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Evapotranspiration Estimation with Remote Sensing and Various Surface Energy Balance Algorithms—A Review

Liou, Yuei-An; Kar, Sanjib Kumar - In: Energies 7 (2014) 5, pp. 2821-2849

With the advent of new satellite technology, the radiative energy exchanges between Sun, Earth, and space may now be quantified accurately. Nevertheless, much less is known about the magnitude of the energy flows within the climate system and at the Earth’s surface, which cannot be directly...

Persistent link: https://www.econbiz.de/10011030937

Parametric Study of Thermodynamics in the Mediterranean Courtyard as a Tool for the Design of Eco-Efficient Buildings

Rojas, Juan M.; Galán-Marín, Carmen; … - In: Energies 5 (2012) 7, pp. 2381-2403

Traditionally,<strong> </strong>people in the Mediterranean region knew that the temperatures in their courtyards were cooler in summer than outside temperature. This paper provides a quantitative study on the usefulness of Mediterranean courtyards as passive energy saving systems. This work is based on the...

Persistent link: https://www.econbiz.de/10011030763

Green-Roof Effects on Neighborhood Microclimate and Human Thermal Sensation

Peng, Lilliana L.H.; Jim, C. Y. - In: Energies 6 (2013) 2, pp. 598-618

exploration of the wider influence on neighborhood microclimate and human thermal comfort (HTC). This paper investigated the … subtropical Hong Kong. The microclimate models ENVI-met and RayMan permitted studies of two main green-roof scenarios, namely … ground to improve neighborhood microclimate. EGR reduced pedestrian-level air temperature by 0.4–0.7 °C, and IGR by 0 …

Persistent link: https://www.econbiz.de/10011031372

Shadow Replication: An Energy-Aware, Fault-Tolerant Computational Model for Green Cloud Computing

Cui, Xiaolong; Mills, Bryan; Znati, Taieb; Melhem, Rami - In: Energies 7 (2014) 8, pp. 5151-5176

As the demand for cloud computing continues to increase, cloud service providers face the daunting challenge to meet the negotiated SLA agreement, in terms of reliability and timely performance, while achieving cost-effectiveness. This challenge is increasingly compounded by the increasing...

Persistent link: https://www.econbiz.de/10010886252

Large-Scale Land Use for Construction and Energy Consumption after the New Millennium with Their Impact on Total-Factor Efficiency Change in China’s Regional Economy

Chen, Shiyi; Zhang, Shujian - In: Energies 7 (2014) 4, pp. 1986-2003

The rapid economic growth after the new millennium could be characterized by the reappearance of heavy industrialization and land urbanization. In the literatures, extensive studies have examined the impact of energy and emissions on the growth quality during the heavy industrialization process,...

Persistent link: https://www.econbiz.de/10011031409

Thermodynamic Rarity and the Loss of Mineral Wealth

Valero, Antonio; Valero, Alicia - In: Energies 8 (2015) 2, pp. 821-836

The second law of thermodynamics and, specifically, exergy analysis have been traditionally used for the assessment and optimization of energy systems. Nevertheless, as shown in this paper, exergy could also constitute a powerful tool for the evaluation of mineral commodities. That said, new or...

Persistent link: https://www.econbiz.de/10011133882

A Back-to-Back 2L-3L Grid Integration of a Marine Current Energy Converter

Apelfröjd, Senad; Ekström, Rickard; Thomas, Karin; … - In: Energies 8 (2015) 2, pp. 808-820

The paper proposes a back-to-back 2L-3L grid connection topology for a marine current energy converter. A prototype marine current energy converter has been deployed by a research group at Uppsala University. The concept behind the prototype revolves around a fixed pitch vertical axis turbine...

Persistent link: https://www.econbiz.de/10011133883

Reliability-Based Structural Optimization of Wave Energy Converters

Ambühl, Simon; Kramer, Morten; Sørensen, John Dalsgaard - In: Energies 7 (2014) 12, pp. 8178-8200

More and more wave energy converter (WEC) concepts are reaching prototypelevel. Once the prototype level is reached, the next step in order to further decrease thelevelized cost of energy (LCOE) is optimizing the overall system with a focus on structuraland maintenance (inspection) costs, as...

Persistent link: https://www.econbiz.de/10011096205

Numerical and Theoretical Investigations Concerning the Continuous-Surface-Curvature Effect in Compressor Blades

Song, Yin; Gu, Chun-Wei; Xiao, Yao-Bing - In: Energies 7 (2014) 12, pp. 8150-8177

Though the importance of curvature continuity on compressor blade performances has been realized, there are two major questions that need to be solved,<i> i.e.</i>, the respective effects of curvature continuity at the leading-edge blend point and the main surface, and the contradiction between the...

Persistent link: https://www.econbiz.de/10011096206

Thermal Performance Evaluation of Two Thermal Energy Storage Tank Design Concepts for Use with a Solid Particle Receiver-Based Solar Power Tower

El-Leathy, Abdelrahman; Jeter, Sheldon; Al-Ansary, Hany; … - In: Energies 7 (2014) 12, pp. 8201-8216

This paper presents the results of an extensive study of two thermal energy storage (TES) systems. The goal of the research is to make solar energy cost-competitive with other forms of electricity. A small-scale TES system was first built. The inner to outer layers were made of firebrick (FB),...

Persistent link: https://www.econbiz.de/10011096207