Numerical Analyses of Hygrothermal Durability Performances on Multi-dimensional Composite Building Envelopes with Metalic Elements

金属元素多维复合建筑围护结构湿热耐久性能的数值分析

基本信息

批准号：
13650652
负责人：
SHIBAIKE Hideki
金额：
$ 2.3万
依托单位：
Kyoto Institute of Technology
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
2001
资助国家：
日本
起止时间：
2001 至 2002
项目状态：
已结题

项目摘要

In order to provide high performance building envelopes as a counter measure against the climate change issues, a durability assessment of composite steel walls are the one of the important engineering challenges to be solved in ner future, It should be required a jointed technology of numerical simulation procedures for the long term hygrothermal performances on building envelopes with metallic elements and corrosion performance predictions on them.In this investigation, we have developed a numerical procedure to predict both hygrothermal and corrosion performances for multi-dimensional composite building envelopes with metallic elements. Multi dimensional heat, air and moisture transfer has been formulated by the boundary element techniques. Numerical evaluation procedures were proposed for boundary integrals and domain integrals with both numerical efficiency and accuracy. A simple and robust procedure to describe boundaries and interfaces for arbitrarily connected heterogeneous bod … More ies has been described which can reduce computational resources for pivoting coefficients for solving the system of equations. Couples of simple thermal problems have been analysed as numerical demonstrations.In the sixth chapter, in situ monitored experimental data on the real scaled exterior insulation wall with vented cavity has been analysed in order to demonstrate usefulness and applicability of the proposed method for hygrothermal and corrosion performances. The monitored wall with vented cavity devised aluminum exterior cladding supported by SUS pillars. The differences on thermal performances and moisture and corrosion performances as well, have been evaluated. The merging these monitored data can create important opportunity to compare and validate the whole numerical procedure. Besides it also provide opportunity for experimental evaluations on following aspects : (1) Hygrothermal performances of a vented cavity wall, (2) the air flow and dehumidification characteristics of the cavity, and (3) improving thermal and economical performance of pillars fabricated by stainless-steel or aluminum which support the finish layer. In this paper, the experimental setup and the measurement plan are described and measured data on recent hygrothermal situations of wall systems are presented. Less

为了提供高性能的建筑围护结构来应对气候变化问题，复合钢墙的耐久性评估是未来需要解决的重要工程挑战之一，需要数值模拟的联合技术具有金属元素的建筑围护结构的长期湿热性能及其腐蚀性能预测的程序。在这项研究中，我们开发了一种数值程序来预测具有金属元素热量的多维复合建筑围护结构的湿热和腐蚀性能。空气和水分传输已通过边界元技术制定，并提出了边界积分和域积分的数值评估程序，该程序具有数值效率和准确性，可以描述任意连接的异质体的边界和界面。已经描述了可以减少求解方程组的旋转系数的计算资源，并通过数值演示对简单的热问题进行了分析。第六章，对真实比例的外保温墙进行了现场监测实验数据。对通风腔进行了分析，以证明所提出的方法在湿热和腐蚀性能方面的实用性和适用性。带有通风腔的受监控墙设计了由 SUS 柱支撑的铝外覆层，以及热性能和防潮性能和腐蚀性能的差异。合并这些监测数据可以创造重要的机会来比较和验证整个数值程序，此外还为以下方面的实验评估提供了机会：（1）通风的湿热性能。空腔壁，(2) 空腔的气流和除湿特性，以及 (3) 提高由不锈钢或铝制成的支撑饰面层的支柱的热性能和经济性能。描述了计划并提供了最近墙体系统湿热情况的测量数据。

项目成果

期刊论文数量（3）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

Study on influence of the change of land cover ratio on urban thermal environment No.1 Analysis by mean of the meso-scale numerical simulation model

土地覆盖率变化对城市热环境影响研究No.1 中尺度数值模拟模型分析

DOI：
发表时间：
2005
期刊：
The 19th Conference Envirolnfo Part2
影响因子：
0
作者：
Hideki Shibaike;Kazuya Itemadani;Hideki Takebayashi
通讯作者：
Hideki Takebayashi

Climate analysis for the mitigation of urban heat island in Kyoto city No.1 Performance evaluations on counter measures for summer urban climate mitigation by the meso-scale CFD solution

京都市城市热岛缓解气候分析No.1 利用中尺度CFD解决方案对夏季城市气候缓解对策进行绩效评估

DOI：
发表时间：
2005
期刊：
Proc.International Symposium on Sustainable Development of Asian City Environment
影响因子：
0
作者：
Hideki Shibaike;Kazuya Itemadani;Hideki Takebayashi;Masakazu Moriyama
通讯作者：
Masakazu Moriyama

熱・湿気環境の長期実測に基づく外断熱仕様外壁の性能評価(第1報)測定計画の概要

基于热湿环境长期测量的外墙外保温规范性能评价测量计划大纲（第一份报告）