翅片热管式真空集热管的热性能研究  

RESEARCH ON THERMAL PERFORMANCE OF A FINNED HEAT-PIPE EVACUATED TUBE COLLECTOR

作　　者：黄秀勇[1] 王军[1] 王金平 王俊[1] 张耀明[1] 

机构地区：[1]东南大学江苏省太阳能技术重点实验室,南京210096 [2]南京帕偌特太阳能有限公司,南京211100

出　　处：《太阳能学报》2016年第9期2298-2305,共8页Acta Energiae Solaris Sinica

基　　金：江苏省科技支撑计划(BE2012015;BE2013121);科技部火炬计划(2013GH710501)

摘　　要：设计一种翅片热管式真空集热管,以翅片热管式真空集热管为研究对象,综合考虑影响其热性能的主要因素,建立总热损失系数及瞬时热效率等热性能参数的数学模型,提出该模型的计算方法,并测定效率曲线。同时,搭建室外热性能动态实验测试平台,将集热管的热性能模拟值与实测数据进行对比分析,结果表明建立的模型准确可靠,对于改进集热管设计和预示集热管性能均具有一定的指导意义。且翅片热管式真空集热管具有较好的集热能力,完全能够满足低温热利用的要求。Analyzing the thermal performance theoretically of a finned heat-pipe evacuated collector tube which was designed, derive the instantaneous thermal efficiency equation and the calculation formula of total heat loss coefficient, efficiency factor, thermal transfer factor. Then simulating according to the example to obtain the instantaneous thermal efficiency equation. Building outdoor dynamic experiment to research the collector＇ s thermal performance, introduce the experimental system and apparatus and analyze the experimental results in detail. The conclusions indicate that the solar collector has a very good collector capacity, and fully able to meet the needs of low-temperature heat utilization.

关 键 词：翅片热管式真空集热管 热性能 瞬时热效率 总热损失系数 

分 类 号：TK513[动力工程及工程热物理—热能工程]