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首页> 外文期刊>Applied thermal engineering: Design, processes, equipment, economics >Validated TRNSYS model for forced circulation solar water heating systems with flat plate and heat pipe evacuated tube collectors
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Validated TRNSYS model for forced circulation solar water heating systems with flat plate and heat pipe evacuated tube collectors

机译：经过验证的TRNSYS模型用于带有平板和热管抽空集热器的强制循环太阳能热水系统

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摘要

This paper presents a validated TRNSYS model for forced circulation solar water heating systems used in temperate climates. The systems consist of two flat plate collectors (FPC) and a heat pipe evacuated tube collector (ETC) as well as identical auxiliary components. The systems were fitted with an automated unit that controlled the immersion heaters and hot water demand profile to mimic hot water usage in a typical European domestic dwelling. The main component of the TRNSYS model was the Type 73 FPC or Type 538 ETC. A comparison of modelled and measured data resulted in percentage mean absolute errors for collector outlet temperature, heat collected by the collectors and heat delivered to the load of 16.9%, 14.1% and 6.9% for the FPC system and 18.4%, 16.8% and 7.6% for the ETC system respectively. The model underestimated the collector outlet fluid temperature by -9.6% and overestimated the heat collected and heat delivered to load by 7.6% and 6.9% for the FPC system. The model overestimated all three parameters by 13.7%, 12.4% and 7.6% for the ETC system.
机译：本文为温带气候下的强制循环太阳能热水系统提供了经过验证的TRNSYS模型。该系统由两个平板收集器（FPC）和一个热管真空管收集器（ETC）以及相同的辅助组件组成。该系统配有自动化单元，该单元可控制浸入式加热器和热水需求曲线，以模仿典型的欧洲家庭住宅中的热水使用情况。 TRNSYS模型的主要组件是73型FPC或538型ETC。对模型数据和测量数据进行比较，得出FPC系统的集热器出口温度，集热器收集的热量和传递给负载的热量的平均绝对误差百分比为16.9％，14.1％和6.9％，FPC系统为18.4％，16.8％和7.6 ETC系统的％。该模型将FPC系统的收集器出口流体温度低估了-9.6％，将收集的热量和传递给负载的热量高估了7.6％和6.9％。对于ETC系统，该模型高估了所有三个参数13.7％，12.4％和7.6％。

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