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Optimum Peak Current Hysteresis Control for Energy Recovering Converter in CDI Desalination

Pernía, Alberto M.; Alvarez-González, Francisco J.; … - In: Energies 7 (2014) 6, pp. 3823-3839

Capacitive De-Ionization (CDI) is becoming a suitable alternative for desalination. The low cost of the materials … cell to another with the maximum possible efficiency, thus allowing the desalination process to continue. Assuming … of the desalination cell and the NaCl concentration modify the cell electrical properties. The peak current control of …

Persistent link: https://www.econbiz.de/10011031185

Simulation of a Standalone, Portable Steam Generator Driven by a Solar Concentrator

Sabry, Mohamed; Nahas, Mouaaz; Al-Lehyani, Saud H. - In: Energies 8 (2015) 5, pp. 3867-3881

Solar energy is a good solution for energy-deficiency problems, especially in regions such ‎as rural areas in the Middle East that have not been electrified yet or are ‎under electrification. In ‎this paper, with the aid of a Computational Fluid Dynamics simulation, we propose a ‎system...

Persistent link: https://www.econbiz.de/10011274569

Dynamic Simulation and Exergo-Economic Optimization of a Hybrid Solar–Geothermal Cogeneration Plant

Calise, Francesco; Capuano, Davide; Vanoli, Laura - In: Energies 8 (2015) 4, pp. 2606-2646

This paper presents a dynamic simulation model and a parametric analysis of a solar-geothermal hybrid cogeneration plant based on an Organic Rankine Cycle (ORC) powered by a medium-enthalpy geothermal resource and a Parabolic Trough Collector solar field. The fluid temperature supplying heat to...

Persistent link: https://www.econbiz.de/10011227995

A Review of Ultrahigh Efficiency III-V Semiconductor Compound Solar Cells: Multijunction Tandem, Lower Dimensional, Photonic Up/Down Conversion and Plasmonic Nanometallic Structure...

Tanabe, Katsuaki - In: Energies 2 (2009) 3, pp. 504-530

Solar cells are a promising renewable, carbon-free electric energy resource to address the fossil fuel shortage and global warming. Energy conversion efficiencies around 40% have been recently achieved in laboratories using III-V semiconductor compounds as photovoltaic materials. This article...

Persistent link: https://www.econbiz.de/10010668143

A Method to Use Solar Energy for the Production of Gas from Marine Hydrate-Bearing Sediments: A Case Study on the Shenhu Area

Ning, Fulong; Wu, Nengyou; Jiang, Guosheng; Zhang, Ling; … - In: Energies 3 (2010) 12, pp. 1861-1879

A method is proposed that uses renewable solar energy to supply energy for the exploitation of marine gas hydrates using thermal stimulation. The system includes solar cells, which are installed on the platform and a distributor with electric heaters. The solar module is connected with electric...

Persistent link: https://www.econbiz.de/10010675980

Designs and Architectures for the Next Generation of Organic Solar Cells

Liao, Kang-Shyang; Yambem, Soniya D.; Haldar, Amrita; … - In: Energies 3 (2010) 6, pp. 1212-1250

Organic solar cells show great promise as an economically and environmentally friendly technology to utilize solar energy because of their simple fabrication processes and minimal material usage. However, new innovations and breakthroughs are needed for organic solar cell technology to become...

Persistent link: https://www.econbiz.de/10010675988

Efficiently Harvesting Sun Light for Silicon Solar Cells through Advanced Optical Couplers and A Radial p-n Junction Structure

Lee, Hsin-Cheng; Wu, Shich-Chuan; Yang, Tien-Chung; … - In: Energies 3 (2010) 4, pp. 784-802

Silicon-based solar cells (SCs) promise to be an alternative energy source mainly due to: (1) a high efficiency-to-cost ratio, (2) the absence of environmental-degradation issues, and (3) great reliability. Transition from wafer-based to thin-film SC significantly reduces the cost of SCs,...

Persistent link: https://www.econbiz.de/10010676066

Residential Solar-Based Seasonal Thermal Storage Systems in Cold Climates: Building Envelope and Thermal Storage

Hugo, Alexandre; Zmeureanu, Radu - In: Energies 5 (2012) 10, pp. 3972-3985

The reduction of electricity use for heating and domestic hot water in cold climates can be achieved by: (1) reducing the heating loads through the improvement of the thermal performance of house envelopes, and (2) using solar energy through a residential solar-based thermal storage system....

Persistent link: https://www.econbiz.de/10010676130

Short-Term Power Forecasting Model for Photovoltaic Plants Based on Historical Similarity

Monteiro, Claudio; Santos, Tiago; Fernandez-Jimenez, L. … - In: Energies 6 (2013) 5, pp. 2624-2643

This paper proposes a new model for short-term forecasting of electric energy production in a photovoltaic (PV) plant. The model is called HIstorical SImilar MIning (HISIMI) model; its final structure is optimized by using a genetic algorithm, based on data mining techniques applied to...

Persistent link: https://www.econbiz.de/10011030751

Performance Evaluation of a Continuous Operation Adsorption Chiller Powered by Solar Energy Using Silica Gel and Water as the Working Pair

Hassan, Hassan Zohair - In: Energies 7 (2014) 10, pp. 6382-6400

In the present study, dynamic analysis and performance evaluation of a solar-powered continuous operation adsorption chiller are introduced. The adsorption chiller uses silica gel and water as the working pair. The developed mathematical model represents the heat and mass transfer within the...

Persistent link: https://www.econbiz.de/10011030774