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Journal for Technology and Science
Published by Antis Publisher
ISSN : -     EISSN : 30474337     DOI : https://doi.org/10.61796/ipteks.v1i1
Core Subject : Engineering,
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering
The Journal for Technology and Science published by Antis Publisher eISSN 3047-4337 is a scholarly journal that focuses on original research articles in natural science and technology relevant to industries and communities in developing countries. Released annually in March, August, and November, it is inclusive of scientists, researchers, educators, and scholars. The journals scope encompasses various topics addressing current challenges encountered by industries, governments, and communities in developing nations. With a commitment to advancing knowledge and fostering innovation, The Journal for Technology and Science welcomes submissions that contribute to the advancement of science, technology, and their applications in addressing societal needs and promoting sustainable development in emerging economies
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 13 Documents
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Search results for , issue "Vol. 1 No. 2 (2024): Journal for Technology and Science" : 13 Documents clear
COMPARISON OF THE EFFECT OF SUXXX, V-POXXX FUEL AND THEIR MIXTURES ON R15 MOTORCYCLE ENGINE PERFORMENCE Wahid , M. Luqman; Firdaus , Rachmat
Journal for Technology and Science Vol. 1 No. 2 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i2.205

Abstract

General Background: With the increase in motorcycle usage worldwide, optimizing engine performance through fuel selection has become a focus, as fuel type significantly impacts torque, power, and specific fuel consumption. Specific Background: Public motorcycle transportation options include various fuel types, such as suxxx and v-poxxx, as well as blends with ethanol, which are commonly used for enhanced engine efficiency. Knowledge Gap: There is limited research directly comparing the performance impacts of suxxx, v-poxxx, and their mixtures, especially with ethanol, on motorcycles over a range of RPMs. Aims: This study aims to evaluate the differences in motorbike performance using pure suxxx, v-poxxx, a 50-50 blend of suxxx and v-poxxx, and an 85-15 blend of suxxx and ethanol by examining torque, power, and specific fuel consumption (SFC) on an R15 motorbike through dynotest trials. Results: Findings indicate that v-poxxx, with its higher octane level, provides superior torque, power, and SFC compared to suxxx and mixed fuels, especially at low and high RPMs. Meanwhile, the 85% suxxx and 15% ethanol blend achieves the best SFC but has slightly lower torque and power at specific RPMs compared to v-poxxx. Novelty: This study provides comparative insights into the effectiveness of mixed ethanol fuels in motorcycles, identifying performance variances across a range of RPMs, which is less explored in the context of motorcycle engines. Implications: The results suggest that high-octane fuels enhance engine performance, while ethanol mixtures could serve as efficient alternatives for fuel savings. These insights are valuable for consumers and manufacturers aiming to optimize fuel usage for different riding conditions.
THE USE OF THE ATUMICS METHOD FOR THE DEVELOPMENT OF DESIGNS FOR WOMEN'S LEATHER BAGS Fernanda , Daffa Afisona; Jakaria , Ribangun Bamban
Journal for Technology and Science Vol. 1 No. 2 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i2.206

Abstract

Abstract: Leather bags are popular consumer products, frequently undergoing innovations to meet evolving aesthetic preferences and market demands. While leather artisans continuously experiment with new designs, integrating traditional and contemporary styles remains an underexplored area, especially in the application of batik printing on leather. To address this knowledge gap, this study seeks to enhance leather bag designs by incorporating batik printing, aiming to modernize traditional motifs and elevate the cultural value of these products. Using the ATUMICS method—a structured approach that harmonizes traditional and modern elements through Artifact, Technique, Utility, Material, Icon, Concept, and Shape criteria— the study examined the impact of adding batik printing designs on the feasibility and consumer appeal of leather bags. Findings reveal that leather bags with batik printing achieve higher feasibility scores, with product evaluations improving from 30–65% to 80–100% after applying the ATUMICS method, based on a questionnaire completed by ten experienced artisans. Validity and reliability tests yielded values (validity: 0.716–0.967; reliability: Cronbach's Alpha 0.885) that confirm the robustness of the instrument used. The novelty of this research lies in demonstrating the potential of batik-printed leather bags as a culturally resonant, modern product for broader markets. Implications suggest that integrating traditional patterns with contemporary aesthetics can revitalize interest in leather crafts and serve as a model for other traditional crafts, providing artisans with valuable insights into product differentiation and market adaptation. Future research should expand on design variations in form and color to further enhance the diversity of leather bag offerings and maintain the cultural significance of traditional art forms in modern fashion.
DESIGN OF A LIGHTNING STRIKE COUNTER TOOL IN THE MOJOSARI ULP DISTRIBUTION NETWORK BASED ON IOT Maulana , Mochamad Rizal; Ahfas , Akhmad
Journal for Technology and Science Vol. 1 No. 2 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i2.207

Abstract

General Background: Electrical distribution systems frequently face disruptions, particularly in tropical climates like Indonesia, where lightning strikes are prevalent due to high humidity. Specific Background: These disruptions necessitate effective monitoring tools to manage lightning impacts on power distribution networks. Knowledge Gap: Despite existing solutions, there is a lack of real-time monitoring systems tailored for the specific conditions of Indonesian distribution networks. Aims: This study aims to develop an Internet of Things (IoT) based lightning monitoring device that leverages ACS712, DHT11, and LDR sensors, facilitating real-time data acquisition and notifications. Results: The system achieved sensor accuracies of 95.2% for the ACS712, 98.5% for the DHT11, and a satisfactory performance from the LDR sensor. The processed data is displayed on a 16x2 LCD and sent as notifications via Telegram. The device also includes a buzzer for immediate alerts during lightning strikes and features buttons for data logging and resets. Novelty: The research presents a novel application of IoT technology to create a user-friendly monitoring solution for lightning strikes, specifically designed for the 20KV distribution networks in the ULP Mojosari work area. Implications: By enabling timely notifications and efficient localization of lightning-related disruptions, this tool significantly enhances the operational response of field officers, improving the resilience of power distribution systems during adverse weather conditions. However, it is essential to note that the device requires an internet connection for Telegram notifications, and the ACS712 sensor has a maximum current reading limit of 30 amperes.

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