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在吸收管内使用部分金属泡的抛物线低谷集体的性能分析:一项实验性研究

Zeinab Esmaeili¹, Mohammad Sadegh Valipour², Saman Rashidi¹

¹Department of Energy, Faculty of New Science and Technologies, Semnan University, Semnan, Iran.

Environmental science and pollution research international

|July 17, 2023

概括

将金属泡添加到抛物线槽收集器 (PTC) 中,可提高高达14%的热效率. 定期泡排列提供了最佳性能,尽管它们增加了摩擦因子.

科学领域:

可再生能源工程可再生能源工程
材料科学材料科学材料科学
热传递热量转移的方法

背景情况:

抛物线底层收集器 (PTC) 是一个关键的太阳能热技术.
在PTC中增强热传递对于效率至关重要.
金属泡为传热增强提供高导热率.

研究的目的:

实验性地研究金属泡对PTC热力和水力动力性能的影响.
为了评估PTC吸收管内的不同金属泡安排.
为了确定最佳的金属泡配置以提高热效率.

主要方法:

试验分析了一种具有三个不同的金属泡布局的抛物线集器.
在各种雷诺兹数 (4221689) 上测试层状流量模式.
使用设计专家软件和响应表面方法进行实验设计.

主要成果:

金属泡的周期阵列排列导致了最高的热效率提升,达到14%.
与普通接收管相比,这种安排显著增加了摩擦因子.
所有测试的金属泡配置都在一定程度上提高了热性能.

结论:

金属泡,特别是在周期阵列中,有效地提高了抛物线谷集热器的热效率.
必须考虑热增强和增加摩擦因子之间的权衡.
进一步的研究可以优化金属泡设计,以提高PTC性能.

关键词:

摩擦因子是一个摩擦因子.热传递是一种热传递.抛物线 trough 收集器收集器孔的介质孔的介质热性能热性能热性能

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