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International Journal of Renewable Energy Development
Scopus
ISSN 2252-4940 · Diponegoro University · 835 artikel di indeks
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Artikel Jurnal
The effect of temperature during the hydrocracking of low-density polyethylene using a Ni-Cu/HZSM-5 catalyst
LDPE plastics contributed 20-30% of the plastics use. Due to its non-biodegradable properties, plastic waste management is crucial. In the other hand, the LDPE plastics provide potential and benefits in the exploration of energy resources; they could be converted to liquid fuels through a catalytic…
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Artikel Jurnal
Machine learning in solar energy systems: Methods, applications, and future directions
In the present era, the ever-growing need for energy and the greenhouse gas emissions from fossil fuel burning have become a real challenge. Solar energy is an attractive option among various options available in renewable energy domain. Solar energy systems are rapidly expanding, and that growth…
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Artikel Jurnal
Two-stage gradient-pore microporous layers for enhanced energy production and durability in PEM fuel cells
Coupled mass, heat, and water transport in proton exchange membrane fuel cells (PEMFCs) critically depend on the microporous layer (MPL), but traditional uniform-pore MPLs are restricted by inherent trade-offs between the accessibility of reactants and the removal of liquid-water. This work…
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Artikel Jurnal
Control synthesis of battery-supercapacitor hybrid power sources system subject to parameter variations and input saturations
In practical Battery–Supercapacitor Hybrid Power Source (Batt-SC HPS) applications for Electric Vehicles (EVs), parameter variations and actuator input constraints are unavoidable due to changing operating conditions, temperature effects, and physical limitations of power converters and switching…
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Artikel Jurnal
Upcycling EAF graphite electrode waste into graphene-oxide–doped PEDOT:PSS for inverted perovskite solar cells
Poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) is widely used as a hole-transport layer (HTL) in inverted perovskite solar cells (PSCs), but its acidity and moisture affinity can limit device performance. This study aimed to evaluate a circular-materials route by upcycling…
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Artikel Jurnal
CFD analysis of photovoltaic panel performance under variable weather conditions with natural and forced convective cooling
The objective of this study is to numerically investigate the influence of climatic conditions, particularly ambient temperature and relative humidity, on the thermal and electrical performance of photovoltaic (PV) panels, and to evaluate the effectiveness of natural and forced convection cooling…
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Artikel Jurnal
Radiator-type solar heating system with phase change material for residential thermal comfort
This paper presents the design, construction, and experimental thermal evaluation of a modular solar heating system that integrates heat collection, storage, and emission into a single compact unit. The prototype consists of a flat-plate solar air collector directly coupled to a radiator-type…
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Artikel Jurnal
Development of an isothermal CO2 absorption process using DMC and PEG400 for carbon capture and storage technology
This study aims to develop and evaluate a green binary solvent system based on dimethyl carbonate (DMC) and polyethylene glycol 400 (PEG400) for physical CO2 absorption. Efficient and environmentally benign solvents are essential to support large-scale decarbonization efforts. The DMC–PEG400 system…
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Artikel Jurnal
Development of hybrid COA-WCA multi-objective optimization of microgrid hybrid renewable energy system: A case study of Nusa Penida
This study proposes a hybrid metaheuristic that combines the Coyote Optimization Algorithm (COA) and the Water Cycle Algorithm (WCA) to improve multi-objective optimization of a hybrid renewable energy microgrid (HRES) for Nusa Penida Island. Such islanded systems must balance investment cost…
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Artikel Jurnal
Utility-scale wind power generation potential in low-wind regions: Insights for achieving the sustainable energy transition in developing countries
Wind energy represents a promising resource for accelerating the transition to renewable energy and meeting global net-zero emission targets. While wind turbines have generated considerable amounts of electricity in specific regions of four-season countries, their potential in low-wind countries is…
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Artikel Jurnal
Evaluation of the effects of fatty ester isomerization and turpentine-derived additive introduction on biodiesel cold flow properties and oxidation stability
Biodiesel is a cleaner and renewable combustion fuel that globally serves as an effective alternative to fossil diesel. The current application of this biofuel is still restricted to specific concentration due to its poor cold flow properties (CFPs) and low oxidation stability (OS). Later…
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Artikel Jurnal
Structural, morphological and optical properties of ZnO thin films grown by time-dependent chemical bath deposition
This study investigates the effect of deposition time on the structural, morphological, and optical properties of ZnO thin films synthesized by single-step chemical bath deposition (CBD) without the use of a seed layer. The films were systematically characterized using X-ray diffraction (XRD)…
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Artikel Jurnal
Characterization of zirconia sulfate catalyst for sustainable aviation fuel from waste cooking oil
The growing accumulation of waste cooking oil (WCO) in Indonesia presents serious environmental concerns while offering potential as a renewable feedstock for sustainable aviation fuel. This study evaluates the conversion of WCO into bio-jet fuel via pyrolytic catalytic cracking (PCC) using…
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Artikel Jurnal
Study on the effect of bionic flap based on owl wing contour on aerodynamic noise of airfoil
Modifying flap geometry to reduce trailing-edge turbulence is an effective approach to lower wind-turbine blade aerodynamic noise. Based on the NACA0018 airfoil, a new bionic serrated flap was designed by mimicking the owl wing structure. Numerical methods were employed to investigate its noise…
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Artikel Jurnal
Comparative study of Reynolds number and Flowrate effects on the thermal–hydraulic performance of corrugated channels with winglets using TiO₂ nanofluids
This study aims to provide a deeper and more realistic understanding by conducting a systematic comparison between the two approaches (Reynolds number and volumetric flowrate). The analysis emphasizes the impact of internal channel design, using inclined winglets and surface corrugation. An…
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Artikel Jurnal
Process optimization in simultaneous saccharification and fermentation system for bioethanol production from Pakchong grass (Pennisetum purpureum cv Thailand)
To support the 2060 Net Zero Emission (NZE) target under the Paris Agreement, increasing the proportion of bioethanol blends to 20-30% has become a national priority. However, limited sugarcane-derived bioethanol production in Indonesia highlights the urgent need for alternative biomass sources…
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Artikel Jurnal
Towards self-diagnostic solar farms: Leveraging EfficientNet and class activation mapping for predictive maintenance
The high rate of utility photovoltaic (PV) system development has increased the demand for stable, automated, and interpretable fault diagnostic systems that can be utilised in real-world environments. Solar farms with a large size are increasingly making conventional manual inspection methods…
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Artikel Jurnal
Seawater utilization through hybrid photocatalysis-electrocoagulation process using pumice-supported g-C3N4/BiOBr for hydrogen production and methylene blue decolorization
This study investigated the simultaneous photocatalysis-electrocoagulation process using pumice-supported g-C3N4/BiOBr nanocomposites in seawater treatment to remove organic pollutants and generate hydrogen gas. The photocatalyst nanocomposite was synthesized via coprecipitation and immobilized on…
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Artikel Jurnal
Valorization of olive pruning biomass into high-efficiency activated carbon: CCD optimization and material characterization
This study focuses on the valorization of olive pruning stems (OPS) biomaterial into a high-efficiency adsorbent. The selected preparation method involved chemical activation using phosphoric acid (H₃PO₄) at a concentration of 50%. The effects of four process parameters: impregnation ratio…
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Artikel Jurnal
Evaluating the performance of stainless steel in microbial electrolysis cells: Hydrogen production and corrosion behaviour
Microbial Electrolysis Cells (MECs) provide a sustainable route to hydrogen production via microbial electron transfer, while the biocathode enhances affordability and functionality. Stainless steel (SS) is an ideal material for bioelectrochemical systems (BES) due to its high recyclability and…