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            暖通空調雜志社>期刊目次>2021年>第9期

            雄安站首層候車廳空調系統氣流組織優化設計

            Air distribution optimizing design of air conditioning system for first-floor waiting hall of Xiongan Station

            李桂萍[1] 王天成[1] 孫兆軍[1] 董永衛[2] 郭學會[2]
            [1]中國鐵路設計集團有限公司 [2]中鐵十二局集團建筑安裝工程有限公司

            摘要:

            雄安站首層候車廳屬于典型的高大空間,采用傳統輔助用房設置機房的全空氣系統,送風半徑大、能耗高,且不滿足清水混凝土的裝修風格,設計采用分散的送風單元系統,并采用貼附射流結合側送噴口的末端方式進行送風。利用計算機模擬手段,比較了夏季3種工況(貼附送風、噴口側送風、貼附送風結合噴口側送風)人員活動區氣流組織分布,得出較優的送風方式,并對冬季設計工況進行了校核。結果表明,夏季采用分散式系統比集中的全空氣系統風系統輸送能耗降低了30%左右,采用貼附射流結合噴口的送風方式比傳統的噴口側送方式夏季降低了15%能耗。

            關鍵詞:高大空間,分散送風單元,貼附射流送風,節能,人性化設計

            Abstract:

             The waiting hall on the first floor of Xiongan Station is a typical tall space. Adopting the traditional auxiliary room to set up the machine room, the all air system has a large air supply radius and high energy consumption, and does not meet the decoration style of fair-faced concrete. Therefore, the design adopts a decentralized air supply unit system and adopts a combination of attached jets and side delivery nozzles. By computer simulation methods, compares the air distribution in the personnel activity area of the three working conditions in summer (attached ventilation, side delivery from nozzles, attached ventilation combined with side delivery from nozzles), obtains a better air delivery method, and checks the design conditions in winter. The result shows that the use of a decentralized system in summer reduces the energy consumption of air transportation by about 30% compared with a centralized all-air system, and that the air supply method using attached jet combined with nozzles reduces energy consumption by 15% in summer compared with the traditional nozzle side delivery method.

            Keywords:highspacearea,decentralizedairsupplyunit,attachedairjet,energysaving,humanizeddesign

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