Numerical analysis and multi-objective optimization design of parabolic trough receiver with ribbed absorber tube

Parabolic trough collector (PTC) is the most cost-effective and mature concentrated solar power (CSP) technology for solar thermal utilization. However, the highly concentrated solar irradiation on the bottom of the absorber tube causes high local temperature, thermal stress and deformation, further...

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Autores principales:	Peng Liu, Jiafeng Wu, Lingen Chen, Zhichun Liu, Wei Liu
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Ribbed absorber tube Artificial neural network Genetic algorithm Longitudinal vortexes Overall efficiency Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/d64a9e88c2304fc388709a76aba1e078
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spelling	oai:doaj.org-article:d64a9e88c2304fc388709a76aba1e0782021-11-18T04:50:04ZNumerical analysis and multi-objective optimization design of parabolic trough receiver with ribbed absorber tube2352-484710.1016/j.egyr.2021.10.084https://doaj.org/article/d64a9e88c2304fc388709a76aba1e0782021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2352484721010994https://doaj.org/toc/2352-4847Parabolic trough collector (PTC) is the most cost-effective and mature concentrated solar power (CSP) technology for solar thermal utilization. However, the highly concentrated solar irradiation on the bottom of the absorber tube causes high local temperature, thermal stress and deformation, further leading to damage and performance degradation of PTC. In order to alleviate the above problem, a novel parabolic trough receiver (PTR) with ribbed absorber tube is proposed to improve the thermo-mechanical performance of PTC Moreover, the multi-objective optimization is employed to determine the optimal parameter combinations (slant angle (β), size (e), pitch (p), and number of the ribs (N)) of ribbed absorber tube coupled with 3D numerical simulation and the genetic algorithm (GA). Based on the TOPSIS method and performance evaluation criteria (PEC) value, the ribbed absorber tube with the optimal geometric parameters of β=15°, N=6, e=4.5mm and p=20mm is selected in the Pareto Front as the suggested optimal design. Furthermore, the performance of the PTRs at different inlet temperature of the fluid (Tin=400–600K), direct normal irradiance (DNI=300–1000 W/m2) and mass flow rate (M=0.62–3.72kg/s) are evaluated. It is found that the ribbed absorber tube can effectively disturb the fluid near the boundary and induce longitudinal vortexes flow, which results in significant improvement in heat transfer between fluid and absorber tube, thereby enhancing the performance of the PTC. Compared to the plain tube, the heat transfer and flow resistance of the optimal ribbed absorber are enhanced by 57%–225% and 222%–630%, and the heat loss is lessened by up to 79.3%, resulting in 2.3% and 2.2% improvement in the heat collecting efficiency and overall efficiency. The findings in this paper may provide practical guidelines for developing efficient PTC.Peng LiuJiafeng WuLingen ChenZhichun LiuWei LiuElsevierarticleRibbed absorber tubeArtificial neural networkGenetic algorithmLongitudinal vortexesOverall efficiencyElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENEnergy Reports, Vol 7, Iss , Pp 7488-7503 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ribbed absorber tube Artificial neural network Genetic algorithm Longitudinal vortexes Overall efficiency Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Ribbed absorber tube Artificial neural network Genetic algorithm Longitudinal vortexes Overall efficiency Electrical engineering. Electronics. Nuclear engineering TK1-9971 Peng Liu Jiafeng Wu Lingen Chen Zhichun Liu Wei Liu Numerical analysis and multi-objective optimization design of parabolic trough receiver with ribbed absorber tube
description	Parabolic trough collector (PTC) is the most cost-effective and mature concentrated solar power (CSP) technology for solar thermal utilization. However, the highly concentrated solar irradiation on the bottom of the absorber tube causes high local temperature, thermal stress and deformation, further leading to damage and performance degradation of PTC. In order to alleviate the above problem, a novel parabolic trough receiver (PTR) with ribbed absorber tube is proposed to improve the thermo-mechanical performance of PTC Moreover, the multi-objective optimization is employed to determine the optimal parameter combinations (slant angle (β), size (e), pitch (p), and number of the ribs (N)) of ribbed absorber tube coupled with 3D numerical simulation and the genetic algorithm (GA). Based on the TOPSIS method and performance evaluation criteria (PEC) value, the ribbed absorber tube with the optimal geometric parameters of β=15°, N=6, e=4.5mm and p=20mm is selected in the Pareto Front as the suggested optimal design. Furthermore, the performance of the PTRs at different inlet temperature of the fluid (Tin=400–600K), direct normal irradiance (DNI=300–1000 W/m2) and mass flow rate (M=0.62–3.72kg/s) are evaluated. It is found that the ribbed absorber tube can effectively disturb the fluid near the boundary and induce longitudinal vortexes flow, which results in significant improvement in heat transfer between fluid and absorber tube, thereby enhancing the performance of the PTC. Compared to the plain tube, the heat transfer and flow resistance of the optimal ribbed absorber are enhanced by 57%–225% and 222%–630%, and the heat loss is lessened by up to 79.3%, resulting in 2.3% and 2.2% improvement in the heat collecting efficiency and overall efficiency. The findings in this paper may provide practical guidelines for developing efficient PTC.
format	article
author	Peng Liu Jiafeng Wu Lingen Chen Zhichun Liu Wei Liu
author_facet	Peng Liu Jiafeng Wu Lingen Chen Zhichun Liu Wei Liu
author_sort	Peng Liu
title	Numerical analysis and multi-objective optimization design of parabolic trough receiver with ribbed absorber tube
title_short	Numerical analysis and multi-objective optimization design of parabolic trough receiver with ribbed absorber tube
title_full	Numerical analysis and multi-objective optimization design of parabolic trough receiver with ribbed absorber tube
title_fullStr	Numerical analysis and multi-objective optimization design of parabolic trough receiver with ribbed absorber tube
title_full_unstemmed	Numerical analysis and multi-objective optimization design of parabolic trough receiver with ribbed absorber tube
title_sort	numerical analysis and multi-objective optimization design of parabolic trough receiver with ribbed absorber tube
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/d64a9e88c2304fc388709a76aba1e078
work_keys_str_mv	AT pengliu numericalanalysisandmultiobjectiveoptimizationdesignofparabolictroughreceiverwithribbedabsorbertube AT jiafengwu numericalanalysisandmultiobjectiveoptimizationdesignofparabolictroughreceiverwithribbedabsorbertube AT lingenchen numericalanalysisandmultiobjectiveoptimizationdesignofparabolictroughreceiverwithribbedabsorbertube AT zhichunliu numericalanalysisandmultiobjectiveoptimizationdesignofparabolictroughreceiverwithribbedabsorbertube AT weiliu numericalanalysisandmultiobjectiveoptimizationdesignofparabolictroughreceiverwithribbedabsorbertube
_version_	1718425005798195200

Numerical analysis and multi-objective optimization design of parabolic trough receiver with ribbed absorber tube

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