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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 >IMPROVEMENTS OF INDOOR HUMIDITY PERFORMANCE BY A NOVEL AIR-CONDITIONING SCHEME: CHILLED-CEILING COMBINED WITH DESICCANT COOLING
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IMPROVEMENTS OF INDOOR HUMIDITY PERFORMANCE BY A NOVEL AIR-CONDITIONING SCHEME: CHILLED-CEILING COMBINED WITH DESICCANT COOLING

机译：新型空调方案改善室内湿度的性能：冷风与干燥相结合

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摘要

A novel HVAC system, chilled-ceiling combined with desiccant cooling is proposed for an office room in hot and humid climates in Hong Kong. Studies found that improved indoor humidity performance can be obtained in comparison with a traditional all-air conditioning system. Actually, for conventional constant volume all air system, the minimum RH is in July and the RHs are well controlled to around 50% in summer season. In winter and transient seasons, the RHs rise up. RHs bigger than 70% occasionally occur in these seasons. In contrast, the chilled ceiling combined with desiccant cooling system controls indoor temperature and humidity independently. The variations of monthly averaged RH are relatively small and they are in phase with outside humidity fluctuations: maximum in August and minimum in February.
机译：在香港炎热潮湿的气候下，一种新颖的暖通空调系统被建议采用冷天花板与干燥剂冷却相结合的方式。研究发现，与传统的全空调系统相比，可以获得更高的室内湿度性能。实际上，对于常规恒定体积的全空气系统，最低相对湿度是在7月，并且相对湿度在夏季被控制在50％左右。在冬季和短暂季节，相对湿度升高。在这些季节中，偶尔会出现70％以上的相对湿度。相反，冷冻天花板与干燥剂冷却系统相结合，可独立控制室内温度和湿度。月平均RH的变化相对较小，并且与外部湿度波动相一致：8月最大，2月最小。

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