Enhancing energy efficiency in trapezoidal solar ponds: A synergistic approach utilizing east-west reflector and coal cinder – An energy analysis study

IF 1.2 4区工程技术 Q3 ENGINEERING, MECHANICAL Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy Pub Date : 2023-08-21 DOI:10.1177/09576509231197035

Vinoth Kumar Jayakumar, Amarkarthik Arunachalam

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Abstract

The realm of sustainable energy systems has seen the salt gradient solar pond (SGSP) emerge as an eco-friendly solution for thermal energy storage. This research explores the use of an East-West (EW) reflector and coal cinder additive (CC) to enhance the energy efficiency of the inner zones of a salt gradient trapezoidal solar pond (SGTSP). In this work, SGTSP with EW and CC systems were designed, fabricated, and analyzed based on an energy point of view and compared with standard SGTSP systems. It also provides a shading area analysis based on the slant angle of the SGSP system, offering valuable insights into the system’s performance for low-grade heat source thermal applications. The study found that the EW reflector significantly increased the average solar intensity by 33.2%. The addition of coal cinder additive raised the average temperature of the lower convection zone by 24.1%. The SGTSP with EW reflector and coal cinder (SGTSP-EWR&CC) reached a maximum average temperature of 83.85°C, with a 42% higher energy efficiency in the lower convection zone compared to the conventional SGTSP (SGTSP-C). Further, the SGTSP’s potential for thermal energy storage and providing practical strategies for enhancing its energy efficiency is showcased.

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提高梯形太阳能池的能源效率:利用东西反射镜和煤渣的协同方法-能源分析研究

在可持续能源系统领域，盐梯度太阳能池(SGSP)作为一种环保的热能储存解决方案出现了。本研究探讨了使用东西向(EW)反射器和煤渣添加剂(CC)来提高盐梯度梯形太阳能池(SGTSP)内部区域的能源效率。本文从能量的角度出发，设计、制造和分析了具有EW和CC系统的SGTSP，并与标准SGTSP系统进行了比较。它还提供了基于SGSP系统倾斜角的遮阳区域分析，为低等级热源热应用的系统性能提供了有价值的见解。研究发现，电子束反射器显著提高了平均太阳强度33.2%。煤渣添加剂的加入使下对流区平均温度提高了24.1%。带EW反射面和煤渣的SGTSP (SGTSP- ewr&cc)最高平均温度达到83.85℃，较常规SGTSP (SGTSP-C)低对流区能量效率提高42%。此外，还展示了SGTSP在热能储存方面的潜力，并为提高其能源效率提供了实用的策略。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 工程技术-工程：机械

CiteScore

3.30

自引率

5.90%

发文量

114

审稿时长

5.4 months

期刊介绍： The Journal of Power and Energy, Part A of the Proceedings of the Institution of Mechanical Engineers, is dedicated to publishing peer-reviewed papers of high scientific quality on all aspects of the technology of energy conversion systems.