管簇结构腔体式吸收器热性能的数值分析  

NUMERICAL ANALYSIS OF THERMAL CHARACTERISTICS OF SOLAR CAVITY RECEIVER WITH ABSORBER OF A BUNDLE OF TUBES

作　　者：侴乔力 葛新石[1] 程曙霞[1] 李业发[1] 

机构地区：[1]中国科学技术大学

出　　处：《太阳能学报》1995年第1期21-28,共8页Acta Energiae Solaris Sinica

摘　　要：讨论了一种新型的管簇结构腔体式吸收器，基于网络法建立了确定各种热流的控制方程及总热阻并给出集热器及各主要部件的效率定义式，最后对热性能进行了详细的数值分析。In this paper. the thermal characteristics of a novel solar cavity receiver using a bundle of tubes as an absorber is theoretically analyzed. Based on the thermal network technique. the equations for determining the heat resistances of different heat transfer modes and the total heat loss coefficients of the receiver are derived.The formulas of calculating the efficiences of different key components and the system are also given.

关 键 词：中温集热器 腔体式吸收器 太阳能 

分 类 号：TK513－15[动力工程及工程热物理—热能工程]