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International Journal of Education, Science, Technology, and Engineering (IJESTE)
Published by Lamintang Education & Training Centre
ISSN : 26851458     EISSN : 26849844     DOI : https://doi.org/10.36079/lamintang.ijeste
Core Subject : Science, Education, Engineering,
Computer Science & IT Education Engineering
International Journal of Education, Science, Technology, and Engineering (IJESTE) is a peer-reviewed journal that aims at the publication and dissemination of original research articles on the latest developments in all fields of Education, Science, Technology and Engineering.
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Articles 5 Documents
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Search results for , issue "Vol 7 No 2: December 2024" : 5 Documents clear
A New Approach to HCI in Technical Education: Creating Mobile Communication Tools with the User in Mind Omar, Nurul Ihsaniah; Ahmad, Azura
International Journal of Education, Science, Technology, and Engineering (IJESTE) Vol 7 No 2: December 2024
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.ijeste-0702.641

Abstract

The increasing impact of human-computer interaction has created new chances to assist learners traversing intricate and technical educational pathways. Despite the swift advancement of digital technology and the growing accessibility of specialized professions, several students encounter difficulties in completely engaging due to communication obstacles. A primary obstacle is the lack of organized, accessible vocabulary relevant to their disciplines, which impedes their capacity to interact with resources and articulate concepts proficiently. This study investigates the essential components necessary for creating a mobile platform that assists learners in overcoming communication barriers in technical and scientific fields. The research underscores the significance of connecting digital solutions with the genuine requirements and preferences of learners, prioritizing user experience and interface design. The results offer valuable insights for developers, educators, and content creators aiming to design interactive technologies that are both accessible and effective. Focusing on the user during the design process helps maximize human-computer interaction, hence improving understanding, involvement, and sustained engagement in specialized domains.
Challenges and Opportunities in Implementing Renewable Energy in Iraq Al-Ghabera, Hassan; Hassan Ahmed, Rania; Youssef, Mariam; Mahmood, Abbas
International Journal of Education, Science, Technology, and Engineering (IJESTE) Vol 7 No 2: December 2024
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.ijeste-0702.731

Abstract

This research explores the potential of renewable energy in Iraq, focusing on the challenges and opportunities for its implementation to address the country’s energy crisis. Iraq, historically reliant on oil and gas, faces severe energy shortages and infrastructure damage due to years of conflict. The objective of this study is to investigate how renewable energy, particularly solar and wind power, can provide a sustainable solution to Iraq's energy demands. The research employs a mixed-methods approach, utilizing in-depth interviews with energy experts, surveys of the general public and industry stakeholders, and case studies from countries like Morocco and Tunisia that have successfully implemented renewable energy systems. The findings highlight the significant potential for solar and wind energy in Iraq, but also emphasize the barriers related to infrastructure, policy uncertainty, and investment shortages. The study suggests that while renewable energy can play a key role in Iraq’s energy future, it requires strong governmental policies, infrastructure improvements, and private sector investments to succeed. Cultural and economic factors must also be considered for successful adoption. The discussion underscores the need for a strategic approach to integrate renewable energy into Iraq’s energy sector. Future research should explore the feasibility of specific renewable energy projects, focusing on policy frameworks, technological advancements, and the role of international partnerships in accelerating renewable energy development.
PEMFC Technology as a Mobile Generator and Back Up Power Supply Environmentally Friendly Dwi Pamungkas, Enggik; Wahyu Kurniyanto, Fajar; Aditya Putra, Fariz; Trisa Rani Marpaung, Helena; Silvia; Priyono, Bambang
International Journal of Education, Science, Technology, and Engineering (IJESTE) Vol 7 No 2: December 2024
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.ijeste-0702.745

Abstract

Hydrogen as a renewable energy source is increasingly important in efforts to reduce carbon emissions and transition to clean energy. Many power plants are equipped with hydrogen plants that produce hydrogen gas continuously, but excess hydrogen is often disposed of when storage reaches maximum capacity. This study proposes the use of excess hydrogen to power fuel cells as a backup energy source in various important facilities, such as commercial centres, fitness, and health services. Hydrogen fuel cells offer the main advantage of zero-emission operation, making them an ideal solution for improving energy sustainability. By using previously discarded hydrogen, not only energy waste can be minimized, but it also opens new business opportunities in the sale and rental of fuel cell systems to consumers who care about their carbon footprint and clean energy. The hydrogen gas productivity at a power plant reaches 88.8 kg/day, and the potential excess hydrogen gas at a power plant reaches 48.84 kg/day. One kilogram of hydrogen gas can generate 15 to 20 kWh of electrical energy. The study also examines potential business models that focus on the utilization of hydrogen from renewable energy sources such as solar, hydro, and geothermal. In addition, the analysis shows that the application of fuel cells for backup energy systems in strategic locations can reduce dependence on conventional energy that generates emissions. The use of this technology has great potential to support green energy infrastructure in Indonesia and is in line with global initiatives towards reducing carbon emissions. With the cost of hydrogen production getting lower and the growing awareness of the importance of clean energy, this approach is expected to play a significant role in achieving sustainable energy targets.
Determinants of University Students’ Attitudes and Intentions Toward Artificial Intelligence Education Wang, Lei; Zhang, Qi; Gong, Yue
International Journal of Education, Science, Technology, and Engineering (IJESTE) Vol 7 No 2: December 2024
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.ijeste-0702.784

Abstract

Few studies have investigated students’ perceptions towards using intelligence & interactive virtual massive open online course (IMOOCs) although IMOOCs is an adaptive technique to resolve the massive open online course problems. This study aims to investigate the influence of perceived usefulness, perceived ease of use, attitude, subjective norm, and perceived behavioural control on intention to use IMOOCs based on the technology acceptance model and theory of planned behaviour. A total of 216 students were recruited as respondents and further tested the hypotheses proposed based on PLS-SEM. The results show that perceived usefulness positively influences attitude, and perceived ease of use positively influences perceived ease of use and, subsequently attitude. Meanwhile, attitude, subjective norm, and perceived behavioural control positively influence intention towards using IMOOCs. Lastly, theoretical and practical implications as well as limitations are discussed accordingly.
Techno-Economic Analysis of Floating Solar PV on Reservoir Ash Pond in Coal-Fired Power Plants Warto; Tobing, Sheila
International Journal of Education, Science, Technology, and Engineering (IJESTE) Vol 7 No 2: December 2024
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.ijeste-0702.789

Abstract

The increasing global energy demand drives the development of efficient and sustainable renewable energy solutions. Floating Solar PV (FSPV) technology offers a viable solution by utilizing water surfaces such as reservoir ash ponds in coal-fired power plants without requiring additional land. This study aims to analyze the technical and economic aspects of an FSPV system with a capacity of 15.2 kWp using HelioScope and Homer Pro software, assuming Global Horizontal Irradiance (GHI) data from the National Solar Radiation Database. The analysis methods include annual energy production, Net Present Cost (NPC), Levelized Cost of Energy (LCOE), and other economic metrics such as Return on Investment (ROI), Internal Rate of Return (IRR), and Simple Payback Period for various grid electricity price escalation scenarios. The results show that a 5% annual increase in grid electricity prices reduces the simple payback period from 18.2 years to 13 years, with an ROI increase to 6.3% and an IRR of 7.1%. This study concludes that the FSPV system not only supports the transition to clean energy but also offers greater financial benefits under scenarios of rising grid electricity prices.

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