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首页> 外文期刊>Journal of Heat Transfer >Influence of Corrugated Booster Reflectors in a Centrally Finned Twist Inserted Solar Thermal Collector on Heat Transfer and Thermal Performance Characteristics
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Influence of Corrugated Booster Reflectors in a Centrally Finned Twist Inserted Solar Thermal Collector on Heat Transfer and Thermal Performance Characteristics

机译：波纹增压器反射器在集中翅片扭曲插入太阳能热集电极上的影响和热性能特征

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摘要

In this present work, the influence of corrugated booster reflectors (CBR) in a centrally finned twist (CFT) inserted solar thermal collector (SC) on heat transfer and thermal performance characteristics has been approached experimentally. The experimental trials have been made with two different twist ratios (Y = 3 and 6) for typical twist (TT) and CFT under same working conditions. The results were compared with the plain tube SC with CBR plain and also with the plain tube SC with flat booster reflectors (FBR plain). The experimental result of the CBR plain has been verified with the standard equations and found the deviations within +/- 10.05% for Nusselt number and +/- 9.42% for friction factor. The CBR has 1.6% higher effective reflection area than the FBR. Hence, the CBR augmented the Nusselt number around 8.25% over the FBR. When compared to the CBR plain, the CFT of minimum twist ratio (Y = 3) offered 10.09% higher thermal efficiency. In addition, empirical correlations have been derived for predicting the Nusselt number and friction factor. The deviations of the predicted value from the experiment value fall within +/- 10.62% for Nusselt number and +/- 11.28% for friction factor.
机译：在本工作中，实验地研究了在集中翅片扭曲（CFT）插入的太阳能热集光器（SC）中的波纹增压器反射器（CBR）的影响。实验试验已经用两种不同的扭曲比（Y = 3和6）进行，用于典型的扭曲（TT）和CFT在相同的工作条件下。将结果与具有CBR平原的平原管SC和具有平板电动机反射器（FBR PLAIN）的平原管SC进行比较。 CBR平原的实验结果已经用标准方程式验证，并发现+/- 10.05％的偏差，摩擦因子+/- 9.42％。 CBR比FBR具有1.6％的有效反射区域。因此，CBR在FBR上增强了南部的营养数约为8.25％。与CBR平原相比，最小捻度（Y = 3）的CFT提供了10.09％的热效率。此外，已经导出了用于预测营养数和摩擦因子的经验相关性。预测值从实验值的偏差下降到纽带数的+/- 10.62％内，摩擦因子的+/-11.28％。

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  • 来源
    《Journal of Heat Transfer》 |2019年第6期|062001.1-062001.9|共9页
  • 作者

    Murugan M.; Vijayan R.; Saravanan A.; Jaisankar S.;

  • 作者单位

    Vivekanandha Coll Technol Women Dept Mech Engn Tiruchengode 637205 Tamil Nadu India;

    Govt Coll Engn Dept Mech Engn Salem 636011 Tamil Nadu India;

    Aditya Engn Coll Dept Mech Engn Surampalem 533437 Andhra Pradesh India;

    Star Lion Coll Engn & Technol Dept Mech Engn Thanjavur 614206 Tamil Nadu India;

  • 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
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