Imperial College London
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DrJianSong

Faculty of Engineering, Department of Chemical Engineering

Honorary Research Fellow
 
 
 
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Contact

 

jian.song

 
 
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Location

 

B432ABCACE ExtensionSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@inproceedings{Song:2020,
author = {Song, J and Li, X and Ren, X and Tian, H and Shu, G and Markides, C},
publisher = {ECOS},
title = {Supercritical CO2-cycle configurations for internal combustion engine waste-heat recovery: A comparative techno-economic investigation},
url = {http://hdl.handle.net/10044/1/80766},
year = {2020}
}
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RIS format (EndNote, RefMan)

TY  - CPAPER
AB  - Supercritical-CO2(S-CO2) cycle systems have appeared as  an attractive option for  waste-heat recovery from internal combustion engines(ICEs) thanks to the advantages offered by CO2as a working fluid, which is nontoxic and non-flammable, and does not suffer decomposition at high temperatures. Since the high density of CO2in the supercritical region enables compact component design, various S-CO2cycle systemconfigurations have been  presented  involving  different  layouts  and  combinations  of  heat  exchangers  with  which  to  enhance  heat recovery from both engine exhaust gases and jacket waterstreams. Despite the thermodynamicperformance improvement  offered  by  more  complex  configurations,  the  additional  heat  exchangers  bring  extra  costs  and therefore key thermo-economic decisions need to be considered carefully during the design and development of suchsystems. This paper seeks to conduct both thermodynamic and economic (cost) assessments of a variety of S-CO2cycle system configurationsin ICE waste-heat recovery applications, with results indicating that in some cases a significant thermodynamic performance improvement can compensate the extra costs associated with a morecomplex system structure. The comparison results across a range ofICEs can also be a valuable guide for the early-stage S-CO2cycle system design in ICE waste-heat recovery andother similar applications.
AU  - Song,J
AU  - Li,X
AU  - Ren,X
AU  - Tian,H
AU  - Shu,G
AU  - Markides,C
PB  - ECOS
PY  - 2020///
TI  - Supercritical CO2-cycle configurations for internal combustion engine waste-heat recovery: A comparative techno-economic investigation
UR  - http://hdl.handle.net/10044/1/80766
ER  -
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