@article{article239,
  title = {Numerical analyses on the prediction of nusselt numbers for upward and downward flows of water in a smooth pipe: effects of buoyancy and property variations},
  author = {Dalkilic, A. and Çebi, A. and Celen, A.},
  journal = {Journal of Thermal Engineering},
  year = {2019},
  volume = {5},
  pages = {166-180},
  doi = {}
}