Tunnel Heating System with Heat Pump in Cold Region and Its Optimization

doi:10.3969/j.issn.0253-374x.2012.04.019

Home > Archive>Volume 40, Issue 4, 2012 >0610-0615. DOI:10.3969/j.issn.0253-374x.2012.04.019

Tunnel Heating System with Heat Pump in Cold Region and Its Optimization
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                        10.3969/j.issn.0253-374x.2012.04.019
                    
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                        ZHANG GuozhuZHANG Guozhu
Department of Geotechnical Engineering, Tongji University, Shanghai 200092,China;Key Laboratory of Geotechnical and Underground Engineering of the Ministry of Education, Tongji University, Shanghai 200092,China
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XIA CaichuXIA Caichu
Department of Geotechnical Engineering, Tongji University, Shanghai 200092,China;Key Laboratory of Geotechnical and Underground Engineering of the Ministry of Education, Tongji University, Shanghai 200092,China
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SUN MengSUN Meng
Department of Geotechnical Engineering, Tongji University, Shanghai 200092,China;Key Laboratory of Geotechnical and Underground Engineering of the Ministry of Education, Tongji University, Shanghai 200092,China
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ZOU YichuanZOU Yichuan
Department of Geotechnical Engineering, Tongji University, Shanghai 200092,China;Key Laboratory of Geotechnical and Underground Engineering of the Ministry of Education, Tongji University, Shanghai 200092,China
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Abstract:

为解决寒区隧道冻害问题，将地源热泵型供热系统应用于内蒙古博牙高速林场隧道中.系统由取热段、加热段、热泵和分、集水管路组成，可用于隧道洞口段衬砌和排水系统加热.在分析研究该系统传热机理的基础上，建立考虑热阻和热源的隧道取热段传热模型，利用叠加原理、格林函数法和拉普拉斯变换法相结合的方法获得其解析解.热交换管间距对热交换管换热量有显著影响，随着管间距的增加，换热量呈线性增加.热交换管换热量随隧道埋深的增加而呈线性增加，热交换管应布置在埋深深的部位.与热泵持续运行相比，间歇运行有利于土壤温度场的恢复，有助于提高热泵运行效率.

Key words:tunnel in cold region;heat pump;tunnel heating system; optimum analysis

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ZHANG Guozhu, XIA Caichu, SUN Meng, ZOU Yichuan. Tunnel Heating System with Heat Pump in Cold Region and Its Optimization[J].同济大学学报(自然科学版),2012,40(4):0610~0615

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Received:February 27,2011
Revised:January 05,2012
Adopted:July 25,2011
Online: April 27,2012
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