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All Journal Persepsi : Communication Journal Recent in Engineering Science and Technology
Abdul Azis Abdillah
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Humanities Chemical Engineering, Chemistry & Bioengineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Ranking of Ustaz and Ustazah Popularity Levels to Understand Online Da'wah Expansion Strategies Indra Silanegara; Maryono Maryono; Abdul Azis Abdillah
Persepsi: Communication Journal Vol 5, No 2 (2022): November 2022
Publisher : UMSU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/persepsi.v5i2.11597

Abstract

An acceptable reason is needed for choosing a religious figure to be researched, especially by users of the latest technology who have different perspectives. This paper aims to describe the steps to change the Google Trends function into a ranking tool for the level of popularity of Ustaz or Ustazah figures in cyberspace and then use it as material for further studies. The study began by searching for their names on Google Search using search queries: 'Ustaz' and 'Ustazah'. Directly, the first five names that appear are entered into the Google Trends app. Each name that has the lowest average graph among the five would be replaced by the next names, one by one. The name would be retained if the graph was higher and be ignored if it was lower. Thence, the ranking of Ustaz or Ustazah with the most sought-after information in cyberspace is generated. Tactical steps to find out how online users were interested in information (including dawah) from Ustaz or Ustazah were described in detail at the end of this paper.
The Analysis of the Effect of RIB Width and Channel Depth Design Modifications on CFD-Based Parallel Type Bipolar Plates for the Application of Proton Exchange Membrane Fuel Cell Stack Singles Mochammad Tendi Noer Ramadhan; Amar Banu Mukhlisin; Belyamin; Radhi Maldzi; Abdul Azis Abdillah
Recent in Engineering Science and Technology Vol. 3 No. 02 (2025): RiESTech Volume 3 No. 02 Years 2025
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v3i2.107

Abstract

The use of large amounts of fossil fuels can pollute the air with significant amounts of carbon monoxide. Proton Exchange Membrane Fuel Cell (PEMFC) is an attractive alternative because it is able to generate high current with low working temperature, fast start-up time, no pollution, and good durability. In PEMFC systems, bipolar plates are one of the main and important components. This component facilitates the reactants to flow through the designed channel. This study aims to modify the parallel-type flow field design on the bipolar plate using CFD simulation in ANSYS, in order to improve the performance of PEMFC. While flowing through the bipolar plate, the reactants diffuse through the gas diffusion layer, thus connecting with the catalyst layer to generate protons and electrons in the anode and water and heat in the cathode through chemical reactions. The results of the study show that the variation of rib width and channel depth has a significant effect on the pressure distribution and hydrogen flow distribution.These findings can contribute to the improvement of flow distribution efficiency and pressure reduction
Co-Authors Amar Banu Mukhlisin Belyamin Indra Silanegara Maryono Maryono Mochammad Tendi Noer Ramadhan Radhi Maldzi