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Titolo:
EXERGETIC OPTIMIZATION OF A HEAT-EXCHANGER
Autore:
CORNELISSEN RL; HIRS GG;
Indirizzi:
UNIV TWENTE,DEPT MECH ENGN,CHAIR ENERGY TECHNOL,POB 217 NL-7500 AE ENSCHEDE NETHERLANDS
Titolo Testata:
Energy conversion and management
fascicolo: 15-17, volume: 38, anno: 1997,
pagine: 1567 - 1576
SICI:
0196-8904(1997)38:15-17<1567:EOOAH>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Keywords:
HEAT EXCHANGERS; EXERGY ANALYSIS; LIFE CYCLE ANALYSIS; THERMODYNAMIC OPTIMIZATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
19
Recensione:
Indirizzi per estratti:
Citazione:
R.L. Cornelissen e G.G. Hirs, "EXERGETIC OPTIMIZATION OF A HEAT-EXCHANGER", Energy conversion and management, 38(15-17), 1997, pp. 1567-1576

Abstract

The objective of this paper is to show that for the optimal design ofan energy system, where there is a trade-off between exergy saving during operation and exergy use during construction of the energy system, exergy analysis and life cycle analysis should be combined. The two methods are often used separately, but a limited number of studies hasbeen carried out in which they are combined in some way. An exergeticoptimisation of a heat exchanger has been carried out on the basis ofthe life cycle analysis method in this paper. The optimisation takes into account irreversibilities due to frictional pressure drops and the temperature difference between the hot and cold stream and irreversibilities due to the production of the materials and the construction of the heat exchanger. As an example of this type of heat exchanger, a water to water heat exchanger in a city heating system has been selected. The influence of the configuration of the heating system, including the energy conversion, on the optimisation of the heat exchangers has been shown. The analysis of the heat exchanger in which exergy analysis and life cycle analysis are combined gives the design conditions of the heat exchangers which lead to the lowest life cycle irreversibility. (C) 1997 Elsevier Science Ltd.

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Documento generato il 07/07/20 alle ore 13:32:16