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Energy Conversion Efficiency Enhancement of a Normal Wind Turbine Combining a Fuzzy Control Method and Mechanical Centrifugal Modules
Published 2024-01-01“…Theoretical analysis and simulation of the energy conversion efficiency are executed. A physical prototype is machined. …”
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Robust Power Designing of Supplementary Damping Controller in VSC HVDC System to Improve Energy Conversion Efficiency of Wind Turbine and Power System Stability
Published 2022-01-01“…Therefore, it is essential to employ an SDC to have the optimum energy conversion efficiency in the wind turbine and the most dynamic stability margin in the power system. …”
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Design and Synthesis of Crystalline Al-Doped TiO<sub>2</sub> Buffer Layers for Enhancing Energy Conversion Efficiency of New Photovoltaic Devices
Published 2025-01-01Subjects: Get full text
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Study of the Effects of Different Dielectric Environments on the Characteristics of Electro-Explosive Discharge of Metal Wires and Shock Waves
Published 2024-12-01Subjects: Get full text
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Optimal Design and Analysis of Traction Steering Mechanism for Loading Transport Vehicle
Published 2021-05-01“…By using the Adams dynamics simulation software, the simulation and comparative experiment of the trapezoidal steering mechanism with the optimized parallelogram mechanism from three dimensions of steering trajectory, steering start torque, and energy conversion efficiency are carried out. The analysis results show that the optimized mechanism has a smoother steering trajectory, smaller steering starting torque and higher energy conversion efficiency.…”
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High Efficiency of Dye-Sensitized Solar Cells Based on Ruthenium and Metal-Free Dyes
Published 2013-01-01“…The co-adsorbent significantly enhances the open-circuit photovoltage (), the short circuit photocurrent density () the solar energy conversion efficiency (). The co-adsorbent 4L is applied successfully to prepare an insulating molecular layer with N719 and achieve high energy conversion efficiency as high as 8.83% at 100 mW cm−2 and AM 1.5 at 1 to 0.25 (N719 : co-adsorbent) molar ratio. …”
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A Comparative Study of Material and Structural Configurations in Piezoelectric Energy Harvesting
Published 2025-02-01“…Among the configurations, the bimorph beam with PZT-5A demonstrated the highest energy conversion efficiency, achieving a 50% increase in electrical power output compared to the unimorph configuration and a 9% improvement over the stack configuration. …”
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Power-Efficient Simultaneous Wireless Information and Power Transfer (SWIPT) for Batteryless IoT Devices Using a Co-Designed Rectifying Metantenna
Published 2025-01-01“…Furthermore, the metasurface incorporates rectifier diodes distributed partially, significantly enhancing energy conversion efficiency. The proposed rectifying metantenna operates at 5.8 GHz (an ISM band) and achieves a maximum energy conversion efficiency of 54.6% when subjected to an input power of 0 dBm. …”
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Data center energy efficiency case and energy saving operation
Published 2019-02-01“…PUE value is the key indicator of energy efficiency in data center.Through the comparative analysis of refrigeration efficiency,cooling efficiency,energy conversion efficiency and energy transmission efficiency,the reasons for difference in PUE between two data center cases were found.Three measures on the strategy of energy-saving operation of data center were put forward,as to control the number of refrigerators,to reduce the temperature of cooling water and to raise the temperature of chilled water.Some inspirations on energy saving in the construction and operation of the data center were raised.…”
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Study on Operating Characteristic of the New Type Wind Power Device based on Improved CVT Mechanism
Published 2016-01-01“…Finally,in the end,the performance parameters of the wind power device are compared and analyzed through the test method.The research result shows that,after the installation of the improved CVT mechanism,the energy conversion efficiency of the wind power device is improved,and the connecting shaft torque magnitude and change range of the blade and gearbox is reduced. …”
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Interfacial Transport Study of Ultra-Thin InN-Enhanced Quantum Dot Solar Cells
Published 2022-01-01“…Currently, the layered solar panel industry has achieved an energy conversion efficiency of 47%. In addition to efficiency, the cost of solar cells has been optimized, and the cost of commercial silicon solar cells has been greatly reduced. …”
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RESEARCH ON THE ENERGY HARVESTING OF DIELECTRIC ELECTROACTIVE POLYMER TRANSDUCER
Published 2017-01-01“…With the force-stroke of generator,the energy generated and energy conversion efficiency were calculated. It is demonstrated that the stretch displacement and bias voltage are the main factors influencing the amount of electrical energy generated and the efficiency of energy conversion. …”
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A Facile Synthesis of Granular ZnO Nanostructures for Dye-Sensitized Solar Cells
Published 2013-01-01“…The overall energy conversion efficiency was 1.82% with the smaller grain size of ca. 250 nm when it was used as photoelectrode of DSSCs. …”
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Effects of Temperature and Light Intensity on the Growth and Physiological and Biochemical Characteristics of Young Sporophyte of a Novel Saccharina japonica "Huangguan No.2"
Published 2025-02-01“…This indicates that the light energy conversion efficiency and light energy utilization efficiency significantly increased in the low light environment, which led to an increase in the absorption of light energy. …”
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Thin-Film LSCs Based on PMMA Nanohybrid Coatings: Device Optimization and Outdoor Performance
Published 2013-01-01“…The investigation of the spectral properties and efficiency parameters recommended the best solar energy conversion efficiency for the second design. The outdoor performance of optimized TLSC was also evaluated under clear sky conditions of Riyadh city, and the hourly values of the optical efficiency, ηopt, were calculated for one year. …”
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Performance analysis of simultaneous wireless information and power transfer relay network in railway Internet of things
Published 2020-12-01“…The system performance of energy constrained dual-hop multi relay network was studied in railway Internet of things.The source node was deployed on the train to transmit energy and information to the relay node with constrained energy on the ground.The harvested energy was used by the relay node to forward information to the destination node,and the relay node used half-duplex amplify-and-forward mode.Considering that the relay circuit has energy activation threshold,the closed-form expression of outage probability and throughput in Rician fading channel was derived.The correctness of the theoretical analysis was verified by Monte Carlo simulation,and the effects of Rician factor,time switching factor,the number of source node antennas,total transmission power of source node,energy conversion efficiency,relative position of each node on the end-to-end outage probability and throughput were compared and analyzed under the two relay selection strategies with the shortest first hop distance and the shortest sum of dual-hop distance.When the train passes through each relay successively,the outage probability of the system decreases first and then in creases,and the throughput increases first and then decreases.The performance of the system with the shortest sum of dual-hop distances is better than that with the shortest first hop distance.…”
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Improved silicon solar cells by tuning angular response to solar trajectory
Published 2025-01-01“…Cost reduction has been via economies of scale and steadily increasing sunlight energy conversion efficiency. The best experimental cells at 27.4% efficiency approach the 29.4% figure almost universally regarded as the limit on silicon cell performance. …”
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Metal-Free Counter Electrode for Efficient Dye-Sensitized Solar Cells through High Surface Area and Large Porous Carbon
Published 2011-01-01“…The mesoporous carbon shows very high energy conversion efficiency of 7.1% compared with activated carbon. …”
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A 22% Efficient Semiconductor/Liquid Junction Solar Cell—the Photoelectrochemical Behavior of n-WSe2 Electrodes in the Presence of I2/I- in Aqueous Electrolyte
Published 1988-01-01“…The calculations of the main physical parameters determining the high value (22%) of the visible light-to-electrical energy conversion efficiency have been carried out. We particularly show that the lifetime of the photogenerated holes is larger than their transit time across the space-charge so that the carriers reach the semiconductor surface, where they can react with the electrolyte, without recombining.…”
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