Michael Tulus Samuel Sinurat, Ansori Ansori, Sovian Aritonang, Viktor Vekky Ronald Repi, Asmawi Marullah Ridhwan

Effect of SS316L Plate’s Surface Texture on Hydrogen Production of HHO Generator for Defence Application in Remote Locations

Introduction

Effect of ss316l plate’s surface texture on hydrogen production of hho generator for defence application in remote locations. Investigate SS316L plate surface texture's effect on HHO generator hydrogen production for defense in remote locations. Compares 4 textures & KOH concentrations.

Abstract

The research aims to determine if surface texture of HHO generator’s electrode plate affect hydrogen production, and which of 4 tested surface textures gives the best performances. Electrolytes used is KOH with variation in concentration of 10, 20, 30, 40, 50, and 60 g/L. Testing is done by running the generator to produce 1 L of hydrogen, with the tested parameter being current, electrolytes temperatures, and time required. Data is measured in 2 waves: the first wave is 30 measurements with the generator always on, and the second wave is 30 measurements with the generator turned off for 10 seconds between measurements. The average, standard deviations, and correlation coefficients is compared to determine the best surface texture.

Review

This study addresses a practically relevant topic concerning the optimization of HHO generators, specifically focusing on the impact of SS316L plate's surface texture on hydrogen production. The premise of improving efficiency for defence applications in remote locations lends significant importance to this research. The abstract clearly outlines the primary objective: to identify if surface texture influences hydrogen yield and to pinpoint the best performing of four tested textures. The systematic approach of varying KOH electrolyte concentration across a broad range (10-60 g/L) and measuring key parameters like current, electrolyte temperature, and time required to produce a fixed volume of hydrogen is a commendable starting point for such an investigation. While the methodology appears systematic, several crucial details are absent in the abstract, which are essential for a thorough evaluation and reproducibility. Most notably, the "4 tested surface textures" are not described, which is fundamental to understanding the experimental design and interpreting the results. Without knowing whether these textures include polished, etched, sandblasted, or other specific treatments, the findings will lack context. Furthermore, the abstract mentions "producing 1 L of hydrogen" as a fixed output, while simultaneously listing "current" as a tested parameter alongside "time required." Clarification is needed on whether the current is fixed and time/volume measured, or if the experiment aims for 1L and then reports the associated current and time. The rationale behind the "2 waves" of data collection, especially the intermittent "generator turned off for 10 seconds between measurements," is intriguing but requires further explanation regarding its purpose (e.g., thermal stability, electrode passivation effects). Finally, the specific variables being correlated through "correlation coefficients" should be explicitly stated. Despite these areas for clarification, the research holds strong potential to contribute valuable insights into HHO generator design, particularly for the specified niche application. Addressing the methodological ambiguities – especially detailing the surface textures and clarifying the experimental protocol for current and volume measurements – would significantly enhance the manuscript's clarity and scientific rigor. The integration of the findings with the "defence application in remote locations" could also be strengthened by discussing practical implications such as energy efficiency, material longevity, or operational stability under varied field conditions. Overall, this paper represents a promising exploration into an important area of renewable energy technology.

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