Network simulation of low heat demand residential area

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    Abstract

    Energy consumption and heat demand in district heating systems will decrease in the future as low energy houses become more common and energy efficiency measures are implemented. The solutions for district heating to meet the challenges due to this trend are being studied. Simulation of three variations of a residential area with realistic load profiles for both heating and domestic hot water consumption was carried out. A low connection rate system and a low supply temperature variant were compared to a traditional design. Dedicated models were used in both building and network simulation. Results showed relative heat losses of 19.1 % for the low connection rate case. Low supply temperature variant resulted in 10 % lower heat losses than the reference case having relative heat losses of 10.6 %. All studied cases required a by-pass arrangement to maintain adequate temperature level for domestic hot water service outside heating season. This resulted in increased heat losses and in peaks in pressure drop. As in the future the operational environment is becoming more challenging for district heating, a need for comprehensive planning of whole systems taking into account all production, distribution and consumers will be more important than ever.
    Original languageEnglish
    Title of host publicationProceedings of the International Symposium on District Heating and Cooling
    Pages539 - 542
    Publication statusPublished - 2014
    MoE publication typeA4 Article in a conference publication
    Event14th International Symposium on District Heating and Cooling - Stockholm, Sweden
    Duration: 7 Sep 20149 Sep 2014

    Conference

    Conference14th International Symposium on District Heating and Cooling
    CountrySweden
    CityStockholm
    Period7/09/149/09/14

    Fingerprint

    Heat losses
    District heating
    Heating
    Temperature
    Pressure drop
    Energy efficiency
    Water
    Energy utilization
    Planning
    Hot Temperature

    Keywords

    • district heating
    • low heat demand
    • energy efficiency
    • buildings

    Cite this

    Rämä, M., Heikkinen, J., Klobut, K., & Laitinen, A. (2014). Network simulation of low heat demand residential area. In Proceedings of the International Symposium on District Heating and Cooling (pp. 539 - 542)
    Rämä, Miika ; Heikkinen, Jorma ; Klobut, Krzysztof ; Laitinen, Ari. / Network simulation of low heat demand residential area. Proceedings of the International Symposium on District Heating and Cooling. 2014. pp. 539 - 542
    @inproceedings{5d6954ea692e47f6851e3a915960d24b,
    title = "Network simulation of low heat demand residential area",
    abstract = "Energy consumption and heat demand in district heating systems will decrease in the future as low energy houses become more common and energy efficiency measures are implemented. The solutions for district heating to meet the challenges due to this trend are being studied. Simulation of three variations of a residential area with realistic load profiles for both heating and domestic hot water consumption was carried out. A low connection rate system and a low supply temperature variant were compared to a traditional design. Dedicated models were used in both building and network simulation. Results showed relative heat losses of 19.1 {\%} for the low connection rate case. Low supply temperature variant resulted in 10 {\%} lower heat losses than the reference case having relative heat losses of 10.6 {\%}. All studied cases required a by-pass arrangement to maintain adequate temperature level for domestic hot water service outside heating season. This resulted in increased heat losses and in peaks in pressure drop. As in the future the operational environment is becoming more challenging for district heating, a need for comprehensive planning of whole systems taking into account all production, distribution and consumers will be more important than ever.",
    keywords = "district heating, low heat demand, energy efficiency, buildings",
    author = "Miika R{\"a}m{\"a} and Jorma Heikkinen and Krzysztof Klobut and Ari Laitinen",
    note = "Project: 76879",
    year = "2014",
    language = "English",
    isbn = "978-91-85775-24-8",
    pages = "539 -- 542",
    booktitle = "Proceedings of the International Symposium on District Heating and Cooling",

    }

    Rämä, M, Heikkinen, J, Klobut, K & Laitinen, A 2014, Network simulation of low heat demand residential area. in Proceedings of the International Symposium on District Heating and Cooling. pp. 539 - 542, 14th International Symposium on District Heating and Cooling, Stockholm, Sweden, 7/09/14.

    Network simulation of low heat demand residential area. / Rämä, Miika; Heikkinen, Jorma; Klobut, Krzysztof; Laitinen, Ari.

    Proceedings of the International Symposium on District Heating and Cooling. 2014. p. 539 - 542.

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    TY - GEN

    T1 - Network simulation of low heat demand residential area

    AU - Rämä, Miika

    AU - Heikkinen, Jorma

    AU - Klobut, Krzysztof

    AU - Laitinen, Ari

    N1 - Project: 76879

    PY - 2014

    Y1 - 2014

    N2 - Energy consumption and heat demand in district heating systems will decrease in the future as low energy houses become more common and energy efficiency measures are implemented. The solutions for district heating to meet the challenges due to this trend are being studied. Simulation of three variations of a residential area with realistic load profiles for both heating and domestic hot water consumption was carried out. A low connection rate system and a low supply temperature variant were compared to a traditional design. Dedicated models were used in both building and network simulation. Results showed relative heat losses of 19.1 % for the low connection rate case. Low supply temperature variant resulted in 10 % lower heat losses than the reference case having relative heat losses of 10.6 %. All studied cases required a by-pass arrangement to maintain adequate temperature level for domestic hot water service outside heating season. This resulted in increased heat losses and in peaks in pressure drop. As in the future the operational environment is becoming more challenging for district heating, a need for comprehensive planning of whole systems taking into account all production, distribution and consumers will be more important than ever.

    AB - Energy consumption and heat demand in district heating systems will decrease in the future as low energy houses become more common and energy efficiency measures are implemented. The solutions for district heating to meet the challenges due to this trend are being studied. Simulation of three variations of a residential area with realistic load profiles for both heating and domestic hot water consumption was carried out. A low connection rate system and a low supply temperature variant were compared to a traditional design. Dedicated models were used in both building and network simulation. Results showed relative heat losses of 19.1 % for the low connection rate case. Low supply temperature variant resulted in 10 % lower heat losses than the reference case having relative heat losses of 10.6 %. All studied cases required a by-pass arrangement to maintain adequate temperature level for domestic hot water service outside heating season. This resulted in increased heat losses and in peaks in pressure drop. As in the future the operational environment is becoming more challenging for district heating, a need for comprehensive planning of whole systems taking into account all production, distribution and consumers will be more important than ever.

    KW - district heating

    KW - low heat demand

    KW - energy efficiency

    KW - buildings

    M3 - Conference article in proceedings

    SN - 978-91-85775-24-8

    SP - 539

    EP - 542

    BT - Proceedings of the International Symposium on District Heating and Cooling

    ER -

    Rämä M, Heikkinen J, Klobut K, Laitinen A. Network simulation of low heat demand residential area. In Proceedings of the International Symposium on District Heating and Cooling. 2014. p. 539 - 542