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A Comparison of Wind Flow Models for Wind Resource Assessment in Wind Energy Applications
Gasset, Nicolas; Landry, Mathieu; Gagnon, Yves - In: Energies 5 (2012) 11, pp. 4288-4322
The objective of this work was to assess the accuracy of various coupled mesoscale-microscale wind flow modeling … mesoscale level, with a 5 km resolution, two scenarios are examined based on the Mesoscale Compressible Community Model (MC2 … (CWEAHD) scenario where high resolution land cover input data is used. A downscaling of the obtained mesoscale wind climate to …
Persistent link: https://www.econbiz.de/10011031345
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3-D CFD Modeling for Parametric Study in a 300-MWe One-Stage Oxygen-Blown Entrained-Bed Coal Gasifier
Park, Sang Shin; Jeong, Hyo Jae; Hwang, Jungho - In: Energies 8 (2015) 5, pp. 4216-4236
Three-dimensional computational fluid dynamics (CFD) modeling of the gasification performance in a one-stage, entrained … used various O<sub>2</sub>/coal and steam/coal ratios, and the modeling used a commercial code, ANSYS FLUENT. CFD modeling …-phase chemical reactions were solved with the Finite–Rate/Eddy–Dissipation Model. The CFD model was verified with actual operating …
Persistent link: https://www.econbiz.de/10011276471
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Impacts of Ventilation Ratio and Vent Balance on Cooling Load and Air Flow of Naturally Ventilated Attics
Wang, Shimin; Shen, Zhigang - In: Energies 5 (2012) 9, pp. 3218-3232
studied in this paper using an unsteady computational fluid dynamics (CFD) model. Buoyancy-driven turbulent ventilations in …
Persistent link: https://www.econbiz.de/10010668126
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The Impact of Roof Pitch and Ceiling Insulation on Cooling Load of Naturally-Ventilated Attics
Wang, Shimin; Shen, Zhigang; Gu, Linxia - In: Energies 5 (2012) 7, pp. 2178-2196
A 2D unsteady computational fluid dynamics (CFD) model is employed to simulate buoyancy-driven turbulent ventilation in …
Persistent link: https://www.econbiz.de/10010676134
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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
courtyards as passive energy saving systems. This work is based on the creation of a Computational Fluid Dynamics (CFD) numerical …
Persistent link: https://www.econbiz.de/10011030763
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Insight into Rotational Effects on a Wind Turbine Blade Using Navier–Stokes Computations
Herráez, Iván; Stoevesandt, Bernhard; Peinke, Joachim - In: Energies 7 (2014) 10, pp. 6798-6822
Rotational effects are known to influence severely the aerodynamic performance of the inboard region of rotor blades. The underlying physical mechanisms are however far from being well understood. The present work addresses this problem using Reynolds averaged Navier–Stokes computations and...
Persistent link: https://www.econbiz.de/10011030844
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Energy Saving Evaluation of the Ventilated BIPV Walls
Lai, Chi-Ming; Lin, Yi-Pin - In: Energies 4 (2011) 6, pp. 948-959
investigated via engineering considerations and computational fluid dynamics (CFD) simulations. The results show that the heat …
Persistent link: https://www.econbiz.de/10011030877
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Latest Developments in Numerical Wind Synopsis Prediction Using the RIAM-COMPACT<sup>®</sup> CFD Model—Design Wind Speed Evaluation and Wind Risk (Terrain-Induced Turbulence) Diagn...
Uchida, Takanori; Ohya, Yuji - In: Energies 4 (2011) 3, pp. 458-474
Generators (WTGs). We have developed a CFD model for unsteady flow called Research Institute for Applied Mechanics, Kyushu … University, COMputational Prediction of Airflow over Complex Terrain (RIAM-COMPACT<sup>®</sup>). The RIAM-COMPACT<sup>®</sup> CFD …
Persistent link: https://www.econbiz.de/10011030897
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Simulation of the Effect of Water Temperature on Domestic Biomass Boiler Performance
Gómez, Miguel A.; Comesaña, Roberto; Feijoo, Miguel … - In: Energies 5 (2012) 4, pp. 1044-1061
fluid dynamics (CFD) techniques. The models presented were used in the simulation of a domestic pellet boiler working under …
Persistent link: https://www.econbiz.de/10011031176
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Application and Comparison of Different Combustion Models of High Pressure LO<sub>X</sub>/CH<sub>4</sub> Jet Flames
Giorgi, Maria Grazia De; Sciolti, Aldebara; Ficarella, … - In: Energies 7 (2014) 1, pp. 477-497
The present work focuses on the numerical modeling of combustion in liquid-propellant rocket engines. Pressure and temperature are well above thermodynamic critical points of both the propellants and then the reactants show liquid-like characteristics of density and gas-like characteristics for...
Persistent link: https://www.econbiz.de/10011031204