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Performance Analysis of a District Heating System

Author

Listed:
  • Andrej Ljubenko

    (Faculty of Mechanical Engineering, University of Ljubljana, Ljubljana 1000, Slovenia)

  • Alojz Poredoš

    (Faculty of Mechanical Engineering, University of Ljubljana, Ljubljana 1000, Slovenia)

  • Tatiana Morosuk

    (Institute for Energy Engineering, Technische Universität Berlin, Berlin 10587, Germany)

  • George Tsatsaronis

    (Institute for Energy Engineering, Technische Universität Berlin, Berlin 10587, Germany)

Abstract

Lowering the exergy content of heat required for heating purposes decreases the primary energy consumption. District heating systems are often an important link between facilities that generate heat with low exergy content and consumers. Exergetic efficiency of heat distribution is an important performance criterion in heat supply to consumers. It can serve as a criterion for optimization, towards a more sustainable distribution-network design and operation. This paper presents a methodology for an exergy-based distribution-network analysis in a district heating system. Criteria for performance evaluations are defined. They can be used to evaluate heat supply to different points in the network, or individual system components. A case study is performed on an existing district heating system. Energetic and exergetic efficiencies of supply lines are analyzed. Exergy destructions and exergy losses are studied. Large differences in efficiency of heat supply to different points in the network are discovered. Over-dimensioned parameters of the distribution network are investigated.

Suggested Citation

  • Andrej Ljubenko & Alojz Poredoš & Tatiana Morosuk & George Tsatsaronis, 2013. "Performance Analysis of a District Heating System," Energies, MDPI, vol. 6(3), pages 1-16, March.
    • Handle: RePEc:gam:jeners:v:6:y:2013:i:3:p:1298-1313:d:23973
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    References listed on IDEAS

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    Cited by:

    1. Danhong Wang & Jan Carmeliet & Kristina Orehounig, 2021. "Design and Assessment of District Heating Systems with Solar Thermal Prosumers and Thermal Storage," Energies, MDPI, vol. 14(4), pages 1-27, February.
    2. Volkova, Anna & Krupenski, Igor & Ledvanov, Aleksandr & Hlebnikov, Aleksandr & Lepiksaar, Kertu & Latõšov, Eduard & Mašatin, Vladislav, 2020. "Energy cascade connection of a low-temperature district heating network to the return line of a high-temperature district heating network," Energy, Elsevier, vol. 198(C).
    3. Kevin Sartor, 2017. "Simulation Models to Size and Retrofit District Heating Systems," Energies, MDPI, vol. 10(12), pages 1-14, December.
    4. Sartor, K. & Dewalef, P., 2017. "Experimental validation of heat transport modelling in district heating networks," Energy, Elsevier, vol. 137(C), pages 961-968.
    5. Huseyin Gunhan Ozcan & Arif Hepbasli & Aysegul Abusoglu & Amjad Anvari-Moghaddam, 2021. "Advanced Exergy Analysis of Waste-Based District Heating Options through Case Studies," Energies, MDPI, vol. 14(16), pages 1-21, August.
    6. Erica Corradi & Mosè Rossi & Alice Mugnini & Anam Nadeem & Gabriele Comodi & Alessia Arteconi & Danilo Salvi, 2021. "Energy, Environmental, and Economic Analyses of a District Heating (DH) Network from Both Thermal Plant and End-Users’ Prospective: An Italian Case Study," Energies, MDPI, vol. 14(22), pages 1-25, November.

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