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Numerical Investigation on Thermal–Hydraulic Performance of a Printed Circuit Heat Exchanger for Liquid Air Energy Storage System.

Auteurs : LIU H., ZHANG Y., YU P., XUE J., ZHANG L., CHE D.

Type d'article : Article de périodique

Résumé

A printed circuit heat exchanger (PCHE) is utilized to cool the compressor inlet air to increase the compression efficiency in a liquid air energy storage and liquid natural gas (LNG) coupled system, which can offer large-scale energy storage with significantly improved exergy efficiency and round-trip efficiency. In this work, the effect of pressure of air, incline angle, and hydraulic diameter on the performance of a compressed air–water PCHE with a semicircle cross-section was studied. The results show that PCHE can realize the intermediate cooling of air compression in the liquid air energy storage system, and the pressure variation of air shows a limited effect on the heat transfer of PCHE; however, the hydraulic diameter and the incline angle both affect the heat transfer and the flow resistance of PCHE, and the best incline angle is 15°.

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Pages : 15 p.

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Détails

  • Titre original : Numerical Investigation on Thermal–Hydraulic Performance of a Printed Circuit Heat Exchanger for Liquid Air Energy Storage System.
  • Identifiant de la fiche : 30030429
  • Langues : Anglais
  • Sujet : Technologie
  • Source : Energies - 15 - 17
  • Éditeurs : MDPI
  • Date d'édition : 09/2022
  • DOI : http://dx.doi.org/10.3390/en15176347

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