城市地下综合管廊通风传热模型

何国青,赵文杰,王亮

Ventilation and heat transfer modeling in urban utility tunnel

Guo-qing HE,Wen-jie ZHAO,Liang WANG

表 1 计算案例解析模型和CFD模型计算的热量和温度的比较

Tab.1 Comparisons of calculated heat fluxes and temperature between analytical model and CFD model for studied case

模型	Q_a/kW	Q_s/kW	Q_r/kW	t_d/℃	t_r/℃	t_s/℃	t_q/℃
解析模型	36.84	37.48	18.40	60.0	49.4	33.3	33.7
CFD模型	37.04	35.96	17.98	58.1	47.6	35.8	34.1
$\dfrac{\left\|{\text{解析模型} }-{ {\rm{CFD} } }\right\|}{\rm{CFD} } \times 100{{\text{%}}}$	−1%	4%	2%	3%	4%	−7%	−1%