摘要
本研究对某船舶舱段进行数值模拟,发现冬季设计工况下舱室中内区的空调区域温度偏高,局部近30℃,超过舒适性空调冬季室内设计标准,并针对此区域(舱段内区)进行了优化设计。本研究通过模拟探讨了五种措施对各舱室内空调舒适性的影响。这五种措施为①减小内区送风量。②增大内区送风量。③内外区均以20-24℃供风。④内区仅供新风。⑤内区供冷外区供热。模拟结果表明,措施③、⑤均能有效消除内区舱室中存在的高温现象,提升舒适性,但应注意送风温度不宜过高。
Through numerical simulation,this study finds the air temperature in some inner districts of the ship cabin is relatively high,and the local temperature may be nearly 30℃ beyond the thermal comfort range.Therefore,the thermal comfort in the large ship should be improved,particularly in the inner district.Five alternative strategies of the air conditioning are proposed for investigating the effects on thermal comfort.The five strategies include:①reducing the volume flow rate of the air supplying to the inner district.②increasing the volume flow rate of the air supplying to the inner district.③supplying air to the inner and outer districts at 2024℃ .④only supplying fresh air to the inner district.⑤inner district cooling and outer district heating.Numerical results show that Strategy③and Strategy⑤can effectively reduce the local high temperature in the inner district compartment,and improve the thermal comfort.It also should be noted that the supplying air temperature should not be too high.
作者
刘秀峰
黄峙
谢军龙
徐新华
王飞飞
LIU Xiu-feng;HUANG Shi;XIE Jun-long;XU Xin-hua;WANG Fei-fei(2nd Military Representative Office of Department of Naval Equipment in Wuhan;China Ship Development and Design Center;School of Energy and Power Engineering,Huazhong University of Science and Technology;Department of Building Environment and Energy Engineering,Huazhong University of Science and Technology)
出处
《建筑热能通风空调》
2022年第4期30-35,共6页
Building Energy & Environment
关键词
数值模拟
大型船舶
内外区
空调舒适性
气流组织优化
numerical simulations
large ship
Inner and outer districts
thermal comfort
optimization of airflow field
