Simulation of energy storage unit in existence of sinusoidal obstacles considering nanomaterial. (April 2023)

• Record Type: Journal Article
• Authors: Qin, Li; Naouari, Raja; Elamin, Abd Elmotaleb A.M.A.; Moniem, Ashraf A.; Salman, M.A.; Nofal, T.A.
• Is Part Of: Journal of energy storage. Volume 60(2023)
• Publication Date: 2023-04
• Subjects: Sinusoidal cylinder -- Charging process -- Air conditioning -- Nanomaterial -- Finite volume approach; Energy storage -- Periodicals; Energy storage -- Research -- Periodicals; 621.3126
• DOI: 10.1016/j.est.2022.106585
• Languages: English
• ISSNs: 2352-152X

Abstract

Abstract: To attain a unit for air conditioning in a building with less entropy generation and high thermal performance, a present system has been introduced in which cylinders of paraffin have been utilized. The problem of pure-paraffin is low conductivity and it can be improved with adding nanoparticles. For attaining the features of nanomaterial, single phase – based formulation have been implemented. The types of paraffin and nano-powders are RT25 and TiO2 . In outputs, the components of irreversibility and distribution of solid fraction and temperature have been described. The efficacy of temperature and speed of air flow, distance of cylinders and fraction of additive have been examined. Both irreversibility and thermal productivity of the unit have been scrutinized. The higher temperature of air leads to the conversion of paraffin to liquid. Augmenting the fraction of additives may boost the melting rate around 6.79 %. With augment of "b", the charging time alters from 17, 888 s to 11, 479 s. With elevation of inlet speed and temperature, melting rate enhances. Highlights: To attain a building with less irreversibility, present configuration was offered. The types of paraffin and nano-powders are RT25 and TiO2 . Augmenting the fraction of additives may boost the melting rate around 6.79 %. With augment of "b", the charging time alters from 17, 888 s to 11, 479 s.