Document Type

Presentation

Rights

This item is available under a Creative Commons License for non-commercial use only

Disciplines

1.3 PHYSICAL SCIENCES, 2.3 MECHANICAL ENGINEERING, Thermodynamics

Publication Details

Submitted abstract and presented slides for JETC 2015, the 13th Joint European Thermodynamics Conference, ENSIC, Nancy, May 20–22, 2015

Abstract

Exergy analysis is based on the concept of an idealized, all-enclosing reference environment that has infinite heat capacity and thermal conductivity, and is in equilibrium. The actual surroundings of a real plant such as a heat engine, a heat pump or a refrigerator may differ significantly from the ideal. First law performance parameters and second law rational efficiency are examined. The concepts of finite time thermodynamics are applied in an attempt to refine the concept of T0, the environmental reference temperature, thereby making exergy analysis more reflective of reality.

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