Environomic multi-objective optimisation of a district heating network considering centralized and decentralized heat pumps

Concern for the environment has been steadily growing in recent years, and it is becoming more common to include environmental impact and pollution costs in the design problem along with construction, investment and operating costs. To economically respond to the global environmental problems ahead,...

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Bibliographic Details
Published in:Energy (Oxford) 2010-02, Vol.35 (2), p.751-758
Main Authors: Molyneaux, A., Leyland, G., Favrat, D.
Format: Article
Language:English
Subjects:
Applied sciences
Cogeneration
Decentralized
Design engineering
District heating
District heating and refrigerating
Economic data
Economics
Energy
Energy economics
Energy. Thermal use of fuels
Exact sciences and technology
General, economic and professional studies
Heat pump
Heat pumps
Heating, air conditioning and ventilation
Methodology. Modelling
Miscellaneous
Multi-objective optimisation
Networks
Optimization
Space heating. Hot water
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Summary:Concern for the environment has been steadily growing in recent years, and it is becoming more common to include environmental impact and pollution costs in the design problem along with construction, investment and operating costs. To economically respond to the global environmental problems ahead, progress must be made both on more sustainable technologies and on the design methodology, which needs to adopt a more holistic approach. Heat pumps and, in particular systems integrating heat pumps and cogeneration units, offer a significant potential for greenhouse gas reduction. This paper illustrates the application of a multi-objective and multi-modal evolutionary algorithm to facilitate the design and planning of a district heating network based on a combination of centralized and decentralized heat pumps combined with on-site cogeneration. Comparisons are made with an earlier study based on a single objective environomic optimisation of the same overall model.
ISSN:0360-5442
DOI:10.1016/j.energy.2009.09.028