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首页> 外文期刊>Journal of testing and evaluation >Laboratory Tests of Window-Wall Interface Details to Evaluate the Risk of Condensation on Windows
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Laboratory Tests of Window-Wall Interface Details to Evaluate the Risk of Condensation on Windows

机译：窗-墙界面细节的实验室测试，以评估Windows上的冷凝风险

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The development of alternative details to manage water intrusion at the window-wall interface has produced a number of novel approaches to detailing the interface between the window and the adjacent wall assembly. Many of these approaches advocate the need to provide drainage at the rough opening of the window subsill, given that the window components themselves are susceptible to water entry over their expected life. Depending on the types of windows used and the cladding into which the windows are installed, there arise different methods to provide drainage that may also affect air leakage through the assembly. This in turn may give rise to the formation of condensation along the window, at the sill, or along the window sash and glazing panels. Hence, there is a need to determine if, under cold weather conditions, specific interface details that incorporate sill pans provide a potential for condensation on the window components in which air leakage paths may be prominent at the sill or elsewhere on the window assembly. The paper reports on a laboratory evaluation of conditions suitable for the formation of condensation at the window frame perimeter of the interface assembly as a function of both temperature deferential and air leakage rate across the test assembly. A summary of the laboratory test protocol is provided, which includes a description of the test setup and apparatus, fabrication details of the specimen, information on instrumentation and calibration, and experimental results for one type of window (flange window). In parallel, preliminary simulation results were presented and compared to those obtained from the experiment using the commercially available thermal software BISCO.
机译：用于管理窗-墙界面处的水侵入的替代细节的发展产生了许多新颖的方法来详述窗与相邻墙组件之间的界面。这些方法中的许多方法都提倡需要在窗台的粗糙开口处设置排水装置，因为窗部件本身在其预期使用寿命内很容易渗水。根据所用窗户的类型和安装窗户的覆层的不同，会出现不同的排水方法，这些排水方法也可能会影响通过组件的空气泄漏。这继而可能导致沿着窗户，窗台或沿着窗框和玻璃面板形成冷凝水。因此，需要确定在寒冷的天气条件下，结合了门槛板的特定界面细节是否提供了在窗组件上凝结的可能性，在窗组件中，窗槛处或窗组件上的其他地方可能会出现漏气路径。该论文报告了实验室评估的条件，该条件适合于在接口组件的窗框周长处形成冷凝，这是温度差和整个测试组件漏气率的函数。提供了实验室测试协议的摘要，其中包括测试设置和设备的描述，样品的制造细节，有关仪器和校准的信息以及一种类型的窗口（法兰窗口）的实验结果。同时，给出了初步的模拟结果，并将其与使用市售热学软件BISCO从实验中获得的结果进行了比较。

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