Detail of GB/Z 44048-2024

Introduction of GB/Z 44048-2024

GB/Z 44048-2024 Wind energy generation systems - Numerical site calibration for power performance testing of wind turbines 1 Scope This document summarizes the current state of the art in numerical flow modelling, existing guidelines and past benchmarking experience in numerical model validation and verification. Based on the work undertaken, the document identifies the important technical aspects for using flow simulation over terrain for wind application as well as the existing open issues including recommendations for further validation through benchmarking tests. This document is applicable to the calibration of the test site for power performance of wind turbines in wind farms. 2 Normative references There are no normative references in this document. 3 Terms, definitions, abbreviated terms and symbols 3.1 Terms and definitions No terms and definitions are listed in this document. 3.2 Abbreviated terms The following abbreviated terms are used in this document. AIAA American Institute of Aeronautics and Astronautics ABL Atmospheric Boundary Layer AEP Annual Energy Production AIJ Architectural Institute of Japan ALEX17 Alaiz Experiment 2017 ASME American Society of Mechanical Engineers CEDVAL Compilation and Experimental Data for Validation of Microscale Dispersion Models CFD Computational Fluid Dynamics CHT Computational Heat Transfer COST European Cooperation in Science and Technology CREYAP Comparative Resource and Energy Yield Assessment Procedures DES Detached Eddy Simulation DDES delayed Detached Eddy Simulation DEWI Deutsches Windenergie - Institute DTU Danish Technical University EWEA European Wind Energy Association EWTL Environmental Wind Tunnel Laboratory FCF Flow Correction Factor GWH Gigawatt-hour IEA International Energy Agency IEC International Electrotechnical Commission LES Large Eddy Simulation LIDAR Light Detection and Ranging MEASNET Measuring Network of Wind Energy Institutes MEP Model Evaluation Protocol NEWA New European Wind Atlas NSC Numerical Site Calibration RANS Reynolds-averaged Navier-Stokes RNG Renormalization Group SC Site Calibration SODAR Sound Detection and Ranging TC Technical Committee TR Technical Report UQ Uncertainty Quantification URANS Unsteady Reynolds-averaged Navier-Stokes V&V Verification and Validation VDI Verein Deutscher Ingenieure WAsP Wind Atlas Analysis and Application Program WFIP Wind Forecast Improvement Project WTG Wind Turbine Generator 3.3 Symbols and units Table 1 shows the symbols used in the text and equations in this document.

Contents of GB/Z 44048-2024