能源隧道的研究与应用现状

Research and Application Status of Energy Tunnel

能源隧道是一种新型的能源利用技术,具有高效、环保和可持续等优点,其在能源领域的研究与应用受到的关注越来越多。基于国内外能源隧道的研究与应用现状,分析了能源隧道中热交换管传热性能的影响因素,总结了热交换管的选择和布置方式,并对能源隧道在温度变化时引起的衬砌结构响应和地面沉降进行了分析。研究结果表明:能源隧道的研究与应用应充分考虑传热性能的影响因素对热交换效率的影响;衬砌温度越大,产生的应力应变就越大;地下市政管线和地下综合管廊产生的废热再利用是能源隧道一个重要的研究方向,且应尽快制定能源隧道设计与施工的相关技术标准。

The energy tunnel is a new type of energy utilization technology with advantages of high efficiency,environmental protection and sustainability.Its research and application in the energy field have been receiving more and more attention.Based on the current status of energy tunnel research and application at home and abroad,the influencing factors of heat exchange tube’s heat transfer performance in the energy tunnel is analyzed in this study.The specific selections and arrangements of the heat exchange tubes are also summarized.Furthermore,the response of lining structure and ground settlement caused by temperature variations are analyzed.The research results indicate that the study and application of energy tunnels fully consider the impact of heat transfer performance on heat exchange efficiency;The greater the temperature variation in the lining,the larger the stress and strain;The recycle of waste heat from underground municipal pipelines and utility tunnel is an important research for energy tunnels.Therefore,the relevant technical standards for energy tunnel design and construction should be developed as soon as possible.