Improved thermal performance of a hydronic radiant panel heating system by the optimization of tube shapes

作     者：Young T.CHAE Kwang Ho LEE Jae Sung PARK 

作者机构：School of ArchitectureUniversity of Illinois at Urbana-Champaign Department of Architectural EngineeringHanbat National University Department of Mechanical EngineeringUniversity of Illinois at Urbana-Champaign 

出 版 物：《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》 (浙江大学学报（英文版）A辑（应用物理与工程）)

年 卷 期：2011年第12卷第6期

页      面：428-437页

核心收录：

学科分类：0810[工学-信息与通信工程] 080702[工学-热能工程] 08[工学] 0807[工学-动力工程及工程热物理] 0805[工学-材料科学与工程（可授工学、理学学位）] 0812[工学-计算机科学与技术（可授工学、理学学位）] 

主　　题：Radiant panel system Analytical modeling Computational fluid dynamics(CFD) Tube shape Energy saving 

摘      要：The thermal performance enhancement of the hydronic radiant floor heating system by tube shape refinements is investigated in this *** analytical and detailed numerical modelings are carried out to predict the performance of the radiant *** the simple analytical model briefly investigates the possibility of the effect of the tube shape improvement with the parametric analysis,the commercial computational fluid dynamics(CFD) code(Ansys/CFX) is used to perform the detailed 3D analysis under different tube shape *** fin thickness,the number of fins,and the tube thermal conductivity turn out to have significant effects on the radiant system *** potential energy saving impacts of the tube shape refinements are also *** tube shape improvement turns out to increase the floor surface temperature and to decrease the hot water temperature drop across the system,resulting in heating energy savings.