EFFECT OF PRANDTL NUMBER AND DIAMETER RATIO ON LAMINAR NATURAL CONVECTION FROM ISOTHERMAL HORIZONTAL CYLINDRICAL ANNULI. Diyala Journal of Engineering Sciences , [S. l.], v. 9, n. 1, p. 39–54, 2016. DOI: 10.24237/djes.2016.09104. Disponível em: https://djes.info/index.php/djes/article/view/284. Acesso em: 7 dec. 2025.