Results 21 to 30 of about 2,841,779 (136)

Four-Objective Optimization of Irreversible Atkinson Cycle Based on NSGA-II

Entropy, 2020
Variation trends of dimensionless power density (PD) with a compression ratio and thermal efficiency (TE) are discussed according to the irreversible Atkinson cycle (AC) model established in previous literature.
Shuangshuang Shi, Yanlin Ge, Lingen Chen, Huijun Feng   +3 more
doaj   +1 more source

1.6 W continuous-wave Raman laser using low-loss synthetic diamond [PDF]

, 2011
Low-birefringence ...
Bonner, Gerald M., Burns, David, Dawson, Martin D., Friel, Ian, Geoghegan, Sarah L., Hastie, Jennifer E., Kemp, Alan J., Lubeigt, Walter, Savitski, Vasili G.   +8 more
core   +2 more sources

Numerical study for the improvement of performance of Savonius wind turbine having elliptical blades [PDF]

E3S Web of Conferences
The S-rotor wind turbine operates based on drag, resulting in lower power coefficients. Furthermore, a multitude of geometric and aerodynamic factors have been meticulously crafted to enhance the overall efficiency.
Debnath Pinku, Debbarma Ronald
doaj   +1 more source

An Experimental Investigation of Wake Characteristics and Power Generation Efficiency of a Small Wind Turbine under Different Tip Speed Ratios

Energies, 2020
We carried out a wind tunnel experiment to examine the power generation efficiency of a stand-alone miniature wind turbine and its wake characteristics at different tip speed ratios (TSRs) under the same mean inflow velocity.
Yu-Ting Wu, Chang-Yu Lin, Che-Ming Hsu
doaj   +1 more source

Influence of Temperature on Electrical Characteristics of Different Photovoltaic Module Technologies

International Journal of Renewable Energy Development, 2018
­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­The aim of this study was to analyse the influence of temperature on electrical characteristics of crystalline and amorphous photovoltaic (PV) modules in outdoor conditions at Nawabshah. The experimental setup was made over
Abdul Rehman Jatoi, Saleem Raza Samo, Abdul Qayoom Jakhrani   +2 more
doaj   +1 more source

A battery-less, self-sustaining RF energy harvesting circuit with TFETs for µW power applications [PDF]

, 2016
This paper proposes a Tunnel FET (TFET) power management circuit for RF energy harvesting applications. In contrast with conventional MOSFET technologies, the improved electrical characteristics of TFETs promise a better behavior in the process of ...
Moll Echeto, Francisco de Borja, Nunes Cavalheiro, David Manuel, Valtchev, Stanimir   +2 more
core   +1 more source

Electrical Power Output Prediction of Combined Cycle Power Station

发电技术
In order to maximize the profit of a combined cycle power plant, it is important to accurately predict its full load power output. When a combined cycle power plant operates, the exhaust gas produced by the previous stage is used to drive the next stage ...
CHEN Daijun, CHEN Lili, LI Yangtao
doaj   +1 more source

Performance Optimizations with Single-, Bi-, Tri-, and Quadru-Objective for Irreversible Diesel Cycle

Entropy, 2021
Applying finite time thermodynamics theory and the non-dominated sorting genetic algorithm-II (NSGA-II), thermodynamic analysis and multi-objective optimization of an irreversible Diesel cycle are performed.
Shuangshuang Shi, Lingen Chen, Yanlin Ge, Huijun Feng   +3 more
doaj   +1 more source

Investigation on Wake Evolution Dynamics for Various Floating Offshore Wind Turbine Platforms

Energies
The study investigates the impact of motions of floating offshore wind turbine platforms on wake evolution and overall wind farm performance, employing large-eddy simulation (LES) and dynamic wake modeling method.
Yifan Gao, Jiahao Chen
doaj   +1 more source

Power, Efficiency, Power Density and Ecological Function Optimization for an Irreversible Modified Closed Variable-Temperature Reservoir Regenerative Brayton Cycle with One Isothermal Heating Process

Energies, 2020
One or more isothermal heating process was introduced to modify single and regenerative Brayton cycles by some scholars, which effectively improved the thermal efficiency and significantly reduced the emissions. To analyze and optimize the performance of
Lingen Chen, Chenqi Tang, Huijun Feng, Yanlin Ge   +3 more
doaj   +1 more source