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Energies 2017, 10(12), 2027; https://doi.org/10.3390/en10122027

Simulation Models to Size and Retrofit District Heating Systems

Thermodynamics Laboratory, University of Liège, 4420 Liège, Belgium
Received: 30 October 2017 / Revised: 24 November 2017 / Accepted: 28 November 2017 / Published: 1 December 2017
(This article belongs to the Section Energy Fundamentals and Conversion)
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Abstract

District heating networks are considered as convenient systems to supply heat to consumers while reducing CO 2 emissions and increasing renewable energies use. However, to make them as profitable as possible, they have to be developed, operated and sized carefully. In order to cope with these objectives, simulation tools are required to analyze several configuration schemes and control methods. Indeed, the most common problems are heat losses, the electric pump consumption and the peak heat demand while ensuring the comfort of the users. In this contribution, a dynamic simulation model of all the components of the network is described. It is dedicated to assess some energetic, environmental and economic indicators. Finally, the methodology is used on an existing application test case namely the district heating network of the University of Liège to study the pump control and minimize the district heating network heat losses. View Full-Text
Keywords: district heating network; dynamic modeling; CHP plant; modelica district heating network; dynamic modeling; CHP plant; modelica
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Sartor, K. Simulation Models to Size and Retrofit District Heating Systems. Energies 2017, 10, 2027.

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