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Exergy analysis for stationary flow systems with several heat exchange temperatures

Abstract

A thermodynamic theory of exergy analysis for a stationary flow system having several heat inputs and outputs at different temperature levels is presented. As a new result a relevant reference temperature of the surroundings is derived for each case. Also a general formula which combines exergy analysis with a modified Carnot efficiency is derived. The results are illustrated by numerical examples for mechanical multi-circuit heat pump cycles, for a Brayton process and for an absorption heat pump. (Author)
Authors:
Lampinen, M J; Heikkinen, M A [1] 
  1. Helsinki Univ. of Technology, Espoo (Finland). Dept. of Energy Engineering
Publication Date:
Jul 01, 1995
Product Type:
Journal Article
Reference Number:
SCA: 661300; PA: GB-95:051484; EDB-95:151634; SN: 95001450665
Resource Relation:
Journal Name: International Journal of Energy Research; Journal Volume: 19; Journal Issue: 5; Other Information: PBD: Jul 1995
Subject:
66 PHYSICS; HEAT EXCHANGERS; ENERGY ANALYSIS; EXERGY; EFFICIENCY; THERMODYNAMICS; CARNOT CYCLE; BRAYTON CYCLE; HEAT PUMPS; HEAT FLUX
OSTI ID:
122113
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: IJERDN; ISSN 0363-907X; TRN: GB9551484
Submitting Site:
GB
Size:
pp. 407-418
Announcement Date:
Nov 24, 1995

Citation Formats

Lampinen, M J, and Heikkinen, M A. Exergy analysis for stationary flow systems with several heat exchange temperatures. United Kingdom: N. p., 1995. Web. doi:10.1002/er.4440190506.
Lampinen, M J, & Heikkinen, M A. Exergy analysis for stationary flow systems with several heat exchange temperatures. United Kingdom. https://doi.org/10.1002/er.4440190506
Lampinen, M J, and Heikkinen, M A. 1995. "Exergy analysis for stationary flow systems with several heat exchange temperatures." United Kingdom. https://doi.org/10.1002/er.4440190506.
@misc{etde_122113,
title = {Exergy analysis for stationary flow systems with several heat exchange temperatures}
author = {Lampinen, M J, and Heikkinen, M A}
abstractNote = {A thermodynamic theory of exergy analysis for a stationary flow system having several heat inputs and outputs at different temperature levels is presented. As a new result a relevant reference temperature of the surroundings is derived for each case. Also a general formula which combines exergy analysis with a modified Carnot efficiency is derived. The results are illustrated by numerical examples for mechanical multi-circuit heat pump cycles, for a Brayton process and for an absorption heat pump. (Author)}
doi = {10.1002/er.4440190506}
journal = []
issue = {5}
volume = {19}
journal type = {AC}
place = {United Kingdom}
year = {1995}
month = {Jul}
}