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Economic optimal sizing of ORC in CHP applications

Steven Lecompte UGent, Henk Huisseune UGent, Sven De Schampheleire UGent and Michel De Paepe UGent (2012) 3rd International Conference : Low Temperature and Waste Heat Use in Communal and Industrial Energy Supply Systems, Abstracts. p.91-91
abstract
Combined heat and power (CHP) systems are able to increase the total energy use of primary energy sources. In the CHP system studied, internal combustion engines produce electricity and the hot engine cooling water is used for the heating of buildings. However, there is still waste heat left which can be fed to an organic Rankine cycle (ORC) to produce electricity. The objective of this study is to design an economic optimal ORC system taking into account the variable load for heating and the change in ambient temperature during a year. Also the auxiliary equipment such as pumps and fans are considered. A thermodynamic steady-state model is developed to simulate the changing behavior hour-by-hour of the complete system in different operating conditions. The ORC efficiency varies strongly over a year. The model allows selecting the optimal size of the heat exchangers (condenser and evaporator), the optimal mass flow rates and the maximal power of fans and pumps needed for the considered application.
Please use this url to cite or link to this publication:
author
organization
year
type
conference
publication status
published
subject
in
3rd International Conference : Low Temperature and Waste Heat Use in Communal and Industrial Energy Supply Systems, Abstracts
editor
JR Mayer
pages
91 - 91
publisher
University of Applied Sciences Bremen
place of publication
Bremen, Germany
conference name
3rd International Conference : Low Temperature and Waste Heat Use in Communal and Industrial Energy Supply Systems
conference location
Bremen, Germany
conference start
2012-10-25
conference end
2012-10-26
language
English
UGent publication?
yes
classification
C3
copyright statement
I have retained and own the full copyright for this publication
id
3047480
handle
http://hdl.handle.net/1854/LU-3047480
date created
2012-11-05 15:45:34
date last changed
2012-11-08 15:09:45
@inproceedings{3047480,
  abstract     = {Combined heat and power (CHP) systems are able to increase the total energy use of primary energy sources. In the CHP system studied, internal combustion engines produce electricity and the hot engine cooling water is used for the heating of buildings. However, there is still waste heat left which can be fed to an organic Rankine cycle (ORC) to produce electricity. The objective of this study is to design an economic optimal ORC system taking into account the variable load for heating and the change in ambient temperature during a year. Also the auxiliary equipment such as pumps and fans are considered. A thermodynamic steady-state model is developed to simulate the changing behavior hour-by-hour of the complete system in different operating conditions. The ORC efficiency varies strongly over a year. The model allows selecting the optimal size of the heat exchangers (condenser and evaporator), the optimal mass flow rates and the maximal power of fans and pumps needed for the considered application.},
  author       = {Lecompte, Steven and Huisseune, Henk and De Schampheleire, Sven and De Paepe, Michel},
  booktitle    = {3rd International Conference : Low Temperature and Waste Heat Use in Communal and Industrial Energy Supply Systems, Abstracts},
  editor       = {Mayer, JR},
  language     = {eng},
  location     = {Bremen, Germany},
  pages        = {91--91},
  publisher    = {University of Applied Sciences Bremen},
  title        = {Economic optimal sizing of ORC in CHP applications},
  year         = {2012},
}

Chicago
Lecompte, Steven, Henk Huisseune, Sven De Schampheleire, and Michel De Paepe. 2012. “Economic Optimal Sizing of ORC in CHP Applications.” In 3rd International Conference : Low Temperature and Waste Heat Use in Communal and Industrial Energy Supply Systems, Abstracts, ed. JR Mayer, 91–91. Bremen, Germany: University of Applied Sciences Bremen.
APA
Lecompte, S., Huisseune, H., De Schampheleire, S., & De Paepe, M. (2012). Economic optimal sizing of ORC in CHP applications. In J. Mayer (Ed.), 3rd International Conference : Low Temperature and Waste Heat Use in Communal and Industrial Energy Supply Systems, Abstracts (pp. 91–91). Presented at the 3rd International Conference : Low Temperature and Waste Heat Use in Communal and Industrial Energy Supply Systems, Bremen, Germany: University of Applied Sciences Bremen.
Vancouver
1.
Lecompte S, Huisseune H, De Schampheleire S, De Paepe M. Economic optimal sizing of ORC in CHP applications. In: Mayer J, editor. 3rd International Conference : Low Temperature and Waste Heat Use in Communal and Industrial Energy Supply Systems, Abstracts. Bremen, Germany: University of Applied Sciences Bremen; 2012. p. 91–91.
MLA
Lecompte, Steven, Henk Huisseune, Sven De Schampheleire, et al. “Economic Optimal Sizing of ORC in CHP Applications.” 3rd International Conference : Low Temperature and Waste Heat Use in Communal and Industrial Energy Supply Systems, Abstracts. Ed. JR Mayer. Bremen, Germany: University of Applied Sciences Bremen, 2012. 91–91. Print.