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Sugeng Hadi Susilo
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Editorial Staff Asian Journal Scieence and Engineering Jl. Soekarno Hatta No.9, Jatimulyo, Kec. Lowokwaru, Kota Malang, Jawa Timur 65141
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Asian Journal Science and Engineering
Published by CV. Creative Tugu Pena
ISSN : 29636752     EISSN : 29636752     DOI : http://dx.doi.org/10.51278/ajse.v1i2.545
Core Subject : Science, Engineering,
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Mechanical Engineering
Asian Journal Science and Engineering publishes all those best ideas from the science, which can be introduced in the engineering. Since, obtaining the high-quality, competitive products is based on introducing high technologies from various independent spheres of scientific researches, but united by a common end result - a finished high-technology product. The purpose of this journal is to publish quality articles dedicated to the scientific research development that focuses Mechanical Engineering, Civil Engineering, Chemical Cngineering, Electrical Engineering, Engineering Physics
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 5 Documents
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Search results for , issue "Vol. 3 No. 1 (2024): Asian Journal Science and Engineering" : 5 Documents clear
Hydrological Dynamics and Road Infrastructure Resilience: A Case Study of River Nile State, Sudan Mohamed, Hossam Aldeen; Hassan, Abubakr
Asian Journal Science and Engineering Vol. 3 No. 1 (2024): Asian Journal Science and Engineering
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/ajse.v3i1.1362

Abstract

This study explores the intricate relationship between hydrological processes, watershed management, and road infrastructure resilience, focusing on the impact of flooding on roads intersecting with streams in the River Nile State, Sudan. Located between 16.5°N to 18.5°N latitude and 33°E to 34°E longitude, this region, crucial to both ecological and economic aspects of the Nile River, faces significant challenges due to flooding. Utilizing precise Digital Elevation Models (DEMs) and advanced hydrological modeling techniques, the research aims to identify optimal solutions, such as overpass bridges, to mitigate flood risks. The total road length within the study area is quantified at 3572.279 kilometers, with stream orders categorized by length distribution: First Order at 2276.79 kilometers (50.7%), Second Order at 521.48 kilometers (11.6%), Third Order at 331.26 kilometers (7.4%), and Fourth Order at 1359.92 kilometers (30.3%). A notable flood event in 2020 disrupted approximately 120 meters of the Atbara - Shendi Road, revealing damage beyond initial expectations despite existing overpasses. This underscores the need for enhanced flood mitigation strategies and a reassessment of infrastructure resilience. The area where the flood caused the road cut had a watershed area of 214 square kilometers. The study identified 26 points where the watershed area is equal to or exceeds 214 square kilometers, indicating a higher risk of road disruption due to flooding. Enhanced scrutiny, potentially using high-resolution DEMs, is recommended for better assessment and management of these vulnerabilities. By integrating advanced DEM data and hydrological analysis, the study proposes tailored solutions to protect infrastructure while promoting sustainability and environmental stewardship.
An Implementation of Project Investment Management on Blockchain-based Crowdfunding System Yan Watequlis Syaifudin; salies Apriliyant; Hein Htet; Ferdy Hanan Pradana; Yuri Ariyanto; Indrazno Siradjuddin; Pramana Yoga Saputra; Triana Fatmawati
Asian Journal Science and Engineering Vol. 3 No. 1 (2024): Asian Journal Science and Engineering
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/ajse.v3i1.1686

Abstract

This study explores the transformative impact of blockchain technology on corporate investment management by developing an application that enhances transparency, security, and efficiency while mitigating fraud risks. By utilizing the Proof of Authority (PoA) methodology on a private blockchain network, the application enables secure, immutable transaction records and facilitates the management of investment projects along with token purchase transactions. It is structured using the Waterfall model, including essential phases such as requirements analysis and rigorous testing, which demonstrate the application’s ability to improve operational efficiency and foster accountability among stakeholders. The research highlights the role of tokenization in crowdfunding, wherein rights or assets are converted into digital tokens, enhancing transparency and liquidity. The system also integrates smart contracts to automate critical investment processes while ensuring secure user authentication and authorization. Evaluations reveal high success rates in functionality and user acceptance, though challenges such as scalability and regulatory compliance remain. Addressing these aspects is vital for maintaining the system's effectiveness and user confidence in decentralized investment management.
Surface Analysis and Material Elements in the Excavator Tooth Bucket which is affected by corrosion with the SEM and EDX method yudiyanto, eko; Susilo, Sugeng; Sulistyono, Sulistyono
Asian Journal Science and Engineering Vol. 3 No. 1 (2024): Asian Journal Science and Engineering
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/ajse.v3i1.1761

Abstract

Corrosion in excavator tooth buckets is a major issue in the heavy equipment industry, especially in mining and construction. Exposure to water, humidity, and chemicals accelerates corrosion, reducing strength and wear resistance, which shortens component life and lowers operational efficiency. This study analyzes surface structure and material composition changes due to corrosion, aiming to enhance material durability through better selection and design. Using Scanning Electron Microscopy (SEM) and Energy Dispersive X-Ray Spectroscopy (EDX), corrosion effects on S45C steel were examined at up to 5000x magnification. The results show increased oxygen (O) from 3.56 WT% to 25.53 WT% and decreased iron (Fe) from 84.21 WT% to 59.35 WT%, indicating severe oxidation. Identified corrosion types include uniform and gap corrosion, highlighting the need for corrosion-resistant materials and protective coatings to improve excavator reliability
The effect of temperature and injection time on the injection molding process on the final weight of the mini tray product Hadi Susilo, Sugeng; Pebrianti, Dwi; Faizal, Elka
Asian Journal Science and Engineering Vol. 3 No. 1 (2024): Asian Journal Science and Engineering
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/ajse.v3i1.1762

Abstract

Injection molding is an important process in plastic manufacturing, especially for mini tray production that requires stability and severe accuracy. Temperature and injection time affect product quality, including material distribution and possible defects. This study aims to analyze the effect of these two parameters on the final weight of the product and determine optimal arrangements to achieve consistent quality. This study uses an experimental method with independent variables in the form of temperature and injection time, as well as the dependent variable in the form of product weight. Data is collected through testing with KT-105 injection molding machine and analyzed using Minitab 19 software to test the relationship between variables statistically. The results showed that the temperature and time of injection had a significant effect on the weight of the mini tray. Anova analysis proves a strong relationship between these two parameters, with a p-value value <0.05
The Utilization of Vertical Wind Turbines for Micro Electricity Generation Budi Riyanto; Abdi Seno; Naf'an Arifian; Sarifuddin
Asian Journal Science and Engineering Vol. 3 No. 1 (2024): Asian Journal Science and Engineering
Publisher : CV. Creative Tugu Pena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51278/ajse.v3i1.1803

Abstract

This research is motivated by the rapidly increasing demand for electricity driven by modernization and industrialization, as well as by environmental challenges resulting from reliance on non-renewable fossil energy sources, thereby prompting the search for clean and efficient alternative energy. The aim of this study is to examine the potential and performance of vertical wind turbines as an innovative solution for micro power generation by assessing the efficiency of converting wind energy into electricity and evaluating its economic aspects. An observational research method was employed, incorporating literature review, team discussions, design processes, device construction, and the implementation of testing through both laboratory and field methods. The study was conducted at the Politeknik Pelayaran Sumatera Barat, where the turbine was installed on the roof of a classroom building in a coastal area, taking advantage of favorable geographic conditions and supportive wind characteristics. Data collection involved direct measurements of parameters such as wind speed, turbine and generator RPM, and electrical voltage over designated time intervals, thereby producing data on the variability and operational performance of the turbine. Results indicate that the vertical wind turbine is capable of generating electricity optimally despite fluctuations in wind speed, and it offers advantages in terms of installation flexibility, low operational costs, and energy efficiency with room for improvement. Consequently, the study recommends the development of enhanced aerodynamic designs and more optimal driving mechanisms to accommodate dynamic operational conditions, thereby facilitating the widespread implementation of this solution to support the decentralization of renewable energy systems, reduce reliance on fossil fuels, and strengthen the sustainability of electricity supply.

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