SALEH MAHDI, Qasim; ABDUL FATTAH , Sahar; MAHDI JASIM , Osama. Experimental and Numerical Investigation to Enhance the Performance of Helical Coiled Tube Heat Exchanger by Using Turbulators. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 18, n. 6, p. 1–16, 2014. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/872.. Acesso em: 4 jun. 2026.