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Evaluation of/all office building form to enhance wind energy production in building integrated wind turbine, a performance based approach for early design stage

机译：评估/提高办公综合风力涡轮机中风能产量的所有办公建筑形式，这是早期设计阶段基于性能的方法

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摘要

A newly emerging way to promote sustainability in the built environment is through the incorporation of wind power within buildings, resulting in minimum transmission losses (distributed generation). However, the effectiveness of the proposed solutions are seriously dependent on early integration with the architectural design process.;Wind power is considered a potential renewable energy source in tall buildings due to the possibility of accessing greater wind velocities at higher altitudes. In addition, airflow patterns around buildings are considerably influenced by a buildings' geometric characteristics. Hypothetically, proper modification of building form can turn this unstructured phenomenon in to a massive concentrator effect, capable of boosting power production in tall buildings with an integrated wind turbine (BIWT).;These aerodynamic modifications are typically evaluated via CFD simulation or wind tunnel testing. However, these methods are too expensive and time-consuming to analyze all annual fluctuations of local wind regimes (velocity, direction, and density) and is therefore inappropriate for use in early design stages when architectural concepts quickly evolve. As a result, existing wind analysis techniques are often used under simplified conditions (steady state analysis, single velocity, and angle). This approach simply disregards the wide variety of other criteria influencing "BIWT annual energy output" including fluctuations of local wind regimes, and surrounding urban terrain roughness.;This research seeks to address the issues indicated above, and proposes a performance based parametric design tool, primarily for the early design stages when architectural concepts evolve rapidly. The automated output delivers real time assessment of BIWT potential energy enhancement for each alternation of the concept, as well as analysis of multiple BIWT typologies simultaneously.;The parametric tool employs hourly weather data, different terrain condition mathematical models, and two databases of CFD measurements to approximate annual energy enhancement as result of BIWT geometrical transformations.;The tool develops a decision mechanism to find the best BIWT typology and optimum angle, based on the long-term local climatic trends and adjacent terrain context. The outcome of this dissertation is an automated parametric tool which addresses all above indicated difficulties associated with incorporation of current wind analysis method and the architectural design process of BIWT.
机译：在建筑环境中提高可持续性的一种新兴方法是通过将风能纳入建筑物内，从而将传输损耗（分布式发电）降至最低。但是，所提出的解决方案的有效性严重取决于与建筑设计过程的早期集成。风能被认为是高层建筑中潜在的可再生能源，因为它可以在更高的高度获得更大的风速。另外，建筑物周围的气流模式在很大程度上受建筑物的几何特性影响。假设地，对建筑形式的适当修改可以使这种非结构化的现象变成巨大的集中效应，从而能够通过集成风力涡轮机（BIWT）促进高层建筑的发电。这些空气动力学的修改通常通过CFD模拟或风洞测试进行评估。但是，这些方法过于昂贵和费时，无法分析局部风况的所有年度波动（速度，方向和密度），因此不适用于建筑概念快速发展的早期设计阶段。结果，现有的风分析技术通常在简化的条件下使用（稳态分析，单一速度和角度）。该方法只是无视影响“ BIWT年度能量输出”的其他各种标准，包括当地风况的波动和周围城市地形的不平整。；本研究旨在解决上述问题，并提出了一种基于性能的参数设计工具，主要用于架构概念快速发展的早期设计阶段。自动化输出可为概念的每个变更提供BIWT潜在能量增强的实时评估，并同时分析多种BIWT类型学;该参数工具采用每小时天气数据，不同的地形条件数学模型以及两个CFD测量数据库该工具根据长期的局部气候趋势和邻近的地形环境，开发出一种决策机制，以寻找最佳的BIWT类型和最佳角度。本文的结果是一个自动化的参数化工具，解决了上述所有与当前风分析方法和BIWT的建筑设计过程相结合的困难。

著录项

  • 作者

    Abdolhossein Pour, Farid.;

  • 作者单位

    Illinois Institute of Technology.;

  • 授予单位 Illinois Institute of Technology.;
  • 学科 Architecture.;Energy.;Computer science.
  • 学位 Ph.D.
  • 年度 2014
  • 页码 314 p.
  • 总页数 314
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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