考虑不同服装热阻的层式通风供暖运行优化研究  

Study on Optimization for Stratum Ventilation and Heating Operation of Considering Different Clothing Insulations

作　　者：白燕[1,2] 汪庭祥 申一凡 BAI Yan;WANG Tingxiang;SHEN Yifan(School of Information and Control Engineering,Xi'an University of Architecture and Technology,Xi'an 710055,China;School of Science,Xi'an University of Architecture and Technology,Xi'an 710055,China)

机构地区：[1]西安建筑科技大学信息与控制工程学院,西安710055 [2]西安建筑科技大学理学院,西安710055

出　　处：《计算机测量与控制》2022年第12期180-188,共9页Computer Measurement &Control

基　　金：陕西省建设厅科技发展计划项目(2019-K34);陕西省教育科学规划课题(SGH18H111)。

摘　　要：为满足室内人员在不同着装时的热舒适需求,以某层式通风供暖办公室为研究对象,在考虑不同服装热阻的前提下,通过改进TOPSIS法优化了送风参数(即送风角度、送风速度和送风温度);在优化过程中,将PMV/PPD、垂直温差、空气龄和能量利用效率作为通风性能评价指标,以送风温度、送风速度、送风角度和服装热阻为设计变量,通过CFD模拟分析,采用中心复合设计响应面法得到通风性能与设计变量间的函数关系,然后用于改进TOPSIS法评估所有可能方案的通风性能以达到提高计算效率的目的;结果表明:基于改进TOPSIS法优化层式通风供暖送风参数可以显著改善通风性能,PPD、空气龄和垂直温差分别平均降低了37.08%、22.46%和48.17%,能量利用效率平均提高了20.42%。In order to satisfy the thermal comfort requirements of indoor personnel in different clothes,taking a floor ventilation and heating office as the research object,and the ventilation parameters(i.e.,supply vane angle,supply air velocity,and supply air temperature)are optimized by an improved technique for order preference by similarity to an ideal solution(TOPSIS)method under the different clothing insulations.To reduce costs of computational,the predicted mean vote predicted percentage dissatisfied(PMV/PPD),vertical air temperature difference between head and ankle levels,mean age of air,and energy utilization coefficient are taken as ventilation performance evaluation criteria during the optimization,and supply vane angle,supply air velocity,supply air temperature,and clothing insulation are the parameters of the design.The computational fluid dynamics(CFD)simulation analysis is performed by means of the central composite design response surface method to obtain the functional relationship between the ventilation performances and the design parameters,which is used to evaluate the ventilation performance of all possible operations and improve the computing efficiency by the improved TOPSIS method.The results demonstrate that optimization on the ventilation parameters via the improved TOPSIS method can significantly improve the ventilation performance.The vertical air temperature difference between head and ankle levels,the mean age of air,and the PPD are decreased by 48.17%,22.46%,and 37.08% on average respectively,and an average increase in the energy utilization coefficient reaches 20.42%.

关 键 词：层式通风 供暖 服装热阻 响应面法 改进TOPSIS法 优化 

分 类 号：TU83[建筑科学—供热、供燃气、通风及空调工程]