2010
Castelli, Marco Raciti; Pavesi, Giorgio; Battisti, Lorenzo; Benini, Ernesto; Ardizzon, Guido
Modeling Strategy and Numerical Validation for a Darrieus Vertical Axis Micro-Wind Turbine Proceedings Article
In: International Mechanical Engineering Congress & Exposition (IMECE2010), pp. pp. 409 - 418, American Society of Mechanical Engineers (ASME), 2010, ISBN: 9780791844441.
Abstract | Links | BibTeX | Tags: Darrieus, mesh, Numerical simulation, RANS
@inproceedings{Castelli2010,
title = {Modeling Strategy and Numerical Validation for a Darrieus Vertical Axis Micro-Wind Turbine},
author = {Marco Raciti Castelli and Giorgio Pavesi and Lorenzo Battisti and Ernesto Benini and Guido Ardizzon},
url = {https://doi.org/10.1115/IMECE2010-39548},
doi = {10.1115/IMECE2010-39548},
isbn = {9780791844441},
year = {2010},
date = {2010-01-01},
booktitle = {International Mechanical Engineering Congress & Exposition (IMECE2010)},
volume = {Vol. 7},
issue = {IMECE2010-39548},
pages = {pp. 409 - 418},
publisher = {American Society of Mechanical Engineers (ASME)},
abstract = {This paper presents a model for the evaluation of optimal spatialŋrid node distribution in the CFD analysis of a Darrieus verticalnaxis micro wind turbine, by analyzing the trends over a 360� rotationnof some indicators of near-blade mesh quality. To this purpose, ancomplete validation campaign has been conducted through a systematicncomparison of numerical simulations with wind tunnel experimentalndata. Both two-dimensional and three-dimensional grids, characterizednby average y+ values of 30 and 1, have been tested by applying somenstatistical techniques as a guidance in selecting the appropriateŋrid configuration and corresponding turbulence model. Finally, thentip downstream recirculation zone due to the finite blade extensionnand the influence of spokes have been analyzed, achieving a numericalnquantification of the influence of induced drag and spokes drag onnoverall rotor performance.},
keywords = {Darrieus, mesh, Numerical simulation, RANS},
pubstate = {published},
tppubtype = {inproceedings}
}
This paper presents a model for the evaluation of optimal spatialŋrid node distribution in the CFD analysis of a Darrieus verticalnaxis micro wind turbine, by analyzing the trends over a 360� rotationnof some indicators of near-blade mesh quality. To this purpose, ancomplete validation campaign has been conducted through a systematicncomparison of numerical simulations with wind tunnel experimentalndata. Both two-dimensional and three-dimensional grids, characterizednby average y+ values of 30 and 1, have been tested by applying somenstatistical techniques as a guidance in selecting the appropriateŋrid configuration and corresponding turbulence model. Finally, thentip downstream recirculation zone due to the finite blade extensionnand the influence of spokes have been analyzed, achieving a numericalnquantification of the influence of induced drag and spokes drag onnoverall rotor performance.
