213 Result(s)
within
**u-**u Pan
Energy
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Article
A frequency domain design of UPFC-based dam** controller through direct synthesis approach
This paper proposes the design of dam** controllers using a frequency response matching approach to enhance the small-signal stability in a unified power flow controller (UPFC) based single-machine infinite-...
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Article
Effect of C:N ratio on treatment of mixed industrial-domestic wastewater by microalgae-bacteria consortium
In this study, Chlorella vulgaris and aerobic bacteria were co-cultured for the treatment of mixed wastewater with different C:N ratios (5:1, 10:1, 15:1, 20:1, and 25:1). The results showed that the C:N ratio had...
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Article
Comparison of secondary hydrothermal and pyrolysis in biomass carbon-based materials: activation methods and surface properties
Functional carbon-based materials play an important role in the field of energy and environmental protection, and how to prepare high-performance sustainable carbon-based materials is a current research hot sp...
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Article
Assessment of fuel characteristics and combustion dynamics of hydrochar produced via hydrothermal carbonization of brown algal biomass
In this study, Laminaria japonica (LJ) was transformed into biochar via hydrothermal carbonization (HTC), and the physicochemical properties, combustion characteristics, and kinetics of the resulting hydrochar we...
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Article
Numerical multi-physical optimization of operating condition and current collecting setup for large-area solid oxide fuel cells
Due to the depletion of traditional fossil fuels and the aggravation of related environmental problems, hydrogen energy is gaining more attention all over the world. Solid oxide fuel cell (SOFC) is a promising...
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Article
Scientometric analysis of research trends on solid oxide electrolysis cells for green hydrogen and syngas production
Solid oxide electrolysis cell (SOEC) is a promising water electrolysis technology that produces hydrogen or syngas through water electrolysis or water and carbon dioxide co-electrolysis. Green hydrogen or syng...
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Article
A new process for the production of second-generation biodiesel from waste oils and fats
Waste fats and oils contain many toxic and harmful components, and the number of waste fats and oils discharged each year at home and abroad is huge. The production of second-generation biodiesel from waste oi...
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Article
Performance research and optimization of the production of high-value nitrogen-containing compounds from tobacco stems via two-step hydrothermal liquefaction
In order to obtain nitrogen-containing compounds (NCCs) from tobacco stems(TS) under mild conditions, glycine, urea, and ammonium acetate were added in hydrothermal liquefaction of TS. The oil, gas, and carbon...
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Article
Co-liquefaction of municipal sludge and tobacco stems: a novel strategy for crafting bio-oil enriched with high value-added nitrogen-containing compounds and amide entities
Nitrogen-containing compounds are an important organic compound. High Value-Added Nitrogen-containing Compounds (NCCs) can be obtained through co-hydrothermal liquefaction (co-HTL) of sludge (SD) and tobacco s...
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Article
Numerical simulation of gasification characteristics in a circulating fluidized bed biomass gasifiers
In the computational particle fluid dynamics method, a numerical model of a three-dimensional circulating fluidized bed (CFB) air-water vapor mixture was established. This model facilitated an investigation of...
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Article
Depolymerization of corn cobs using the CO2/lithium bromide trihydrate system for low molecular weight lignin with high antioxidant activity
Biomass as a green renewable energy source has the potential to become a significant energy source in the future due to the depletion of fossil fuels. Herein, carbon dioxide was employed to enhance the acidic ...
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Article
Electron-withdrawing organic ligand for high-efficiency all-perovskite tandem solar cells
Tin–lead mixed perovskite-based tandem solar cells show promise. However, the inherent oxidation of tin remains a challenge for achieving high power conversion efficiency and device stability. In this study, w...
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Article
Effects of biochar from invasive weed on soil erosion under varying compaction and slope conditions: comprehensive study using flume experiments
Biochar amendment technique having been applied in the landfill cover or green roof was found to have the potential of erosion control. The strategy of utilizing excess biomass resource from an invasive weed (...
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Article
Roll-to-roll fabricated polymer composites filled with subnanosheets exhibiting high energy density and cyclic stability at 200 °C
Polymers are key dielectric media for energy storage capacitors in power electronics for electric vehicles and solar panels, and there is an urgent need to enhance their discharged energy density (Ud) at high tem...
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Chapter and Conference Paper
Organic Rankine Cycle System Variable Condition Analysis
Organic Rankine Cycle (ORC) power generation systems are one of the most efficient technological means of converting low and medium quality energy sources into mechanical energy at this stage. In this paper, t...
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Chapter and Conference Paper
Cogging Torque Prediction Model and Analysis of Permanent Magnet Motor Based on GA-PSO-BP
Due to the complex nonlinear relationship of permanent magnet motors, it is difficult to effectively construct the optimal design model of permanent magnet motors by analytical method and finite element analys...
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Chapter and Conference Paper
Temperature Distribution and Influencing Factors of 110 kV Single Core Cable Joint
To realize the dynamic capacity increase of power cable and accurately grasp the temperature distribution in the weakest cable joint area, a two-dimensional axisymmetric model of 110 kV cable joint is establis...
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Chapter and Conference Paper
Research on Fault Recovery Method for Distribution Networks with Microgrids Based on Improved BPSO Algorithm
Due to the integration of microgrids in distribution networks, more safety factors need to be considered for fault recovery. Currently, fault recovery methods have problems such as high computational complexit...
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Chapter and Conference Paper
Loss Calculation of GIS Disconnect Switches Considering Contact Resistance and Skin Effect
GIS is widely used in power systems because of its importance in power systems and. However, the device has a compact structure and electrical contact, which can easily cause internal overheating and pose a hu...
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Chapter and Conference Paper
A 24-Pulse Aviation Rectifier Based on Auto-Fed Half-Bridge Auxiliary Circuit
In order to suppress input current harmonics and output voltage ripple and simplify the configuration of linear aero AC-DC converters, this paper proposes a 24-pulse rectifier based on an auto-fed half-bridge ...
