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Uncertainties associated with solar collector efficiency test using an artificial solar simulator

机译：使用人工太阳能模拟器进行太阳能集热器效率测试的不确定性

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摘要

Due to environmental effects of extensive use of energy, solar collectors are being installed on a large scale in many countries. The accurate determination of its efficiency by a test laboratory strongly affects the system performance prediction, cost-benefit valuations, technology introducing in public policies and certification programs. In this context and considering that indoor efficiency tests using solar simulators are increasingly used by test labs, this paper presents an assessment of uncertainty associated with usual flat plate solar collector efficiency tests performed with solar simulator. For this purpose, tests were performed according indoor method in order to estimate uncertainty associated with efficiency determination. Uncertainty evaluation included the contributions of instrumentation, temporal stability of environmental test conditions and statistical regression used to determine collector's efficiency curve. Additional tests and evaluations were also carried out to investigate solar simulated irradiance and air speed influence on estimated uncertainty and to validate the results from comparison with uncertainties derived from two other laboratories. (C) 2016 Elsevier Ltd. All rights reserved.
机译：由于大量使用能源对环境的影响，许多国家正在大规模安装太阳能收集器。测试实验室对效率的准确确定会严重影响系统性能预测，成本效益评估，公共政策和认证计划中引入的技术。在这种情况下，考虑到测试实验室越来越多地使用太阳能模拟器进行室内效率测试，本文提出了对使用太阳能模拟器进行的常规平板太阳能集热器效率测试相关的不确定性的评估。为此，根据室内方法进行测试，以估计与效率确定相关的不确定性。不确定性评估包括仪器的作用，环境测试条件的时间稳定性以及用于确定收集器效率曲线的统计回归。还进行了其他测试和评估，以研究太阳模拟辐照度和空气速度对估计不确定性的影响，并通过与其他两个实验室得出的不确定性进行比较来验证结果。 （C）2016 Elsevier Ltd.保留所有权利。

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  • 来源
    《Renewable energy》 |2017年第8期|644-651|共8页
  • 作者

    Sowmy Daniel Setrak; Schiavon Ara Paulo Jose; Prado Racine T. A.;

  • 作者单位

    Univ Sao Paulo, Escola Politecn, Ave Prof Almeida Prado,Trav 2,Ed Engn Civil, BR-05508900 Sao Paulo, SP, Brazil|Inst Pesquisas Tecnol Estado Sao Paulo SA, Ave Prof Almeida Prado 532,CX 66, BR-05508901 Sao Paulo, SP, Brazil;

    Inst Pesquisas Tecnol Estado Sao Paulo SA, Ave Prof Almeida Prado 532,CX 11, BR-05508901 Sao Paulo, SP, Brazil;

    Univ Sao Paulo, Escola Politecn, Ave Prof Almeida Prado,Trav 2,Ed Engn Civil, BR-05508900 Sao Paulo, SP, Brazil;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Solar collector; Energy efficiency; Solar simulator; Uncertainty;

    机译：太阳能集热器;能源效率;太阳能模拟器;不确定性;

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