Determinación de los coeficientes globales de transferencia de calor comparando los métodos DTML y ε-NUT / Determination of the overall heat transfer coefficients comparing the LMTD and ε-NTU methods Journal title: Ingeniería Energética Authors: Andres Adrian Sánchez Escalona, Ever Góngora Leyva Subject(s): Electrical and Electronic Engineering, Engineering, Energy