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1、付 斌 Fu Bin中国首席代表 系统工程师China Chief Representative - System Engineer,法国美迪公司简介Meteodyn company introduction 法国美迪公司在国外承担的大型项目 Meteodyn worldwide projects 法国美迪WT软件及技术meteodyn WT software Class 2 corresponds to a neutral behaviour,About the modeling,技术内容及工具 Technical aspects and tool,技术内容及工具 Technical asp
2、ects and tool,网格自动生产 AUTOMATIC MESH GENERATION I/ 表面网格,技术内容及工具 Technical aspects,网格自动生产 AUTOMATIC MESH GENERATION II/ 体积网格,Typical vertical resolution: 4 meters,Hmesh=max( 2800 ; Zmin + 5*(Zmax-Zmin) ),I/ 地表边界条件 :自动生成 没有林区 有林区,Surfacic sink term introduced in the momentum equations (only for the cel
3、ls lying on the ground). CS computed as function of: Local roughness of the cell Thermal stability,Volumic sink term introduced in the momentum equations (for all the cells lying inside the forest). Cd depending to the forest density,技术内容及工具 Technical aspects,边界条件BOUNDARY CONDITIONS,I/ 地表边界条件 有林区树木体
4、积,树木高度= 30*粗糙度,技术内容及工具 Technical aspects,边界条件BOUNDARY CONDITIONS,I/ 地表边界条件 林区对风廓线的影响,技术内容及工具 Technical aspects,边界条件BOUNDARY CONDITIONS,Solver MIGAL by MFRDC, adapted and calibrated Finite-Volume on mono-bloc structured grids Multi-grid Coupled solution (U,V,W,P) GMRES acceleration First Order convec
5、tion scheme 106 points 1 Go RAM 106 points = 20 minutes Optimized convergence parameters 64-bit version : no limitation on the number of points to be computed !,MIGAL求解器 MIGAL SOLVER,技术内容及工具 Technical aspects,风数据处理 WIND DATA HANDLING,技术内容及工具 Technical aspects,尾流效应WAKE EFFECTS,技术内容及工具 Technical aspec
6、ts,Mesoscale turbulence cant be taken into account during the computations! 一般软件在计算中不考虑中尺度湍流影响 Forest model often leads to overestimation of the turbulence intensity. 森林模型会导致过高评估湍流强度 Available now: turbulence correction thanks to measured directional turbulence intensities. 湍流校正是根据定向湍流强度测量的结果来进行校正 A
7、vailable now : handling of measured turbulence matrixes as input file to get turbulence matrixes at the points of interest. 把测量的湍流矩阵作为输入数据，以此得到结果点的湍流矩阵,DELTA_I(dir)= Imes(dir) Icalcm(dir) Icorp(dir) = Icalcp(dir) + DELTA_I(dir) * Cm(dir) / Cp(dir),湍流校正TURBULENCE CORRECTION,技术内容及工具 Technical aspects,
8、A different synthesis for each met mast 对每一个测风塔分别进行不同的综合计算 Compiling of synthesis results: results are weighted according to squared distances to the masts 对每个测风塔的综合结果进行综合：以不同测风塔距离风电机的距离平方的倒数为权重,多测风塔综合MULTI-MAST SYNTHESIS,技术内容及工具 Technical aspects,一旦资源绘图计算完成,用户可以在此资源绘图的基础上进行微观选址的操作,不需要重新进行CFD计算. Onc
9、e the resource grid is computed, the micrositing is done on this basis, no need to run CFD computations again.,微观选址模块MICROSITING MODULE,技术内容及工具 Technical aspects,Google Earth中的演示Google Earth Demonstration,可以直接将各种变量图层导入Google earth中，方便客户查看及比对。 WT can import many layers into Google earth directly, the
10、 user can check them and compare them.,案例一 ： ASKERVEIN 小山 CASE STUDY 1 : ASKERVEIN HILL 法国美迪WT与测量相对 meteodynWT vs Measurements 标准确认试验Standard validation case 许多测量数据Lots of measurement data 盛行风方向:210 Prevailing wind direction : 210,案例Validation tests,技术内容及工具 Technical aspects,案例 Validation tests,技术内容
11、及工具 Technical aspects,在三条测量线的210度方向，法国美迪WT计算结果与均风速测量之间的对比 For the 210 degrees direction, and the three measurement lines, the comparison between meteodynWT results and mean wind speed measurements.,技术内容及工具 Technical aspects,案例二 ： 河北项目 (中国) CASE STUDY 2 : HEBEI (CHINA) 法国美迪WT与测量相对 meteodynWT vs Measu
12、rements 地形非常复杂(z 1000 米) Topography very complex (z 1000 meters) 140平方公里 140 square kilometers 4个测风塔 4 met masts,技术内容及工具 Technical aspects,技术内容及工具 Technical aspects,技术内容及工具 Technical aspects,定向结果 (湍流强度) : 350 Directional results (Turbulent intensity) : 350,定向结果 : 350,技术内容及工具 Technical aspects,参考测风塔
13、: W2 (70 m) 目标测风塔 : E1 (70 m), W1 (10 m), W3 (10 m),技术内容及工具 Technical aspects,技术内容及工具 Technical aspects,案例三 ： 东北项目 (中国) CASE STUDY 3 : DONGBEI (CHINA) 法国美迪WT与WAsP比对 meteodynWT vs WAsP 地形非常复杂 (z 500 米) Topography extremely complex (z 500 meters) 该试验是由龙源集团提供 Real Wind Production data supplied by Longy
14、uan 该报告即将发表 Published recently in research reports,技术内容及工具 Technical aspects,根据WASP计算出来的资源绘图做的布机方案 Micrositing based on WASP computations,通过WASP,1号区,2号区及3号区是风能资源最丰富的区域 Based on WASP, zones 1, 2 and 3 are the most energy producing areas,技术内容及工具 Technical aspects,根据美迪WT计算出来的资源绘图 Wind resource mapping
15、based on meteodynWT computations,通过美迪WT :1号区并不 是一个风能资源丰富的区域 Based on meteodynWT, zone 1 is not an important energy producing area,技术内容及工具 Technical aspects,1号区风机的平均发电量不到Wasp预估电量的50% 而美迪WT计算1号区风机的电量跟评估风功率密度分布一样,案例四 ：Suzlon项目 CASE STUDY 4 : Suzlon Project,法国美迪WT的特长 SPECIFICITIES OF METEODYNWT,垂直廓线 Ver
16、tical profile 湍流强度 Turbulence intensity 入流角 Inflow angle 多测风塔插值Multi-mast interpolation 极风速计算 Extreme wind speed computation 生产时间序列 Production time series 风电场的三维可视化3D visualization of the wind farm,技术特长与优势 Technology Specificities & advantages,场址每点的垂直廓线 Vertical profile on every point of the site 在安装之前，核对测风塔的风廓线 Check the wind profile at the met mast before installing it 场址每点的湍流强度和入流角 Turbulent intensity & Inflow angle on every point of the site 安装测风塔之前，计算湍流和入流角 Cal
