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抛物面盘太阳能收集器 finned 太阳能接收器的实验性能和经济分析

Senthil Kumar Vishnu¹, Ramalingam Senthil¹

¹Department of Mechanical Engineering, SRM Institute of Science and Technology, Kattankulathur, Chennai 603203, India.

|November 29, 2023

概括

本研究介绍了一种具有的低成本太阳能接收器,可以改善集中太阳能发电系统的传热和热效率. 创新的设计提高了性能,并降低了蒸汽发电的成本.

科学领域:

可再生能源工程可再生能源工程
热力学是一种热力学.
热传递热量转移的方法

背景情况:

太阳能接收器对于将太阳辐射转化为热在集中式太阳能发电 (CSP) 系统中至关重要.
在高温下最大限度地减少热损失是提高抛物线盘采集器热性能和成本效益的关键.
现有的空腔接收器面临着制造挑战和更高的成本,需要创新的设计来更好地吸收太阳能并减少热损失.

研究的目的:

实验性研究一个具有成本效益的太阳能接收器设计,其中包含来增强热传输.
评估使用水作为传热液的 finned 太阳能接收器的热性能和热经济可行性.
为太阳能行业提供有利的改进太阳能接收器设计.

主要方法:

制造一个具有集成的成本效益的太阳能接收器.
接收器的实验测试用三种流速的水:0.097,0.125和0.152公斤/秒.
分析热传输,热效率,能量和能量效率,热损耗和成本指标 (电力平衡成本,净现值,回报期).

主要成果:

带的接收器设计增加了流体停留时间,并通过增加流增加了热传输.
平均能量和能量效率分别达到67.81%和8.93%,流速为0.152公斤/秒.
在最高流速下,热损耗减少到3776.2W,成本指标显示电力的平衡成本为0.21美元/千瓦时,回报期为3.38年.

结论:

与其他设计相比,拟议的 finned 太阳能接收器设计提供了最佳的热经济性能和较低的蒸汽发电初始投资.
集成的翅膀有效地增强热传输和减少热损失,从而提高热效率.
这种具有成本效益的设计为太阳能行业提供了宝贵的贡献,以提高太阳能集热器的性能.

关键词:

经济分析经济分析能源和功率效率的效率.芬兰人芬兰人一个抛物线盘盘.太阳能是太阳能中的一种.太阳能接收器太阳能接收器

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