Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

Published

**Turbulent unsteady flow analysis of horizontal axis wind turbine airfoil aerodynamics based on the harmonic balance Reynolds-Averaged Navier-Stokes equations.** / Campobasso, Sergio; Gigante, Fabio; Drofelnik, Jernej.

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

Campobasso, S, Gigante, F & Drofelnik, J 2014, Turbulent unsteady flow analysis of horizontal axis wind turbine airfoil aerodynamics based on the harmonic balance Reynolds-Averaged Navier-Stokes equations. in *ASME Turbo Expo 2014: turbine technical conference and exposition: oil and gas applications; organic rankine cycle power systems; supercritical CO2 power cycles; wind energy.* vol. 3B, GT2014-25559, The American Society of Mechanical Engineers. https://doi.org/10.1115/GT2014-25559

Campobasso, S., Gigante, F., & Drofelnik, J. (2014). Turbulent unsteady flow analysis of horizontal axis wind turbine airfoil aerodynamics based on the harmonic balance Reynolds-Averaged Navier-Stokes equations. In *ASME Turbo Expo 2014: turbine technical conference and exposition: oil and gas applications; organic rankine cycle power systems; supercritical CO2 power cycles; wind energy *(Vol. 3B). [GT2014-25559] The American Society of Mechanical Engineers. https://doi.org/10.1115/GT2014-25559

Campobasso S, Gigante F, Drofelnik J. Turbulent unsteady flow analysis of horizontal axis wind turbine airfoil aerodynamics based on the harmonic balance Reynolds-Averaged Navier-Stokes equations. In ASME Turbo Expo 2014: turbine technical conference and exposition: oil and gas applications; organic rankine cycle power systems; supercritical CO2 power cycles; wind energy. Vol. 3B. The American Society of Mechanical Engineers. 2014. GT2014-25559 https://doi.org/10.1115/GT2014-25559

@inproceedings{9d91dbaaf4054a8db2329f8ca2302f05,

title = "Turbulent unsteady flow analysis of horizontal axis wind turbine airfoil aerodynamics based on the harmonic balance Reynolds-Averaged Navier-Stokes equations",

abstract = "Several horizontal axis wind turbine unsteady ﬂows, such asthat associated with the yawed wind regime, are predominantly periodic. Harmonic balance Reynolds-averaged Navier-Stokes solvers can be used to accurately analyze such ﬂows substantially faster than what their time-domain counterparts can do. The paper presents the mathematical and numerical features of a new turbulent harmonic balance Navier-Stokes solver using Menter{\textquoteright}s shear stress transport model for the turbulence closure. The effectiveness of the developed technology is demonstrated by using two-dimensional harmonic balance ﬂow simulations to determine the periodic aerodynamic loads acting on a blade section of a 164 m-diameter wind turbine rotor in yawed wind. Presented results highlight that the turbulent harmonic balance solver can compute the sectional hysteresis force cycles more than 10 times faster than its time-domain counterpart, and with an accuracy comparable to that of the time-domain solver.",

keywords = "Aerodynamics, Turbulence, Navier-Stokes equations, Unsteady flow, Horizontal axis wind, Tubines, Airfoils",

author = "Sergio Campobasso and Fabio Gigante and Jernej Drofelnik",

year = "2014",

doi = "10.1115/GT2014-25559",

language = "English",

volume = "3B",

booktitle = "ASME Turbo Expo 2014: turbine technical conference and exposition",

publisher = "The American Society of Mechanical Engineers",

}

TY - GEN

T1 - Turbulent unsteady flow analysis of horizontal axis wind turbine airfoil aerodynamics based on the harmonic balance Reynolds-Averaged Navier-Stokes equations

AU - Campobasso, Sergio

AU - Gigante, Fabio

AU - Drofelnik, Jernej

PY - 2014

Y1 - 2014

N2 - Several horizontal axis wind turbine unsteady ﬂows, such asthat associated with the yawed wind regime, are predominantly periodic. Harmonic balance Reynolds-averaged Navier-Stokes solvers can be used to accurately analyze such ﬂows substantially faster than what their time-domain counterparts can do. The paper presents the mathematical and numerical features of a new turbulent harmonic balance Navier-Stokes solver using Menter’s shear stress transport model for the turbulence closure. The effectiveness of the developed technology is demonstrated by using two-dimensional harmonic balance ﬂow simulations to determine the periodic aerodynamic loads acting on a blade section of a 164 m-diameter wind turbine rotor in yawed wind. Presented results highlight that the turbulent harmonic balance solver can compute the sectional hysteresis force cycles more than 10 times faster than its time-domain counterpart, and with an accuracy comparable to that of the time-domain solver.

AB - Several horizontal axis wind turbine unsteady ﬂows, such asthat associated with the yawed wind regime, are predominantly periodic. Harmonic balance Reynolds-averaged Navier-Stokes solvers can be used to accurately analyze such ﬂows substantially faster than what their time-domain counterparts can do. The paper presents the mathematical and numerical features of a new turbulent harmonic balance Navier-Stokes solver using Menter’s shear stress transport model for the turbulence closure. The effectiveness of the developed technology is demonstrated by using two-dimensional harmonic balance ﬂow simulations to determine the periodic aerodynamic loads acting on a blade section of a 164 m-diameter wind turbine rotor in yawed wind. Presented results highlight that the turbulent harmonic balance solver can compute the sectional hysteresis force cycles more than 10 times faster than its time-domain counterpart, and with an accuracy comparable to that of the time-domain solver.

KW - Aerodynamics

KW - Turbulence

KW - Navier-Stokes equations

KW - Unsteady flow

KW - Horizontal axis wind

KW - Tubines

KW - Airfoils

U2 - 10.1115/GT2014-25559

DO - 10.1115/GT2014-25559

M3 - Conference contribution/Paper

VL - 3B

BT - ASME Turbo Expo 2014: turbine technical conference and exposition

PB - The American Society of Mechanical Engineers

ER -