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Cogeneration is one of the current solutions for the use of secondary thermal resources consisting in the simultaneous supply of electric and thermal energy. The main advantage of cogeneration is the use of thermal energy discharged from industrial installations. The type of installation under consideration has the following advantages: it covers an extended range of electric power, simultaneously provides electricity and thermal energy in hard-to-reach areas, and reduces the thermal impact by upgrading the therma...

Exergy analysis is a tool, which indicates how far the system departs from the state of equilibrium. Exergy has been implemented as a preferred means of characterizing the impacts of resource consumption for the purpose of improving decision-making. The present study realizes an energy and exergy analysis for a heat exchanger in operation for a district heating system. Exergy balances of a heat exchanger were therefore established to identify the thermodynamic imperfections of the process using real data. They are...