Performance analysis of PID and SMC for PEMFC-based grid integrated system using nine switch converter - A comparative study
January 2025
Hydrogen fuel cells are gaining popularity as a reliable and efficient sustainable energy source. They have found uses in electric vehicles and microgrid applications. A grid-connected microgrid system...
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Insight into organic photovoltaic cell: Prospect and challenges
January 2025
Organic photovoltaics have attracted considerable interest in recent years as viable alternatives to conventional silicon-based solar cells. The present study addressed the increasing demand for alternative...
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Comprehensive review of hydrogen generation utilizing geothermal energy
January 2025
Hydrogen is an industrially significant gas and is considered a potential clean fuel. In the time of climate change; when the global impetus is towards reducing the reliance on fossil fuel, there is...
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Evaluating the techno-economic potential of large-scale green hydrogen production via solar, wind, and hybrid energy systems utilizing PEM and alkaline electrolyzers
January 2025
The study evaluates the potential of solar, wind, and hybrid PV/WT renewable energy systems for green hydrogen production in four Iraqi cities. Through a comparative analysis of six distinct scenarios...
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Virtual power plant management with hybrid energy storage system
January 2025
The transition to renewable energy sources and distributed energy generation (DG) has spurred the global evolution of energy production methods. However, virtual power plants (VPPs) face challenges...
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Using geothermal energy in enhancing all-air HVAC system performance - Case study, thermal analysis and economic insights
January 2025
The background is the same for addressing the twin challenges of attaining thermal comfort and concurrently reducing energy use and CO2 emissions. As a safeguard against worsening contamination, combining...
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The influence of pore throat heterogeneity and fractal characteristics on reservoir quality: A case study of chang 8 member tight sandstones, Ordos Basin
January 2025
The Chang 8 member of the Yanchang Formation in the Ordos Basin exhibits extensive development of tight sandstone reservoirs. In comparison to conventional reservoirs, these tight sandstone reservoirs...
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Thermodynamic analysis for definition of low-potential heat sources
January 2025
This study presents a method for defining low-potential energy sources based on thermodynamic analysis. It defines low potential energy sources and presents the results of calculating temperature levels...
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Transitioning to sustainable economic resilience through renewable energy and green hydrogen: The case of Iraq
January 2025
The study investigates the potential of transitioning Iraq, a nation significantly dependent on fossil fuels, toward a green hydrogen-based energy system as a pathway to achieving sustainable economic...
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Assessing climate strategies of major energy corporations and examining projections in relation to Paris Agreement objectives within the framework of sustainable energy
January 2025
The study presents a comparative analysis of emission scenarios proposed by key institutions, including Shell, British Petroleum (BP), the International Energy Agency (IEA), and the Intergovernmental...
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Heat production rate of deep rocks in Bohai Bay Basin and its relationship with terrestrial heat flow
2024
The vertical distribution of rocks’ radioactive heat production rate in the continental crust is the basis for exploring the deep thermal structure and explaining terrestrial heat flow distribution...
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Development characteristic and main controlling factors of the Ordovician karst caves in the Keping area, Tarim Basin
2024
This research endeavors to characterize the primary factors that influence the formation of Ordovician karst caves in the Keping area of China. A 3D digital model of the cave structure and fracture...
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The present-day in-situ stress field and its effect on shale gas development in Zigong area of southern Sichuan Basin
2024
The Zigong area in southern Sichuan Basin is one of the key shale gas production areas in China, and the Longmaxi and Wufeng Formations within it are currently the key exploration and development layers....
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Suppressing solar PV output fluctuations by designing an efficient hybrid energy storage system controller
2024
The stochastic nature of solar photovoltaics (PV), marked by high-frequency voltage fluctuations due to dynamic climatic conditions such as cloud cover and temperature variations, presents a significant...
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Photovoltaic mini-grid incorporation: The panacea for electricity crisis in sub-Saharan Africa
2024
The electrification rate in sub-Saharan Africa, standing at 45% in 2018, is significantly lower when compared with global benchmarks. The 600 million individuals lacking access to electricity constitute...
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A numerical investigation into the propagation of acid-etched wormholes in geothermal wells
2024
Carbonate geothermal reservoirs are widespread in the Beijing-Tianjin-Hebei region, and acidification stands out as the most effective method to enhance the heat recovery potential of these reservoirs....
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Detailed analysis of seismic reflection characteristics of tight sandstone reservoirs in the upper paleozoic of the ordos basin: A case study of block X
2024
Tight sandstone gas represents a crucial domain for augmenting reserves and boosting oil and gas production in the Ordos Basin. Currently, the primary focus for development lies in the Upper Paleozoic...
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Shallow and deep geothermal water sources identification in Unai geothermal field, Gujarat, India with applications of Magnetotelluric (MT)
2024
The aim of this study is to conduct and examine the results of a Magnetotelluric (MT) survey in Unai, Gujarat, India for geothermal prospect identification. At Unai, the data was acquired, processed,...
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Geological characteristics and developmental achievements of the large presalt carbonate gas fields in the Amu Darya Basin
2024
The Amu Darya Basin accounts for one of the most abundant natural gas resources globally, it is the main gas supplier to the Central Asian natural gas pipeline. It also holds potential for the natural...
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Geothermal resource estimation of Uttarakhand region, India
2024
With many countries dependent on imported fuels, governments and industries are diversifying energy sources, including geothermal energy. Geothermal energy, derived from the Earth's internal heat, holds...
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Prospects of geothermal field development in Gandhar, Gujarat, India
2024
Field development is an important part of natural resource utilization and exploration because it involves a systematic evaluation and optimization of a specific area. This study examines the geothermal...
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Diagenetic characteristics and microscopic pore evolution of deep shale gas reservoirs in Longmaxi Formation, Southeastern Sichuan basin, China
2024
The Lower Silurian Longmaxi Formation is the favorable target area for deep shale gas exploration and development in southeastern Sichuan Basin. Based on whole-rock X-ray diffraction analysis, scanning...
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CH4 adsorption capacity of coalbed methane reservoirs induced by microscopic differences in pore structure
2024
The difference in porous structure significantly impacts the CH4 adsorption capacity in the coalbed methane (CBM) reservoir. Herein, a series of experiments, including maceral and mineral test, N2 adsorption/desorption,...
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Lithological and diagenetic variation of mixed depositional units in the middle permian saline lacustrine deposition, Junggar Basin, NW China
2024
Mixed depositional reservoirs are widely distributed in Junggar Basin, NW China. These reservoirs are featured by complex lithology, ultra-low permeability and extremely heterogeneous pore structures...
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Impact of fracturing fluid retention and flowback on development effect after large scale fracturing in shale oil wells: A case study from the shale oil of Chang 7 Member, Yanchang Formation, Ordos Basin
2024
In order to reveal the impact of fracturing fluid retention and flowback on the development effect after large-scale fracturing in shale oil wells, and to formulate a reasonable flowback policy, this...
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