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Dynamic Hybrid Model for Short-Term Electricity Price Forecasting
Cerjan, Marin; Matijaš, Marin; Delimar, Marko - In: Energies 7 (2014) 5, pp. 3304-3318
Accurate forecasting tools are essential in the operation of electric power systems, especially in deregulated electricity markets. Electricity price forecasting is necessary for all market participants to optimize their portfolios. In this paper we propose a hybrid method approach for...
Persistent link: https://www.econbiz.de/10011031407
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Potential Bioethanol Feedstock Availability Around Nine Locations in the Republic of Ireland
Deverell, Rory; McDonnell, Kevin; Devlin, Ger - In: Energies 2 (2009) 1, pp. 120-133
The Republic of Ireland, like many other countries is trying to diversify energy sources to counteract environmental … fuel that can potentially go towards meeting the goal of diversified energy supply. The Republic of Ireland’s distribution … of feedstock that is available in the hinterlands of nine locations in the Republic of Ireland. The results indicate that …
Persistent link: https://www.econbiz.de/10010668161
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How Technology Can Improve the Efficiency of Excavator-Based Cable Harvesting for Potential Biomass Extraction—A Woody Productivity Resource and Cost Analysis for Ireland
Devlin, Ger; Klvač, Radomír - In: Energies 7 (2014) 12, pp. 8374-8395
sites in Ireland based on productive machine hour (PMH) and unit cost of operation (€/m<sup>3</sup>). Three operational … a two man crew (choker setter and carriage operator). The study aims to assess how operations in Ireland perform against … mechanised felling, has a future given the increased demand for wood fibre in Ireland, both from the sawmilling industries and …
Persistent link: https://www.econbiz.de/10011098681
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Biofuel Production in Ireland—An Approach to 2020 Targets with a Focus on Algal Biomass
Murphy, Fionnuala; Devlin, Ger; Deverell, Rory; … - In: Energies 6 (2013) 12, pp. 6391-6412
Under the Biofuels Obligation Scheme in Ireland, the biofuels penetration rate target for 2013 was set at 6% by volume … Ireland for biodiesel was 2.3% and for bioethanol was 3.7% which equates to approximately 37.5 million L of biofuel for the …>. Achieving the biofuels target would require 345 ktoe by 2020 (14,400 TJ). Utilizing the indigenous biofuels in Ireland such as …
Persistent link: https://www.econbiz.de/10011030859
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Circuit Simulation for Solar Power Maximum Power Point Tracking with Different Buck-Boost Converter Topologies
Shiau, Jaw-Kuen; Lee, Min-Yi; Wei, Yu-Chen; Chen, Bo-Chih - In: Energies 7 (2014) 8, pp. 5027-5046
The power converter is one of the essential elements for effective use of renewable power sources. This paper focuses on the development of a circuit simulation model for maximum power point tracking (MPPT) evaluation of solar power that involves using different buck-boost power converter...
Persistent link: https://www.econbiz.de/10010884951
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Geophysical Methods for Monitoring Temperature Changes in Shallow Low Enthalpy Geothermal Systems
Hermans, Thomas; Nguyen, Frédéric; Robert, Tanguy; … - In: Energies 7 (2014) 8, pp. 5083-5118
Low enthalpy geothermal systems exploited with ground source heat pumps or groundwater heat pumps present many advantages within the context of sustainable energy use. Designing, monitoring and controlling such systems requires the measurement of spatially distributed temperature fields and the...
Persistent link: https://www.econbiz.de/10010885348
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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
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Comparison Between Wind Power Prediction Models Based on Wavelet Decomposition with Least-Squares Support Vector Machine (LS-SVM) and Artificial Neural Network (ANN)
Giorgi, Maria Grazia De; Campilongo, Stefano; … - In: Energies 7 (2014) 8, pp. 5251-5272
A high penetration of wind energy into the electricity market requires a parallel development of efficient wind power forecasting models. Different hybrid forecasting methods were applied to wind power prediction, using historical data and numerical weather predictions (NWP). A comparative study...
Persistent link: https://www.econbiz.de/10010886253
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Dialectic Form Finding of Passive and Adaptive Shading Enclosures
Adriaenssens, Sigrid; Rhode-Barbarigos, Landolf; … - In: Energies 7 (2014) 8, pp. 5201-5220
Form finding describes the process of finding a stable equilibrium shape for a system under a specific set of loads, for a set of boundary conditions and starting from an arbitrary initial geometry. However, form finding does not traditionally involve performance constraints such as...
Persistent link: https://www.econbiz.de/10010886254
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Finite Element Method Modeling of Sensible Heat Thermal Energy Storage with Innovative Concretes and Comparative Analysis with Literature Benchmarks
Ferone, Claudio; Colangelo, Francesco; Frattini, Domenico; … - In: Energies 7 (2014) 8, pp. 5291-5316
Efficient systems for high performance buildings are required to improve the integration of renewable energy sources and to reduce primary energy consumption from fossil fuels. This paper is focused on sensible heat thermal energy storage (SHTES) systems using solid media and numerical...
Persistent link: https://www.econbiz.de/10010887128