EFFECTS OF GEOMETRIC PARAMETERS ON ENTROPY GENERATION IN FIRE-TUBE STEAM BOILER’S HEAT EXCHANGER. Journal of Engineering Studies and Research, [S. l.], v. 21, n. 4, p. 35–44, 2015. DOI: 10.29081/jesr.v21i4.131. Disponível em: https://jesr.ub.ro/journal/article/view/131. Acesso em: 13 sep. 2025.