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ISSN 0852-1697 · Diponegoro University · 594 artikel di indeks
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Artikel Jurnal
Application of Waste Heat Recovery Systems for Evaluating the Effectiveness and Electrical Energy Consumption Seaweed Convective Dryer
The research has practical implications for the design and operation of seaweed convective dryers, particularly in the context of energy conservation. Implementing a Waste Heat Recovery System (WHRS) to utilize waste heat from convective dryers that have been wasted into the environment is a…
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Artikel Jurnal
Dam-Break Flood Modeling and Risk Assessment using HEC-RAS 2D: for Ladongi Dam, Southeast Sulawesi, Indonesia
Dam-break floods pose severe threats to human safety, infrastructure, and economies, especially in embankment dams. The Ladongi Dam, located in East Kolaka Regency, Southeast Sulawesi, Indonesia, is classified as a high-hazard structure, making its potential failure a significant concern. This…
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Artikel Jurnal
Operational Load on Material Handling Process Stockyard Ship to Port Using Field Tests
Since all equipment needs to be handled correctly, the equipment handling procedure is crucial. in order to ensure the equipment's safe arrival at its destination and to preserve its quality and condition. The method used in this research to analyze the calculation using experiment set with sensor…
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Artikel Jurnal
Construction Supply Chain Performance Evaluation using The Supply Chain Operations Reference (Scor 12.0) (Case Study: Semarang-Demak Toll Road Project Package 2)
Inefficiencies in construction projects, aside from being caused by poor planning and control, are also attributed to delays in material delivery, especially for critical materials. One of the main causes of these delivery delays is suboptimal supply chain management. Therefore, it is essential to…
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Artikel Jurnal
Optimizing Component Specifications and Panel Configurations in On-Grid Solar Power Generation system: Guidelines for Maximum, Minimum, and String Count
The increasing global emphasis on renewable energy has significantly accelerated the adoption of solar photovoltaic (PV) systems. On-grid Solar Power Generation, which are connected to the public electricity grid, play a crucial role in this transition by providing a sustainable and efficient means…
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Artikel Jurnal
Impact of Cooling Media on The Tensile Strength of SMAW Welding on AISI 1060 Carbon Steel
The cooling process of steel after undergoing the welding process will affect the changes in the microstructure of the steel and will also have an impact on the tensile strength, elasticity and strain and brittleness of the steel. This study aims to determine the mechanical properties of AISI 1060…
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Artikel Jurnal
The Role of Algae in Biofuel Production: Potentials, and Challenges for Sustainable Transportation
This study aims to explore the potential of algae for sustainable biofuel production by examining their molecular biology and the use of advanced cultivation techniques. As concerns over greenhouse gas emissions and rising transportation energy costs grow, algae offer a promising alternative for…
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Artikel Jurnal
Analysis of The Potential and Challenges of Developing Bagasse as Bioethanol Fuel
Bioethanol is an alternative energy source to fossil fuels derived from plant materials containing cellulose, such as sugarcane bagasse. According to data from the Ministry of Energy and Mineral Resources of the Republic of Indonesia, fuel consumption in Indonesia reached 29.68 million kiloliters…
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Artikel Jurnal
Vertical Deformation of Manikin Asphalt Concrete Core Dam Using Mohr-Coulomb and Hardening Soil Material Models with Plaxis 2D Software
The Manikin Dam, located in Taebenu District, Kupang Regency, East Nusa Tenggara Province, is currently under construction. The dam is designed with an asphalt concrete core. The initial foundation elevation of the Manikin Dam was set at 103 meters above sea level due to fluctuating NSPT values…
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Artikel Jurnal
Analysis of Water Availability at Margatiga Dam
A dam is a structural construction built to retain or store water and serves to distribute water for raw water supply, irrigation, and hydroelectric power generation. Margatiga Dam is the third and most downstream dam in the Sekampung River Cascade Dam System in Lampung Province. It functions to…
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Artikel Jurnal
Analysis of Changes in Sedimentation Volume of Kuwil Kawangkoan Reservoir with USLE Method and Area Reduction Method
Sediment deposited in the reservoir will increase in line with the total erosion rate. This causes the dead storage capacity of the reservoir to siltation, so studies need to be performed to estimate the amount of erosion rate and sediment distribution during the reservoir's operational period. The…
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Artikel Jurnal
IoT and Machine Learning-Based Electric Vehicle Development Strategy to Maximize Vehicle Life and Promote Green Mobility
This research explores innovative strategies for developing electric vehicles based on the Internet of Things (IoT) and Machine Learning with the aim of maximizing service life and encouraging green mobility. In the face of the climate crisis and the increasing need for sustainable energy, electric…
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Artikel Jurnal
Life Cycle Assessment and Emission Mass Balance of Cassava-Based Bioethanol: A Feasibility Analysis of Environmental Impacts from Upstream to Downstream in Indonesia
Bioethanol is a promising alternative biofuel for reducing gasoline consumption. Indonesia's bioethanol industry is expanding to achieve the energy mix target through Pertamax Green 95. The government also focuses on energy transition and environmental concerns, especially in the transportation…
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Artikel Jurnal
Digital Competencies Among Construction Students in Ghana's Technical Universities: A Quantitative Assessment from the Students’ Perspective
The construction industry’s digital transformation demands professionals with advanced digital skills. This study assesses the digital competencies of construction students at Ghana’s technical universities, focusing on self-reported proficiency and perceived job readiness. Based on data from 271…
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Artikel Jurnal
Sound-Based Smart Toddler Monitoring System: AIoT Development with YAMNet on Raspberry Pi
The safety of toddlers at home is paramount for parents, but constant monitoring is difficult due to busy schedules. The limitations of camera-based monitoring solutions, namely privacy concerns and heavy processing, drive the need to develop monitoring systems that utilize sound recognition. This…
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Artikel Jurnal
Effect of In Situ Gelatin Addition on Synthesis and Characteristics of Limestone Based Hydroxyapatite using Sol-Gel Method
Hydroxyapatite (HAp) is a major component of bone and tooth tissues used to repair and rebuild malfunctioning bone. Hydroxyapatite synthesis widely utilizes materials that have a high calcium content. In this study, limestone was used as an economical calcium precursor. Gelatin was added in situ…
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Artikel Jurnal
Optimal Placement of Renewable Distributed Generation for Power Losses and Emissions Reduction Using the Multi Verse Optimization Algorithm in Distribution System
Distributed Generation (DG) from Renewable Energy Sources (RES) is widely applied in distribution systems or small-scale electric power networks. DG RES utilizes renewable energy sources such as PV and wind turbines. However, the intermittent and uncertain nature of renewable energy sources…
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Artikel Jurnal
Concrete Jacketing for Strength Enhancement of Square Columns in Corroded Reinforced Concrete Structures
Buildings submerged during the 2004 Aceh tsunami have shown signs of structural degradation, particularly due to corrosion in column reinforcement, raising concerns about reduced seismic performance. This study aims to evaluate the effectiveness of the concrete jacketing method in retrofitting…
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Artikel Jurnal
Analysis of Energy Use Intensity (EUI) Factors in Government Office Buildings in Tropical Climate: A Case Study in the Ministerial Office Building and the Directorate General of Water Resources Building of The Ministry of Public Works
Energy Use Intensity (EUI) is a key indicator for evaluating the energy efficiency of buildings. This study aims to analyze the EUI factors in two government office buildings: the Ministerial Office (MO) building and the Directorate General of Water Resources (DGWR) building of The Ministry of…
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Artikel Jurnal
Mapping the Relationship Between Enterprise Risk and Project Risks at Construction Company
The construction industry is described as a project-based industry that inherently carries a wide range of risks. These risks are not only limited to projects but also extend to organizational or enterprise-level risks involving the company's directors, departments, and divisions. This study aims…