夏热冬冷地区建筑中庭通风节能研究

发布时间：2018-01-23 06:59

本文关键词： 中庭 Fluent Energyplus 通风温度场　出处：《武汉理工大学》2013年硕士论文　论文类型：学位论文

【摘要】：中庭因其建筑美学及自然采光和供暖的特性深受人们的欢迎。但是,中庭建筑有不同于一般建筑的特点：空间高、体量大以及大面积的玻璃屋顶或玻璃幕墙引起的中庭空间内复杂的热环境,其能耗状况引起广大业主和建筑师的重视。本文结合CFD软件(Computer Fluid Dynamic) Fluent与能耗模拟软件EnergyPlus相结合进行计算模拟,通过对比分析、定量分析等途径,对中庭空间的通风、能耗等方面问题作了一定深度的探讨。本文主要分以下部分：首先,通过对本课题研究现状的简要概述,梳理了目前国内外学者与中庭相关的建筑技术领域的研究。通过进一步查阅中庭通风相关文献,了解影响中庭通风、节能的影响因素。其次,通过对武汉地区某教学楼中庭进行现场实测,获得中庭内的温度场,速度场以及室外气候参数等,为以下的模拟提供相应参考。然后,根据实际中庭建筑特征,建立适合中庭空气动力特性数学、物理模型,采用通用商业CFD软件Fluent在分别考虑中庭顶层玻璃开启与关闭的情况下,对建筑中庭内速度场与温度场进行模拟计算,将三维计算温度场与实测温度场进行对比,并进行相关分析。最后,利用Designbuilder建立建筑中庭能耗计算模型,分别在考虑中庭温度分层与忽略温度分层的情况下,利用Energy Plus对中庭建筑区域热平衡进行计算,并对计算结果进行归纳分析,得出温度场对中庭通风的影响。重点分析了中庭空间的气流组织、温度分布与顶部玻璃窗开启对中庭本身通风的影响,这对建筑中庭通风、节能以及提高其热舒适度具有一定的参考价值。
[Abstract]:The atrium due to its characteristic of architectural aesthetics and natural lighting and heating is welcomed by the people. However, the atrium characteristics is different from the general construction of the space is high, the thermal environment of complex large size and large glass roof or glass curtain wall caused by the atrium space, the energy consumption situation caused by the owners and architects attention in this paper. Combined with CFD software (Computer Fluid Dynamic) by combining simulation and Fluent energy simulation software EnergyPlus, through comparative analysis, quantitative analysis and other ways, in atrium buildings, discusses certain depth energy consumption and other issues.
This article is mainly divided into the following parts:
First, by summarizing the current research situation of the subject, we comb the research of building technology field related to atrium at home and abroad, and further understand the influencing factors of atrium ventilation and energy saving by further consulting related literature of atrium ventilation.
Secondly, through the field measurement of a teaching building atrium in Wuhan area, we get the temperature field, velocity field and outdoor climate parameters in the atrium, providing the corresponding reference for the following simulation.
Then, according to the actual characteristics of atrium building, the establishment of suitable mathematical, dynamic characteristics of atrium air physical model, using commercial CFD software Fluent in the atrium are considered the top glass opening and closing conditions, to simulate the atrium in the velocity field and temperature field, the 3D calculation of temperature field and temperature field were compared, and the correlation analysis was performed.
Finally, using Designbuilder to establish the atrium energy consumption calculation model respectively considering temperature stratification and ignore the atrium temperature stratification under the condition of the atrium area heat balance were calculated by using Energy Plus, and the results were analyzed, the influence of temperature field on the atrium ventilation. Focus on the analysis of the airflow in the atrium space, open the temperature distribution and the effect of ventilation on the glass window at the top of the atrium itself, the atrium ventilation, energy saving and improving the thermal comfort degree has a certain reference value.

【学位授予单位】：武汉理工大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：TU834

【参考文献】