Analysis on the Factors of Heat Transfer Rate and Air Volume in Tunnel

被引：2
|
作者：
Du, Cuifeng [1 ]
Bian, Menglong [1 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Civil & Resource Engn, Beijing 100083, Peoples R China
来源：
2017 INTERNATIONAL CONFERENCE ON ENVIRONMENTAL AND ENERGY ENGINEERING (IC3E 2017) | 2017年 / 63卷
关键词：
ENERGY-SAVING STRATEGY; FLOW;
D O I：
10.1088/1755-1315/63/1/012003
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In order to obtain the relationship between ventilation and heat transfer of tunnel under certain conditions, the paper analyses the convective heat transfer phenomenon under the limited conditions of driving tunnel. A simplified mathematical formula is established between heat transfer rate and air volume, which explained a phenomenon that the cooling effect is hard to be improved as air volume is increasing and in actual ventilation. According to the established mathematical formula, the ratio of heat transfer rate to air volume is analyzed in different circumstances through the field experiment and numerical simulation. A conclusion is drawn that the ratio of Phi /Q can be proposed to evaluate the ventilation cooling effect.
引用
收藏
页数：8
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