Imperial College London
Alternate

ProfessorChristosMarkides

Faculty of Engineering, Department of Chemical Engineering

Professor of Clean Energy Technologies
 
 
 
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Contact

 

+44 (0)20 7594 1601c.markides Website

 
 
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Location

 

404ACE ExtensionSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Le:2020:10.1016/j.apenergy.2020.115260,
author = {Le, Brun N and Simpson, M and Acha, S and Shah, N and Markides, CN},
doi = {10.1016/j.apenergy.2020.115260},
journal = {Applied Energy},
pages = {1--14},
title = {Techno-economic potential of low-temperature, jacket-water heat recovery from stationary internal combustion engines with organic Rankine cycles: A cross-sector food-retail study},
url = {http://dx.doi.org/10.1016/j.apenergy.2020.115260},
volume = {274},
year = {2020}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - We examine the opportunities and challenges of deploying integrated organic Rankine cycle (ORC) engines to recover heat from low-temperature jacket-water cooling circuits of small-scale gas-fired internal combustion engines (ICEs), for the supply of combined heat and power (CHP) to supermarkets. Based on data for commercially-available ICE and ORC engines, a techno-economic model is developed and applied to simulate system performance in real buildings. Under current market trends and for the specific (low-temperature) ICE + ORC CHP configuration investigated here, results show that the ICE determines most economic savings, while the ORC engine does not significantly impact the integrated CHP system performance. The ORC engines have long payback times (4–9 years) in this application, because: (1) they do not displace high-value electricity, as the value of exporting electricity to the grid is low, and (2) it is more profitable to use the heat from the ICEs for space heating rather than for electricity conversion. Commercial ORC engines are most viable (payback ≈ 4 years) in buildings with high electrical demands and low heat-to-power ratios. The influence of factors such as the ORC engine efficiency, capital cost and energy prices is also evaluated, highlighting performance gaps and identifying promising areas for future research.
AU  - Le,Brun N
AU  - Simpson,M
AU  - Acha,S
AU  - Shah,N
AU  - Markides,CN
DO  - 10.1016/j.apenergy.2020.115260
EP  - 14
PY  - 2020///
SN  - 0306-2619
SP  - 1
TI  - Techno-economic potential of low-temperature, jacket-water heat recovery from stationary internal combustion engines with organic Rankine cycles: A cross-sector food-retail study
T2  - Applied Energy
UR  - http://dx.doi.org/10.1016/j.apenergy.2020.115260
UR  - https://www.sciencedirect.com/science/article/pii/S0306261920307728?via%3Dihub
UR  - http://hdl.handle.net/10044/1/80312
VL  - 274
ER  -
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