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Contents IX<br />

8.4 NumericalAnalysis ........................................ 44<br />

8.5 ResultsandAnalysis....................................... 44<br />

8.5.1 Comparaison with the Manufacturer . . . . . . . . . . . . . . . . . . 44<br />

8.5.2 Influence on the <strong>Wind</strong> Turbine Control . . . . . . . . . . . . . . . 44<br />

8.5.3 Influence of the Terrain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45<br />

8.5.4 Numerical Validation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45<br />

8.6 Conclusion ............................................... 46<br />

References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47<br />

9 Pollutant Dispersion in Flow Around Bluff-Bodies<br />

Arrangement<br />

El˙zbieta Moryń-Kucharczyk and Renata Gnatowska .................. 49<br />

9.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49<br />

9.2 ResultsofMeasurements ................................... 50<br />

9.3 Conclusions............................................... 52<br />

References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52<br />

10 On the Atmospheric Flow Modelling over Complex Relief<br />

Ivo Sládek, Karel Kozel and Zbyňek Jaňour ........................ 55<br />

10.1 Mathematical Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55<br />

10.1.1 Turbulence Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56<br />

10.1.2 Boundary Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56<br />

10.1.3 Numerical Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56<br />

10.2 Definition of the Computational Case . . . . . . . . . . . . . . . . . . . . . . . . 57<br />

10.2.1 Some Numerical Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58<br />

10.3 Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59<br />

References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59<br />

11 Comparison of Logarithmic <strong>Wind</strong> Profiles and Power<br />

Law <strong>Wind</strong> Profiles and their Applicability for Offshore<br />

<strong>Wind</strong> Profiles<br />

Stefan Emeis and Matthias Türk .................................. 61<br />

11.1 <strong>Wind</strong> Profile Laws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61<br />

11.2 Comparison of Profile Laws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61<br />

11.3 Application to Offshore <strong>Wind</strong> Profiles . . . . . . . . . . . . . . . . . . . . . . . . 62<br />

11.4 Conclusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64<br />

References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64<br />

12 Turbulence Modelling and Numerical Flow Simulation<br />

of Turbulent Flows<br />

Claus Wagner .................................................. 65<br />

12.1 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65<br />

12.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65<br />

12.3 Governing Equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66<br />

12.4 Direct Numerical Simulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67<br />

12.5 Statistical Turbulence Modelling . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

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