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暖通空調>期刊目次>2022年>第8期

干熱地區水簾幕墻被動式蒸發冷卻技術研究

Research on water-curtain wall passive evaporative cooling technology in hot and dry zone

葛 超 劉 鳴 王玉嬌 曾婷婷
新疆建筑設計研究院有限公司

摘要:

干熱地區室內水蒸氣在分壓力差的作用下向室外擴散,且室內外存在一定量的自然通風,二者均會使室內相對濕度降低。提出了適用于干熱地區的被動式蒸發冷卻技術,通過搭建試驗臺模型并進行測試,研究了水簾幕墻對室內環境的降溫效果,驗證了這種降溫技術的可行性。分析了在水簾幕墻作用下室內空氣的變化過程,并與傳統空調方式進行了能效對比,為今后相關設備的優化設計提供理論基礎。

關鍵詞:干熱地區;水簾幕墻;被動式蒸發冷卻;熱壓;水蒸氣擴散

Abstract:

Indoor water vapor diffuses outdoors under the action of partial pressure difference in hot and dry zone, and there is a certain amount of natural ventilation in indoor and outdoor air, both of which will reduce the relative humidity of the rooms. The passive evaporative cooling technology suitable for hot and dry zone is proposed, the cooling effect on the indoor environment of the water-curtain wall is studied by building a test bench model and conducting tests, and the feasibility of this cooling technology is verified. The change process of indoor air under the action of water-curtain wall is analysed, and the energy efficiency is compared with that of the traditional air conditioning method, which provides a theoretical basis for the optimization design of related equipment in the future.

Keywords:hotanddryzone;water-curtainwall;passiveevaporativecooling;stackeffectpressure;watervapordiffusion

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