Sizing, selection, and comparison of heat exchangers considering the lowest saving-investment ratio corresponding to the area at the tag end of the heat exchanger

Ismail Teke, Özden Ağra, Hakan Demir and Ş. Özgür Atayılmaz

Energy, 2014, vol. 78, issue C, 114-121

Abstract: A new method has been developed to determine the area of waste heat recovery heat exchangers considering the lowest saving-investment ratio corresponding to the area at the tag end of the heat exchanger. Applying this method to any existing heat exchanger, the saving-investment ratio performance considering the area at the tag end of the heat exchanger can also be determined and compared with its optimum value having the same technical and economical parameters. In this study, the distributions of saving-investment ratio in heat exchangers have been obtained based on known technical and economical parameters and NTU (Number of Transfer Units) as d(TYO) = E/Eopt, where Eopt is investment saving potential ratio at optimum, E is local investment-saving potential ratio and dimensionless, which is suggested as “Teke Number” and it is derivatives of effectiveness according to NTU.

Keywords: Effectiveness; NTU; Heat exchangers; Economical; Optimization (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:78:y:2014:i:c:p:114-121

DOI: 10.1016/j.energy.2014.08.035

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