Letter to the editor of renewable and sustainable energy reviews
Fig. 1. Entropy generation rate in a balanced counterflow heat exchanger with zero pressure drop irreversibility [2,3] Re: Comments on "Second law thermodynamic study of heat exchangers: A review" Renewable and Sustainable Energy Reviews 2014; 40: 348 374, by X.T. Cheng, Q. Chen and X.G. Liang Cheng et al. [1] published deliberately an untruth, which must be corrected. They began their letter with this assertion: