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首页> 外文会议>International Conference on Advances in Building Technology Vol.2, Dec 4-6, 2002, Hong Kong, China >ANALYSIS OF NATURAL VENTILATION EFFECT FOR AN OFFICE BUILDING CONSIDERING MOISTURE ABSORPTION BY MATERIALS
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ANALYSIS OF NATURAL VENTILATION EFFECT FOR AN OFFICE BUILDING CONSIDERING MOISTURE ABSORPTION BY MATERIALS

机译：考虑材料吸湿性的办公楼自然通风效果分析

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摘要

Natural ventilation of buildings is becoming one of the major design approaches for sustainable buildings all over the world; however, the control strategies of vents or windows have not been well established especially when applied to hot and humid climate such as the Asian summer. In humid weather natural ventilation accelerates the absorption of water vapor by books, papers, materials used for furniture and furnishing, etc. This effect may increase the air-conditioning load when ventilation is performed intermittently in an air-conditioned building. Therefore it is important to determine ventilation control strategies on how and when vents or windows should be open and closed. For this analysis the authors developed a simulation code that can calculate air-conditioning load and room conditions by taking both natural ventilation and moisture flow analysis into account. In the present paper how much the vent schedules and quantities of moisture absorbing materials affects air-conditioning loads and room thermal conditions is evaluated and investigated. The results show that the natural ventilation controlled by temperature plus humidity ratio during nighttime is the best scenario among the considered scenarios, but enthalpy based control is not adequate contrary to expectation. Air-conditioning load is reduced by 37% in comparison to that for the no ventilation scenario.
机译：建筑物的自然通风正在成为全世界可持续建筑物的主要设计方法之一。然而，通风口或窗户的控制策略还没有很好地建立起来，特别是当应用于炎热潮湿的气候（如亚洲夏季）时。在潮湿的天气中，自然通风会促进书籍，纸张，家具和家具用材料等对水蒸气的吸收。当在空调建筑物中间歇通风时，这种效果可能会增加空调负荷。因此，确定如何以及何时打开和关闭通风口或窗户的通风控制策略很重要。对于此分析，作者开发了一个模拟代码，该代码可以通过考虑自然通风和水分流分析来计算空调负荷和房间条件。在本文中，评估和研究了排风时间表和吸湿材料的数量对空调负荷和室内温度条件的影响。结果表明，在所考虑的情景中，夜间通过温度和湿度比控制的自然通风是最佳情景，但基于焓的控制不足以与预期相反。与无通风情况相比，空调负荷减少了37％。

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