Harmonic Balance Navier–Stokes Analysis of Tidal Stream Turbine Wave Loads

Harmonic Balance Navier–Stokes Analysis of Tidal Stream Turbine Wave Loads
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潮汐流涡轮机波浪载荷的谐波平衡纳维-斯托克斯分析

DOI:
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发表时间:
2019
期刊:
Recent Advances in CFD for Wind and Tidal Offshore Turbines
影响因子:
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通讯作者:
A. Arnone
A. Arnone
中科院分区:
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文献类型:
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作者:
A. Cavazzini;M. Campobasso;M. Marconcini;R. Pacciani;A. Arnone

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ARCTIC 是一种新颖的不可压缩雷诺平均纳维斯托克斯有限体积代码,用于开式转子非定常载荷的流体动力学分析。其独特功能之一是谐波平衡求解器,能够对涡轮机周期性水动力载荷进行高保真分析,运行时间比传统时域 CFD 减少一个数量级以上,并且精度损失可以忽略不计。通过使用谐波平衡和时域求解器分析实际潮汐流涡轮机的负载波动,证明了新技术的优势。这种波动是由自由流速度的谐波扰动引起的,类似于表面重力波引起的扰动。
ARCTIC, a novel incompressible Reynolds–averaged Navier–Stokes finite volume code for the hydrodynamic analysis of open rotor unsteady loads is presented. One of its unique features is a harmonic balance solver enabling high–fidelity analyses of turbine periodic hydrodynamic loads with runtimes reduced by more than one order of magnitude over conventional time–domain CFD, and with negligible accuracy penalty. The strength of the new technology is demonstrated by analyzing with both harmonic balance and time–domain solvers the load fluctuations of a realistic tidal stream turbine. Such fluctuations are caused by a harmonic perturbation of the freestream velocity similar to that due to surface gravity waves.
基于谐波平衡可压缩纳维-斯托克斯方程低速预处理的水平轴风力机翼型非定常流分析
DOI: 10.1115/gt2011-45303
发表时间: 2011
期刊: --
影响因子: --
作者:
Campobasso M
通讯作者: Campobasso M