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Letter
Journal of Turbulence ( IF 1.5 ) Pub Date : 2019-01-02 , DOI: 10.1080/14685248.2019.1585421
Ugo Piomelli 1
Affiliation  

Dear Readers, We begin 2019, the 20th year of publication of the Journal of Turbulence, with a Special Issue onWind Energy. Over the next years, the journal will publish several thematic issues such as this, to highlight topics that, in the opinion of the Editorial Board, are interesting, important and timely. They will be anchored by a review article, and contain a number of technical papers. The inaugural Thematic Issue is opened by a thought-provoking article byCharlesMeneveau (a former Editor-in-Chief of this journal), who poses seven questions for turbulence research in this area. They address topics of varying degree of complexity, from the development of analytical models to the integration of wind-farm simulations with geophysical models, and point out directions in which turbulence research could result in significant improvements in design and analysis capabilities. Three technical papers complete the Special Issue. They illustrate how field experiments, wind tunnel experiments and numerical simulations can be used in complementary fashion to understand the complex physics of turbulence in wind farms. Tobin and Chamorro discuss the results of wind-tunnel experiments aimed at understanding how turbulence is affected when passing through a rotor. By cross-correlating the velocity fluctuations measured synchronously upstream and downstream of the rotor, they determine the dispersion of different time-scales. Ali and co-workers present the numerical results obtained from large-eddy simulations of wind farms in thermally stratified conditions. They examine the budgets of turbulent kinetic energy (TKE), and perform quadrant analysis of the data, to find the effects of stable and unstable conditions on the mechanisms that govern the TKE. Archer and co-workers describe a field-measurement campaign, the VERTEX campaign, carried out in Delaware in 2016, to study the effect of wind turbines on surface properties. The methodology used to obtain and post-process the data is described in detail, and two case studies illustrate how these data can be used to determine the vertical mixing in the wake of the turbine. The Editorial Board hopes that you, the Readers, will find these Thematic Issues interesting and stimulating. We would be happy to entertain suggestions for future topics. Sincerely, Ugo Piomelli, Editor in Chief

中文翻译:

信件

亲爱的读者, 2019 年是《湍流杂志》出版的第 20 个年头,我们以风能特刊开始。在接下来的几年里,该杂志将出版几个这样的主题,以突出编辑委员会认为有趣、重要和及时的主题。它们将以评论文章为基础,并包含许多技术论文。CharlesMeneveau(该杂志的前任主编)发表了一篇发人深省的文章,为该领域的湍流研究提出了七个问题,从而开启了首期专题。它们涉及不同复杂程度的主题,从分析模型的开发到风电场模拟与地球物理模型的集成,并指出湍流研究可以显着提高设计和分析能力的方向。三篇技术论文完成了特刊。它们说明了如何以互补的方式使用现场实验、风洞实验和数值模拟来了解风电场湍流的复杂物理学。Tobin 和 Chamorro 讨论了旨在了解湍流通过转子时如何影响的风洞实验结果。通过对转子上游和下游同步测量的速度波动进行互相关,它们确定了不同时间尺度的分散。Ali 及其同事展示了从热分层条件下风电场的大涡模拟中获得的数值结果。他们检查湍流动能 (TKE) 的预算,并对数据进行象限分析,以发现稳定和不稳定条件对控制 TKE 机制的影响。Archer 及其同事描述了 2016 年在特拉华州开展的实地测量活动,即 VERTEX 活动,以研究风力涡轮机对表面特性的影响。详细描述了用于获取和后处理数据的方法,两个案例研究说明了如何使用这些数据来确定涡轮机尾流中的垂直混合。编委会希望您,读者,会发现这些专题很有趣,也很刺激。我们很乐意接受对未来主题的建议。此致,主编 Ugo Piomelli 找出稳定和不稳定条件对 TKE 管理机制的影响。Archer 及其同事描述了 2016 年在特拉华州开展的实地测量活动,即 VERTEX 活动,以研究风力涡轮机对表面特性的影响。详细描述了用于获取和后处理数据的方法,两个案例研究说明了如何使用这些数据来确定涡轮机尾流中的垂直混合。编委会希望您,读者,会发现这些专题很有趣,也很刺激。我们很乐意接受对未来主题的建议。此致,主编 Ugo Piomelli 找出稳定和不稳定条件对 TKE 管理机制的影响。Archer 和同事描述了 2016 年在特拉华州开展的实地测量活动,即 VERTEX 活动,以研究风力涡轮机对表面特性的影响。详细描述了用于获取和后处理数据的方法,两个案例研究说明了如何使用这些数据来确定涡轮机尾流中的垂直混合。编委会希望您,读者,会发现这些专题很有趣,也很刺激。我们很乐意接受对未来主题的建议。此致,主编 Ugo Piomelli 2016 年在特拉华州进行,研究风力涡轮机对表面特性的影响。详细描述了用于获取和后处理数据的方法,两个案例研究说明了如何使用这些数据来确定涡轮机尾流中的垂直混合。编委会希望您,读者,会发现这些专题很有趣,也很刺激。我们很乐意接受对未来主题的建议。此致,主编 Ugo Piomelli 2016 年在特拉华州进行,研究风力涡轮机对表面特性的影响。详细描述了用于获取和后处理数据的方法,两个案例研究说明了如何使用这些数据来确定涡轮机尾流中的垂直混合。编委会希望您,读者,会发现这些专题很有趣,也很刺激。我们很乐意接受对未来主题的建议。此致,主编 Ugo Piomelli 会发现这些专题很有趣,也很刺激。我们很乐意接受对未来主题的建议。此致,主编 Ugo Piomelli 会发现这些专题很有趣,也很刺激。我们很乐意接受对未来主题的建议。此致,主编 Ugo Piomelli
更新日期:2019-01-02
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