A solution-based stall delay model for horizontal-axis wind turbines

Joshua Lyle Dowler, Sven Schmitz

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This work proposes a new solution-based stall delay model to predict rotational effects on horizontal-axis wind turbines. In contrast to conventional stall delay models that correct sectional airfoil data prior to the solution to account for three-dimensional and rotational effects, a novel approach is proposed that corrects sectional airfoil data during a blade element momentum solution algorithm by investigating solution-dependent parameters such as the spanwise circulation distribution and the local flow velocity acting at a section of blade. An iterative process is employed that successively modifies sectional lift and drag data until the blade circulation distribution is converged. Results obtained with the solution-based stall delay model show consistent good agreement with measured data along the National Renewable Energy Laboratory Phase VI and Model Experiments in Controlled Conditions rotor blades at low and high wind speeds.

Original languageEnglish (US)
Pages (from-to)1793-1813
Number of pages21
JournalWind Energy
Volume18
Issue number10
DOIs
StatePublished - Oct 1 2015

Fingerprint

Wind turbines
Airfoils
Flow velocity
Turbomachine blades
Drag
Momentum
Rotors
Experiments

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment

Cite this

Dowler, Joshua Lyle ; Schmitz, Sven. / A solution-based stall delay model for horizontal-axis wind turbines. In: Wind Energy. 2015 ; Vol. 18, No. 10. pp. 1793-1813.
@article{6924df7bfddf491cb95f4e10bd5cabf4,
title = "A solution-based stall delay model for horizontal-axis wind turbines",
abstract = "This work proposes a new solution-based stall delay model to predict rotational effects on horizontal-axis wind turbines. In contrast to conventional stall delay models that correct sectional airfoil data prior to the solution to account for three-dimensional and rotational effects, a novel approach is proposed that corrects sectional airfoil data during a blade element momentum solution algorithm by investigating solution-dependent parameters such as the spanwise circulation distribution and the local flow velocity acting at a section of blade. An iterative process is employed that successively modifies sectional lift and drag data until the blade circulation distribution is converged. Results obtained with the solution-based stall delay model show consistent good agreement with measured data along the National Renewable Energy Laboratory Phase VI and Model Experiments in Controlled Conditions rotor blades at low and high wind speeds.",
author = "Dowler, {Joshua Lyle} and Sven Schmitz",
year = "2015",
month = "10",
day = "1",
doi = "10.1002/we.1791",
language = "English (US)",
volume = "18",
pages = "1793--1813",
journal = "Wind Energy",
issn = "1095-4244",
publisher = "John Wiley and Sons Ltd",
number = "10",

}

A solution-based stall delay model for horizontal-axis wind turbines. / Dowler, Joshua Lyle; Schmitz, Sven.

In: Wind Energy, Vol. 18, No. 10, 01.10.2015, p. 1793-1813.

Research output: Contribution to journalArticle

TY - JOUR

T1 - A solution-based stall delay model for horizontal-axis wind turbines

AU - Dowler, Joshua Lyle

AU - Schmitz, Sven

PY - 2015/10/1

Y1 - 2015/10/1

N2 - This work proposes a new solution-based stall delay model to predict rotational effects on horizontal-axis wind turbines. In contrast to conventional stall delay models that correct sectional airfoil data prior to the solution to account for three-dimensional and rotational effects, a novel approach is proposed that corrects sectional airfoil data during a blade element momentum solution algorithm by investigating solution-dependent parameters such as the spanwise circulation distribution and the local flow velocity acting at a section of blade. An iterative process is employed that successively modifies sectional lift and drag data until the blade circulation distribution is converged. Results obtained with the solution-based stall delay model show consistent good agreement with measured data along the National Renewable Energy Laboratory Phase VI and Model Experiments in Controlled Conditions rotor blades at low and high wind speeds.

AB - This work proposes a new solution-based stall delay model to predict rotational effects on horizontal-axis wind turbines. In contrast to conventional stall delay models that correct sectional airfoil data prior to the solution to account for three-dimensional and rotational effects, a novel approach is proposed that corrects sectional airfoil data during a blade element momentum solution algorithm by investigating solution-dependent parameters such as the spanwise circulation distribution and the local flow velocity acting at a section of blade. An iterative process is employed that successively modifies sectional lift and drag data until the blade circulation distribution is converged. Results obtained with the solution-based stall delay model show consistent good agreement with measured data along the National Renewable Energy Laboratory Phase VI and Model Experiments in Controlled Conditions rotor blades at low and high wind speeds.

UR - http://www.scopus.com/inward/record.url?scp=84941095041&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84941095041&partnerID=8YFLogxK

U2 - 10.1002/we.1791

DO - 10.1002/we.1791

M3 - Article

AN - SCOPUS:84941095041

VL - 18

SP - 1793

EP - 1813

JO - Wind Energy

JF - Wind Energy

SN - 1095-4244

IS - 10

ER -