Size considerations in applications of exergy analysis
by Marc A. Rosen
International Journal of Exergy (IJEX), Vol. 5, No. 3, 2008

Abstract: Considerations related to size of application of exergy analysis are examined. Six size categories are considered: sub-device, device, simple system, complex system, macro system, and planetary-scale system. The boundaries between categories are not sharp. It is concluded that many systems investigated with exergy analysis exhibit size-related trends regarding how exergy analysis is performed, and a size categorisation can identify how exergy analysis can most appropriately be applied. The results can help guide exergy users to the most suitable manner of application for a given system and are expected to improve the usability of exergy analysis and increase its application.

Online publication date: Fri, 02-May-2008

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