Investigate the Heat Exchanger Efficiency of Hydraulic Liquid by using the Beta Test Loop. Tikrit Journal of Engineering Sciences, [S. l.], v. 24, n. 1, p. 96–100, 2017. DOI: 10.25130/tjes.24.1.10. Disponível em: https://tj-es.com/ojs/index.php/tjes/article/view/217.. Acesso em: 9 sep. 2026.