Numerical simulation for freezing of NEPCM within container in existence of fins Mahmoud M. Selim, Y. A. Rothan, Awad Mousa and Abed Saif Alghawli Eur. Phys. J. Plus, 137 9 (2022) 1080 Published online: 24 September 2022 DOI: 10.1140/epjp/s13360-022-03250-0