基于气候调节的城市通风道探析

Research on Urban Ventilation Channel Based on Climate Regulation

近年来,夏季炎热的气候和愈来愈强的热岛效应使城市饱受因挠,而城市设计策略中缺乏有效的生态规划方法来解决目前存在的问题,城市对炎热气候的适应性不足。论文在利用CFD(计算流体动力学)技术进行实例模拟分析的基础上,重点介绍了一种在城市尺度进行节能设计的新方法:在城市中建立多种形式的通风道,提高城市的通风和排热能力,以达到利用自然资源和有效的规划方式降低夏季城市“热岛”温度、节约能源的目的。文中详细论述了通风道的可行性和必要性、营建方式、注意原则等问题,并进行了一系列的计算机风场模拟研究。

Wind,floating climate factor in nature,is one of the important components of urban eeo-systems.Wind environment can promote communication between hot and cool air and be a media between metropolitan and ecological area.It can also enhance the ability of cities to suit hot cllmate.Basing on simulation CFD,this paper focused on a new way of the saving-energy design in urban planning.This way intended to build a few kinds of urban ventilation channels. The methods for increasing area＇s quality of ventilation and reaching the aim of lowing down the temperature of hot-island in summer and saving energy by using natural resources and efficient planning is introduced.This paper also discusses the issues of ventilation channels＇ feasibility, necessity,building types and so on.Then it displays a series of computer-aided research in wind field.