A New Simple Method for Estimating Exergy Destruction in Heat Exchangers
AbstractThis paper presents an abbreviated method for estimating exergy destruction in a heat exchanger, requiring only black-box data of the exchanger’s inputs and outputs, and eliminating part of the mathematical difficulties associated with the calculations. A well-known model for temperature distributions in an exchanger is adapted for this case, and is used to distinguish between the contributions of the three major causes of the total exergetic loss: heat transfer, fluid friction and energy dissipation to the surroundings. This provides insight into the relative importance of the three, allowing for identification of potential improvements to a given design.
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López Paniagua, I.; Rodríguez Martín, J.; González Fernandez, C.; Jiménez Alvaro, Á.; Nieto Carlier, R. A New Simple Method for Estimating Exergy Destruction in Heat Exchangers. Entropy 2013, 15, 474-489.
López Paniagua I, Rodríguez Martín J, González Fernandez C, Jiménez Alvaro Á, Nieto Carlier R. A New Simple Method for Estimating Exergy Destruction in Heat Exchangers. Entropy. 2013; 15(2):474-489.Chicago/Turabian Style
López Paniagua, Ignacio; Rodríguez Martín, Javier; González Fernandez, Celina; Jiménez Alvaro, Ángel; Nieto Carlier, Rafael. 2013. "A New Simple Method for Estimating Exergy Destruction in Heat Exchangers." Entropy 15, no. 2: 474-489.