisika
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v5i2.1967

Abstract

The IoT Application in the Shrimp Pond Water Quality Monitoring System has been realized using Arduino Uno Application. This research was conducted to determine of the quality of shrimp pond water using an android smartphone. Sensor input (Temperature, pH and Dissolved Oxygen (DO)) from the sensor readings are processed on Arduino then sent to an android smartphone using ESP8266-01 and measurement result will be displayed on the Blynk Application. The Blynk application will receive water quality data to be displayed in the form of real values or chart. The result obtained that, the system can measure the quality of shrimp pond water using temperature sensor, pH sensor, and DO sensor based on Arduino Uno and control sensors when measuring received data displayed on Blynk application.
Automatic Watering of Red Ginger Plants Based on Telegram Using ESP8266 Nodemcu Humairoh Ratu Ayu; Dwina Nurizky Syahputri; Arif Surtono; Gurum Ahmad Pauzi; Amir Supriyanto
Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat Vol 20, No 2 (2023): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v20i2.15561

Abstract

The design of an automatic watering tool for telegram-based red ginger plants has been realized using nodemcu esp8266. This study aims to create an automatic plant watering system using the YL-69 sensor and monitor the water supply in the reservoir using an ultrasonic sensor that can be monitored using Telegram application. This tool is assembled with various components such as nodemcu ESP8266 as a microcontroller, YL-69 sensor to detect soil moisture, ultrasonic sensor functions as a water level detector, water pump, and 16×2 LCD. The system works when the sensor reads soil moisture in red ginger plants> 60% then the pump turns off and if <60% then the pump turns on. Based on the results of the study, the tool can run well as indicated by the average accuracy of the YL-69 sensor of 98.61% and the water pump can turn on and off according to soil moisture conditions. In addition, the Telegram application can control and monitor watering either manually with the command /Humidity to check soil moisture, /Distance to monitor the water level in the reservoir, /PumpON to turn on the pump, /PumpOFF to turn off the pump or automatically
Co-Authors Agung Gumelar Agus Riyanto Amir Supriyanto Dewi Puspitasari Dwina Nurizky Syahputri Edward Jannert Erika Marinda Mufida Giri Amirul Mukminin Humairoh Ratu Ayu Iqbal Firdaus Junaidi Junaidi Latifah Kamalia Muhammad Iqbal Yuliansyah Mutiara Amalia Syafira Nita Suliyani Opik Taufik Rustadi ., Rustadi Septika Locita Sinta Setiani Pangestu Sri Wahyu Suciati Sri Wahyu Suciyati Surtono, Arif Warsito Warsito