Heat Transfer Coefficients Analysis in a Helical Double-Pipe Evaporator: Nusselt Number Correlations through Artificial Neural Networks. - Arianna Parrales-Bahena; J. Alfredo Hernández-Pérez; Oliver Flores; Horacio Hernandez; José Francisco Gómez-Aguilar; Ricardo Fabricio Escobar-Jiménez; Armando Huicochea (Entropy, 2019)