【摘要】：目的:風(fēng)環(huán)境直接影響居住建筑室內(nèi)外自然通風(fēng)、舒適度以及污染物擴(kuò)散情況。本文以居住建筑選址分析為目的,建立一系列針對東亞沿海岙型地形的風(fēng)環(huán)境評價(jià)方法,分析影響風(fēng)環(huán)境特點(diǎn)的主要因素,提出風(fēng)適宜度評價(jià)模型,探討風(fēng)環(huán)境與主要地形因子之間的相關(guān)性。創(chuàng)新點(diǎn):1.建立東亞沿海典型岙型地形的分類數(shù)據(jù)庫;2.提出基于選址分析的風(fēng)適宜度模型;3.建立風(fēng)適宜度與地形因子之間的回歸模型。方法:1.通過CFD模擬的方法,計(jì)算典型工況下20種岙型地形的風(fēng)場(圖5);2.通過理論分析和數(shù)理耦合的方法,構(gòu)建風(fēng)適宜度模型(公式(4));3.通過Logistic回歸方法,分析風(fēng)適宜度與地形因子的相關(guān)性。結(jié)論:1.風(fēng)適宜度直接受地形特征影響,開口面向來風(fēng)向的岙型地形中風(fēng)適宜度平均值最高,選址過程中應(yīng)避開開口背向來風(fēng)向的岙型地形;2.通過多元回歸分析得出風(fēng)適宜度和地形因子的相關(guān)性顯著,其中海拔是決定風(fēng)適宜度的主要地形因子。
[Abstract]:Objective: the wind environment directly affects indoor and outdoor natural ventilation, comfort and pollutant diffusion in residential buildings. For the purpose of location analysis of residential buildings, this paper establishes a series of wind environment evaluation methods for east Asian coastal ao topography, analyzes the main factors affecting the wind environment characteristics, and puts forward a wind suitability evaluation model. The correlation between wind environment and main terrain factors is discussed. Innovation: 1. To establish the classification database of typical ao type topography in East Asia coast; 2. The wind suitability model based on location analysis is proposed. 3. A regression model between wind suitability and topographic factors was established. Methods: 1. By means of CFD simulation, the wind fields of 20 types of ao topography under typical working conditions are calculated (Fig. 5); 2. Through theoretical analysis and mathematical coupling method, the wind suitability model is constructed (formula (4); 3). The correlation between wind suitability and topographic factors was analyzed by Logistic regression method. Conclusion: 1. The wind suitability is directly affected by the topographic characteristics, and the mean value of stroke suitability of ao type terrain with openings facing to the wind direction is the highest, and the ao-type terrain with the orifice backwind direction should be avoided in the process of selecting the site. 2. By multivariate regression analysis, the correlation between wind suitability and topographic factors is significant, and elevation is the main terrain factor that determines the wind suitability.
【作者單位】： Urban
【基金】：supported by the National Natural Science Foundation of China(Nos.51208466 and 51238011) the Science and Technology Research Program of Chinese Ministry of Housing and Urban-Rural Development(No.2014R2-036) the Humanities and Social Sciences Research Foundation of the Ministry of Education(No.17YJAZH136) the Natural Science Foundation of Zhejiang Province(No.LY16E0 80011) the Social Sciences Planning Project of Zhejiang Province(No.12JCSH02YB),China
【分類號】：TU119

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