District Heating Network Design and Configuration Optimization with Genetic Algorithm

Hongwei Li, Svend Svendsen

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    Abstract

    In this paper, the configuration of a district heating (DH) network which connects from the heating plant to the end users was optimized with emphasizing the network thermal performance. Each end user in the network represents a building block. The locations of the building blocks are fixed while the heating plant location is allowed to vary. The connection between the heat generation plant and the end users can be represented with mixed integer and the pipe friction and heat loss formulations are non-linear. In order to find the optimal DH distribution pipeline configuration, the genetic algorithm which handles the mixed integer nonlinear programming problem was chosen. The network configuration was represented through binary and integer encoding and was optimized in terms of the net present cost (NPC). The optimization results indicated that the optimal DH network configuration is determined by multi factors as the consumer heating load, the distance between the heating plant to the consumer, the design criteria regarding pressure and temperature limitation, as well as the corresponding network heat loss.
    Original languageEnglish
    Title of host publicationProceedings of the 6th Dubrovnik Conference on Sustainable Development of Energy Water and Environment System
    Publication date2011
    Publication statusPublished - 2011
    Event6th Dubrovnik Conference on Sustainable Development of Energy, Water and Environment Systems - Dubrovnik, Croatia
    Duration: 25 Sep 201129 Sep 2011

    Conference

    Conference6th Dubrovnik Conference on Sustainable Development of Energy, Water and Environment Systems
    Country/TerritoryCroatia
    CityDubrovnik
    Period25/09/201129/09/2011

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