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首页> 外文会议>International conference on solar energy and buildings >Performance Analysis of Uncovered PV-T Collectors for Radiative Cooling and Heating Applications
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Performance Analysis of Uncovered PV-T Collectors for Radiative Cooling and Heating Applications

机译：辐射式制冷和供热应用中未发现的PV-T集热器的性能分析

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New uncovered photovoltaic-thermal (PV-T) collectors were developed and tested to produce electricity, chilled and hot water. The use of uncovered PV-T collectors has already been investigated for heating applications. However uncovered PV-T collectors are also interesting for radiative cooling applications. This concept was already demonstrated in two plus energy houses that participated in the Solar Decathlon Europe competition. The working principle of radiative cooling is to use the radiative heat loss of the collector top surface to cool down a fluid which is then used to air-condition a building This paper focuses on the collector design characteristics and their performances for radiative cooling and heating applications. The procedure for the performance characterization is inspired from the quasi dynamic test method for uncovered thermal collector of the new EN ISO 9806:2014. For the identification of the collector parameters GenOpt has been coupled with TRNSYS. These coefficients are then used to establish the thermal efficiency curves for heating and cooling applications: the results of three different PV-T collector designs are compared between each other and to the performance of an uncovered solar collector.
机译：研发了新的未发现的光伏热（PV-T）收集器并进行了测试，以产生电力，冷冻水和热水。已经研究了将裸露的PV-T集热器用于加热应用。但是，对于辐射冷却应用，未发现的PV-T收集器也很有趣。这个概念已经在参加Solar Decathlon Europe竞赛的两个以上的能源公司中得到了证明。辐射冷却的工作原理是利用集热器顶面的辐射热损失来冷却流体，然后将其用于建筑物的空调。本文重点研究集热器的设计特性及其在辐射冷却和采暖应用中的性能。 。性能表征的过程是从新的EN ISO 9806：2014的未发现集热器的准动态测试方法中获得启发的。为了识别收集器参数，GenOpt已与TRNSYS结合使用。然后将这些系数用于建立供热和制冷应用的热效率曲线：将三种不同PV-T收集器设计的结果相互比较，并与未覆盖的太阳能收集器的性能进行比较。

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