摘要
针对现代舰船隐身设计多采用封闭式桅杆带来的舱内设备发热量排除问题,采用计算流体力学(CFD)模拟方法进行热环境控制技术方案的模拟实验研究。选取该封闭式桅杆底层舱室,舱内热环境控制采用空调分布式送风,对发热量较大设备上部增设了循环风热管冷却。对舱内空调送风条件下热管装置关闭、热管不工作仅开启循环风机、热管装置正常工作三种工况进行了模拟实验。实验结果表明:在仅采用空调送风方式进行舱内热环境控制时,舱室平均温度为23.5℃,部分发热量较大的设备上方出现高温现象(>35℃)。在开启其上部循环风热管冷却后,局部降温幅度为6~9℃,未出现高温现象。此种控制技术方案通过模拟实验结果验证是可行的。
In order to solve the problem of high heat flux inside the enclosed mast, which is a widely adopted style in the designing of modern stealth ship, a thermal environment controlling scheme was studied through CFD method. In the study, the bottom cabin in the mast was chosen as the site and distributed air conditioning system, together with recycling wind and heat pipes above those densely heat-releasing devices, was installed to adjust the environment, three operation condition for the thermal controlling when distributed conditioners are on were modeled： 1.Both recycling wind and heat pipes off; 2. Recycling wind on and heat pipes off; 3.Both recycling wind and heat pipes on. The results show that, under operation condition 1, the mean temperature of the cabin is 23.5 ℃ with some area more than 35 % above some local heat-releasing devices; under condition 3, the temperature decline would be 6 - 9 ℃ and no overheat area any more, which means that this thermal controlling scheme is practicable.
出处
《建筑热能通风空调》
2017年第9期29-32,28,共5页
Building Energy & Environment
关键词
舰舱热环境
封闭式桅杆
数值模拟实验
空调送风
热管冷却
thermal environment in ship cabin, enclosed mast, numerical simulation test, conditioned air supply, heat pipe cooling
