Heat Transfer Performance of Underground U-Type Heat Exchanger: A CFD Model-Based Analysis. International Journal of Mechanical Engineering Research and Technology , [S. l.], v. 6, n. 2, p. 1–11, 2014. Disponível em: https://ijmert.com/index.php/ijmert/article/view/26. Acesso em: 13 oct. 2026.