Integration of the Experimental Results of a Parabolic Trough Collector (PTC) Solar Plant to an Absorption Air-Conditioning System

Applied Sciences

Ulises Dehesa Carrasco¹  Rosenberg Javier Romero Domínguez²  Yuridiana Rocio Galindo Luna³  José Camilo Jiménez García³  Wilfrido Rivera Gómez Franco³ 

[1] Catedrático CONACYT, Instituto Mexicano de Tecnología del Agua, Paseo Cuahunáhuac, C.P. 62580 Jiutepec, Morelos, Mexico;Centro de Ingeniería y Ciencias Aplicadas, Universidad Autónoma del Estado de Morelos, Av. Universidad no. 1001, C.P. 62209 Cuernavaca, Morelos, Mexico;Instituto de Energías Renovables, Universidad Nacional Autónoma de México, Privada Xochicalco S/N, Colonia Centro, C.P. 62580 Temixco, Morelos, Mexico;

关键词: parabolic trough collector;    absorption cooling system;    thermal efficiency;    useful heat;    ammonia-lithium nitrate;   

DOI  :  10.3390/app8112163

来源: DOAJ

【 摘 要 】

The present study reports the experimental results of a parabolic trough collector field and an absorption cooling system with a nominal capacity of 5 kW, which operates with the ammonia-lithium nitrate mixture. The parabolic trough collectors’ field consists of 15 collectors that are made of aluminum plate in the reflector surface and cooper in the absorber tube, with a total area of 38.4 m². The absorption cooling system consists of 5 plate heat exchangers working as the main components. Parametric analyses were carried out to evaluate the performance of both systems under different operating conditions, in independent way. The results showed that the solar collectors’ field can provide up to 6.5 kW of useful heat to the absorption cooling system at temperatures up to 105 °C with thermal efficiencies up to 19.8% and exergy efficiencies up to 14.93, while the cooling system operated at generation temperatures from 85–95 °C and condensation temperatures between 20 and 28 °C, achieving external coefficients of performance up to 0.56, cooling temperatures as low as 6 °C, and exergy efficiencies up to 0.13. The highest value for the solar coefficient of performance reached 0.07.

【 授权许可】

Unknown