The design of thermal tunnel energy segments for Crossrail, UK
The design of thermal tunnel energy segments for Crossrail, UK
复制标题
英国 Crossrail 热隧道能源段设计
DOI：
10.1680/ensu.13.00014
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发表时间：
2014
期刊：
影响因子：
5
通讯作者：
Ralf Winterling
中科院分区：
文献类型：
--
作者：
D. Nicholson;Qing Chen;Mike Silva;A. Winter;Ralf Winterling
地铁列车会产生大量的热量，特别是在制动、停在站台和加速离开车站时。因此，必须设计一个复杂的通风系统，包括竖井，风扇和站台下的抽气，以管理隧道和车站内不断上升的温度。这种传统的方法导致用于运行风扇的高能量消耗，并且忽略了在建筑物中使用地面以上提取的热量的可能性。在地下铁路隧道中铺设换热段可以提供一种替代方案，以冷却隧道和周围的地面，并将收集到的热量传递到邻近的建筑物进行加热。此外，亦有助减少隧道通风运作的能源消耗。本文介绍了英国伦敦Crossrail项目隧道段热能段的设计工作。
Significant heat is generated by underground trains, particularly when braking, stopping at platforms and accelerating away from stations. A complex ventilation system including shaft, fans and under-platform extraction thus has to be designed to manage the rising temperature in tunnels and stations. This conventional approach results in high energy consumption for running the fans and neglects the possibility to use the extracted heat above ground in buildings. Lining underground rail tunnels with heat-exchange segments can provide an alternative solution to cool the tunnels and surrounding ground, and transfer the harvested heat to adjacent buildings for heating. It will also bring benefits in terms of reduction of energy consumption for tunnel ventilation operations. This paper reports on the work carried out in designing thermal energy segments for use on the tunnelled sections of the Crossrail project in London, UK.